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Backend Software Engineer (Java) - FinTech

Client Server — United Kingdom · Posted ~3 hours ago

Senior Full-time Onsite Visa History ✓

Skills

Java backend development multithreaded programming financial markets trading systems real-time systems latency optimization C++ Claude

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Summary ✨ AI‑Generated

A scaling financial technology organization is seeking a hands-on Backend Software Engineer with strong Java expertise to modernize a complex legacy trading platform. You will build robust, secure, low-latency, real-time systems and collaborate with front-office trading teams and experienced engineers. Strong multithreaded Java development and knowledge of financial markets and trading systems are essential.

Highlights

Work on technically challenging real-time financial systems, modernize a complex legacy platform, and collaborate closely with trading and highly skilled engineering teams. The role offers strong compensation and opportunities for senior-level technical growth.

Description

Backend Software Engineer / Developer (Java) Newcastle onsite to £120k Do you have expertise with backend Java development within finance / trading environments? You could be progressing your career in a senior, hands-on Java Developer role at a scaling FinTech. As a Backend Software Engineer you'll play a key role in a new client engagement to transform a highly complex C++ legacy trading system into a modern Java based application. You'll collaborate with Front Office trading teams as well as other highly skilled software engineers and product teams to deliver robust, secure, real-time trading systems using Java and Claude. Location: You'll join the team in Central Newcastle offices on a fulltime basis (Monday to Friday). About you: You have strong backend, multithreaded Java development experienceYou have a strong knowledge of financial markets and have previous experience of working on trading systemsYou have a good understanding of real-time system development and latencyYou're comfortable using AI tools such as ClaudeYou're collaborative and pragmatic with client facing communication skillsYou're naturally curious and have advanced critical thinking and problem solving skillsAn understanding of C++ would be of benefit but it's not essentialYou have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level What's in it for you? Alongside a highly competitive package, you'll gain the opportunity to work on technically demanding systems, collaborate with exceptional engineers, and play a meaningful role in the growth of a business that is still small enough for your contributions to have a visible impact. Salary to £120k + Bonus25 days holidayBupa healthcareGenerous pension contributionContinuous career development opportunitiesSocial team atmosphere with a range of events Apply now to find out more about this Backend Software Engineer / Developer (Java) opportunity.