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Senior Backend/Platform Engineer - Java

Flexton Inc.

5 - 10 years

Bengaluru

Posted: 20/04/2026

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Job Description

Job Title: Senior Platform Engineer (Backend)


Location

  • Offshore Remote from India
  • Working Hours: 3:00 PM 12:00 AM IST

Compensation

  • Up to 35 LPA


Core Tech Stack

  • Languages: Java / Kotlin (JVM ecosystem)
  • Framework: Spring Boot 3+
  • Cloud: GCP (Google Cloud Platform)
  • Databases: PostgreSQL, Spanner
  • Monitoring: New Relic
  • APIs: REST, GraphQL (Apollo Federation)
  • Security: OAuth 2.0


Nice to Have

  • Kubernetes
  • Iterable, SendGrid
  • Exposure to AI coding tools

Key Responsibilities

  • Design and build scalable backend services using Java/Kotlin and Spring Boot
  • Develop modern APIs (REST + GraphQL) to replace legacy components
  • Work with PostgreSQL / Spanner for high-performance data access
  • Deploy and manage services on GCP
  • Implement secure authentication & authorization (OAuth 2.0)
  • Use New Relic for observability and performance monitoring
  • Collaborate across teams while maintaining strong IC ownership


Ideal Candidate Profile

  • Strong experience in platform engineering / core backend systems
  • Background in:
  • Core services development
  • Shared libraries / frameworks
  • Infrastructure-facing backend systems
  • Experience building:
  • Robust, scalable, developer-friendly services
  • Comfortable working on:
  • Complex system design & architecture

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