Server Developer (Product) at Toss Securities | Seoul

Join Our Team! At Toss Securities, our Server Chapter is filled with enthusiastic colleagues who are eager to collaborate and create meaningful advancements. We thrive on constructive discussions and innovative problem-solving, where every idea is valued, and constructive criticism is encouraged. We enjoy engaging in technical discussions and hold various st…

About the Team You'll Join The Server Developer (Market Platform) will be part of the Market Team, dedicated to developing the ‘Toss Securities Market Platform’. The Market Team handles various essential tasks for securities services, including the provision of domestic and international stock prices. The team's objective is to deliver an optimized, ultra-efficient system. Our engineers are responsible for market data, actively collaborating to determine necessary features and shaping the development direction. Your Responsibilities Develop a broad range of applications from customer-facing APIs/WebSockets to external organization communications. Gain experience with real-time high-volume traffic and low-latency event processing, often tackling complex challenges. Contribute to architectural improvements, focusing on deployability, operational ease, stability, and performance enhancement. Who We Want to Work With We are looking for individuals who excel at solving complex problems. Those who embrace change, adopt new technologies, and demonstrate a strong sense of responsibility will thrive here. Proficiency in Go, Kotlin, and Spring Framework is a plus. Experience in developing mission-critical systems is highly desirable. Background in real-time data processing and network programming would be beneficial. Resume Recommendations Highlight impactful projects and contributions. Detail the problems you have solved, the thought process behind your solutions, and the outcomes achieved. Technologies Used at Toss Securities Go, Kotlin/Spring Boot, Netty Redis, MySQL, Kafka, NATS The Journey to Joining Toss Securities Application submission > Live coding interview > Technical interview > Cultural fit interview > Reference check > Offer negotiation > Final acceptance and onboarding Additional Information Any falsified information in your resume or documented disciplinary actions during your employment history may lead to cancellation of the hiring process. Individuals identified as ineligible for hire under Toss Securities regulations may have their application revoked. We prioritize candidates with disabilities and veterans in accordance with relevant laws.

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.

Join Toss Payments! At Toss Payments, we strive to understand the challenges and inefficiencies in business operations, aiming to provide comprehensive solutions that encompass technology and operational support. Our goal is to deliver a seamless and user-friendly service experience for consumers while ensuring our partners can focus solely on their core business activities. We operate under the principles of autonomy and responsibility, fostering a culture of mutual trust with the primary objective of innovating the electronic payment sector. We are looking for teammates who are eager to shape the future of the payment industry alongside us! About the Team You'll Join As a Server Developer at Toss Payments, you will tackle challenges within product-centric teams or specialized silos based on the complexity or scale of the issues at hand. Each silo comprises a minimum of 6-8 members, including a Product Owner, Product Designer, developers, and data analysts, allowing for independent decision-making akin to joining a small startup! The Team structure gathers developers with similar expertise to create function-driven products. Both structures collaborate with common platforms, DevOps, and SRE to continuously enhance work efficiency. PG Village Responsible for all aspects of payment operations and enhancements. Develop integrated payment systems, brand payments, payment widgets, and the technology to service them reliably. Design and develop contract systems, payment interfaces, backend systems, and settlement systems. Create Open APIs that allow our partner merchants to easily leverage these foundational systems, fostering a vibrant developer ecosystem. Your Responsibilities Your assignment to a specific Silo or Team will be adjusted based on your strengths and background during the interview process. As a Server Developer, you will: Design and develop a resilient payment system that supports Toss Payments' OpenAPI ecosystem, ensuring a smooth integration experience and meeting diverse business requirements. Continuously enhance the system to handle increasing payment traffic reliably while ensuring scalability and flexibility. Transition the overall payment system to a Cloud Native architecture, moving beyond simple lift-and-shift strategies to replatforming tailored to current business needs. Design and develop high-performance systems that can withstand surges in traffic without faltering, ensuring timely settlement processing even under peak loads. We Are Looking For Individuals who are passionate about innovation in the payment industry and eager to contribute to a collaborative environment. Those with a strong technical background and a commitment to delivering exceptional service.

