1,726 to 1,750 of 1,991 Java Jobs in the UK

Senior Quality Assurance Automation Engineer (Must have excellent Java coding skills) Perm 3 days a week on-site in London Up to £75,000 per annum A rapidly growing fintech organization is transforming access to finance for small and medium-sized businesses. With over £150 million lent through its proprietary credit platform, the company is redefining how business funding works … to expand its technology and product offerings. Key Responsibilities Design, develop, and execute comprehensive test cases for functional, system, and regression testing. Build, maintain, and adapt automation frameworks using Java, Selenium, and BDD tools such as JBehave. Perform manual testing as required to validate product features and workflows. Collaborate closely with developers to ensure robust coverage of microservices-based systems. … design. Provide input on QA strategy, tooling, and process improvements as the team scales. Role Requirements Strong background in software testing - both manual and automation. Excellent command of Core Java with the ability to write and maintain clean, scalable automation code (Ideally an ex Java developer) Hands-on experience with Selenium and BDD frameworks (e.g., JBehave). Exposure to Playwright More ❯

improvements, automation, and active engagement in testing communities What we’d love you to bring: A background in software testing and performance testing Experience with object orientated programming, preferably Java, Selenium and TestNg/Junit. Experience with API testing is also crucial. Must have experience in automation testing where you have actively created and maintained frameworks. Skilled in comprehending intricate … systems that include API, serverless options, legacy Java platforms, and databases. Skilled at unraveling complex frameworks encompassing API integration, serverless solutions, legacy java infrastructures, and databases Previous background working within high traffic, highly transactional online environments Experience of working in an agile, SCRUM & Dev Ops delivery model The Interview Process (subject to change): You’ll start with an introductory call More ❯

Job title: Software Engineer (C++, Python, Java or Rust) Client: Elite Prop Trading Firm Salary: £150,000 - £500,000 Base (+ Bonus) Location: London/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an … Requirements: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real-time systems (C Java) Experience writing software for massive scale (Up More ❯

Job title: Software Engineer (C++, Python, Java or Rust) Client: Elite Prop Trading Firm Salary: £150,000 - £500,000 Base (+ Bonus) Location: London/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an … Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real-time systems (C Java) Experience writing software for massive scale (Up More ❯

Software Engineer - Python/Java Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a Software Engineer to become part of the expanding team on, the ideal candidate will come from a Financial Services or Regulated Background, with strong skills in using Python, Java, and experienced of working with Cloud More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate - Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate - Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate - Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate Up to 700pd inside IR35 Senior Backend Developer - Up to 700pd Inside IR35 - Full Remote More ❯

will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate – Up to £700pd inside IR35 Senior Backend Developer - Up to £700pd Inside IR35 - Full Remote More ❯

work on cutting-edge technology where speed, scalability, and resilience are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40μs) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in … class E-trading platforms Ensure all solutions meet security, compliance, and performance standards What You’ll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in … business needs into scalable technical solutions Desirable Experience Leadership across multiple feature teams or complex projects Exposure to E-trading and real-time data platforms Experience with low-latency Java frameworks and performance monitoring Strategic input into enterprise or domain architecture More ❯

in developing Message Sets and Message Definitions using XML, MRM and TDS formats. Experience in developing message flows using Compute Nodes, SOAP Nodes, HTTP Nodes, Routing Nodes, Mapping Nodes, Java Compute Nodes, File Nodes (Input, Output, Read & Write) and Database Nodes. Experience in Programming Languages: Korn Shell scripts, PERL, Java, Ant, SQL, ESQL. Experience in working with Operating systems such More ❯

to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support real-time and end-of-day risk calculations. You will … and risk managers to develop scalable, high-performance platforms that process large datasets and support complex pricing and risk analytics across asset classes. Key Responsibilities Design, develop, and maintain Java-based risk platform components that support pricing, market data integration, and risk analytics. Collaborate with quantitative analysts and model developers to integrate risk models into production systems. Build robust data … contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk platforms, pricing systems, or valuation engines. Strong knowledge of object-oriented programming, data structures More ❯

App Developer Full Stack Developer Mid Level Finance FinTech Scaleup JavaScript Java TypeScript React React Native Spring Boot DDD TDD Manchester Hybrid £50,000 - £65,000 Are you a passionate Full Stack Developer looking to put yourself on a better career trajectory? Are you happy in your current role but would prefer more stability and more opportunities for growth? If … they have a great team and they want positive people with great potential to join the business! Desired experience: Frontend: JavaScript/TypeScript, React, React Native, DDD, TDD Backend: Java/JVM, Spring Boot, Spring Cloud AWS If the above doesn't excite you enough, take a look at some of their brilliant benefits: £50,000 - £65,000 base salary … Click the apply button to be considered for the role, or for more information, drop me a message! App Developer Full Stack Developer Mid Level Finance FinTech Scaleup JavaScript Java TypeScript React React Native Spring Boot DDD TDD Manchester Hybrid More ❯

App Developer | Full Stack Developer | Mid Level | Finance | FinTech | Scaleup | JavaScript | Java | TypeScript | React | React Native | Spring Boot | DDD | TDD | Manchester | Hybrid | £50,000 - £65,000 Are you a passionate Full Stack Developer looking to put yourself on a better career trajectory? Are you happy in your current role but would prefer more stability and more opportunities for growth? If … they have a great team and they want positive people with great potential to join the business! Desired experience: 💻 Frontend : JavaScript/TypeScript, React, React Native, DDD, TDD 💻Backend : Java/JVM, Spring Boot, Spring Cloud AWS If the above doesn't excite you enough, take a look at some of their brilliant benefits: 💷 £50,000 - £65,000 base salary … Click the apply button to be considered for the role, or for more information, drop me a message! App Developer | Full Stack Developer | Mid Level | Finance | FinTech | Scaleup | JavaScript | Java | TypeScript | React | React Native | Spring Boot | DDD | TDD | Manchester | Hybrid More ❯

NHS or Government experience essential We're seeking a mid-to-senior level Backend/Infrastructure Engineer to join a 6-month engagement focused on maintaining and upgrading a Java/Oracle-based system . You'll work closely with existing developers to understand the system and business processes, while sharing your expertise in modern cloud-based development practices. Key … Responsibilities Maintain and enhance a Java monolithic application with an Oracle PL/SQL database . Pair with current developers to transfer knowledge and improve processes. Contribute to modernisation efforts by applying TDD, Agile, and CI/CD principles. Provide 3rd line support , with a proactive approach to streamlining and automating support tasks. Ideal Candidate Profile Strong backend development experience More ❯