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Construction Health, Safety & Environmental (HSE) ManagerLocation: Enfield, MiddlesexRate: £280 per shiftHours:7am-5pm Mondays-Fridays,Duration: 24-30 weeksStart Date: Monday 4th May 2026 and Monday 11th May 2026</p

The role involves designing and supporting high-reliability software platforms for complex systems, focusing on Java and Python development.

Opus Recruitment Solutions is seeking an experienced Java 8 Software Engineer for a 6-month contract, offering £500 – £550 per day. Ideal candidates should have strong experience with legacy Java, SQL, Spring Boot, and have the ability to build microservices and RESTful APIs.

Experience of JavaScript/Typescript and a familiarity with Java. Optional experience with Java Spring Boot.

A leading company in the IT industry is seeking a Senior Java Developer to join their team. The Senior Java Developer will be responsible for both backend and the introduction of innovations in new services, enjoying fully remote working options and a salary of up to £70K.

Experience with Java and Oracle. Experience with ReactJS and JavaScript.

The role involves developing and supporting a trading bridge, and candidates should possess strong backend engineering skills, especially in Java, Linux, and SQL. A financial technology firm in London is seeking a mid-level Java developer with 5-10 years of experience.

A leading technology recruitment firm in the UK is seeking an experienced Senior Backend Java Engineer with strong knowledge in Java 17/21+ and Spring Boot.

On the flagship product, revolutionizing it with innovative new features.As a Full Stack Developer you will utilise your expertise in Python, Golang, and/or Typescript.Your responsibilities will involve reimagining existing solutions on a completely new platform, implementing fresh features, and.Sta

A forward-thinking technology firm in Greater London seeks a Java Back-End Developer to join their Short-Term Desk Technology team. Candidates should have 3-5 years of back-end Java development experience, familiarity with microservices, and some exposure to AWS.

Cathcart Technology is seeking a Senior Java Engineer to join a modern tech company in the UK. This role is predominantly hands-on and involves working with a Java-based platform using Spring Boot, TDD, and CI/CD practices.

Candidates should possess a formal training in software engineering, 8+ years of experience, strong knowledge of Java and agile methodologies, and effective communication skills across teams.

Citi is seeking a Java Developer within the Technology Application Strategy team to build innovative tools for their global developer community. Ideal candidates should have strong Java and SpringBoot experience, knowledge of build tools, and a willingness to learn and innovate.

Design, develop, and maintain 2D and 3D games using Java and libGDX. Strong experience in Java programming, especially in game development.

As part of an agile unit, you'll design and deliver innovative technology solutions, utilizing Java or Python.

This individual should possess over 5 years of experience in Java programming and have a strong understanding of scalable code delivery.

A leading investment bank are looking to hire an experienced Java Engineer to join their Front Office Fixed Income team to be a part of a multi-year modernisation project. Design, develop, and maintain high-performance Java applications. Strong knowledge of Java - experience with multithreading/conc

A leading healthcare technology company in the United Kingdom seeks a Software Development Engineer II with strong skills in Java to develop high-quality software solutions.

A UK-based technology firm is seeking an experienced Senior Java Developer to join their team in Bournemouth. The ideal candidate will have over 8 years of proven experience in developing scalable Java applications and will play a key role in leading development efforts.

Strong recent experience with Java 21 and familiarity with Agile development practices are essential. A tech recruitment firm in the United Kingdom is seeking a Lead Java Developer to join a major digital transformation programme.

Successful candidates will deliver robust technical solutions using Java and Kotlin while collaborating in a dynamic, agile team.

Candidates should have strong Java skills, experience with messaging technologies like Kafka, and a commitment to engineering excellence.

Rebel Recruitment Limited is seeking a DevOps Manager to take control of build and deployment processes for Java applications.

You will play a key role across the Software Development Lifecycle, working on both legacy and modern Java-based platforms. Hands‑on experience with Java 8, Spring, Maven, Git, and JUnit. Remotely based Senior Java Developer (Security Cleared).