About the Team You'll JoinThe Server Developer (SRE) is an integral part of the server platform team.Toss typically operates with small, feature-based silo teams comprising planners, designers, and developers. The server platform team is responsible for creating common functionalities and frameworks needed across these silo teams.This year, the server platform team aims to enable quicker and smoother launches of securities services while ensuring their stable operation, with plans to expand many more services in the future.Unlike silo teams, there are no separate planners in the server platform team. Engineers within the team take on the roles of both planners and developers, actively contemplating necessary features, gathering feedback, and determining the direction for development. Responsibilities You Will Have Establishing preventive measures and responding to incidents for stable services.Design and operate response processes to minimize service impact during incidents, ensuring rapid response.Analyze root causes (RCA) of incidents, enhance pre- and post-detection capabilities, and build systems to shorten recovery time and prevent recurrence. Ensuring service visibility and availability.Achieve visibility across infrastructure, networks, and Kubernetes environments, linking it to actual service metrics.Establish SLOs to clearly define problem situations, continuously enhancing the alert system with necessary metrics.Proactively identify potential bottlenecks in components in anticipation of traffic increases and improve structures. Conducting in-depth analysis of issues and identifying root causes.When service disruptions occur, analyze beyond logs, utilizing eBPF, memory, network, and kernel areas for comprehensive root cause analysis.Precisely analyze internal application behavior to provide optimal resource configuration guidelines to developers. Automating operations and developing internal tools.Automate repetitive analytical tasks and identify areas that hinder operational efficiency, developing tools for improvement.Automate testing environments to enhance service reliability and provide easy access for colleagues.

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.

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.

#LI-DNIAbout the Team You Will JoinThe Data Engineers at Toss are part of the Data Platform team.The Data Platform team operates and supports the data and related platforms needed across all Toss services.This team consists of members with 2 to 18 years of experience, bringing diverse backgrounds from portals, banking, gaming, and startups.In our team, you are encouraged to explore various roles depending on your interests and willingness, fostering a collaborative atmosphere where knowledge and expertise are freely shared.Your ResponsibilitiesDevelop and manage stable and efficient data pipelines (ingestion, storage, streaming).Contribute to Toss services by processing large-scale data in real-time.Develop and maintain tools for a stable and efficient data experimentation/analysis environment for your colleagues.Create various data service applications for data analysis and platform operations.Ideal Candidate ProfileYou have experience in developing data pipelines for large-scale data processing (collection/processing/analysis).You are experienced with large distributed systems (Hadoop, HBase, Kafka, Spark, Flink, etc.).You possess software development skills for building data applications (Java, Scala, Python, etc.).You have intermediate or advanced programming capabilities (web/client/server programming).Experience in developing recommendation/advertising/machine learning-related services is a plus.Please Highlight the Following in Your ResumeDetail the challenges you have faced, the technologies you used, and how you solved problems rather than just listing programming languages or frameworks.Experience with platforms similar to Toss is beneficial, but we focus more on your growth potential and problem-solving abilities, so please share relevant examples.If you've resolved critical issues while operating a platform or optimized performance and system resource usage, please include that experience.Experience resolving bugs or issues in open-source software or developing missing features is also valuable.Your Journey to Joining TossApplication submission > Job interview > Cultural fit interview > Reference check > Compensation discussion > Final acceptance

ABOUT USXsolla is a pioneering global commerce company that empowers game developers with a comprehensive suite of tools and services designed to tackle the unique challenges of the video game industry. From independent studios to AAA publishers, Xsolla partners with game developers to facilitate funding, distribution, marketing, and monetization strategies. With a steadfast belief in the transformative power of video games, our mission is to connect opportunities and continually provide new resources for creators. Headquartered in Los Angeles, California, Xsolla has served as the merchant of record for over 1,500 game developers, helping them expand their audiences and enhance their business potential. We offer innovative pathways to profitability, equipping developers with the necessary resources to thrive in the gaming landscape.For more information, visit xsolla.com.As the Director of Developer Experience, you will play a pivotal role in Xsolla's Developer Relations team, leading regional developer evangelists, spearheading impactful lighthouse integration projects, and cultivating deep, meaningful relationships with the game development community. This position requires a blend of technical acumen, community engagement, and leadership to ensure that Xsolla consistently delivers exceptional experiences for developers at every interaction.You will set the standard by actively engaging with developers at conferences, meetups, and online forums, while mentoring your team to develop outstanding developer content, integrations, and advocacy initiatives.

