Network Technician at Toss Securities | Seoul

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 handli…

Application Instructions:To apply, please fill out the attached Internal Transfer Request Form and submit it using your Coupang email address.About Coupang Eats:Coupang Eats is Coupang's food delivery service, rapidly becoming the leading delivery platform in South Korea since its launch in 2019. In 2024, we surprised the world once again with our 'Unlimited Free Delivery' initiative. Our continuous efforts enhance the customer delivery experience, and we are committed to innovation to ensure everyone wonders how they lived without Coupang Eats.Join Us:If you want to grow your skills alongside industry experts and contribute to a thriving business, consider joining Coupang Eats!Key Responsibilities:1) Strategic Leadership: Develop and communicate a clear vision and strategy for QA functions aligned with business objectives, establishing best practices and standards organization-wide.2) Team Management: Lead and mentor a team of QA engineers, testers, and analysts, fostering a culture of excellence, collaboration, and continuous improvement while providing opportunities for professional growth.3) Quality Assurance Processes: Define and implement robust QA processes and workflows to ensure timely delivery of high-quality software products, collaborating with cross-functional teams to integrate QA activities into the software development lifecycle, focusing on e-commerce platform pre-purchase and purchase stages.4) Test Automation Strategy: Develop and execute a comprehensive test automation strategy to enhance testing efficiency, coverage, and reliability while evaluating and selecting appropriate tools and frameworks to support QA team goals.5) Continuous Improvement: Identify areas for improvement within QA processes, tools, and methodologies, driving initiatives based on industry best practices, emerging technologies, and stakeholder feedback.

Join Our Team! As an IDC System Technician at Toss Securities, you will be part of the System Engineering Team. Work closely with System Engineers and Network Engineers to design, build, and operate on-premises system infrastructure. Focus on testing, standardization, and automation to ensure swift and reliable system provision while managing and optimizing the overall asset management and operations of the IDC. Your Responsibilities: Perform installation, configuration, and operational support for system-related tasks based on on-site work at the IDC. Lead first-line response and troubleshooting for incidents occurring in system equipment. Manage overall operational tasks such as equipment installation, relocation, and maintenance through effective communication with partner companies. Continuously monitor physical and logical resources necessary for system operations and respond promptly to events. Oversee the entire lifecycle of IDC equipment, including testing and budgeting for standard equipment selection. Produce and maintain documentation such as manuals, policies, and reports necessary for system operations. We Are Looking for Candidates Who: Have at least 5 years of experience in system configuration and operations within an IDC environment. Possess understanding and experience with colocation, including rack and power planning considerations. Have operational and management experience with large-scale physical systems and diverse equipment. Exhibit strong communication skills for seamless collaboration with partners and internal teams. Have a deep understanding and practical experience with hardware components such as servers, storage, and power supplies, as well as OS knowledge (Linux, Windows, Hypervisor). Have experience with related projects like IT outsourcing (ITO). Resume Submission Tips: Please provide detailed descriptions of your experiences in the following areas: Experience in large-scale system configuration and operations in an IDC environment. Examples of standardization/automation applied for operational efficiency and their results. Systematic operational experience in maintenance, asset management, and partner management. Memorable system incident cases and how you resolved them. Experience in pre-testing and comparative analysis for optimal system adoption. Specific examples of HW infrastructure configuration and troubleshooting experience. Please Note: This position is a contract role with a duration of 1 year. Employment may be rescinded if any false information is found in the resume or if disciplinary issues arise during work history. Individuals disqualified as per Toss Securities regulations may have their applications canceled. People with disabilities and those eligible for national veterans' benefits will receive preference in accordance with relevant laws. Your Journey to Joining Toss Securities: Application submission > Job interview > Cultural fit interview > Final acceptance and onboarding.

Join our dynamic team at Tosscareers as a Server Developer, where your skills will help shape innovative products and solutions. We are looking for passionate individuals who thrive in a collaborative environment and are eager to contribute to exciting projects.

Join Databricks as a Senior Solutions Architect and play a pivotal role in driving our clients' success through innovative data solutions. You will leverage your expertise in cloud technologies and data engineering to design robust architectures that empower organizations to harness the full potential of their data. Collaborate with cross-functional teams to deliver high-impact solutions that enhance business outcomes.

