Lead Backend Systems Developer

Flexton Inc. • Bengaluru, Karnataka • Posted May 25, 2026

About the Role

Senior Backend Engineer (Java/Kotlin/Spring Boot)


Location

  • Offshore – Remote from India
  • Working Hours: 3:00 PM – 12:00 AM IST
  • Long term Contract


We are currently hiring Senior Backend Engineer to help modernize and rebuild a critical internal customer agent platform currently operating on a legacy technology stack. The existing databases will remain intact, while the engineering team designs and builds modern APIs and backend services to efficiently expose and retrieve data.


What You’ll Do

  • Design, develop, and maintain scalable backend services using Java, Kotlin, and Spring Boot 3+
  • Build modern REST and GraphQL APIs to replace legacy system components
  • Work with relational databases such as PostgreSQL and/or Google Spanner