Junior Backend Engineer
You will develop and operate virtual asset deposit and withdrawal systems, analyze and integrate external blockchain L1 and L2 distributed systems, develop backend logic for asset-based services such as staking, and build secure API interfaces between key management systems and backend services.
Responsibilities
- Develop and operate virtual asset deposit and withdrawal systems
- Analyze new external blockchain L1 and L2 distributed systems
- Integrate external distributed systems with exchange systems
- Develop backend logic for asset-based services such as staking
- Integrate reward and settlement systems with exchange systems
- Develop and improve secure API interfaces between key management systems and backend services
Requirements
- 3 to 7 years of practical experience or equivalent understanding
- Proficiency in at least one of Java, Kotlin, Go, or Python and related frameworks such as Spring Boot
- Ability to design, develop, and operate stable and scalable backend systems
- Understanding of RDBMS and NoSQL characteristics, including MySQL and Redis
- Ability to design schemas and optimize queries for large-scale data
- Experience analyzing and improving system performance bottlenecks using computer science fundamentals
- Experience with Kafka or other event streaming platforms
- Experience designing or operating distributed systems
- Experience with Kubernetes and Docker in AWS or GCP environments
- Blockchain node integration or EVM development experience or interest
- Experience operating mission-critical financial or trading systems
- Ability to solve complex domain problems and collaborate with technical teams
Benefits
- Flexible start and end times
- Welfare points
- Commuting transportation support for night and holiday work
- Breakfast, lunch, and dinner provided
- Unlimited snacks and drinks
- Housing loan interest or rent support
- Childcare cost support for preschool children
- Holiday and Parents' Day gifts
- Health examinations for employees and family members
- Group accident insurance
- Company club activity support
- Resort and condominium accommodation support