About the Financial Marketplace Domain Toss organizes its work into several domains, each running its own business and product lines. The Financial Marketplace domain delivers a range of financial services, including loans, credit cards, insurance, and account management. This team helps customers address financial needs directly within the Toss platform. The domain is expanding into real estate and mobile services, aiming to address broader customer needs beyond traditional finance. Business and product teams work side by side, moving quickly to experiment with and scale new offerings alongside various partners. Learn more from the Financial Marketplace Leader Article. What You Will Do Design and operate products in the financial domain with a focus on scalability and stability. Work closely with partners to solve real problems, seeing the direct impact of your work and growing quickly. Move fast to achieve medium- and long-term goals for the domain, leading change where needed. Drive the adoption of AI Agent-based automation throughout the domain and help grow the platform. Who We’re Looking For At least one year of hands-on experience in software development. Background in designing and running high-availability, scalable systems. Experience building systems that handle large-scale, real-time traffic. Interest in, or experience with, AI-driven operational automation. Platform engineering design experience is a plus. Knowledge of financial products (such as loans, cards, or insurance) is helpful. Interest or experience in real-time data processing or Flink is beneficial. Experience setting up test infrastructure or mock servers is a plus. Understanding of regulatory or compliance requirements, or experience designing governance, is valued. Technologies in Use Kotlin Spring MySQL MongoDB Hadoop Redis Kafka Important Application Notes Candidates will be considered first for roles in the Financial Marketplace domain. Depending on interviews, skills, and internal needs, offers may be extended for other teams. If interested in roles outside this domain, see the Server Developer (Product) opening. Any false information on a resume or disciplinary issues during employment may result in cancellation of the hiring process. Hiring may be canceled according to Toss regulations if candidates fall under restricted or disqualifying categories. Hiring Process Application Submission Job Interview Cultural Fit Interview Reference Check Compensation Discussion Final Acceptance and Onboarding Working at Toss "To connect everyone with easier and more convenient finance." The Financial Marketplace Domain at Toss starts by questioning whether products truly serve users. Teams across business, product, and engineering work as one to build solutions. Perseverance and a collaborative approach to defining and solving problems, especially when navigating financial regulations, are valued here.

Join Our Platform DivisionOur Platform Division is dedicated to building solutions that empower Toss members to tackle complex problems swiftly and securely. We manage essential services such as settlement systems, internal solutions, and the Toss home screen.Your Role and ResponsibilitiesUpon joining, your specific team and responsibilities will be tailored based on your strengths and background during the interview process.1 Finance ProductSettlement AdminDesign and operate a platform that accurately and reliably processes settlements for all transactions at Toss (online, offline, shopping, etc.).Aggregate millions of payment transactions for daily disbursement to merchants.Manage a settlement platform for various services including loans, credit cards, and insurance.Oversee a platform for managing receivables generated by diverse services.Contract OperationsMeta-structure all contracts at Toss and streamline the flow from contracts to costs, payments, and revenues through our system.2 Intelligence ProductPersonalized Recommendations & AdvertisingDesign and develop a recommendation and advertising system that helps users discover essential services while driving revenue growth for businesses.Optimize the exposure and delivery of the most suitable services from a plethora of offerings in the Toss app at the right moment, enhancing user experience.Design and manage servers capable of delivering personalized services quickly and reliably, even in high-traffic environments.CRM & Marketing AutomationBuild a CRM platform that allows for integrated management of marketing channels such as push notifications and in-app messages, automating campaign execution and operations.Create AI agents that autonomously execute advertising campaigns and adapt based on real-time customer feedback.Collaborate closely with marketers to identify and resolve recurring bottlenecks through engineering solutions.Experiment & Data Analysis PlatformDesign a platform that supports experimentation across the Toss app, enabling rapid hypothesis testing and outcome analysis.Handle audience lifecycle covering segment creation to funnel analysis based on behavioral logs and attribute data.Quickly process and serve large volumes of complex experimental data to provide immediate insights for decision-making.Work closely with PMs and data analysts from experiment design to result interpretation, addressing discovered inconveniences through platform solutions.We Seek Individuals Who1 Finance ProductEven if you lack domain-specific experience, we are looking for individuals eager to understand and master the financial flows within Toss. Experience in developing systems in domains where data integrity and reliability are paramount is essential. You should enjoy modeling complex domains and resolving them through systems in close collaboration with operational personnel.2 Intelligence ProductWe need individuals who have experience creating services that consider user context such as recommendations, personalization, and advertising. You should be interested in automating repetitive tasks and designing systems that operate autonomously without human intervention. Experience in structuring complex, large datasets and designing pipelines for fast querying and serving is a must. Enjoy working with product planners and data analysts to formulate hypotheses, validate them through experiments, and enhance products. Experience applying AI/ML technology in production environments is advantageous but not mandatory.Please NoteThis position requires a minimum of one year of practical experience...