About the Team You Will Join The Frontend Developer position at Toss is part of both a silo and the frontend chapter in a matrix structure. At Toss, products and services are developed within silo teams consisting of 6-8 professionals, including Product Owners, Designers, Server Developers, Frontend Developers, and Data Analysts, allowing for a startup-like autonomy. The frontend chapter collaborates closely like a single team! We conduct weekly chapter meetings to share new technology topics and development insights through 'Tech Talks', as well as engage in library development and code reviews for UI components and asynchronous processes. This year, the frontend chapter aims to scale its resources to ensure Toss's increasingly demanding business operations run smoothly. Your Responsibilities You will play a key role in identifying the market potential of Toss products and nurturing them into mature services. Toss implements various web pages within its app, collaborating with partners to continuously update services much like a native app. We are enhancing our frontend development environment to ensure web services can be built and deployed in just one minute, maximizing user experience. The Ideal Candidate Proficiency in SPA frameworks like React, Vue, or Angular is preferred. We seek individuals who can proactively identify problems and propose solutions rather than merely executing assigned tasks. Experience with static type analysis in JavaScript using TypeScript or Flow is a plus. Resume Tips Instead of simply listing experiences, please describe your impact and learning points from your past roles. We value candidates who attempt to solve problems independently as we rapidly iterate on product completeness based on customer feedback. If you have experience with server-side rendering (SSR) or web app development within mobile apps, please highlight this. Detail any experience you have in gradually migrating existing source code to a new codebase. For military personnel, please include detailed information regarding your service status in your resume, as industrial personnel can transition and research personnel can change roles. Technologies Used at Toss Core: React, TypeScript, Next.js State Management: React-Query, Recoil Styling: Emotion Package Managers: Yarn Berry, PNPM Build Tools: Webpack, ESBuild, SWC, Babel

Introducing Toss Income Toss Income is a newly launched subsidiary of the Toss community, focused on providing services related to 'income', the starting point of financial management. Our primary emphasis is on the taxation domain. Although tax services may not be daily necessities, they are an integral part of financial life that everyone encounters. We strive to alleviate the difficulties individuals face in managing their taxes. Just as Toss has revolutionized the financial landscape with innovative services, Toss Income aims to deliver new value through offerings such as 'Finding Hidden Refunds'. As one of the earliest members of Toss Income, you will have the opportunity to help shape the team and contribute to our growth. Your Responsibilities You will play a key role in identifying market opportunities for Toss Income's products and driving them towards maturity. Our applications feature a variety of web pages that are continuously updated in collaboration with partner companies, ensuring a native app-like experience. We are committed to enhancing the frontend development environment, enabling the build and deployment of frontend web services within just one minute to ensure the best user experience. We Are Looking For Proficiency in SPA frameworks like React, Vue, or Angular is highly desirable. We seek individuals who can proactively identify problems, analyze them, and propose effective solutions, rather than simply executing assigned tasks. Experience with static type checking in JavaScript using TypeScript or Flow is a plus. Resume Writing Tips Rather than listing your experiences, describe the impact and learning points from your past roles. As we prioritize customer feedback in improving product quality, we look for candidates who demonstrate initiative in problem-solving. If you have experience in server-side rendering (SSR) or web app development within mobile apps, please include that in your resume. Highlight any experience transitioning existing code to a new codebase. For military service personnel, please detail your service status in your resume, as we accommodate transitions for industrial function personnel. Technologies We Use Core: React, TypeScript, Next.js State Management: React-Query, Recoil Styling: Emotion Package Managers: Yarn Berry, PNPM Build Tools: Webpack, ESBuild, SWC, Babel CI/CD: GitHub Actions

Join our dynamic team at Tosscareers as a Node.js Developer! We are looking for innovative and passionate developers who thrive in a fast-paced environment and are eager to contribute to exciting projects. As a Node.js Developer, you will work with cutting-edge technologies and collaborate with cross-functional teams to deliver high-quality solutions.

