Senior Java Developer – London – Fintech

In this role you will advance high-performance capital markets solutions as part of Adaptive’s front-office technology stack. You will work on server-side systems, focusing on cloud-based and event-driven patterns to deliver OMS/EMS/Exchange capabilities and FIX-based trading functionality. You’ll join a collaborative culture that values knowledge sharing and professional growth, contributing to transformational fintech products such as Aeron, Hydra, and Artio. This is an opportunity to influence scalable trading infrastructure in a global team.

• 25 days holiday
• Family medical and dental
• Pension plan
• Season ticket loan
• Gym subsidy
• Life insurance

• Develop and maintain server-side components for front-office trading systems
• Contribute to E-Trading, FIX, and OMS/EMS/Exchange implementations
• Work with cloud-based architectures and event-driven patterns
• Collaborate in an Agile environment (Scrum/Kanban)
• Integrate with bespoke accelerators like Aeron, Hydra, Artio
• Participate in design discussions and peer programming when appropriate

• Significant professional server-side software development experience
• Solid experience programming using Core Java (Java 25+ a plus)
• Familiarity with data structures (sets, hashes, caches)
• Experience developing Front Office financial systems, E-Trading and FIX
• Experience delivering OMS/EMS/Exchange systems
• Exposure to equities trading and brokerage
• Knowledge of dependency injection patterns
• Experience in Agile environments (Scrum, Kanban)

• collaborative mindset
• knowledge sharing
• problem-solving orientation
• Core Java (Java 8+; Java 25+ a plus)
• Front Office systems development
• E-Trading and FIX knowledge