IT Planning Manager (PMO) at Toss | Seoul

Role Overview The IT Planning Manager (PMO) at Toss joins the IT Planning Team under the CTO in Seoul. This role shapes strategic direction and leads execution to support reliable IT operations across the company. What You Will Do Work closely with a team of four to develop and implement innovative IT planning approaches. Translate business strategies and objectives into actionable IT resource, project, policy, and budget plans. Establish guidelines, decision-making structures, and control systems to keep IT activities aligned with company strategy. Ensure IT operations are effective, legally compliant, and ethically managed. Team & Collaboration This position requires close collaboration with the current IT Planning Team. The team values fresh perspectives and strategic thinking to create new standards in IT planning at Toss.

Join our dynamic Risk Management Team at Toss, where we are committed to establishing and operating an effective risk management framework. We analyze enterprise risks stemming from merchant operations, financial dealings, and credit risks, developing strategic responses to potential threats.In this role, you will proactively identify and assess various risks faced by our company and merchants, implementing management strategies to navigate these challenges. Furthermore, you will establish preventative measures to mitigate potential risks before they materialize.As part of your responsibilities, you will discover and monitor rules to detect credit risks associated with merchants and advertisers (e.g., defaults, delays). You will develop and implement risk management strategies to identify, evaluate, and mitigate overall merchant risks. You’ll analyze and manage the merchant portfolio, focusing on financial, operational, and regulatory risks.Additionally, you will enhance internal policies to align with the requirements of regulatory bodies and payment institutions. In the event of payment incidents or issues, you will be expected to contribute to strategic decision-making and response planning.

Join Toss Payments as a Marketing Manager and play a pivotal role in shaping our marketing strategies. You will collaborate with cross-functional teams to design and implement comprehensive marketing campaigns aimed at expanding our market presence. Your creativity and analytical skills will drive innovative solutions that resonate with our target audience.

About the Team You'll Join The Compliance Manager at Toss Securities is an integral part of the Compliance Division, specifically within the Compliance Team. This team is responsible for establishing and operating internal control systems essential for the development of Toss Securities' innovative products and services, as well as conducting pre-reviews to prevent legal risks. Team members collaborate and share their expertise based on their individual specializations to achieve common objectives. Your Responsibilities Upon Joining [Business Compliance Advisory] Analyze relevant regulations at the time of launching new services and design practical alternatives to mitigate risks. Provide compliance reviews in close communication with operational departments (Tribe/Silo). [Internal Control Inspections] Identify tasks requiring internal control inspections and establish inspection policies and measures. Enhance internal control checklists by department and improve the inspection process. When issues are detected during inspections and monitoring, derive corrective measures and communicate them to operational departments for follow-up. We Want to Work With Someone Who Has a minimum of 3 years of experience in compliance monitoring or legal affairs in a securities firm. Possesses practical knowledge of core business logic in the securities industry (e.g., brokerage, advisory/management services). Has experience in establishing diverse inspection and monitoring policies related to internal controls based on a strong understanding of retail services and mobile business. Exhibits excellent communication skills for collaboration with operational departments. It Would Be Great If You Also Have Experience collaborating with product teams. A strong understanding of control logic for various financial products. Knowledge in other internal control areas such as AML, consumer protection, and personal credit information. Experience dealing with regulatory bodies, such as responding to inspections by the Korea Exchange. Resume Submission Tips Clearly outline your actual monitoring, inspection, and improvement measures performed by task. If you have experience in establishing various inspection and monitoring policies related to internal controls based on a strong understanding of retail services and mobile business, please detail that. Describe experiences where you presented alternatives instead of a simple 'No' when faced with unreasonable demands from operational departments. If you have examples of process improvements that not only strengthened internal controls but also created value, please provide details of the improvements and their impacts. Your Journey to Joining Toss Securities Application Submission > Job Interview > Cultural Fit Interview > Reference Check > Compensation Discussion > Final Offer and Onboarding Please Note Employment may be rescinded if false information is found in your resume or if disciplinary actions during your employment history are confirmed. Employment may also be rescinded for candidates who fall under prohibited hiring categories or have disqualifying factors as per Toss Securities' internal regulations.