Candidates should possess fullstack experience with technologies such as Java and React, and be versed in DevOps and modern cloud practices.

A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions.

Utilize Kotlin alongside Java to enhance backend development. Seeking a Specialist with 5 to 7 years of experience in Java Frameworks and Kotlin to develop scalable and efficient backend solutions using Microservices Spring and Spring Boot. Develop and maintain robust Java applications using Spring

A leading recruitment agency in London is inviting applications for the role of Principal Consultant - JAVA Developer. This position requires expertise in Java and substantial experience with code enhancement and migrations.

Grid Dynamics Holdings is looking for Senior and Principal Java Developers with strong Java expertise and experience in low-latency systems. The role involves writing and tuning high-performance Java frameworks, applying microservice architecture, and utilizing advanced performance tuning tools.

You’ll use Java (17+) and modern frameworks to build high‑performance, secure, and scalable services, while helping shape technical direction and mentoring others. Own the design and development of large‑scale, high‑performance services using Java (17+), Spring Boot, Maven, and related tools

A leading financial services company in Greater London is looking for a Back-end Engineer to develop and support client web applications using Java and Spring. This role requires 3+ years of experience in back-end development, a strong foundation in JavaScript, and familiarity with SQL databases.

Demonstrate some proficiency in most of these technologies: Java, JavaScript / TypeScript tool (React, Angular, etc), SQL, with a willingness to learn the others. Java Software Engineer**Elsevier is a global leader in advanced information and decision support for science and healthcare.

Develop and maintain microservices using Java, Spring Boot, and Go in line with agreed design standards. Hands‑on experience with Java, Spring Boot, and backend development. The Backend Engineer will contribute to the design, development, and deployment of cloud‑native backend services using Jav

Candidates should have extensive experience in low latency Java and pricing systems.

As a Java Developer, you will create and maintain critical regulatory systems in Java. You will be responsible for developing and maintaining these highly available Java systems, involving state‑of‑the‑art cryptography including authentication, digital signature, time stamping and encryption.

For the most part we code in Java, and though we are looking for someone with at least. Java, which makes up the majority of our backend codebase.

We need a genuinely hands‑on Senior Backend Java Engineer with recent Java 17/21+ and Spring Boot experience, who has built APIs/microservices from scratch, writes automated tests, has worked with PostgreSQL, Docker, and CI/CD, and either already holds SC clearance or is willing and eligible to ob

Advanced proficiency in software development in Java and Spring Framework, developing secure APIs and Web Applications on AWS using Serverless architecture. Experience in Java Cryptography Extensions, OpenSSL, Bouncy Castle libs.

Greater London is seeking a hands-on Java engineer to lead a high-quality team and drive technical implementation in FX Technology.

TEKsystems is seeking a Senior Data Engineer with substantial Java development experience to join a fully remote team in the UK.

Citibank (Switzerland) AG is seeking a Senior Java Engineer in London to join their Equity Derivatives Tech team. The ideal candidate will have robust experience in Java, leadership skills, and a bachelor's degree in a relevant field.

Java, which makes up the majority of our backend codebase. For the most part we code in Java, and though we are looking for someone with at least.

You'll handle a React frontend and Java/Spring Boot backend, guiding architecture, mentoring developers, and driving engineering standards.

Proven experience with modern Java versions (Java 11/17+). The programme is focused on migrating a large-scale, business-critical FX trading platform from a legacy C++ architecture to a modern Java-based platform. Participate in the design and implementation of the strategic migration from C++ to Ja

Candidates will need strong Java skills and experience with AWS. A technology firm in the aerospace sector is seeking Software Engineers (Java/AWS) at all levels to join their London team.

We’re recruiting an experienced Java Software Developer to join a high‑performing delivery team working on complex, large‑scale client systems. Designing, developing, and maintaining Java‑based applications using modern frameworks. Strong hands‑on experience with Java and Spring Boot.

Ideal candidates will have strong Java and Spring Boot experience, a solid understanding of data-driven decision making, and a passion for mentoring others.