Join Our Team! At Toss Bank, we are dedicated to developing a wide range of frontend products, while also designing and building internal banking systems for operational efficiency. Our squads, which consist of 4 to 15 members, operate autonomously like small startups, focused on creating exceptional services and products. The Toss Bank Frontend Chapter collaborates seamlessly, conducting weekly meetings to address technical debt and sharing insights on new technologies and development practices through 'Lightning Talks'. Your Responsibilities Include: Developing products aimed at revolutionizing the banking system in South Korea and enhancing team productivity. Identifying and automating repetitive, manual operational tasks such as ID verification, seizure and collection processes, certificate issuance, and financial transaction information provision to maximize efficiency. Participating in the design process by understanding business requirements and crafting user interfaces. Optimizing admin UX/UI by platforming internal operational tools, thereby enhancing development productivity. We Are Looking For: A candidate with a strong understanding and experience in React. Proficiency in TypeScript to develop reliable and testable applications. A passion for understanding user perspectives and building systems that enhance operational efficiency beyond basic feature implementation. Proactive problem-solving skills and the ability to articulate ideas effectively. Experience in building admin products is a plus. Experience in developing dashboards and reporting functionalities for service operations is a plus. A background in enhancing operational efficiency and automation beyond basic CRUD operations is a plus. Technologies We Use: Core: React, TypeScript, Next.js State Management: React-Query, Jotai, Zustand Styling: Emotion, Panda CSS Package Manager: Yarn Berry, Bun Build: Webpack, Rollup, ESBuild, SWC, Babel CI/CD: GitHub Actions, GoCD Your Journey to Joining Toss Bank: Application submission > Pre-assignment > Job Interview > Cultural Fit Interview > Reference Check > Compensation Discussion > Final Acceptance and Onboarding Important Notes: This position is a contract role with a duration of 1 year. If any false information is found in the resume or if disciplinary issues are confirmed in the work history, the employment offer may be revoked.

About Toss Insurance- Toss Insurance specializes in managing and selling insurance, focusing on reducing financial risks for customers and providing tailored coverage through a trust-based approach to insurance design aimed at achieving maximum customer satisfaction.- We strive to create a virtuous cycle where designers who provide excellent service from the customer's perspective can achieve greater results by building a consultation environment that focuses solely on customer satisfaction, without excessive sales pressure, and fostering a healthy insurance ecosystem.- Our goal is to develop an insurance management platform where agents, employees, and the company can grow together by providing an optimal IT infrastructure that allows everyone to fully utilize their expertise.About Your Future Team- As a Frontend Developer at Toss Insurance, you will collaborate with various colleagues to develop mobile products that are integrated into the Toss app, as well as an admin panel for managing user data.- Toss Insurance adopts an agile approach to product improvement, with teams engaging in product planning and brainstorming sessions roughly every 1-2 weeks. We rapidly formulate hypotheses, deploy products, gather feedback from customers, and refine our hypotheses based on that feedback.- The chapter of frontend developers collaborates organically across all Toss affiliates. Regular chapter meetings, including 'Tech Talks,' facilitate knowledge sharing on new technology topics and development know-how, as well as the development of common libraries for UI components and asynchronous processing.- You will be joining a team that includes another frontend developer. For insights into a day in the life of a Toss Insurance frontend developer, check out the article [How Does a Toss Insurance Frontend Developer Spend Their Day?](https://toss.im/career/article/insu_dailylog_Frontend_Developer).- For more on the Toss frontend chapter, see [All About Toss Frontend Chapter](https://tosspublic.notion.site/cc9367e44ff6424181899f3cf250f5d2).Your Responsibilities- You will create various screens within the Toss Insurance section of the Toss app, enabling customers to experience the best insurance coverage at the right price.- You will enhance the insurance consultation and customer management systems of Toss Insurance, allowing agents to consult effectively with clients. This role will provide you with extensive technical experience, from infrastructure to the customer-facing screens.- We are improving our frontend development environment to ensure that our web services are built and deployed in just one minute, all while providing the best user experience.Who We Want- We are looking for someone who can confidently develop stable services using React and TypeScript.- It’s important that you can define problems based on provided design guidelines and implement solutions swiftly.- We need someone who is proactive in identifying and analyzing problems to suggest effective solutions, rather than just completing assigned tasks.- Experience in improving legacy code to fit modern development environments or rapidly learning new tech stacks is a plus.Resume Tips- Instead of merely listing your experiences, please highlight the impact and learning points from your past work.- As we prioritize improving product quality based on customer feedback, we are looking for candidates who actively attempt to solve given problems.- If you have experience implementing complex services or demanding requirements, especially abstracting complicated or repetitive issues into simpler forms, please share.- Please mention any experience in gradually transitioning existing source code to a new codebase.Technologies We Use at Toss Insurance- Core: React, TypeScript, Next.js- State Management: React-Query, Recoil- Styling: Emotion- Package Managers: Yarn Berry, PNPM- Build: Webpack, ESBuild, SWC, Babel- CI/CD: GitHub Actions, CircleCI