# Introducing Toss Payments Toss Payments is dedicated to innovating the electronic payment market, providing merchants with comprehensive solutions from technology to operations, while offering consumers a seamless and user-friendly payment experience. Visit our introduction page: https://introducetosspayments.oopy.io/ # About the Team You'll Join The Account Manager role is part of the Key Account Growth Team within the Toss Payments Sales Tribe. This team is responsible for sales and partnerships related to Toss Payments' electronic payment services, focusing on existing clients, partners, and international payment companies. We aim to grow Toss Payments' business by introducing core payment products, discovering and expanding partnership channels, and enhancing integration of international payment products. # Your Role and Responsibilities Lead, manage, and take responsibility for the entire sales process, including introduction, negotiation, and onboarding of core payment products for existing clients. Engage directly with key decision-makers, from operational staff to executives, during the sales process, driving proposals and decision-making for payment product integration. # Who We Want to Join Us 5+ years of experience in cross-selling and upselling to large and small clients, preferably in a payment gateway (PG) company. Strong problem-definition skills to address various challenges that arise during the client sales process, coupled with flexible thinking to find solutions. Ability to comprehend and clearly explain complex products, policies, and processes. Proven persuasive communication skills, with a history of successful negotiations with clients and internal stakeholders. Experience in technology-based B2B sales is a plus, but not mandatory. # Application Tips Detail your experiences leading client sales and the quantifiable results achieved during that process. If you have experience creating proposals and negotiating with clients, please elaborate on those experiences. # Journey to Join Toss Payments Application submission > Job interview > Cultural fit interview > Reference check > Offer negotiation > Final acceptance and onboarding. A Message for Future Colleagues “Finding growth opportunities through sales and achieving significant success through negotiation and problem-solving is incredibly rewarding.” Having transitioned from a global company to Toss Payments, I now have the autonomy to define my sales deals and tackle challenges without waiting for approvals. If you're looking to find growth opportunities through sales and create significant successes through negotiation and problem-solving, apply for the Account Manager position now!

About the Team You’ll JoinThe Product Excellence team is dedicated to enhancing the operational efficiency of Toss Securities' Product Chapter, enabling a faster and more capable organization.We design and refine the enterprise operation system (Product Excellence Framework) to ensure that diverse functions such as product planning, engineering, design, product operations, and marketing can plan, execute, and manage projects in a consistent manner.As the Product Excellence Manager (PMO), you will play a pivotal role as a 'meta leader', establishing standards for project operation systems, collaboration structures, and risk management processes, helping the organization to move more swiftly.Your ResponsibilitiesYou will develop and enhance the enterprise project operation system, which includes:1) Standardizing project progression methods (workflow, approval processes, deliverable templates, etc.)2) Establishing and continuously improving management processes for schedules, lists, and decision-making3) Systematizing project prioritization and operation methods across the enterpriseYou will manage enterprise projects and enhance execution capabilities, including:1) Overseeing schedules, risks, and decision-making for cross-functional projects (e.g., internal system transitions, new service launches)2) Identifying bottlenecks between teams and resolving structural issues that hinder execution3) Reporting project status, risks, and insights to stakeholdersYou will serve as a collaboration and communication hub, including:1) Connecting the Product Team with various organizations such as consumer protection, legal, risk, and IT infrastructure to align goals, schedules, and collaboration criteria2) Designing communication structures for projects involving multiple stakeholders3) Establishing alignment systems to bridge gaps between organizational goals (OKR) and executionYou will manage the quality of processes across the product organization, including:1) Ensuring that projects are executed consistently with company strategies2) Reflecting quality requirements from regulatory, risk, and audit perspectives into the operational system3) Designing a data-driven project performance measurement system (defining KPIs, performance analysis, retrospectives, etc.)You will enhance onboarding and execution capabilities for Product Owners (PO), including:1) Running onboarding programs for new POs2) Defining frameworks for 'how to create products' and providing practical execution guides (e.g., using tools like Tuba)3) Spreading operational best practices across the organization and strengthening the learning structureIdeal Candidate ProfileYou should possess the capability to systematically manage project schedules, resource sizes, risks, and priorities.You should be adept at coordinating diverse stakeholders from various organizations and fostering collaboration under clear criteria.You should be able to structure complex problems and translate them into actionable operating systems.Experience in managing large-scale or cross-functional organizational projects is essential.Experience in process improvement, enhancing organizational execution, and Project Management Office operations is required.Enjoying fast-paced environments and having an interest in transforming uncertainty into opportunities is a plus.Resume RecommendationsDescribe your experience with large-scale project management.

