Lead Java Software Developer (Fintech)

TL;DR

Lead Java Software Developer (Fintech): Building high-performance backend services and external integrations for a sports betting hedge fund with an accent on scalability, systematic trading models, and cloud infrastructure. Focus on leading a team, contributing to greenfield projects, and solving complex concurrency and data challenges in a fast-paced environment.

Location: Must have existing right to work in the United Kingdom

Salary: £80,000–£120,000

Company

A cutting-edge sports betting hedge fund startup operating at the intersection of technology and quantitative research.

What you will do

• Build external integrations with betting exchanges and data providers.
• Develop and maintain scalable backend services using Java.
• Support and enhance systematic trading models.
• Contribute to greenfield projects and architectural decisions.
• Work across modern cloud and DevOps environments.
• Manage and mentor a growing engineering team.

Requirements

• 8+ years of commercial Java development experience.
• Must have existing right to work in the UK (no sponsorship provided).
• Degree in Computer Science, Engineering, or a related field.
• Experience with React, Next.js, and TypeScript.
• Strong knowledge of RESTful and streaming API integration.
• Proficiency in AWS and Linux environments.

Culture & Benefits

• High-impact role with significant ownership in a fast-growing startup.
• Opportunity to work alongside world-class quantitative researchers and engineers.
• Exposure to complex greenfield engineering challenges.
• Clear career progression opportunities within a highly technical environment.