Frontend Developer At Toss Payments Seoul jobs in Seoul – Browse 1,178 openings on RoboApply Jobs

Frontend Developer At Toss Payments Seoul jobs in Seoul

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companyToss Payments logo
Full-time|On-site|Seoul

Welcome to Toss PaymentsToss Payments is committed to understanding the challenges and inefficiencies businesses face, aiming to provide comprehensive solutions across technology and operations. Our goal is to deliver a seamless and convenient service experience for consumers while creating an environment where merchants can focus solely on their business.We work under the principle of 'innovating the electronic payment market', fostering a culture of mutual trust and collaboration. We are looking for colleagues who are eager to help shape the future of the payment industry!About the Team You Will JoinThe Frontend Developer position at Toss Payments is part of both the product team and the frontend chapter. Within the product team, you will collaborate with Product Managers, Product Designers, Server Developers, and fellow Frontend Developers to tackle complex projects in the payment domain, creating sustainable and high-quality services over time. You will have the opportunity to refine and specify the products that leverage your strengths during the interview process.The frontend chapter operates like a cohesive team! We hold regular chapter meetings and share new technology topics or development insights during 'Lightning Talks.' Participate in mob programming, interface design reviews, and various challenges that encourage continuous growth!This year, the frontend chapter aims to scale significantly to support the smooth operation of Toss's growing business.What We Have Accomplished So FarWe developed the payment widget to enable anyone to easily create their desired payment experience after thorough consideration.We designed and applied an intuitive and scalable payment SDK architecture that meets numerous requirements.We are enhancing dashboards and admin products to effectively address the complex policies and management elements from merchant contracts to payments and settlements.Beyond product development, we take the lead in reducing various inefficiencies within the company through the establishment of testing automation platforms, design standardization, and sharing development capabilities.Future Challenges We Want to Tackle TogetherWe look forward to crafting products that flexibly accommodate complex requirements. We are already applying technical challenges to effectively manage complexity in the payment domain while maintaining scalability. However, to drive these goals forward, we need more teammates to support us.We aim to completely eliminate accumulated legacy.The long-standing electronic payment market has not been without its technical debt. We are seeking individuals who can analyze areas that are hard to control or manage, rapidly reconfigure them with new technologies, and help create an environment where the business can grow swiftly.Who We Want to Work WithIndividuals who place high value on developer experience.Those who understand and practice the importance of automated testing.Enthusiasts of new technologies and various platforms.Individuals keenly interested in programming languages.Those who find joy in simplifying complex business challenges.Experience We ValueExperience with static type analysis using TypeScript or Flow is a plus.Experience in server-side rendering (SSR) and web app development within mobile applications is a plus.Experience in UI development considering responsive design, web accessibility, and web standards is a plus.Experience in test and deployment automation is a plus.Experience in configuring the operational infrastructure of web services or creating product monitoring systems is a plus.

Mar 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

Join Toss Payments as a Frontend Developer and be part of a dynamic team that builds user-friendly payment solutions. While we primarily seek candidates with over 4 years of experience, we also welcome passionate developers with at least 3 years of experience to apply for other positions listed in our job postings!About the Team:The Frontend Developer role at Toss functions within a matrix structure, collaborating closely with Product Owners, Designers, Server Developers, and Data Analysts to deliver innovative services and products.The Frontend Chapter operates as a cohesive team, sharing knowledge through regular 'Tech Talk' sessions and engaging in collaborative library development and code reviews.This year, our goal is to scale the Frontend Chapter to meet the growing demands of Toss's business, ensuring smooth operations across our platforms.Your Responsibilities:Develop safe and user-friendly payment interfaces.Create various B2B SaaS products to support merchant businesses.Enhance the frontend development environment with a focus on delivering exceptional user experiences and contribute to the creation of shared libraries like TDS.What We Are Looking For:Proficiency in SPA frameworks such as React, Vue, or Angular.Strong understanding of HTML, CSS, and JavaScript.A keen appreciation for UI/UX principles.Experience with distributed version control systems like Git.Please Highlight These Experiences on Your Resume:Experience with static type analysis in JavaScript using TypeScript or Flow.Familiarity with server-side rendering (SSR) and development of web apps within mobile applications.Experience in UI development considering responsive design, web accessibility, and web standards.Experience with testing and deployment automation.Proficiency in using module bundlers like Webpack.Technologies We Use:Core: React, TypeScript, Next.jsState Management: React-QueryStyling: EmotionPackage Manager: Yarn Berry