All applicants will have the opportunity to take a coding test!Experience unique to Toss Payments."Discover new possibilities alongside colleagues who help reduce trial and error."Create products with a lifespan of over 20 years that impact various merchants utilizing Toss Payments.Engage in complex tasks that involve understanding the history of previous technologies to identify improvement strategies.All engineers work towards a common goal, collaborating across teams on specific problems and organically removing blockers during the solution process.Embrace challenges and try anything to overcome your limits and discover new potentials.About Toss Payments:- Toss Payments aims to provide all necessary solutions for businesses, from technology to operations, understanding the challenges and inefficiencies they face. We create products that offer consumers a simple and convenient service experience while ensuring merchants can focus solely on their business.- We operate under the principles of autonomy and responsibility, fostering a strong culture of mutual trust as we pursue our core goal of 'innovating the electronic payment market.' We are looking for colleagues who will help shape the future of the payment industry!What you'll be working on:- Develop scalable and flexible systems to easily implement the continuously increasing payment requests and diverse requirements.- Create systems capable of handling traffic surges, such as those during flash sales, without crashing.- Build settlement systems that can quickly and accurately compute numerous transactions with hundreds of requirements.- Develop new APIs to address business difficulties in a microservices architecture that allows for seamless and uninterrupted deployments.- Establish an ecosystem to support OpenAPI, connecting Toss Payments with client systems.Who can apply:- Individuals with less than 3 years of practical development experience.- Those with no restrictions on overseas travel.- Candidates available to join by June 2024.Technologies used at Toss Payments:- Java, Kotlin, Gradle- Spring MVC, Spring Webflux, Spring Batch, JPA, Spring Cloud Gateway, Spring Cloud Config, Netty- MySQL, Redis, ElasticSearch, Kafka, OracleThe joining process at Toss Payments:- Application submission > Coding test > Job interview > Cultural fit interview > Reference check > Negotiation of terms > Final acceptance and onboarding.- Application submission: April 15 (Monday) to April 24 (Wednesday) by 23:59.- Coding test: April 27 (Saturday) at 14:00 (90 minutes total).- The test will consist of 60 minutes of algorithm questions and 30 minutes of descriptive questions.- Subsequent hiring process: Only those who pass the coding test will be notified of individual schedules.- Onboarding: To take place in June.Coding test details:- The coding test will be sent to the registered email on April 27 (Saturday) at 2 PM.- Time limit: 90 minutes.- Submission deadline for the coding test: April 27 (Saturday) at 3:30 PM.- All applicants will have the opportunity to take the coding test.Frequently Asked Questions:Q. Can I apply if I have a past rejection?- There are no restrictions on applying for the Toss Payments Server Developer position for those with less than 3 years of experience. Feel free to apply even if you have been previously rejected.Q. Can industrial function personnel or specialized research personnel apply?- Currently, Toss Payments does not permit the hiring of personnel under military service exceptions, thus they cannot apply.Q. Can foreigners or those living abroad apply?- If you have received a work visa or have no issues obtaining one, you are eligible to apply.

Join our dynamic Server Platform team at Toss, where we play a critical role in ensuring the stability and reliability of all Toss services. Our team is dedicated to building a solid foundation for our services to operate smoothly.As part of the Server Platform team, you will collaborate closely with Site Reliability Engineers focused on preventing outages, DevOps Engineers enhancing deployment pipelines, and Server Developers working on various products.We prepare meticulously to ensure rapid recovery from service disruptions, providing robust support for backend operations that allow service developers to respond effectively to users.To enhance the security and reliability of financial transactions, we implement features such as degraded functionality at the Gateway level, automate analysis, and strengthen runtime analysis capabilities.Our initiatives also focus on improving performance through various profiling methods and hardware acceleration, alongside architectural enhancements.To boost developer productivity, we offer common libraries for distributed locking, logging, and metrics.

