14 of 14 Senior Java Software Engineer Jobs in the UK

Senior Java Engineer | Banking & Fintech | API Development | Temenos/T24 £130,000 (Depending on experience and interview performance) About the Company Our client is a leading Web3 financial platform revolutionising access to digital assets. Established in 2013, the company provides a seamless gateway to … billion for 10 million customers across 150+ countries, the company simplifies Web3 finance for individuals and businesses alike. The Role An experienced Senior Java Engineer is sought to develop APIs and integrate with Temenos/T24 banking systems. This role requires expertise in backend … Docker, Kubernetes). Work closely with product managers to deliver high-quality solutions. Participate in code reviews and contribute to best practices in software development. Required Skills & Experience 8+ years of Java development experience. 5+ years of experience in API development. Strong background in Temenos/ More ❯

Senior Java Engineer | Banking & Fintech | API Development | Temenos/T24 £130,000 (Depending on experience and interview performance) About the Company Our client is a leading Web3 financial platform revolutionising access to digital assets. Established in 2013, the company provides a seamless gateway to … billion for 10 million customers across 150+ countries, the company simplifies Web3 finance for individuals and businesses alike. The Role An experienced Senior Java Engineer is sought to develop APIs and integrate with Temenos/T24 banking systems. This role requires expertise in backend … Docker, Kubernetes). Work closely with product managers to deliver high-quality solutions. Participate in code reviews and contribute to best practices in software development. Required Skills & Experience 8+ years of Java development experience. 5+ years of experience in API development. Strong background in Temenos/ More ❯

An exciting opportunity has arisen for a Senior Java Software Engineer to join a highly reputable company whose software products are used by 1000's of customers across the UK. The company is committed to internal training and career progression … per week in the office on average) and their modern offices are easily accessible via London and surrounding areas. Responsibilities: Serve as a senior member of the Java Development team, mentoring junior members Serve as a key contributor in a Java, Spring, AWS, and … Microservices environment. Lead the redevelopment of existing products while enhancing functionality. Collaborate with offshore teams and engage with senior internal stakeholders. Adhere to DevOps best practices. Ensure compliance with SOLID principles. Technical Requirements: 7+ years of software development experience Commercial experience with Java, Spring More ❯

Senior Java Developer 🌍 £100k–£150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a … Senior Java Developer who has a PhD in Computer science and is passionate about new, advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without … energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in More ❯

Senior Java Engineer (~10+ YOE) Systematic Quant Fund | London | Up to £275k Total Compensation About the Role: Join a highly collaborative, London-based engineering team focused on building cutting-edge, memory-sensitive trading infrastructure using Java. This is an excellent opportunity to contribute to … firm provides flexible working arrangements, exceptional learning opportunities, and industry-leading compensation far above market rates. Key Responsibilities: As part of an elite Java Engineering team—including experts in JVM internals and performance optimisation—you’ll work on: Enhancing system performance by collaborating with quants and computer scientists …/GPU utilisation within the JVM. Developing real-time market data systems and bespoke tools for signal research. Leveraging the latest versions of Java (no legacy tech) with advanced JVM features, garbage collection tuning, and tools like Gradle and Maven. Requirements: Strong expertise in Java, including More ❯

Senior Java Engineer (~10+ YOE) Systematic Quant Fund | London | Up to £275k Total Compensation About the Role: Join a highly collaborative, London-based engineering team focused on building cutting-edge, memory-sensitive trading infrastructure using Java. This is an excellent opportunity to contribute to … firm provides flexible working arrangements, exceptional learning opportunities, and industry-leading compensation far above market rates. Key Responsibilities: As part of an elite Java Engineering team—including experts in JVM internals and performance optimisation—you’ll work on: Enhancing system performance by collaborating with quants and computer scientists …/GPU utilisation within the JVM. Developing real-time market data systems and bespoke tools for signal research. Leveraging the latest versions of Java (no legacy tech) with advanced JVM features, garbage collection tuning, and tools like Gradle and Maven. Requirements: Strong expertise in Java, including More ❯

Job Title - Senior Java Developer. Location: Manchester. Job Type: Permanent (Full-Time). Work Mode: Hybrid (2-3 Days per Week). NO SPONSORSHIP What You’ll Do: Develop and enhance software to deliver new features and improve existing functionality Participate in the entire … software development lifecycle (SDLC) and provide operational support Write clean, scalable, testable, and secure code following best practices Perform secure coding and ensure security standards. Integrate software components with third-party programs and cloud-based services Follow Agile methodologies (Scrum/Kanban) and contribute to continuous … programming, and mentoring of junior developers Maintain and improve development environments, operational services, and documentation What We’re Looking For: Extensive experience with Java and Spring. Strong knowledge of SQL and experience managing relational databases Solid understanding of enterprise application development and software architecture Experience with More ❯

