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Back End Developer / SRE (Java JVM) London / WFH to £110k. Are you a Back End Developer / SRE with a strong knowledge of Java and JVM internals?. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and

What you’ll do Build scalable, event-driven Java/Spring Boot services Own the full lifecycle: design → deploy → run Work on real-time customer messaging systems Collaborate across engineering, platform, and product teams What we’re looking for Strong Java + Spring Boot exper

Java(817),SpringBoot,andmicroservices.

Full Stack Java Developer (Contract | Hybrid Edinburgh). I’m hiring a strong Full Stack Developer for a live programme | heavy focus on Java + modern cloud engineering. Java, Spring Boot, REST APIs, React, JavaScript, SQL, OAuth2/OIDC, Docker, Kubernetes, CI/CD.

Core Languages Java JavaScript HTML CSS. Architecture Patterns and Styles, Java. FrontEnd Create user interfaces and layouts using HTML CSS JavaScript and modern frameworks React Angular.

Java Developer (SC Eligible or SC Cleared)Reading (Hybrid)Permanentto £75,000 (DOE)Java Backend Developer needed SC Eligible (Li

If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you.SQL planning/interception, and high-throughput services that sit on the.Build core backend services in.SQL parsing, planning, validation, and transformation.Contribute to architecture de

A leading tech consultancy in the United Kingdom is seeking a Java Developer for a cloud services project. The ideal candidate will possess strong Java and cloud services experience and will be involved in all software development lifecycle stages.

A leading technology company is looking for a Senior Java Developer in the United Kingdom to contribute to a greenfield development project for a low-latency electronic trading platform. Candidates should have over 5 years of core Java experience and familiarity with trading systems.

Strong Core Java 8+/Java EE design skills, including design patterns. Familiarity with OpenAI APIs, Agentic AI technologies, LangChain, RAG, AutoGen, NLP, Java, Python, REST, telemetry, security, and auditability. The tech stack includes Java/Spring Boot on AWS infrastructure, delivering this soluti

A global technology transformation partner in London is seeking a Java Fullstack developer proficient in AngularJS and ReactJS. Candidates should have strong experience in Java, Spring Boot, and various databases.

We encourage our developers to think beyond a single component to build complete system solutions. Write unit and integration tests for your Java code. Develop deployment systems for Java based systems.

Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract. Java backend development (Java 17+). Java + Spring Boot / Spring Data / Spring Cloud.

A leading tech company in Greater London is looking for an experienced Java Developer to design and build high-quality applications using Java/JEE and modern web technologies.

FX Risk Java Developer - VPCiti’s Markets technology team is growing at lightning speed, and we’re looking for talented technologists to help build the future of global banking. Join us if you:* Feel passion about writing distributed, high performance and resilient Java applications* Want to

Lead Java Developer - FX Options Realtime Risk. Contribute hands‑on using our tech stack: Java, CouchbaseDB, Kafka, Apache Storm. Strong hands‑on expertise in Java, especially in the context of distributed systems and real‑time data processing.

A leading software company in Greater London is seeking a senior Java or C++ developer to join their Software Development team in Surbiton.

As a Java Developer you will lead the design and development of payment service features in close collaboration with the team. You will mentor junior developers and actively contribute to agile ceremonies by demoing and documenting your work.

A leading financial institution in London is seeking a Java Developer to design, develop, and enhance high-performance connectivity applications for Futures and Options trading. The ideal candidate will have experience in Core Java and financial protocols like FIX. This role requires expertise in Ja

You should be experienced in Java and Spring, confident with CI/CD pipelines, and familiar with containerisation using Docker or Kubernetes. We are looking for a DV-cleared Java Engineer to join a highly skilled engineering team working on complex, mission-critical software systems.

A global analytics firm is seeking a connectivity developer with strong expertise in Core Java to design and implement market connectivity solutions.

Join our team to develop Java‑based applications for advanced submarine systems in the Defence sector. This is an exciting opportunity to work on mission‑critical software that underpins naval operations, applying your expertise in Java, Agile development, and system modelling to deliver robust,

We are seeking an experienced Java API Developer to join our Digital Asset development team. Hands‑on experience deploying and operating containerized Java microservices on Kubernetes (e. Design, develop, and maintain Java backend services and REST APIs that support digital asset product flows (cu

A strong background in software development using Java, Kotlin, or similar.