About the Team You'll Join* As a Cloud Engineer (Cloud Platform Development) at Toss, you will be part of the Cloud Engineering Team, responsible for addressing and resolving issues within the Toss service infrastructure through a Cloud Native approach.* Joining this position means becoming a vital member of the Cloud Engineering Team.* Our goal is to optimize the infrastructure for Toss team members, ensuring a resilient system capable of handling large-scale traffic and preparing for potential failures.Your Responsibilities* Beyond utilizing cloud services, you will design, operate, and enhance them directly.* Analyze the infrastructure from a Cloud Engineer's perspective, providing solutions based on Kubernetes and OpenStack.* Implement features for performance optimization and operational automation of virtual infrastructure.* Develop monitoring, metering, and alerting systems to support the stability and efficiency of services at the virtual infrastructure level.* Adapt and improve open-source software for an in-house environment.* Build technical trust in cloud adoption and provide training and guidance to development and operations teams for seamless cloud utilization.We Want to Work With Someone Who* Is proficient in at least one programming language: Python, Golang, or C.* Understands REST APIs and database transactions.* Has knowledge and experience with OS, network, and storage technologies.* Is passionate about learning new technologies and actively applying them in operational environments.* Has a deep understanding of key OpenStack components such as Nova, Neutron, Cinder, Keystone, and experience in performance optimization.* Has experience in service operation and deployment using Kubernetes.A Note for Potential Colleagues"You will have the opportunity to experience cloud platform serving based on the latest trends of CI/CD and TDD."* Our team does not just 'write code.' We lead from problem recognition to infrastructure architecting, allowing you to experience the entire process of feature development, operation, and deployment automation. We constantly experiment with and apply new technologies, aiming for the highest level of operational automation and testing environments.* If you want to experience everything about cloud-native, discover a new career as an infrastructure developer, or are eager to learn more about infrastructure technology, we welcome you!

# Join Our Dynamic Team- As a Research Assistant, you will be part of the Strategy Team.- Our Strategy Team is dedicated to providing strategic insights that empower each of Toss's various services to grow like a startup, leading the implementation of these strategies.- You will identify growth levers and discover impactful action items to propel our services, aiming to transform them into new engines of growth for Toss.- Our team comprises members from top-tier strategy consulting firms and leading tech companies. # Your Responsibilities- Collaborate with team members to support strategic planning for Toss services.- Conduct thorough research and analysis on domestic and international fintech and related industries to provide information for product strategy and growth opportunities.- Gather and organize data from Toss services and external research institutions to assist in business modeling within the team. # Ideal Candidate- We are looking for someone with a quick learning ability who can conduct research on diverse topics.- Experience in investment banking, consulting, or private equity/venture capital internships is preferred.- Additional experience in strategy consulting internships or research related to B2C mobile services would be a plus. # Important Information- This is a contract position with a duration of 3 months from the date of hire.- Applications are reviewed on a rolling basis, and candidates who pass the initial screening will be notified about interview arrangements. # The Application Journey at Toss- Application submission > Job interview (mini case study) > Final acceptance- Recruitment is ongoing (until positions are filled).- The mini case study will focus on topics related to actual business operations at Toss.- In some cases, tasks such as Excel tests or research assignments may also be included; further details will be provided to candidates who pass the document screening.- Candidates with disabilities or those eligible for national veterans' benefits will receive preferential consideration according to relevant laws.

