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Staff Software Engineer / Developer (Kotlin Java JVM) Hybrid WFH to £120k.

Senior Java Engineer – Customer Communications Platforms We’re hiring a Senior Java Engineer to build and run event-driven customer communications platforms at scale. What you’ll do Build scalable, event-driven Java/Spring Boot services Own the full lifecycle: design → deplo

Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely w

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

Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patt

A leading software development company in Greater London is seeking a Senior Java Developer to contribute to the development of Back Office and integration services. The ideal candidate has over 5 years of Java experience, and skills in microservices, APIs, and cloud technologies.

You will be responsible for the Software Development Lifecycle on both legacy and modern Java platforms. This role demands strong Java expertise, experience in Web API development, and collaboration with diverse teams for system enhancement. A global technology organization is seeking a Senior Java

The successful candidate will be responsible for building and maintaining applications on AWS using Java, Spring Boot, and Python, among other technologies.

Candidates should have over 3 years of experience, proficiency in Java, TypeScript, and familiarity with microservices.

Solid experience in high performance, advanced Java with knowledge of core data structure design.

Java, Low-latency, financial services background, and hands on coding skills. Lead the development, testing, and maintenance of low-latency Java applications. Proven experience in Java development, with a focus on low-latency systems.

The role requires 6-8+ years of experience in software engineering and expertise in languages like Java or C#.

Strong knowledge of programming languages such as Python, Java, or Node.

Experience with Java is a must.

A leading technology company in Greater London is seeking an experienced backend developer with expertise in Java and Spring Boot.

You're good at it* Strong server-side engineering skills: Kotlin or Java (we’re using Java 21), building and consuming RESTful APIs. AI experience is highly desirable but not mandatoryTools you’ll use (depending on role)* Server: Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB,

A leading retail company in London is seeking a Java engineer to enhance developer experience and modernise its core systems. Ideal candidates will have strong Java experience, cloud platform skills, and a mindset focused on improving engineering workflows.

A leading financial technology company based in the UK is seeking a backend engineer to join its newly-formed Acquiring Platform team.This role focuses on developing infrastructure for merchant payment solutions, including integrations with popular payment methods like Google Pay and Apple Pay.Ideal

This role involves designing and developing scalable backend systems using Java 9+ and Spring Framework, contributing to microservices architectures, and collaborating within Agile teams. Applicants should possess 5–10 years of software development experience and a proven track record in Java deve

The role involves learning and contributing to backend development primarily using Java, alongside experienced engineers.

If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Design, develop, and optimize low‑latency, high‑throughput backend systems using Java. Java development with a f

Excellent Java development experience (Java 11+) in a production environment - including Spring Boot, dependency injection, and RESTful API design. Gain understanding of the current Java application architecture - service boundaries, dependency injection patterns, build system, and deployment config

This role involves building and maintaining Java services while collaborating with team members to enhance the developer experience. Key qualifications include proficiency in Java, Scala, and/or Kotlin, as well as experience with productivity tools.

A leading Fintech disruptor in Greater London is seeking a Principal Backend Engineer to lead architectural design and hands-on development.This role is crucial for driving the technical roadmap and mentoring the engineering team.The ideal candidate will work on greenfield projects, building scalabl

Apply now! A continuous improvement mentality, experience with coding using AI* Identifies development risks and builds mitigations* Around 5 years of Java development experience* Strong concurrent/multithreaded program

A business technology consulting firm is seeking a Principal Java Engineer to enhance their engineering team in London. This hybrid position requires extensive Java experience, particularly in low-latency and high-throughput systems within the payments processing domain.

Develop ETL, ELT and streaming processes using big data frameworks primarily in Java. Write unit and integration tests for your Java code. Develop deployment systems for Java based systems.

Core Java (concurrency, NIO, GC tuning). Strong Java engineers who understand performance, concurrency and real-time systems, ideally with exposure to trading or other latency-sensitive domains.

A leading financial institution in Greater London is seeking a Lead Java Developer. Ideal candidates will have strong experience in Core Java and exposure to Capital Markets technology.

The ideal candidate will have extensive experience with modern Java, CI/CD tools, and containerization technologies like Docker.

Write clean, scalable Java code (Spring Boot preferred) and contribute to microservices at scale. Strong Java development experience (Spring Boot preferred). We’re looking for a high-calibre Java Engineer with strong microservices and coding expertise to join a fast-moving programme within a compl

The role requires over 5 years of experience in backend development with fluency in Java, alongside a Bachelor's degree in a relevant field.

A leading IT consultancy in the UK is seeking a Java Backend Engineer to build and maintain backend components for modern digital services. This role offers the chance to work with technologies like Java 8+, Spring Boot, and microservices in a collaborative, Agile environment.

Strong server‑side engineering skills: Kotlin or Java (Java 21), building and consuming RESTful APIs. Server: Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, Harness.

IT Delivery Consultant looking for SC or SC eligible UCD, Java and GenAi Consultants in the U. Proven experience in Java Development (Spring Boot essential). If you’re an ambitious Java Developer looking to make a meaningful impact in a rapidly evolving digital space, this is the opportunity you��

The ideal candidate will have experience with Java and React, focusing on automated testing and integrating modern testing practices within complex systems.

An elite investment institution in London is seeking a Front Office Java Developer to join their team. In this hybrid role, you will build out high-performance pricing and analytics tools with the latest Java versions. Ideal candidates will have extensive Java experience and a passion for cutting-ed

This pivotal hands-on role combines technical expertise in Java and AWS with people management skills.

You will drive technical excellence by overseeing development, fostering teams, and ensuring the quality of scalable, cloud-native architectures using Java and React.

A leading media and telecommunications company in the United Kingdom seeks a Backend Developer with extensive Java and Spring experience.

Strong proficiency in Java, Spring Boot, and modern backend development. Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex. My new client is looking for a highly skilled Senior Java Engineer to join their engineering team.

Candidates should possess strong skills in Java and a keen interest in problem-solving.

Salt is seeking a highly skilled Senior Java Engineer to join their engineering team in the United Kingdom. The ideal candidate will have expertise in Java and Spring Boot, and hands-on experience with AWS services such as Lambda and API Gateway. Responsibilities include designing and developing hig

The UI will be an Angular web application with Java/Spring services to backend databases MongoDB, MSSQL Server, and Snowflake. Core Java developer experience and/or web/Angular/HTML/CSS/Typescript experience.

A tech consulting firm seeks a Backend Java Developer in Birmingham to build core backend services for a Data Fabric platform. Candidates should have strong experience with Java, Spring, and SQL transformations.

A Java Developer is required to join a specialist technology consultancy delivering secure software solutions for high-profile government and national security programmes. You will be responsible for designing and developing secure, scalable Java-based applications within highly regulated and classi

The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. Recommended Experience:*** Strong experience in Core Java, J2EE, Spring Framework* Exposure to Python scripting a