1 to 25 of 1,328 Java Jobs in London

Lead Backend Java Engineer We're looking for an exceptional Lead Backend Java Engineer to define technical direction, inspire engineering teams, and build world‐class backend systems. This role combines deep technical expertise with engineering leadership, enabling you to influence architecture, delivery, AI adoption, and engineering culture across multiple teams … evolve the technical strategy for backend engineering across projects and teams. Lead the design and delivery of scalable, secure and resilient distributed systems using Java and the Spring ecosystem. Provide architectural leadership across multiple client engagements, ensuring consistency, maintainability and long‐term scalability. Act as the technical authority for backend ...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. … high-performing engineering squad, building and operating business-critical digital services.This is a backend-led fullstack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services, APIs and event-driven workflows. You will also contribute to modern ...

approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are seeking an experienced Senior Java Engineer to join our engineering team and play a key role in designing, developing, and maintaining scalable, high-performance applications. The ideal candidate will have … strong expertise in Java-based enterprise systems, cloud-native development, and modern software engineering practices. Experience with Artificial Intelligence (AI) technologies and AI-enabled applications is highly desirable. Key Responsibilities: Design, develop, test, and maintain enterprise-grade Java applications. Assist with technical design discussions and contribute to architectural decisions. Develop ...

global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 28 August 2026 Job Description Your Role: Java Developer - Digital Out of Home Are you a Java Developer looking to be part of a team building cutting-edge, event-driven systems that power … millions of digital advertising moments every day? As a Java Developer within our Digital Out of Home (DOOH) team, you'll help develop the programmatic advertising platform that powers all digital assets across Global's outdoor estate - from large roadside signs to the Transport for London network. You'll work ...

high-performing engineering squad, building and operating business-critical digital services. This is a backend-led fullstack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services, APIs and event-driven workflows. You will also contribute … collaborative, low-ego team culture. What we are looking for Essential experience Strong commercial experience developing server-side applications with Kotlin or modern Java, ideally Java 17 or later. Good knowledge of the JVM ecosystem and common backend development practices. Experience designing, building and operating APIs and distributed services. Understanding ...

Experience Experience developing full stack applications using modern front-end and back-end technologies. Strong programming skills in languages such as JavaScript/TypeScript, Java, C#, Python, or Node.js. Experience with front-end frameworks such as React, Angular, or Vue.js. Experience building and consuming RESTful APIs and microservices. Knowledge ...

Title: Senior Java Developer Location: Bromley ( 3 days in office is essential) Contract: 12 months with possible extension Rate: Highly competitive Status : Inside IR35 Working pattern: Full time We're looking for an experienced Senior Java Developer to join a global technology team delivering client-facing reporting solutions within … India. Current team members will provide support to enable you to familiarise yourself with the relevant functional aspects of the development role." Requirement: Java Developer with strong hands on expertise in building scalable Java applications, working in Agile teams. Develop, enhance and support a range of critical applications built ...

event‐driven integration of AI into enterprise workflows Data platforms: Databricks, Spark, Snowflake; streaming via Kafka Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle ...

event‐driven integration of AI into enterprise workflows Data platforms: Databricks, Spark, Snowflake; streaming via Kafka Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle ...

SDLC to rapidly comprehend large codebases, generate production‐quality code, and accelerate delivery. Required Qualifications 8+ years of professional software development experience in Java (Java 17+ preferred), with strong command of concurrency, collections, and modern language features. Demonstrated experience with AI‐assisted engineering tools (e.g., Claude Code, GitHub Copilot Agent ...

SDLC to rapidly comprehend large codebases, generate production‐quality code, and accelerate delivery. Required Qualifications 8+ years of professional software development experience in Java (Java 17+ preferred), with strong command of concurrency, collections, and modern language features. Demonstrated experience with AI assisted engineering tools (e.g., Claude Code, GitHub Copilot Agent ...

software engineering and software architecture experience. Full software development lifecycle delivery. Backend and/or full-stack software development. Modern programming languages such as Java, Python, JavaScript, or TypeScript. RESTful APIs and microservices architecture. GitLab, source control, and CI/CD pipelines. Docker, Kubernetes, virtualisation, and containerisation. Infrastructure as Code ...