Mar 9, 2026
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companyToss Bank logo
Full-time|On-site|Seoul

# About the Team You Will Join- As a Frontend Developer at Toss Bank, you will be part of a purpose-driven team/squad and simultaneously belong to the Frontend Chapter, a functional organization. Frontend Developer in the Product Organization- At Toss Bank, product and service development occurs within team/squad units, where various roles such as PO/PMs, designers, frontend/server developers, and data analysts collaborate with high levels of autonomy and accountability, akin to a startup. Frontend Developer Lead in the Chapter- With the growth of the chapter, the F-Lead (Frontend Lead) role has emerged to effectively manage smaller groups. Each group comprises 4-5 Frontend Developers handling similar products, with the F-Lead guiding these teams.- By fostering a deep understanding and empathy for the product, you will lead high-quality engineering discussions to set technical goals and explore directions.- Interested in learning more about the Toss Bank Frontend Chapter? [→ *We are building a bank on the web*](https://toss.im/career/article/tossbank-frontend-interview)- Curious about the growth opportunities post-joining? [→ *A week in the life of a Toss Bank Frontend Developer*](https://toss.im/career/article/tossbank-frontend-oneweek) # Role of the Frontend Developer LeadThe F-Lead plays a pivotal role in providing engineering leadership within the Frontend Chapter. This position involves leading a group, managing development discussions and issues, and outlining technical directions. It extends beyond simple feature development to encompass continuous service improvements.The ideal candidate will possess practical technical skills and be capable of engaging in various activities that promote team growth.- Execute frontend operations promptly based on technical excellence, achieving product growth through appropriate direction.- Manage technical debt and establish a clear vision, leading the group’s engineering meetings to drive discussions.- Foster connections among fellow developers, inspiring growth, career development, and motivation for tangible changes.- Monitor project status, provide input for resource allocation, and enhance the development environment and processes.- As a Frontend Developer in a team/squad organization, you will collaborate with other roles such as planning, design, and data analysis to create and develop products aimed at user growth. # We Are Looking For- A leader who aspires to support and empower colleagues to work more effectively rather than merely managing them.- Someone who proactively identifies problems and collaborates with teammates to find solutions, beyond just completing assigned tasks.- A person with the ambition and goals to create a significant business impact through development.- An individual who prioritizes user experience and aims to maximize service accessibility and performance. # Technologies Used at Toss Bank- Core: React, TypeScript, Next.js- State Management: React-Query, Jotai, Zustand- Styling: Emotion, Panda CSS- Package Managers: Yarn Berry, Bun- Build Tools: Webpack, Rollup, ESBuild, SWC, Babel- CI/CD: GitHub Actions, GoCD # Joining Toss Bank Journey- Application Submission > Preliminary Task > Job Interview > Cultural Fit Interview > Reference Check > Compensation Negotiation > Final Acceptance and Onboarding # Important Notice- If false information is found in your resume or documents, or if disciplinary actions during your employment history are confirmed, recruitment may be canceled.- According to Toss Bank's employment regulations, candidates with disqualifying factors may also have their recruitment canceled.- Individuals with disabilities and those eligible for national veterans' benefits will be favored during the application process.