A Systematic Trading firm is looking for a low latency Java engineer to build out a greenfield Securities platform You'll make use of highly sophisticated pricing, executions and liquidity management solutions. Day-to-day, you'll be writing highly efficient and scalable multithreaded Java … fund, FX market making, a securities arm as well as the systematic equities branch. Requirements: 10 years+ experience Strong background in low latency Java development BSc in Computer Science, Mathematics or similar Benefits: Up to £175,000 base, £300,000 total compensation Access to the best technology in More ❯

A Systematic Trading firm is looking for a low latency Java engineer to build out a greenfield Securities platform You'll make use of highly sophisticated pricing, executions and liquidity management solutions. Day-to-day, you'll be writing highly efficient and scalable multithreaded Java … fund, FX market making, a securities arm as well as the systematic equities branch. Requirements: 10 years+ experience Strong background in low latency Java development BSc in Computer Science, Mathematics or similar Benefits: Up to £175,000 base, £300,000 total compensation Access to the best technology in More ❯

Synechron are looking for an experienced (x8-10+ years) Senior Java Developer to join them on an exciting new programme. The permanent role will form part of a team building a complex, ground-up cloud-based critical market infrastructure service in a bold new venture for … a leading financial organisation. The experienced Java Developer will build, deliver and maintain the multiple components of a trade platform ensuring timely delivery of work items. Role: Resolve a high impact problem through in-depth evaluation of sophisticated architectures, business processes and industry standards as well as advisor … program initiatives in engineering excellence and learning and development Ensure work is well documented and communicated with stakeholder expectations managed Job requirements: Advanced Java programming experience Excellent understanding of microservices designs, its pitfalls, and best practice Knowledge of Domain Driven Design and event driven architecture Experience working with More ❯

Technical Lead/Lead Java Developer – Central Government Competitive Daily Rate (Inside IR35) 6 Months Initially Astraeus Consulting has an exciting opportunity for a number of Technical Leads to work on one of the largest and highest profile Central Government Programme, changing the face of public services with … and a clear focus on delivering quality, assured and secure services. Essential Skills Significant demonstrable experience in one or both of: Ø modern software engineering for digital products (ideally Java, microservice architectures, Hexagonal software architecture, Mongo and Kafka); Ø OR designing and implementing modern … best practice in version control, secure design practices, assurance. Significant demonstrable experience of collaboration & sharing of knowledge and good practice with the wider software engineering community. Significant demonstrable experience of working and leading in a complex, multi-disciplinary environment, delivering products within specific timescales and engaging with multiple More ❯

We’re Looking For: Essential : 3+ years in front office trading systems with an emphasis on low-latency development. 7 + years of Java Development experience, with strong knowledge of Multithreaded, lock-free coding solutions. Strong understanding of system architecture and design for performance. Experience with FX, Crypto … or Equity products. Proficiency in at least two programming languages (e.g., Java, Python, SQL, Rust). Solid mathematical skills. Preferred : Background in pricing and trading strategies. Quantitative research experience, Machine Learning knowledge. Expertise in low-latency systems and performance optimisation. What’s on Offer: Growth opportunities in a More ❯

We’re Looking For: Essential : 3+ years in front office trading systems with an emphasis on low-latency development. 7 + years of Java Development experience, with strong knowledge of Multithreaded, lock-free coding solutions. Strong understanding of system architecture and design for performance. Experience with FX, Crypto … or Equity products. Proficiency in at least two programming languages (e.g., Java, Python, SQL, Rust). Solid mathematical skills. Preferred : Background in pricing and trading strategies. Quantitative research experience, Machine Learning knowledge. Expertise in low-latency systems and performance optimisation. What’s on Offer: Growth opportunities in a More ❯

About the Role: Grade Level (for internal use): 10 The Team: S&P Global Ratings is looking for a Sr. Full Stack Engineer to join Structured Finance Value Stream. This team has a broad and expert knowledge of the Ratings organization's data domains, technology stacks, and architectural … degree in computer science, Information Systems, Engineering, or related technical degree. A minimum of 5-8 years of experience in application development. Strong Java/.NET Core skills with experience in development of concurrent and distributed systems. Basic knowledge of User Interface design & development using Angular, React, HTML5 … XML & CSS. Develop design and architecture exposure and ability to ensure quality across various technology components that are developed by geographically diversified software engineers. Experience writing SQL queries and understanding of data models. Experience in designing and implementing REST APIs & microservices-based solutions. Experience writing unit/integration More ❯