ABOUT USXsolla is a leading global commerce company dedicated to empowering game developers with innovative tools and services. We address the unique challenges of the video game industry, partnering with developers from indie studios to AAA titles. Our mission is to create opportunities and provide resources that support the growth and success of creators. With our headquarters in Los Angeles, California, Xsolla acts as the merchant of record, assisting over 1,500 game developers worldwide in reaching wider audiences and maximizing their revenue potential. Join us as we pave the way for future gaming endeavors.For more information, visit xsolla.com.The Developer Evangelist – Community serves as the primary ambassador for Xsolla within the gaming developer community, fostering trust, engagement, and brand advocacy across both online and offline platforms. This pivotal role emphasizes the creation of technical content including coding tutorials, SDKs, APIs, and building strong community relationships to empower game developers in discovering and leveraging Xsolla’s products for their success.We are seeking a dynamic specialist based in the APAC region. The ideal candidate will possess a powerful blend of technical knowledge and exceptional communication skills, excel in partner-facing engagements, and be willing to travel frequently within the APAC region.As a storyteller and connector, you will translate complex technical concepts into engaging, accessible content while ensuring that Xsolla maintains a credible and influential presence in key developer communities.

Join a pioneering team at Tossplace, the only division within Toss dedicated to creating offline services, where we are shaping the future of the offline payment industry centered around physical devices.The Android Developer at Tossplace operates within a matrix structure, being part of both silo teams and the Android chapter.As a compact and agile organization, you will experience hands-on collaboration to influence technology direction and witness the real-world impact of our products.Our automated deployment process enables us to release updates weekly, allowing teams to focus on developing desired functionalities.Every Thursday, the Android chapter meets outside of their silos for Engineering Day, fostering active communication, sharing technical insights, and conducting code reviews.As an Android Developer, you will have a direct impact on services functioning across various device environments.In this role, you will:Develop and operate the entire offline payment process, from card reading to VAN approval, across silo teams.Create various Android products, including apps for payment terminals and business owner applications distributed via the Play Store.Implement Android features considering the unique characteristics of different devices, gaining experience in real-world development.Review PRs from team members to elevate code quality and share insights.Quickly assemble UI with Toss Design System (TDS) to easily implement great interactions, allowing you to focus on core logic.We are looking for candidates who:Have experience designing complex structures for Android commercial services, with a focus on scalability and maintainability.Possess experience improving code quality and productivity within a Kotlin-based Android codebase.Have designed UI structures and interactions to provide a consistent user experience across various device environments.Have a strong understanding of Android UI/UX guidelines.When applying, please highlight your experiences that demonstrate:A strong sense of responsibility for product quality and stability, along with a proactive approach to continuous improvement.Your deep engagement in enhancing customer value through a strong grasp of technology and domain knowledge.Your rich understanding of Android and mobile environments, focusing on optimized interface design.Technologies we use include Kotlin, Kotlin Coroutines, Jetpack Compose, and TDS.

