17 of 17 Permanent Java Engineer Jobs in the Thames Valley

Engineer (Java JVM) London/WFH to £110k Are you a Site Reliability Engineer with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global CFD trading company that has been consistently voted … employers. As an SRE Engineer you will collaborate with development teams, as a trusted technical advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We're partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … such as e-commerce search functionality, streaming platform logins, or other large-scale consumer-facing systems. What We're Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction … performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools ...

Java Developer Join a high-impact Core Technology team at a leading hedge fund. About the Company This firm is a major player in the space, a multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise … with advanced software engineering to manage institutional capital globally. What You'll Do Design and build high impact internal systems using Java Own projects end-to-end: from architecture to deployment Collaborate with analysts to solve real-world business problems Support and mentor junior team members on coding ...

Senior Java Developer – London (Hybrid: 2 Days Onsite) We're partnering with a leading global organisation that is scaling its engineering function and looking for a Senior Java Developer to join their London team. If you're passionate about building data-driven platforms, enjoy solving complex challenges … want to work with modern cloud-native technologies, this is the role for you. What You'll Be Doing Designing, developing, and maintaining scalable Java applications using strong OOP principles. Playing an active role in requirements gathering and design workshops, contributing ideas and identifying gaps. Mentoring and pairing with ...

release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise in Core Java, Spring Framework/Spring Boot, or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures. Solid understanding of multi-threaded ...

technical freedom of a start-up. The Challenge: Innovating Platform Reach, UX, and AI We are looking for a highly capable Full-Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas: 1. Enterprise Integration: Designing and implementing features … balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/ ...

technical freedom of a start-up. The Challenge: Innovating Platform Reach, UX, and AI We are looking for a highly capable Full-Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas: 1. Enterprise Integration: Designing and implementing features … balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/ ...

technical freedom of a start-up. The Challenge: Innovating Platform Reach, UX, and AI We are looking for a highly capable Full-Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas: 1. Enterprise Integration: Designing and implementing features … balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/ ...

technical freedom of a start-up. The Challenge: Innovating Platform Reach, UX, and AI We are looking for a highly capable Full-Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas: 1. Enterprise Integration: Designing and implementing features … balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/ ...

technical freedom of a start-up. The Challenge: Innovating Platform Reach, UX, and AI We are looking for a highly capable Full-Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas: 1. Enterprise Integration: Designing and implementing features … balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/ ...

Overview We are seeking an experienced Senior Java Developer to join our fast-growing consultancy team of 300+ professionals. This role blends advanced technical expertise with strong communication, stakeholder management, and leadership skills. You will work closely with clients to understand their needs, design high-quality solutions, and deliver … senior consultant, you will guide teams, contribute to architectural decisions, and ensure successful project delivery. Key Responsibilities Technical Delivery Design, develop, and maintain Java-based applications using modern frameworks, best practices, and AI technologies. Implement scalable architectures, RESTful services, microservices, and integration layers. Produce clean, maintainable, and well-tested ...

genuinely matters. You'll join an agile, client-embedded team delivering modern, scalable systems. Your work will include: Designing and building backend services using Java (12+) and Spring Boot Contributing to front-end development (ideally Angular, though React is welcome) Working across the full SDLC: requirements, build, test, deploy … Azure, Docker, CI/CD) Hybrid working, with on-site collaboration when it adds value. You'll likely be a mid-level full stack engineer who: Has strong commercial experience with Java and modern frameworks Is comfortable being client-facing and explaining technical decisions Enjoys working across backend ...