Java Developer at Korn Ferry, London, £450-£500 per day

Java Developer with AI experience to build, integrate, and scale intelligent applications. The ideal candidate has strong Java Back End skills and hands-on experience working with AI-assisted development tools such as Claude or Cursor, as well as integrating AI/LLM capabilities into real-world systems.

You will collaborate with product, data, and engineering teams to deliver high-quality, AI-enabled solutions that are scalable, secure, and production-ready.

• Design, develop, and maintain Java-based Back End services and APIs

• Build and integrate AI-powered features using LLMs and related services

• Leverage AI coding tools (Claude, Cursor, or similar) to accelerate development and improve code quality

• Integrate AI services via REST APIs, SDKs, or custom pipelines

• Optimize application performance, scalability, and reliability

• Write clean, maintainable, and well-documented code

• Participate in code reviews, architecture discussions, and technical decision-making

• Collaborate closely with cross-functional teams to translate business requirements into technical solutions

• Strong proficiency in Java (Java 8+), with solid understanding of OOP and design patterns

• Experience with Spring/Spring Boot and RESTful API development

• Hands-on experience integrating AI/LLM solutions into applications

• Practical experience using Claude, Cursor, or similar AI-assisted development tools

• Familiarity with prompt engineering and AI-assisted workflows

• Experience with relational and/or NoSQL databases (eg, PostgreSQL, MySQL, MongoDB).

This is an initial 3 month engagement working one day a week in the client's London office paying £500/day Outside IR35

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 our website