Join Our TeamThe Server Developer (Product) is an integral part of Toss's Maker Organization, Silo. Within each Silo, a diverse team of 6-8 professionals, including product owners, designers, developers, and data analysts, collaborates with autonomy, akin to a small startup.As our user base expands, our dedicated team of server developers ensures stable operations, supporting various services across Toss, distinct from the rapid experiments conducted within the Silo.What You'll Be DoingDesigning and developing the Product server, utilized daily by countless Toss customers.Offering over 50 diverse services since the launch of our easy remittance service in 2015, including financial status inquiries, pedometers, and luck quizzes.Implementing cutting-edge technologies to ensure service stability while promptly addressing user feedback and issues.Who We're Looking ForIndividuals with experience in designing and operating high-availability, scalable systems.Professionals with a background in developing systems that manage large-scale real-time traffic.People who have faced and resolved system outages effectively.Passionate individuals who treat the service as their own, embodying a sense of ownership.Collaborators eager to share insights and ideas gained from service development, constantly seeking technical challenges.Services You Will HandleLoan: Create services that allow users to easily compare various loans and manage them efficiently. We aim to be the go-to choice for credit loans, mortgage loans, refinancing loans, and card loans.Marketplace: Develop essential services, such as credit card benefit comparisons, investments, and auto insurance, for financial users.Payment: Work on Toss's simple payment service, TossPay, handling everything from online and offline payments to new payment method development and user acquisition promotions.Commerce: Enhance Toss's payment capabilities through commerce initiatives, launching group-buying and seller admin services to create value for both users and sellers.Benefits: Lead the creation of innovative services in the benefits tab, including pedometers, live shopping, lucky lotteries, and point rewards for friends.Ads: Expand Toss's advertising business, developing stable-serving products that handle large traffic volumes while integrating ad network developments.Home: Create services related to the home screen, the first touchpoint for all Toss users, analyzing assets and expenditures while connecting users to other relevant Toss services.

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.

At Zeeco, we cultivate a dynamic and supportive work environment where our employees thrive. From engineering professionals to our dedicated support teams, every member benefits from a culture of excellence, comprehensive training, and abundant opportunities for career advancement. Our collaborations with industry leaders empower our workforce to enhance their skills in tandem with experts in their respective fields.Key Responsibilities- Conducting field service engineering tasks- Overseeing the commissioning of burner and flare systems in petrochemical plants, industrial machinery, or marine vesselsQualifications- Bachelor’s degree or higher in engineering or a related field- No prior experience requiredPreferred Qualifications- Certifications: Electrician, Marine Engineer, or Marine Machinery Technician- Proficiency in English- Experience at sea and prior commissioning experience with burners

Join Toss Income, a newly established subsidiary of the Toss community, focusing on innovative financial services related to income.Toss Income aims to enhance financial experiences by addressing challenges in the tax domain, which, while not a daily financial service, is a crucial aspect of financial life.We are dedicated to alleviating the difficulties individuals face in managing their taxes through services like 'Finding Hidden Refunds.'As part of the newest branch of Toss community, you will have the opportunity to be an initial member and shape our team.The team you will join comprises self-sufficient units known as silos, which include product owners, designers, developers, and data analysts, functioning like small startups.As our user base expands, we require server developers who can ensure stable operations while supporting various services at Toss.Your responsibilities will include:Designing and developing the servers for services utilized by Toss Income customers.Ensuring the stability of Toss Income services while swiftly addressing issues based on customer feedback.We are looking for individuals who:Have experience designing and operating high-availability, scalable systems.Possess a background in developing systems capable of handling large-scale real-time traffic.Have encountered and resolved system failures.Take pride in their work and approach it with a sense of ownership.Are eager to share insights and ideas gained from service development and continuously seek technical challenges.We recommend structuring your resume to highlight:Your experience in developing systems capable of handling high traffic quickly and reliably.Specific improvements you've made based on problems you've identified, detailing the technology stack used.Participation in the initial stages of service development.Experience in developing B2C services based on the Spring Framework.Technologies used at Toss Income include:Kotlin, Java, GradleNetty, Spring MVC, Spring Webflux, Spring Boot, Spring Cloud Gateway, Spring Cloud ConfigJPA/Hibernate, MySQL, MongoDB, Hadoop, Redis, Memcached, etc.

SanDisk seeks a Backend Intern for the Autumn Semester CY26 in Seoul. This internship is designed for students who have an interest in backend development and data storage technologies. Role overview Interns will join technical teams and contribute to real projects focused on backend systems. The position offers a chance to work directly with experienced engineers and see how backend solutions support data storage products. What you will do Collaborate with engineers on active projects Support backend development tasks Build practical skills in data storage technologies Work environment This internship emphasizes hands-on learning and teamwork. Interns are encouraged to take part in ongoing work and engage with technical staff in a busy, collaborative setting.

Join Intuitive Surgical as a Field Service Manager, where you will play a crucial role in ensuring our cutting-edge robotic surgical systems are functioning optimally. You will lead a team of technicians, manage service operations, and provide exceptional support to our customers. Your expertise will help drive innovation in minimally invasive surgery.