Join Our TeamThe Strategy Manager position at Toss Securities is part of the Strategy Division within the Strategy & Ops Team.This role involves setting goals (mission/vision, business strategy, company OKRs) from a company-wide perspective, collaborating with various teams including Product, Data Analytics, Business Development, and Finance.Your ResponsibilitiesIdentify and monitor domestic and international market opportunities to drive exponential business growth.Establish mid- to long-term strategies and business plans to convert market opportunities into business value, while collaborating with team leaders and Product Owners to prioritize strategic initiatives.Act as the key point of contact for C-level executives and team leaders, providing insights necessary for company-wide business decisions.Continuously identify corporate agendas for business improvements across all areas including product, operations, and pricing policy; facilitate project execution in collaboration with relevant teams when necessary.Review monthly/quarterly business performance, deriving insights and sharing them across the organization to enhance overall understanding of business performance.Who We Are Looking ForExperience in independent thinking based on first principles and in-depth research using various case studies to propose strategic directions and create impact.Strong analytical thinking and communication skills to distill core insights from complex problems and deliver them effectively.Proven experience in using data to accurately assess the current state of products and derive strategies for improvements and growth.Ability to draw insights from competitor and benchmark data through industry, business, and financial analysis skills.Flexibility to adapt to dynamic business environments and effectively engage in cross-functional work by understanding the needs of the field.Experience or understanding in planning and executing strategies in adjacent areas and new growth businesses that expand the scope of traditional securities, including digital assets, global content platforms, social-based services, and B2B investment infrastructure.Experience in formulating strategies for entering overseas markets, establishing local partnerships, reviewing regulatory environments, and executing localization is preferred, along with a strong willingness to learn about related fields.Journey to Join Toss SecuritiesApplication submission > Job interview > Cultural fit interview > Reference check > Compensation negotiation > Final acceptance and onboardingPlease NoteIf any false information is found in the resume or if any disciplinary matters are confirmed during employment history, recruitment may be canceled.Recruitment may also be canceled for those who fall under prohibited hiring categories or have disqualifying reasons according to Toss Securities regulations.Individuals with disabilities and those eligible for national veterans' benefits are given preference in accordance with relevant laws.A Note for Future ColleaguesWe are looking for bold dreamers and courageous individuals who are eager to grow and contribute to the transformation of Toss Securities as our Guiding Light: “To go where no one has gone before, faster than anyone else.”

Join our dynamic Tech Excellence Team as a Technical Program Manager (TPM), where your role transcends traditional project management. In this pivotal position, you will design a robust operational framework that empowers our technical organization to enhance its capabilities independently while addressing critical blockers that hinder progress. You will act as a builder who aligns business and technology, strengthens execution across teams, and provides essential support for tech leadership.Unlike a Technical Product Owner (TPO), who focuses on specific product success within silos, the TPM operates across the organization, crafting structures to resolve the most significant challenges. You will coordinate with a broader set of stakeholders to create substantial impacts while collaborating closely with the Head of Tech as a strategic partner, particularly in resolving diverse technical challenges.

Join Our Team The Industrial Designer at Toss collaborates with external developers and the Device Team, forming a vital part of our Industrial Design team. Our Industrial Design team is dedicated to innovating products in the emerging offline payment industry. You will work closely with Product Designers, QC Managers, Operations Managers, and other colleagues to successfully launch top-tier payment devices. What You'll Be Doing Designing payment devices and various physical products for Toss Place. Establishing and enhancing a user-friendly and consistent product design identity. Conceptualizing suitable forms and usability for products, bringing them to life. Who We’re Looking For A comprehensive experience in product design through to mass production is essential. Understanding of manufacturing processes, including basic principles of mold design and mechanical engineering, is required. Proficiency in 3D tools and rendering software is a must. Experience with solid modeling software like NX, CATIA, or CREO is a plus. Ability to present logical reasoning behind design choices to persuade colleagues is essential. You should be proactive in setting goals and delivering results. Portfolio Submission Tips Please include a portfolio that effectively showcases your design solutions and considerations for manufacturability. Important Note We require a portfolio for the Industrial Designer position. Your Journey to Joining Toss Place Application Submission > Job Interview > Cultural Fit Interview > Reference Check > Compensation Discussion > Final Offer & Onboarding

