Software Engineer

Kotlin Software Engineer

An exciting eCommerce company is looking for an experienced Backend Kotlin Developer to join their team on a contract basis.

What you’ll need:

Strong commercial experience with Kotlin

Backend development expertise building scalable APIs & microservices

http4k

Strong understanding of distributed systems & performance optimisation

TDD, CI/CD

Tech stack & ways of working:

• Kotlin, http4k, Handlebars

• Integrations with Salesforce and internal authentication/entitlement services

• Pragmatic engineering culture with pairing, TDD, trunk-based development, and CI/CD cloud deployments

• Responsible use of AI-assisted development tools (OpenCode / GitHub Copilot)

Start: June 2026

Contract: Up to £600p/d outside IR35

Location: 2 days a week in London

If you’re an experienced Kotlin backend engineer looking for your next contract opportunity, get in touch.