About the job
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, Gradle
- Netty, Spring MVC, Spring Webflux, Spring Boot, Spring Cloud Gateway, Spring Cloud Config
- JPA/Hibernate, MySQL, MongoDB, Hadoop, Redis, Memcached, etc.