Mar 11, 2026
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companyToss logo
Full-time|On-site|Seoul

About the Role Toss is looking for a Frontend Developer in Seoul to help build and improve web applications. This role works closely with designers and backend engineers to deliver smooth, effective user experiences. The team values modern frontend development and keeps up with current technologies. What You Will Do Develop and maintain web applications for Toss products Work with designers to translate UI/UX designs into functional interfaces Collaborate with backend developers to integrate APIs and data Use current frontend tools and frameworks as part of daily work Location This position is based in Seoul.

Apr 15, 2026
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companyToss Bank logo
Full-time|On-site|Seoul

Join Our Dynamic Team! At Toss Bank, we focus on evaluating potential through the quality of your experiences and the expected growth in your career, rather than just years of service. About the Team You Will Join Our squads consist of 1-3 Frontend Developers collaborating closely to foster both service development and personal growth. As a service-oriented squad, we operate with autonomy, with teams ranging from 4 to 15 members, akin to small startups. The Frontend chapter at Toss Bank collaborates like a cohesive unit, sharing new technologies and development expertise through weekly meetings. Want to learn more about our Frontend chapter?→ *We are building a bank on the web*(https://toss.im/career/article/tossbank-frontend-interview) Curious about the growth opportunities after joining?→ *A week in the life of a Toss Bank Frontend Developer*(https://toss.im/career/article/tossbank-frontend-oneweek) Your Responsibilities You will develop a wide range of services, from internal operating systems to customer-facing financial services like account creation, card applications, savings, and loans. Enhance productivity by building libraries and automation tools, continuously improving the frontend development environment for optimal user experience. You will also work on common services like the Toss Bank homepage and corporate user services. Who We Are Looking For Individuals with experience in server-side rendering (SSR) and developing web applications within mobile apps. Passionate developers who enjoy understanding user flows deeply and enhancing user experiences for greater convenience and efficiency. Proactive problem solvers who can articulate and share their ideas logically. Those interested in automating and improving Frontend Operation systems (CI, CD, etc.). The Services You Will Manage You will create financial services such as savings, loans, credit cards, funds, and asset management that users directly engage with, including innovative products like 'Group Savings' and 'Grow Savings'. Take responsibility for the entire process from credit evaluation to card issuance and user experience, while driving growth through data-driven experiments that enhance MAU, profitability, and customer satisfaction.

Mar 11, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

Join our dynamic team at Toss Payments as a TCP Server Developer. We are looking for a skilled developer who is passionate about building high-performance server applications. You will be working with cutting-edge technologies to ensure seamless communication across our platforms.

Mar 9, 2026
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companyToss logo
Full-time|On-site|Seoul

주요 업무개발 및 개선: 토스신용카드, 내 보험 조회, 행운퀴즈 등 토스 앱의 웹 서비스.PC 웹 서비스: 토스 홈페이지 등 다양한 웹 서비스 개발.사용자 경험: 완벽한 사용자 경험을 위한 프론트엔드 개발 및 배포 환경 개선 참여.UI 라이브러리: 사내 프론트엔드 공통 UI 라이브러리(TDS) 개발.