About Toss Care and the Role Toss Care operates the Toss Ium Childcare Center in Seoul, serving the families of Toss team members. Opened in March 2026, the center aims to provide children with meaningful educational experiences in a safe, respectful setting. The team values early childhood education expertise and seeks to build a supportive community among parents, staff, and the company. What You Will Do Deliver educational activities that respect each child's developmental needs and individuality. Support Toss staff by understanding the company culture and helping parents focus on their work and feel confident in their parenting. Document and share daily activities, helping to foster a culture that values children's lives and play. Who We’re Looking For Valid childcare teacher certification (or expected by February 2026). Available to work as an assistant teacher from 11 AM to 8 PM. Commitment to early childhood education and respect for children's rights. Openness to change and a flexible approach to teaching. Strong communication skills for building positive relationships with parents and colleagues. Experience with the Reggio Emilia approach is a plus. How to Apply Describe your motivation for joining Toss Childcare Center. Share examples of planning and running educational activities or programs, or propose new initiatives you would like to implement. Include stories where you solved problems or built trust through collaboration. If you have documentation experience, attach 1-2 examples of your records. Additional Details No fixed application deadline; the position will close when filled. Applications are reviewed in order of receipt. Selected candidates will be contacted for interviews. Work location: Toss Ium Childcare Center, near Shin-nonhyeon Station, Seoul. Initial contract: one year, with possible extension or conversion to a permanent role based on performance. Compensation details are shared with candidates who complete all interview stages, based on internal criteria. Hiring Process Application submission Phone interview Role-specific interview Cultural fit interview Pre-employment health check Final offer and onboarding

Join Toss Securities as an HR Operations Manager! The HR Operations Manager will oversee the entire employee lifecycle from recruitment to departure, actively engaging in data organization, systematization, and enhancements at each stage. More than just an administrative role, you will design and maintain the HR operational structure. By analyzing compensation data and developing HR service platforms, you'll lead responses to regulatory bodies such as the Financial Supervisory Service and the Korea Financial Investment Association. As our organization scales rapidly from 500 to 2,000 employees, you will proactively identify challenges and build operational infrastructure to support business growth. About the Team You'll Join: The HR Operations Manager is part of the People Solution Partner Team within the People & Culture Division. You will collaborate closely with HR Business Partners, Regional Business Partners, and HR Consultants, while also communicating effectively with legal, finance, and compliance departments. Your responsibilities will include managing Workday-based HRIS operations, internal controls, and executive governance. Your Future Responsibilities: Understand the complete flow of HR operations from hiring to resignation, meticulously organizing and systematizing data, and continuously improving operational structures. Manage HR budgets, vendor contracts, and follow-up operations post-restructuring to ensure HR operations reliably support business growth. Maintain data integrity across HR systems like Workday, while identifying points for automation to enhance HR service platform efficiency. Accurately analyze compensation adjustments, manage HR dashboard data, and monitor working hours to provide insightful HR data analytics. Lead compliance with regulatory submissions to bodies like the Financial Supervisory Service and the Financial Services Commission. Oversee executive governance operations, including appointments, removals, board reporting, and electronic disclosures. We’re Looking for Candidates Who: Have over 3 years of practical experience in HR operations and are detail-oriented with a passion for organization and structure. Capable of running established processes reliably while also identifying areas for improvement, valuing both timelines and accuracy. Possess a mindset for efficiency and have experience in enhancing existing processes. Have strong data literacy skills to analyze HR data and are adaptable with automation tools, having explored new tools to improve work processes. Preferred Experiences: Experience in HR operations within financial regulatory industries such as securities firms, banks, or fintech is a plus. Experience managing SaaS-based HR systems like Workday is highly desirable. Application Process at Toss Securities: Application Submission > Job Interview > Cultural Fit Interview > Reference Check > Offer Negotiation > Final Acceptance and Onboarding Important Notes: Any discrepancies found in resumes or submitted documents, or verified disciplinary actions during employment history may result in cancellation of the application. Candidates who fall under hiring prohibitions or disqualifications as per Toss Securities regulations may have their applications revoked. Persons with disabilities and national veterans are given preference as per relevant laws during the application process. A Note to Future Colleagues: We are excited about the potential of working together and contributing to a thriving workplace culture.