Speechify’s mission is to remove reading barriers and open up learning for everyone. Over 50 million people use our text-to-speech technology to turn PDFs, books, Google Docs, news articles, and websites into audio. Our products span iOS, Android, Mac, Chrome, and web platforms. Recent recognition includes Google’s Chrome Extension of the Year and Apple’s 2025 Design Award for inclusivity. Our team of nearly 200 works remotely across the globe. We bring together frontend and backend engineers, AI research scientists, and professionals from companies like Amazon, Microsoft, and Google, as well as alumni from top universities such as Stanford. About the Role Speechify is looking for a Senior Android Engineer to help lead our Android core product as it grows into the most popular text-to-speech app on the Play Store. This role is based in Seoul, South Korea. The position calls for someone who thinks strategically, enjoys tackling new projects, and cares deeply about building user experiences that truly help people. What You’ll Do Lead development for the Android app, supporting a rapidly expanding user base Drive new projects that improve and expand the product Work closely with a distributed team of engineers and product leaders Help shape the direction of the Android product with both technical and product insight What We Value Strong technical skills and a results-oriented mindset Clear, effective communication Desire to take initiative and ownership in a flat, collaborative structure Commitment to high standards and a strong work ethic Interview Process The interview process includes several technical assessments, typically completed within one week.

Coupang Eats Coupang Eats is Coupang's food delivery service and the fastest-growing delivery platform in South Korea. Since its remarkable launch in 2019, Coupang Eats has once again surprised the world in 2024 with its 'Unlimited Free Delivery' initiative. This achievement is a result of our relentless efforts to provide the best delivery experience for our customers. The innovations we've introduced so far are just the beginning. We will continue to challenge ourselves to create a future where everyone wonders, 'How did I live without Coupang Eats?' Coupang Eats offers opportunities for our team members to enhance their skills. If you want to grow a business alongside industry experts, join us at Coupang Eats today! Key Responsibilities Strategic LeadershipEstablish and communicate a clear vision and strategy for QA functions aligned with business objectives, leading the establishment of best practices, methodologies, and standards across the organization. Team ManagementLead and mentor a team of QA engineers, testers, and analysts, fostering a culture of excellence, collaboration, and continuous improvement while providing guidance, coaching, and professional development opportunities. Quality Assurance ProcessesDefine and implement robust QA processes, workflows, and metrics to ensure timely delivery of high-quality software products, collaborating with cross-functional teams to integrate QA activities throughout the software development lifecycle. Test Automation StrategyDevelop and execute a comprehensive test automation strategy to enhance the efficiency, coverage, and reliability of testing, evaluating and selecting appropriate test automation tools and frameworks to support QA team objectives. Continuous ImprovementIdentify areas for improvement in QA processes, tools, and methodologies, driving enhancement initiatives based on industry best practices, emerging technologies, and stakeholder feedback. Stakeholder CommunicationAct as the primary contact for quality-related matters, providing regular updates and reports to executives and stakeholders, particularly collaborating with product management and development teams regarding e-commerce platform quality goals and priorities. Product Availability RequirementsMaintain 99.99% product availability for Coupang Eats to meet customer expectations and business objectives.

Join Our TeamAs a Product Server Developer at Toss, you will be one of the pioneering members of our team, gaining diverse experiences as we venture into the offline payment industry.We are excited to shape the history of payment systems, innovating the payment ecosystem with enthusiasm.You will collaborate with various colleagues, including Business Development Managers, Purchasing Managers, and Hardware Engineers, to successfully launch top-tier payment devices.Your ResponsibilitiesDesign and develop product servers that create digital innovations in the offline payment market, providing beautiful payment experiences.Handle all aspects of system service design and operations to ensure we deliver utmost value.Utilize cutting-edge technologies to maintain stable service operations, swiftly addressing user feedback and challenges.Ideal CandidateYou have experience designing and operating high-availability, scalable systems.You possess a background in developing systems that handle large-scale, real-time traffic.You have faced and resolved system failures, demonstrating your problem-solving skills.You approach your work with a strong sense of ownership and dedication, treating the service as 'your own'.You enjoy sharing insights and ideas gained from service development and are eager to embrace continuous technical challenges.Resume TipsDetail your experience in developing solutions that efficiently and reliably handle high traffic volumes.If you have proactively identified and improved issues, please specify the technologies used and the extent of improvements.Include any experience you have in participating in the early stages of service development.Experience in developing B2C services based on the Spring Framework is a plus.Technologies We UseKotlin, Java, GradleNetty, Spring MVC, Spring Webflux, Spring Boot, Spring Cloud Gateway, Spring Cloud ConfigJPA/Hibernate, MySQL, MongoDB, Hadoop, Redis, Memcached, ZookeeperKubernetes + Istio, Haproxy, NginxGoCD, ArgoCD, Consul, Vault, Git, Docker, Spinnaker, Jenkins, Ceph, HarborKafka, ELK, Prometheus + Thanos, InfluxData, Grafana