Join Our Dynamic Team!As an Android Developer at Tossbank, you will be an integral part of both a squad/team and the Android chapter.We operate in squad-based units, where diverse professionals collaborate in a small startup-like environment, fostering autonomy and innovation.Every Thursday, we break out of our silos to engage in Engineering Day, where chapter members share knowledge, discuss technology, and conduct code reviews together.Your ResponsibilitiesCollaborate with Product Owners, Product Designers, Server Developers, and other roles to create and enhance the Tossbank Android app service.Tackle technical challenges related to web-app communication to ensure seamless service delivery.Utilize our unique Toss Design System (TDS) to swiftly complete UI designs, allowing you to focus on core logic.Take ownership of all Android development decisions and prioritize tasks effectively.Experience rapid iterations by releasing new features to over ten million users weekly.Who We're Looking ForA proactive individual with a strong sense of responsibility for product quality and stability, who has successfully led continuous improvements.A candidate who has immersed themselves in technology and domain knowledge to add value to customers' lives.An individual who aspires to design optimized interfaces based on a comprehensive understanding of Android and mobile platforms.Technologies We UseKotlinKotlin Coroutines, RxJavaView System, Jetpack ComposeTDS (Toss Design System)Model-View-WhateverApplication ProcessApplication Submission > Pre-assignment Test > Cultural Fit Interview > Reference Check > Final Acceptance

About the Team You Will Join The iOS Developers at Toss operate within a matrix structure that encompasses various silos, teams, and the iOS chapter. At Toss, services and products are developed within siloed teams of 6-8 diverse professionals, fostering an environment of autonomy akin to that of a small startup. Apart from the silos, there is a dedicated team focused on creating shared modules within the iOS code, emphasizing deep technical considerations, accessibility for individuals with disabilities, and security aspects, ensuring the creation of services truly for the customer. The iOS chapter hosts an Engineering Day every Thursday, allowing members to step outside their silos to engage in active discussions about technology, share development expertise, and conduct code reviews together. Your Responsibilities Upon Joining Contribute to the development of Toss’s super app, which offers hundreds of services including money transfers, asset management, credit management, loans, insurance, authentication, and payments. Work on innovative financial services being developed by Toss, such as Toss Bank and Toss Securities. Continuously challenge yourself and conduct various experiments to develop a safe and fast iOS application to enhance user financial experiences. Utilize a design and automation system that generates screens from defined models and a fully Swift project split into over 150 modules, allowing you to concentrate on core logic during development. Who We Want to Work With Ideal candidates will have over 3 years of experience in iOS development or possess equivalent skills. Proficiency in Swift development and experience with RxSwift are highly desirable. An understanding of iOS and Apple's design philosophy (HIG) is preferred. Strong comprehension of network and encryption algorithms is required. Familiarity with performance and stability improvement tools such as Instruments is advantageous. Resume Tips Please share any experiences where you demonstrated ownership and led your own projects or overcame challenging technical problems. We appreciate familiarity with testable code practices and experience in automation for testing and deployment. Let us know if you have experience in developing large-scale services. It's worth noting that some of our team members began their journey with RxSwift at Toss; we value solid fundamentals, logical thinking, and the ability to implement code more than specific technical stacks or frameworks. Technologies Used at Toss Multi-module App, Micro Feature Architecture, Example (Micro) App Swift Concurrency, RxSwift, Combine AutoLayout, FlexLayout, and more.

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.

Role overview Toss Careers seeks an iOS Developer based in Seoul to support the creation and upkeep of mobile applications. The position centers on adding features that enhance user experience and drive engagement. What you will do Design, build, and maintain iOS applications Collaborate with teams from different disciplines to plan and deliver new features Participate in all phases of the app development lifecycle