AI Engineer & Java Developer - Fintech/Challenger Bank

AI Engineer & Java Developer - Fintech/Challenger Bank

Posted Today by Gravitas Recruitment Group Ltd

£650 Per day
Outside
Hybrid
London, UK

Summary: The role of AI Engineer & Java Developer involves working for a Fintech Challenger Bank in London, focusing on AI tooling and Java development within a startup environment. The ideal candidate should have hands-on experience with Claude or Codex AI tools and Java development using Spring Boot. This position emphasizes proactive work and technical self-sufficiency, particularly in delivering Savings products. The contract is for an initial duration of 6 months with a hybrid working arrangement.

Key Responsibilities:

  • Develop and support Savings products within the engineering function.
  • Utilize Claude or Codex AI tooling and Java development skills.
  • Work proactively and independently in a startup/scaleup Fintech environment.
  • Engage in design and architecture related to Java development.
  • Implement and integrate ISA products as needed.

Key Skills:

  • Experience in Fintech, particularly in startup/scaleup Challenger Banking/Payment Services.
  • Strong hands-on Java development and coding skills.
  • Proficiency in Spring Boot.
  • Experience with AI tooling and Agentic AI, specifically Claude or Codex.
  • Desirable experience with ISA implementations/integrations.

Salary (Rate): £650 per day

City: London

Country: UK

Working Arrangements: hybrid

IR35 Status: outside IR35

Seniority Level: Mid-Level

Industry: IT

Detailed Description From Employer:

AI Engineer & Java Developer - Fintech/Challenger Bank, LTD CO OUTSIDE IR35, 6 months, London Hybrid

Our Fintech Banking Payment Service client based in London seeks a proactive, hands-on AI Engineer with Claude or Codex & Java Developer with solid expertise in Claude or Codex AI Tooling, Agentic AI, Java Development using Spring Boot within a Fintech Challenger Bank setting.

The ideal candidate MUST HAVE previous experience working in a startup/scaleup Fintech Financial Services environment. Any ISA product implementation/integration experience is an advantage but not essential. AI skills in Codex, Claude is highly sought as my client is looking for someone who is an AI Enthusiast.

Our client is hiring a hands-on Java Developer to support delivery and development of Savings products within their engineering function. The emphasis is on people who can work proactively and be technically self sufficient and key skills again are Java, Spring Boot, AI Tooling, Agentic AI with some Design & Architecture.

Required Experience for the Senior Java Developer is as follows:

  • Fintech experience, ideally start up/scale up in Challenger Banking/Payment Services (ISA, Savings) etc.
  • Strong hands-on Java development and coding with some design & architecture.
  • Spring Boot experience
  • AI Tooling & Agentic AI with good Claude or Codex skills
  • Highly Desirable is Development experience with ISA implementations/ISA integrations

This is a 6 month initial contract with 2 days/week on site in London.