Site Reliability Engineering practices Required Skills & Experience We are interested in professionals with experience across some or all of the following: Development & Engineering Java, Python, JavaScript, C++, C# Software application development Automated testing frameworks Spec-driven software development DevOps & Automation Git, GitOps GitLab, Jenkins Terraform, Ansible, Chef, Puppet ArgoCD, Flux ...

delivery planning. What We’re Looking For Experience as a Software Engineer with strong capability in one or more of the following: Backend development (Java Spring Boot, Maven, Python) Frontend development (JavaScript/TypeScript, React, npm) Proven experience designing, developing, and deploying scalable backend systems. Familiarity with DevOps, CI/ ...

developer withover 7 years of hands‐on experience, bringing strong expertise in cloud‐native application development.* Comfortable working across modern programming languages such as **Java**(highly preferred), Node.js and React, with exposure to Python considered beneficial.* **Knowledgeable in microservices, API design, event streaming** technologies (for example Kafka), serverless patterns ...

solutions. Mentor engineers and grow DDD and architectural capability within Appvia’s engineering practice. Technical Skills Core technologies (in order of importance): Java/Spring NoSQL/SQL databases TypeScript/JavaScript HTML/CSS/XML Playwright Docker/Kubernetes Maven GitLab AWS Nice to have: GovUK UI Framework ...

Full Stack Developer London, Birmingham, Manchester, Newcastle upon Tyne, Edinburgh, Belfast, England, United Kingdom Full-time Company Description Version 1 has celebrated 30 years in the IT industry and continues to be trusted by global ...

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScript Up to £550 per day (Inside IR35) Remote 6 Months We are looking for an experienced Full Stack Java Developer to join a large-scale digital programme, delivering modern applications within a microservices environment. Active SC Clearance and NPPV3 … essential. Key Requirements: Strong experience developing full stack applications using Java (Spring Boot), React and TypeScript. Active SC Clearance and NPPV3. Proven experience working within microservices architectures, building scalable and maintainable solutions. Strong knowledge of PostgreSQL or other relational SQL databases. Hands-on experience with Docker and containerised application deployment. ...

Title: Java Engineer Client: Fintech Salary: Up to £115,000 + Benefits Location: London About the Company Our client is an exciting and rapidly scaling fintech technology company building next-generation data infrastructure for modern financial markets. They are developing a high-performance data distribution platform designed to move, process … that operate at significant scale while contributing directly to the architecture and evolution of the platform. The Role They are looking for a talented Java Engineer to join their engineering team and help build the next generation of high-performance data distribution infrastructure. You will be responsible for designing ...

orchestration patterns Strong software architecture and system design experience Strong background in: microservices architecture event-driven systems distributed systems Strong backend engineering experience using Java/Spring Boot or equivalent Experience working with: REST APIs Kafka/RabbitMQ/messaging systems Docker Kubernetes cloud-native deployments Strong understanding of security ...

production. Strong platform and product support. The ability to make real changes with real business value. Technical Stack & Requirements Object‐oriented programming in Java (version 11+), ideally using the Spring Boot framework. Highly scalable, highly available cloud‐native applications on AWS, written to 12‐factor principles. Cloud‐related tools ...

security of the UK. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial, Perforce Utilising ...

Skills & Competencies Strong developmental skills and technical leadership across front-end (React, Angular, Vue,) Strong developmental skills and technical leadership across back-end (Node.js, Java, Spring Boot, .NET, RESTful APIs microservices), cloud platforms (AWS, Azure, GCP) and CICD tools GitLab, Jenkins Strong experience in responsive design principles Expertise in JavaScript ...

practice. Present solutions and technical progress to stakeholders. Experience you'll need as a Senior Full Stack Kotlin Developer Strong commercial experience with Kotlin, Java and the full software development lifecycle. Experience with Spring Boot, Spring Framework and microservices architecture. Exposure to Node.js, TypeScript, Express.js or Nunjucks. Experience with ...

engineering, or related field. Professional experience as a software engineer, preferably in a consultancy or industry setting. Experience with multiple programming languages, including Python, Java, C++, Rust, or Go. Experience with associated software development frameworks and tools such as pytest and OpenAPI. Experience working in Unix/Linux environments. Knowledge ...