FX Linear Client & Trading - Full-stack Developer
12-month contract (inside IR35, up to £520/day) for a senior full-stack developer on a London-based engineering team building and scaling software for a major FX trading business. Day-to-day: end-to-end feature ownership across Java/Kotlin, Spring Boot, Kafka, React and TypeScript on Azure/Kubernetes, hybrid 3 days/week in office.
- Compensation
- £520 / day
- Location
- London, United Kingdom
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Contract
- Experience
- Not specified
- Category
- Fullstack
- Posted
Skills
Must have
- Strong Java and/or Kotlin development experience
- Spring Boot, Kafka and Project Reactor
- Experience building REST and WebSocket/streaming APIs
- Strong React & TypeScript front-end development
- Kubernetes & Azure
- Experience with Grafana, Prometheus and/or Splunk
- Playwright or similar automated testing experience
- Strong experience using modern AI-assisted development tools
Full description
Contract: 12 months
Rate: Up to £520 per day, Inside IR35
Working Pattern: Hybrid - 3 days per week in the London office
We are looking for an experienced Senior Full Stack Developer to join a London-based engineering team responsible for designing, building and scaling strategic software products supporting a major Foreign Exchange (FX) trading business.
Key Responsibilities
- Design, develop and enhance strategic applications supporting FX trading.
- Take end-to-end ownership of features from inception through to production.
- Break complex product requirements into manageable technical deliverables.
- Build scalable Server Side applications and Real Time APIs.
- Develop high-quality, performant user interfaces using React and TypeScript.
- Identify opportunities to improve application architecture, code quality and performance.
- Contribute to architectural discussions and technical decision-making.
Key Requirements
- Strong Java and/or Kotlin development experience
- Spring Boot, Kafka and Project Reactor
- Experience building REST and WebSocket/streaming APIs
- Strong React & TypeScript Front End development
- Kubernetes & Azure
- Experience with Grafana, Prometheus and/or Splunk
- Playwright or similar automated testing experience
- Strong experience using modern AI-assisted development tools
About Korn Ferry
Korn Ferry unleashes potential in people, teams, and organizations. We work with our clients to design optimal organization structures, roles, and responsibilities. We help them hire the right people and advise them on how to reward and motivate their workforce while developing professionals as they navigate and advance their careers. To learn more, please visit Korn Ferry at www.Kornferry.com