Proven experience as a Java Developer, with a strong grasp of Java. As a Senior Java Developer on our Air Content team, you will be an integral part of a dynamic and forward‑thinking group that powers the core of our business. If you’re passionate about Java development, and thrive in a collabor

We are looking for an experienced Java Developer with 8+ years of experience to build and maintain scalable, high-performance applications. Design, develop, and maintain Java-based applications.

Design, develop, and optimize low‑latency, high‑throughput backend systems using Core Java and SpringBoot. Core Java development with a focus on performance and memory optimization.

A leading technology company in the UK seeks an experienced Java Developer to join their Unified Communications product line. Candidates must have a minimum of 8 years of Java development experience and be comfortable with RESTful services and Test Driven Development.

Synechron is looking for a highly skilled and hands-on Lead Java Engineer with. Design, develop, and maintain complex Java and Python applications using modern engineering practices.

A leading international payments company in the United Kingdom is looking for a Junior-Mid Java Developer to design and implement scalable and high-performance applications. The ideal candidate will have a Bachelor's degree in Computer Science or related field and solid proficiency in Java and its t

A leading technology company in Greater London is looking for a Java Developer to design and build high-quality applications using Java/JEE and modern web technologies. Ideal candidates should have experience with Java frameworks and be committed to delivering secure and maintainable software soluti

A technology company in the United Kingdom seeks an enthusiastic Java Developer Intern to join its development team. Candidates should have proficiency in Java, familiarity with frameworks like Spring Boot, and a basic understanding of databases. This role provides a unique opportunity to gain hands

Proven experience designing and building production‑grade APIs using microservices written in Java. Expert at writing clean, high‑performance, and maintainable code in Java. Strong Java programming expertise is required.

Principal Developer – FX Trading Systems (Java / C++). An established financial services organisation is seeking an experienced Principal Developer to play a key role in the architecture and development of a high-performance FX Matching Venue. The successful candidate will combine deep Java expert

You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a startup inside a global bank. Strong server‑side engineering skills: Kotlin or Java (Java 21), building and consuming RES

You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a startup inside a global bank. You're good at it* Strong server-side engineering skills: Kotlin or Java (we’re using Java 2

We are looking for a Java Developer to design and build high‑quality applications using Java/JEE and modern web technologies. Develop and maintain applications using Java/JEE and related frameworks. Build web components using Java frameworks.

As a mid level engineer, you will have worked commercially with Java (versions 8+) building APIs and microservices with Spring Boot. IntaPeople are partnered with a fintech scaleup in Cardiff city centre and are scaling up the engineering team with 2 mid-level Java Engineers. Ideally, you will be a

Minimum 3 years of hands-on experience as a Full Stack Engineer or Developer. Strong back-end development skills with Java, including experience with Spring Framework, JAX-RS/JAX-WS, and JPA/Hibernate. As a full-stack developer, you will join our core delivery team to build and enhance Web, eCommerc

A leading financial services company in the UK is seeking a Rapid Application Developer skilled in Java and JavaScript.

A global technology organization is seeking a Senior Java Developer with active security clearance to work on high-profile government programmes. You will be responsible for the Software Development Lifecycle on both legacy and modern Java platforms. This role demands strong Java expertise, experien

Responsibilities include working with stakeholders to design and implement systems, coding in Java, and supporting algorithmic trading strategies. The ideal candidate will have robust server-side Java skills, proven experience in low-latency applications, and knowledge of electronic trading protocol

Senior Java Analyst Developer / Technical Consultant. Java Analyst Developer / Technical Consultant. Technical Consultants / Analyst Developers must have:.

We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. Design, develop, and maintain full‑stack features spanning Java backend services and modern web UI

A leading cloud and engineering consultancy is seeking a Senior Java/React Full Stack Developer for a contract role. This hybrid position requires strong skills in React and Java, with a focus on domain-driven design and microservices.

You have a profound understanding of back-end development, including Java, Spring MVC, MongoDB and PostgreSQL. Picnic has over 20 Java backend development teams, each highly involved with and essential to all parts of the company. Java 21 (Spring 6 with Spring Boot 3, Reactor, Immutables, Maven), Ra

Java eFX Algo Developer (Low Latency) – 12-month Contract – Inside IR35 – £920 per day – Hybrid working/London. Experience as a Senior Java Developer. Note: This description focuses on the role and requirements related to the e-FX Low Latency Java Developer position.

A financial services firm in London is seeking a skilled Java Developer with extensive experience in Capital Markets and Fixed Income Products, including hands-on work with FIX Protocol and SQL. Candidates must have over 8 years in the industry and a strong proficiency in Java and Git.