Card issuing service
Built card lifecycle APIs with Spring Boot and Kotlin coroutines.
KotlinSpring BootPostgreSQL
Kotlin Backend Developer with 6 years of experience shipping production software. Builds concise, well-tested Spring services in Kotlin. Strongest in Kotlin, Spring Boot, PostgreSQL. Comfortable owning a module end to end and joining client calls.
Built card lifecycle APIs with Spring Boot and Kotlin coroutines.
Moved Java fare logic to Kotlin with 95% test coverage.