Join Our Audit Team Our audit team plays a crucial role in identifying and enhancing enterprise risks. We assess internal control systems and collaborate with various departments to drive tangible improvements. Guided by our motto, “Audit proactively like a vaccine, and protect as a shield until the end,” we approach our auditing tasks with a commitment to identify risks early and take responsibility for outcomes. As the regulatory environment in the securities industry becomes increasingly complex with the launch of new products, proactive risk assessments and collaboration with colleagues are vital to ensuring comprehensive control integrity across the business. Your Responsibilities Conduct in-depth audits related to regulatory compliance frameworks and internal control design following new license acquisitions (consulting/trading). Lead reviews of regulatory compliance and control appropriateness throughout the entire process of new product and service launches (including planning, development, and operations). Analyze the Financial Supervisory Service's sanctions database and financial consumer protection issues to incorporate them into audit items, deriving proactive prevention measures. Provide expertise and review monitoring rules developed in collaboration with RegTech specialists from the perspective of securities regulations and product controls. Manage the quality of regulatory and product-related documentation during inspections by supervisory agencies, supporting effective responses. We Are Looking For A candidate with over 10 years of experience in compliance, auditing, or risk management within financial investment companies or related organizations. A deep understanding of core securities regulations, including the Capital Markets Act, Financial Consumer Protection Act, and investor protection regulations, along with strong interpretive skills. Experience in reviewing regulatory compliance or control design/operations for new financial products or services throughout their entire launch process. Ability to diplomatically mediate conflicts with audit target departments and provide logical feedback centered on improvement rather than criticism. Experience participating in the development of RegTech or data-driven regulatory monitoring systems, providing regulatory/business perspective expertise is a plus. Possession of professional auditing certifications (CISA, CIA, etc.) or legal/accounting qualifications related to regulation is an advantage. Resume Tips Detail specific cases where you identified proactive regulatory risks during new license acquisition or product launch processes and led them to substantial control improvements, focusing on applicable laws and control items. If you have worked with IT specialists such as RegTech/DA auditors to incorporate regulatory control elements into IT systems or designed data monitoring rules, please emphasize this experience. Highlight your role and key achievements in preparing materials related to regulatory interpretation and product processes if you have experience responding to supervisory agency inspections. Emphasize fact-based examples of logical mediation and consensus-building among stakeholders (business departments) during internal control improvement processes. Application Process at Toss Securities Application submission > Job interview > Cultural fit interview > Reference check > Compensation negotiation > Final acceptance and onboarding A phone interview may be conducted if necessary. Please Note Any false information found in the resume or disciplinary records during employment history may lead to cancellation of the recruitment process. Individuals who are prohibited from hiring according to Toss Securities' internal regulations or have disqualifying reasons may have their applications canceled. Individuals with disabilities and those eligible for national veterans' benefits are given preference in accordance with relevant laws. A Message for Future Colleagues The audit team at Toss Securities aims not just to point out issues but to drive substantial improvements and proactive risk responses, fostering a culture of continuous enhancement.

Join Our Data Platform Team!As a Data Engineer at Toss, you will be part of our Data Platform Team.The team consists of Data Engineers and Data Analytics Engineers.We are responsible for building platforms and data pipelines essential for analyzing the services provided by Toss.Your ResponsibilitiesDevelop and operate OLAP (Online Analytical Processing) based data pipelines.Design and optimize systems for reliable operation of large-scale data analysis and real-time/batch data pipelines.Develop and manage batch and streaming pipelines to load various types of data generated at Toss.Continuously improve data models and processing logic based on service requirements.We Are Looking For Candidates Who HaveExperience operating services in a Kubernetes (K8s) based environment.Experience in designing and operating data streaming pipelines using Kafka and Kafka Connect.Experience in processing large volumes of data using Apache Spark (Batch/Structured Streaming).Additional Skills That Would Be a PlusExperience in operating and tuning MPP/OLAP engines like StarRocks or ClickHouse.Experience in building Data Lakehouses using Open Table Formats such as Apache Iceberg, Hudi, or Delta Lake.Experience in real-time data processing using streaming frameworks like Kafka Streams or Apache Flink.Experience in designing and operating ETL pipelines based on Airflow.Your Journey to Join TossApplication Submission > Job Interview > Cultural Fit Interview > Reference Check > Compensation Negotiation > Final Offer

Team Overview The Business Analyst role sits within the Sales Operations & Enablement Team at Toss in Seoul. This group focuses on supporting ongoing revenue growth and identifying new growth drivers for the company. What You Will Do Use tools like Tableau, Power BI, and Looker to build clear reports and dashboards that turn sales data into business insights. Transform and process large sales datasets from the Toss community using SQL and other data tools, making them ready for analysis. Integrate and manage data from multiple sales systems within the organization. Track sales trends and KPIs, identify business challenges, and suggest solutions based on thorough analysis. What We Look For More than 3 years of experience building sales-related dashboards, with a strong understanding of sales processes. Ability to combine and analyze large, complex datasets to find actionable insights. Experience with data visualization tools such as Tableau and Grafana is a strong plus. Resume Tips List projects handled over several months, regardless of size. Include your role and the outcomes. Sharing a portfolio of systems you have implemented will strengthen your application.