Mar 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

Join Toss Payments! Toss Payments strives to understand business challenges and inefficiencies, aiming to provide comprehensive solutions from technology to operations. We are committed to delivering an effortless and convenient service experience for consumers while ensuring a focused environment for merchants. We operate under the principles of autonomy and responsibility, with a strong culture of mutual trust, all aimed at innovating the electronic payment market. We are looking for colleagues who are eager to help shape the future of the payment industry! About Your Future Team The Legal Counsel position is part of the Legal & Compliance team at Toss Payments. This team guides the organization in navigating legal risks, ensuring that we safely reach our goals by identifying, mitigating, or circumventing these risks. Our team comprises members with diverse backgrounds from financial holding companies, securities firms, IT companies, and major law firms, fostering positive synergy. Rather than joining a fully formed team, you will have the opportunity to play a pivotal role in shaping the team from its early stages. We are looking for an individual to take on responsibilities following our recruitment in 2023. Your Responsibilities Review contractual structures related to transactions between financial institutions and merchants, such as banks and credit card companies. Support responses to various lawsuits, disputes, and complaints that may arise during business operations. Assess compliance risks related to electronic payment businesses, electronic financial operations, and new business initiatives, conducting legal reviews and monitoring compliance with laws and internal regulations. Respond to data requests and inquiries from regulatory bodies such as the Financial Supervisory Service, facilitating smooth communication with supervisory agencies and handling reporting obligations as required by relevant laws. Contribute to Toss Payments' growth by examining payment business models (PG, VAN) and collaborating with team members to ensure compliance with requirements. Provide legal advisory services for new businesses and the overall operation of services, understanding Toss Payments' business structure. Draft and review contracts necessary for various operations to support achieving business objectives. Who We’re Looking For A qualified candidate who has at least 3 years of experience as a corporate lawyer or in-house counsel. Experience reviewing fintech and financial regulations, such as the Electronic Financial Transactions Act, Specialized Credit Finance Business Act, and related laws. Background as in-house counsel at IT/fintech firms or experience in corporate legal advisory work at law firms specializing in financial companies. Experience dealing with regulatory agencies and engaging in public relations with authorities like the Financial Supervisory Service and Financial Services Commission is preferred. Desirable qualifications include expertise in IT, information processing systems, information security, or related academic backgrounds. Experience with new business evaluations, such as regulatory sandboxes or acquiring new licenses, is a plus.

Mar 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

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.

Apr 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

Join our innovative team at Toss Payments as a Data Engineer, where you'll play a crucial role in building and optimizing our data infrastructure. You will work with cutting-edge technologies, collaborating with cross-functional teams to drive data-driven insights and solutions. Your expertise will help us enhance our payment systems and improve user experiences.

Mar 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

# 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!

Mar 17, 2026
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companyToss Payments logo
Contract|KRW 2.4M/mo - KRW 2.4M/mo|On-site|Seoul

# Join Our Team- As a KYC Operations Assistant at Toss Payments, you will be part of the Anti-Money Laundering Team.- Our goal is to operate AML processes that reflect the Toss ethos: simple yet highly trusted. We continuously seek ways to enhance the effectiveness and reliability of our processes.# Responsibilities- Review documentation required for customer verification (KYC).- Identify parties that may exploit Toss Payments services for money laundering.- Devise strategies to enhance the effectiveness and reliability of the KYC processes.# We Are Looking For- Individuals with high concentration and perseverance.- Those aspiring to kickstart their careers as AML specialists.- Experience in KYC-related tasks, such as documentation review, is a plus.- Candidates who can commit to at least 6 months are preferred.# Resume Tips- Clearly state your motivation for applying to Toss Payments and the KYC Operations Assistant role.- If you have not handled AML tasks, provide detailed descriptions of your relevant work experience.- If you have experience in AML tasks, please elaborate on your specific responsibilities and achievements.# Important Information- Employment type is on a fixed-term contract basis for 6 months from the start date.- The contract may be extended upon mutual agreement.- Working hours are Monday to Friday, from 10 AM to 7 PM (including a 1-hour break).- Monthly salary is 2,400,000 KRW, which includes weekly allowances and meal expenses.- Employees who complete a contract of more than one month will receive a certificate of completion.# Join Us at Toss- Application Process: Document submission > Job interview > Final acceptance- Application Period: Ongoing recruitment (until positions are filled).

