Source Code Technologies LLC
Source Code Technologies LLCVerified Source

Java Developer, Kotlin & Swift - backend, Spring Boot & microservices

Onsite · San Francisco, California
Posted August 14, 2026
contract

Overview

java developer role focusing on backend systems at scale with Kotlin and Swift/iOS experience. You will own services built on spring boot and microservices architecture, collaborating with frontend and mobile teams. This onsite contract role is based in Fremont, CA with4 days per week in the office. You will join a cross functional team delivering reliable backend solutions with a focus on maintainability and performance.

What You'll Do5

  • 1Build scalable backend services using spring boot and microservices to support product features
  • 2Design and implement robust APIs and data models to enable mobile integrations
  • 3Collaborate with frontend, mobile, and QA teams to deliver end to end features
  • 4Debug and optimize performance of critical backend components
  • 5Ship production ready code and participate in code reviews to ensure quality

Requirements5

  • 17+ years of backend development with Java/J2EE
  • 2Hands on experience with kotlin and swift for mobile integration
  • 3Strong experience with spring boot and microservices
  • 4Proven ability to work onsite in Fremont, CA
  • 5Contract role with preference for local candidates

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationSan Francisco, California

Required Skills

javakotlinswiftspring bootmicroservices
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