Join Our Team! The Network Engineering team is tasked with establishing Toss Securities' network and security systems, along with managing data center operations. We collaborate with exceptional team members from diverse sectors including finance, commerce, portals, and gaming. Our goal is to support product focus by ensuring infrastructure capable of handling large-scale traffic and driving automation for quicker product releases. Your Responsibilities: Install and maintain Toss Securities' network and security devices, conducting regular status checks and resolving operational issues. Register and manage asset information for network and security devices (serial numbers, status, locations, etc.). Document work logs and change history for installation, migration, and decommissioning tasks. Oversee and enhance Toss Securities' network monitoring solutions. Provide rapid onsite response and first-level troubleshooting during incidents. Plan and support schedules for regular inspections of network and security devices. Be available for night or weekend maintenance when necessary. Manage cable connections for servers and storage, supervising cable installation by contractors. Who We Are Looking For: At least 5 years of experience in network technical support and field engineering. Understanding of network cabling standards and wiring practices is essential. Ability to respond effectively to incidents and perform basic network troubleshooting. Experience in collaborating with maintenance vendors and managing inspection documentation. Operational experience with major network equipment like Cisco and Arista is required; experience with Citrix NetScaler is a plus. Familiarity with security devices such as firewalls and VPNs, alongside a strong understanding of network security is preferred. Application Recommendations: In your resume, highlight a memorable case of technical problem-solving (optimization, bug fixing, etc.). Detail projects you've contributed to, including duration, roles, technology stack used, and improvements made. Your Journey with Toss Securities: Application submission > Job interview > Cultural fit interview > Final acceptance and onboarding. Please Note: This position is a contract role with a duration of one year. Any discrepancies in the resume or disciplinary records may result in cancellation of employment. Applicants subject to hiring restrictions or disqualifications as per Toss Securities' policies may have their applications canceled. Applicants with disabilities or veterans will receive preferential treatment in accordance with relevant laws. A Note for Future Colleagues: “At Toss Securities, you can experience both the constraints of a financial infrastructure and the trendy mobile services of an IT company!” The financial infrastructure in South Korea can be quite restrictive, limiting the breadth of experiences. However, at Toss Securities, you have the responsibility and authority to implement solutions that benefit the business, allowing for valuable experiences without being bound by irrelevant solutions dictated from above.

Join Our Dynamic Team!The Server Developer (Product) role is part of Toss's innovative Silo team, comprising 6-8 diverse professionals, including product owners, designers, developers, and data analysts, collaborating like a startup with autonomy.As our user base grows, we have dedicated server developers ensuring stable operations. Unlike silo teams focusing on rapid experimentation, this role supports a variety of services across Toss.Your Responsibilities Include:Designing and developing the Product server used daily by countless Toss customers.Offering over 50 services since the inception of our convenient remittance service in 2015, including financial status checks, pedometers, and fortune quizzes.Utilizing trendy technologies to ensure services run smoothly while listening to user feedback to quickly and flexibly resolve issues.We Are Looking For Individuals Who:Have experience designing and operating high-availability, scalable systems.Possess a background in developing systems that handle large-scale real-time traffic.Have faced challenges and resolved issues during system failures.Are passionate about their services and approach their work with a sense of ownership.Enjoy sharing insights and ideas gained from service development and are eager for ongoing technical challenges.Services You Will Contribute To:Loans: Create services that allow users to easily compare and apply for various loans, expanding offerings such as personal loans, mortgage loans, and card loans to ensure Toss is top of mind.Marketplace: Develop essential services for users, like card benefit comparisons, investments, and auto insurance.Payments: Work on Toss's convenient payment system, TossPay, handling everything from online and offline payments to new payment method development and promotional activities.Commerce: Enhance Toss's commerce services to create value for both users and sellers, including group purchases and admin services for sellers.Benefits: Develop innovative services in the app tech space, including pedometers, live shopping, luck lotteries, and collaborative point-earning activities.Ads: Expand Toss's advertising business by reliably serving high-traffic products and developing integrations for ad networks.Home: Create services for the homepage that first engages Toss users, analyzing assets, income, and spending patterns while connecting them to relevant Toss services.

