Back-End Engineer (any gender)

Job Description

Innovative fintech start-up revolutionizing post-trade by centralizing access to clearing and settlement across the UK and EU into a ledger-based single API infrastructure.

We are seeking a highly skilled back‑end engineer with a strong background in Java and extensive experience in API infrastructure development. You’ll join a fast‑paced startup environment, collaborate with cross‑functional teams, and help build cutting‑edge financial products powering the future of capital markets.

Location

London (preferred) or remote — within EMEA time zones

What You’ll Do

• Design, develop, and maintain scalable, robust API infrastructure
• Implement and optimize Java‑based server‑side logic
• Collaborate with cross‑functional teams to define, design, and ship new features
• Develop responsive front‑end interfaces using modern web technologies (as needed)
• Ensure performance, quality, and responsiveness of applications
• Conduct code reviews; write unit/integration tests; support CI/CD practices
• Troubleshoot and debug issues across the stack
• Stay up‑to‑date with industry trends to keep solutions competitive

What We’re Looking For

• 5+ years of professional experience as a Back‑End Engineer
• Strong Java proficiency and experience with frameworks (e.g., Spring, Hibernate)
• Strong experience developing and maintaining RESTful APIs
• Database experience (e.g., MySQL, PostgreSQL, MongoDB)
• Cloud and containers: AWS, Azure, GCP; Docker; Kubernetes
• Strong software engineering fundamentals, design patterns, and best practices
• Excellent problem‑solving skills, proactive attitude, strong communication and teamwork

Nice to have

• Exposure to FIX systems / integrating with FIX connectivity
• Fintech experience (post‑trade / trading infrastructure: execution, settlement, reconciliation)
• Security best practices
• Open‑source contributions
• Exposure to DLT technology

How You Work

• Problem‑solving mindset; comfortable in a fast‑paced startup environment
• Collaborative, practical, and delivery‑oriented
• Takes ownership and ships high‑quality work

Why This Role

• Competitive salary and equity packages
• Flexible working hours and remote work options
• Opportunities for professional growth and development
• Collaborative and inclusive company culture
• Chance to make a significant impact in fintech

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