Freelance Senior Java Engineer

Darwin Recruitment

Remote (Global) Freelance Senior 2w ago

About the role

About

We are looking for a Freelance Senior Java Engineer to join a new Payments Team working across payment-related services and integrations within a wider platform organisation.

This is a small, fast-moving team where engineers are expected to work independently, communicate proactively, and contribute with a strong ownership mindset.

AI-Driven Development

The team follows an AI-first engineering workflow. Candidates should have practical experience using AI tools to support software development

Refining requirements/specifications
Generating implementation support with AI
Reviewing and validating AI-generated code

Requirements

Strong Java experience with Spring Boot
Experience working in AI-assisted development (Claude, Gemini, Cursor, Copilot is all relevant.)
Experience with spec-driven development workflows
Comfortable working autonomously with minimal supervision

Nice to have: Fintech or payments domain experience