#LI-DNIAbout the Team You'll JoinThe Android Developers at Toss are embedded within a matrix structure, collaborating across silos and within the Android chapter.At Toss, services and products are developed within silo units consisting of 6-8 diverse roles, fostering an autonomous startup-like environment.In addition to silos, there are teams focused on developing shared modules within the Android codebase, engaging in deep technical discussions.Every Thursday, the Android chapter members gather for Engineering Day outside of silos, encouraging active knowledge exchange, technical discussions, and collaborative code reviews.As an Android Developer at Toss, you will have the opportunity to propose and implement new technologies alongside talented peers.Your ResponsibilitiesDevelop all Android app services for Toss, including remittance, account inquiries, credit checks, and Toss Card.Create innovative financial services such as Toss Bank and Toss Securities.Experience rapid iterations, releasing new features weekly to over ten million users.Utilize Toss's unique design system, TDS (Toss Design System), to complete UI in just one minute, allowing you to focus solely on core logic.We’re Looking For Someone WhoHas experience in developing commercial services.Is proficient in Kotlin development.Possesses a strong understanding of Android UI/UX guidelines.Resume RecommendationsShare experiences where you took initiative and responsibility for product quality and stability, continuously improving them.Highlight experiences where you immersed yourself in understanding technology and domain to add value to customers’ lives.If you aim for optimized interface design based on a deep understanding of Android and mobile in general, you are a great fit.Technologies We UseKotlinRxJava, Kotlin CoroutinesView System, Jetpack ComposeTDS (Toss Design System)Model-View-WhateverYour Journey to Joining TossApplication Submission > Pre-Task Assessment > Job Interview

Join Our Security Team! The security team at Toss Securities is composed of dedicated professionals, including a CISO, Security Engineers, Security Researchers, Information Security Managers, and Privacy Managers. We are committed to creating secure services, receiving robust support from the entire organization, and collaborating effectively across all departments. Our team members, with diverse experience ranging from 1 to 20 years, primarily come from backgrounds in information security firms and corporate security roles. We actively share knowledge and collaborate to achieve common goals. To ensure the safe operation of our securities services, we conduct vulnerability assessments across various fields such as applications, cloud, infrastructure, and network. We are also developing automated testing systems using DAST, SAST, and IAST tools to enhance our testing framework. Your Responsibilities: Collaborate with relevant departments from the service planning stage to perform security reviews and provide guidelines for safe service implementation. Conduct vulnerability assessments on Toss Securities' internal and external services (WTS, MTS, operational systems, etc.), analyze results, and suggest improvements. Perform infrastructure vulnerability assessments as required by electronic financial regulations and domestic/international security certifications (Public/Private Cloud, Server, DBMS, Network, etc.). Execute scenario-based internal/external penetration tests and conduct preliminary checks to prevent internal information leaks. Who We're Looking For: Individuals with over 7 years of experience in vulnerability assessments. Experience in operating or conducting assessments with infrastructure vulnerability assessment tools. Experience in developing tools or automation programs for vulnerability assessments. Ability to perform REST API vulnerability assessments based on an understanding of MSA environments. Experience in security audits identifying vulnerabilities such as IDOR in Java or Kotlin source code. Experience in assessing application vulnerabilities in Android or iOS environments. Understanding of electronic financial services and securities systems is a plus. Experience or understanding of Attack Surface Management is a bonus. Application Tips: Include any services or programs you've developed or participated in, specifying the language, role, deployment status, and operational environment. Detail specific vulnerabilities identified through SAST, DAST, Image Scanning, Secret Scanning, and your corrective actions (company/service names can be anonymized). Explain how you assessed and responded to actual security incidents or potential risks, such as secret exposure or high-risk image vulnerabilities. Share challenges and solutions encountered during security assessment automation or policy application processes. Hiring Process at Toss Securities: Application submission > Job interview > Cultural fit interview > Reference check > Salary negotiation > Final acceptance and onboarding. Additional Information: Providing false information in your resume or discovering disciplinary actions in your employment history may lead to termination of the recruitment process.