Mar 12, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

# Company Overview - The Toss Payments team aims to revolutionize the electronic payment market in South Korea. With the expansion of online and mobile commerce, Toss Payments seeks to provide innovative payment solutions that benefit both businesses and consumers through technological and business model advancements. # Key Responsibilities - Continuously enhance the Stability, Scalability, Availability, and Latency of our systems.- Build effective monitoring systems to proactively detect issues and respond swiftly.- Resolve incidents and design preventative solutions for future occurrences.- Establish and execute performance testing environments to support service growth.- Experiment with and evaluate the adoption of open-source products. # Qualifications - Expertise in Java-based technologies.- Solid understanding of software engineering principles.- Deep knowledge of Linux and network systems.- Comprehensive understanding of Microservices Architecture (MSA).- Enjoy working in mission-critical service environments with a strong sense of responsibility to build robust services.- Adapt quickly to new technologies and embrace change for continuous personal and professional growth. # Technologies at Toss Payments - Java Spring Framework, JPA/Hibernate, GradleJenkins, Git, Docker, Kubernetes + IstioKafka, Elastic, InfluxData, Grafana, MemcachedEJB, Pro C, AnyLink, Control M, Weblogic, Oracle # Journey to Join Toss Payments- Application Submission > Technical Interview > Cultural Fit Interview > Salary Negotiation > Final Acceptance and Onboarding # Industry Insights- The Future of the Payment Industry, Created Anew by Toss

Mar 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

# Join Our Team- As part of the Toss Payments team, you will navigate legal risks in the payment industry, providing guidance to ensure safe and secure achievement of our team's objectives by identifying and mitigating these risks.- You will address various legal matters related to corporate restructuring and other legal issues within the company, ensuring ongoing growth by reviewing and resolving necessary legal concerns.- In the innovative journey of Toss Payments, where we venture into uncharted territories and offer unique services, you will have the opportunity to engage in forward-thinking and groundbreaking legal reviews that are not typically encountered elsewhere.- We strive for a proactive legal team that collaborates from the outset with service organizations, allowing you to experience the growth and development of the company firsthand, unlike traditional risk management roles.- Our legal team comprises members with diverse backgrounds from financial holdings, securities firms, IT companies, law firms, and government bodies, fostering synergy through varied experiences. As Toss Payments is a relatively new organization, you can contribute to building the legal team from its inception rather than merely joining an established one.

Mar 9, 2026
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companyToss Securities logo
Full-time|On-site|Seoul

Join the Frontend Chapter at Toss Securities! We create cutting-edge mobile products that operate in web views for Android and iOS apps, as well as desktop products for PC browsers and back-office operations, leveraging modern web technologies. Our goal is to simplify complex investment products, providing a sleek investment experience that is accessible to everyone. We utilize optimal engineering techniques to continuously display and trade vast amounts of real-time data seamlessly. Technologies We Use: React, Next.js, TypeScript: Building efficient UIs with component-based architecture and reducing bugs through static type checking. React-Query, Recoil, Jotai: Utilizing appropriate state management for server and client. Emotion, Vanilla-extract: Styling mobile products with emotion and desktop products with vanilla-extract. TDS (Toss Design System): Enhancing development productivity using our robust design system, contributing from bug reporting to component creation. WebSockets, SSE: Efficiently managing real-time data and optimizing server requests. YarnBerry, PNPM: Using package managers to their full advantage. Webpack, SWC, Babel: Improving development productivity with rapid build and deployment speeds. GitHub, GitHub Actions: Managing source code on GitHub with automated reviews by a minimum of two reviewers, supported by various GitHub bots performing static analysis and tests. Why Join Toss Securities Frontend Chapter? If you're a developer with a keen interest in investing, you can enhance both your development skills and investment knowledge simultaneously. Gain experience with various data visualizations such as charts, graphs, and tables while exploring how to optimize the performance of visualized real-time data. Experience handling real-time price traffic of up to 1400 TPS through sockets. Contribute to creating a design system exclusively for securities products. Participate in Engineering Days held every two weeks, where we share learning and insights on technology topics and development know-how through Tech Talks. We actively share knowledge and best practices to enhance productivity, even outside of Engineering Days. Engage with other frontend teams across different affiliates, fostering a culture of collaboration and knowledge exchange. We Are Looking For: Individuals with experience in operating web-based services. A passion for development and a strong desire for growth, even if only interested in investing. Understanding the importance of predictable code and executing it effectively.

