
Senior Java Developer – London – Fintech
Adaptive Financial Consulting9 hours ago
London, United KingdomSenior
Responsibilities
- Develop server-side software and capital markets products using Core Java and JVM technologies.
- Solve complex technical challenges in cloud-based and event-driven architectures.
- Build and enhance front-office financial systems, e-trading, FIX, OMS/EMS, and Exchange systems.
- Contribute to products including Aeron, Hydra, Artio, and Aeron Sequencer.
- Participate in technical interviews and a pair programming assessment as part of the hiring process.
Requirements
- Significant professional server-side software development experience.
- Solid Core Java programming experience; exposure to Java 25 or later is preferred.
- Experience developing front-office financial systems, e-trading, and FIX.
- Experience delivering OMS, EMS, or Exchange systems.
- Exposure to equities trading and brokerage.
- Familiarity with data structures such as sets, hashes, and caches, plus dependency injection or inversion of control.
- Experience working in collaborative Agile environments, including Scrum or Kanban.
- Experience in the fintech industry and a willingness to collaborate, share knowledge, and solve complex technical problems.
Benefits
- Permanent employees receive 25 days of holiday, family medical and dental coverage, a pension plan, season ticket loan, gym subsidy, life insurance, long-term disability insurance, and an Employee Assistance Plan.
- The role offers a highly flexible hybrid working model, well-being benefits, and diversity and inclusion programmes.
- Contractors work under contracts outside IR35.
- The hiring process consists of three stages: recruiter discussion, a Zoom interview with a Java colleague, and a face-to-face or Zoom interview with a pair programming task.
About Adaptive Financial Consulting
Adaptive Financial Consulting designs and delivers custom, cloud-native trading platforms and front-office systems for capital, commodity, and digital asset markets. The privately held firm earns revenue through software engineering and consulting engagements, and offers accelerators such as Hydra for real-time trading while using technologies like Aeron for low-latency messaging. Founded in 2012 and headquartered in London, it supports clients globally from offices including New York, Barcelona, Montréal, and Manila.