Greater London, UK
16 days ago
Senior Backend Engineer
Full-stack Java Developer – Greenfield Trading System

Location: Finsbury Square, London (Office-based, Monday to Friday)

Salary Range: £60,000 – £80,000

Are you a talented and enthusiastic Full-stack Java Developer looking to build a brand-new trading system? My client, a leading FCA-regulated trading brokerage, is seeking a skilled developer to join a growing team of experienced technologists and finance professionals. This role offers opportunities for technical ownership from day one as you work on a system built in Java and React Native.

Why Join This Opportunity? Greenfield Project: Work on a brand-new system with no legacy tech debt. Direct Impact: As you contribute to a mission-critical flagship product, your work will directly shape the company’s future. Growth Potential: Join the team early with the potential to grow into a team lead as the team expands. Unique Culture: Experience a start-up culture while being part of a well-established and reputable group. Embrace AI: My client is a strong believer in AI applications in Finance and is constantly looking for innovative ideas while remaining compliant and risk aware. Key Responsibilities: Develop, design, and maintain high-quality, scalable, and secure trading applications. Write clean, scalable, testable, and maintainable code. Implement APIs and seamlessly integrate third-party services. Actively contribute to code reviews. Support deployment and release processes and troubleshoot production issues. Skills and Qualifications:

Required Qualifications:

Bachelor’s degree in Computer Science, Information Systems, or a related technical field. A minimum of 5-8 years of experience in application development. Strong Java / Spring / SpringBoot skills. Strong command of SQL (PostgreSQL is preferred) and ORMs (Hibernate/Spring Data). Experience in designing and implementing REST APIs. Experience writing unit/integration tests. Proficient with software development lifecycle (SDLC) methodologies. Proficiency in the development environment, including IDE, web & application server, GIT, Jira, unit-testing tools, and defect management tools.

Additional Preferred Qualifications:

Exposure to / understanding of Front-End on web and mobile. Experience in building low-latency trading systems. Working knowledge of AWS cloud. Experience in DevOps development and deployment using Docker and containers. What My Client Offers: Competitive salary and performance-based bonus. Opportunities for professional growth and career advancement. Contributory pension scheme. A collaborative, innovative, and open culture work environment.

Eligibility: The candidate should be eligible to work in the UK; visa sponsorship is not provided.

If you are a passionate Full-stack Java Developer ready to contribute to a cutting-edge greenfield trading system, we encourage you to apply!

*Rates depend on experience and client requirements

Job InformationJob Reference: JO-2505-353838Salary: £60000.00 - £80000.00 per annumSalary per: annumJob Duration: Job Start Date: 31/07/2025Job Industries: Software EngineeringJob Locations: Greater LondonJob Types: Permanent
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