Mar 11, 2026
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companyToss logo
Full-time|On-site|Seoul

Join Our Team! As a Frontend Developer at Tossplace, you'll be an initial member, gaining diverse experiences. We're shaping the future of the offline payment industry, planning exciting changes in the payment ecosystem. You'll collaborate with Product Owners, Designers, and Hardware Engineers to successfully launch top-notch payment devices. Our frontend chapter collaborates closely like a single team, sharing new tech topics and development expertise during weekly 'Tech Talks' and conducting code reviews. This year, our goal is to scale our frontend chapter to meet the increasing resource demands of Toss's business. Explore Everything About Toss Frontend Chapter Your Responsibilities At Tossplace, we solve various challenges to drive digital innovation in the offline payment market. As one of the initial members, you will develop solutions to challenging problems encountered in the B2B offline payment market from the ground up. You will create the essential POS (Point Of Sales) systems that support all platforms via a single source code using web technologies. In addition to POS, you'll develop web views for kiosks and payment devices used by customers in stores. Moreover, you will work on desktop webpages such as owner dashboards and mobile webpages for table orders and pickups. You’ll encounter unique and challenging frontend development experiences as you adapt to various offline store environments. Who We're Looking For Proficiency with SPA frameworks like React is highly desirable. Experience with Electron and web apps within mobile apps is a plus. Familiarity with static type analysis in JavaScript using TypeScript or Flow is preferred. We need someone who can proactively identify problems and analyze solutions rather than just implementing given tasks. Services You'll Handle POS: This system manages orders and payments, acting as a control tower for various products within Tossplace. It helps manage customer reservations in service sectors, providing CRM functionalities like points, stamps, and coupons. It also ensures seamless communication with payment terminals and receipt printers for smooth store operations. Kiosk: You'll also work on kiosks that improve customer interactions in F&B settings.

Mar 9, 2026
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companyToss Payments logo
Full-time|On-site|Seoul

Join our dynamic team at Toss Payments as an Inbound Sales Assistant! In this role, you will be the first point of contact for our customers, providing exceptional service and support. You will be responsible for assisting customers with their inquiries, guiding them through our services, and ensuring a seamless experience. If you are passionate about sales and customer service, we want to hear from you!

Mar 31, 2026
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companyToss logo
Full-time|On-site|Seoul

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.

Mar 9, 2026
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companyToss logo
Full-time|On-site|Seoul

#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

Apr 1, 2026
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companyToss Securities logo
Full-time|On-site|Seoul

Join Our Team!As a Node.js Developer at Toss Securities, you will be part of the Automation Platform Team.The Automation Platform Team is dedicated to creating and managing customer-facing services that provide a unique experience for users of Toss Securities, along with internal services that support these offerings.Your role will involve designing and implementing a range of automation platforms that help employees and customers shift their focus from repetitive tasks to more valuable work. What You Will Do:Develop Node.js-based applications that operate in diverse environments, including server and client-side applications.Write libraries and test code to create stable and observable services. We Are Looking For:A candidate with a deep understanding of Node.js, TypeScript, and Nest.js, or someone with ample practical experience in other server-side environments (like Spring) who is ready to transition to the Node.js ecosystem.Experience in designing and operating distributed applications, with the ability to define and resolve issues related to concurrency, atomicity, and parallel processing.Familiarity with log collection and monitoring for stable service operations.Ability to write flexible, readable, and maintainable code.Skills in identifying repetitive or inefficient processes and proposing better alternatives. Resume Tips:Describe challenges encountered during projects and how you solved them.Summarize your thoughts on good coding or design philosophy. Technologies Used at Toss Securities:Typescript, NestJS, pnpm, VitestELK Stack, ZooKeeper, Redis, Kafka

Mar 9, 2026

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