1 to 25 of 146 Java Jobs in London

Title: Java Developer Rate: £475 - £525 per day inside ir35 Location: Remote Contract: 6 months rolling SC Cleared We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work … across Java, Spring Boot, REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java and Spring Boot is essential, alongside solid SQL/database knowledge and experience working with Git, Maven or Gradle. Exposure ...

Title: Java Developer Rate: £525 per day inside ir35 Location: Remote Contract: 6 months rolling We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring … REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java and Spring Boot is essential, alongside solid SQL/database knowledge and experience working with Git, Maven or Gradle. Exposure to AWS/Azure/ ...

Senior Java Engineer is required by this international distribution provider as they transform their tech stack and need someone to drive this across design, build and deliver greenfield services, whilst mentoring a small team as they cross-train into Java. You will lead the shift from Legacy code to modern … technologies, establish reference architectures, and mentor a transitioning engineering team. The Tech Stack & Methodology includes - Modern Java (Java 25), Micronaut, Netty, and PostgreSQL (JDBI/No ORM) Hexagonal architecture, Domain-Driven Design (DDD), and RabbitMQ messaging Complete production-scope ownership with cutting-edge AI coding agents Ideally you can demonstrate ...

Type: Hybrid - Contract, inside IR25, £400 per day Job Title: Java Developer - SC Cleared - Spring Boot Microservices STRCTLY; NON SPONSORED Location: London Our client is looking for an experienced Java Developer with active SC clearance . You'll join their team to design, build and maintain RESTful and SOAP microservices … using Spring Boot in an Agile environment. As a Java Developer, you will be responsible for designing, developing, and maintaining high-quality Java applications that adhere to industry best practives and standards. The candidate preferably should have SC/DV clearance or must be eligible and willing to go through ...

with your peers on technical direction within your team Requirements/knowledge (you don't need everything) Experience working in an Agile delivery team Java development with Spring Boot Front-end development using modern JavaScript frameworks (e.g., React, Vue) Building enterprise-grade web applications or backend services Cloud & DevOps Experience ...

Engineer, Platform Engineer, Software Engineer or similar . Strong hands-on experience building and operating cloud-native data platforms . Strong programming experience using Java and/or Python . Hands-on experience with real-time streaming and event-driven architectures , including Kafka, Kinesis or equivalent. Experience with distributed data ...

Our client is a leading IT services and digital transformation consultancy. Company Description Our client has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables our ...

Senior Java Full Stack Engineer Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Bristol, Manchester or Glasgow Overview We're looking for a Senior … Java Full Stack Engineer with strong backend and frontend development experience, alongside proven experience leading teams, managing stakeholders and working directly with clients You'll play a key role in delivering innovative digital solutions for enterprise clients, providing both strong technical leadership and hands-on development expertise. You'll work ...

degree in Computer Engineering, Software Engineering, or a related discipline Fluent English communication skills (C1 level or above) Technical Skills Strong experience in: Java (preferred) Kotlin Spring Boot REST APIs Microservices Architecture Experience with: Event-driven architectures Kafka RabbitMQ or similar messaging technologies SQL and NoSQL databases Containerization (Docker) Kubernetes ...

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 ...

Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming … languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness ...

traded commodity products. Experience with commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank ...

traded commodity products. Experience with commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank ...

experience in software engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven ...

role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely with product, QA and DevOps colleagues to turn business requirements into reliable software. This role suits … independently. The aim is to shorten release cycles, improve resilience and support growing transaction volumes without disrupting existing users. The proposed stack centres on Java 21 and Spring Boot, with REST APIs for synchronous integration and Apache Kafka for asynchronous events. Each service will own its data, using PostgreSQL where ...

testing experience CI/CD experience (Azure DevOps, GitHub Actions or Jenkins) Strong troubleshooting and problem-solving skills Desirable: AWS or Azure Python, Java or C# Contract testing Docker/Kubernetes Performance testing AI/LLM application testing This is an excellent opportunity for someone who enjoys solving technical challenges ...

coding and engineering best practices. Experience you'll need as a Lead Software Engineer Strong commercial experience designing and developing software using C# or Java . Experience with REST APIs, messaging, microservices and software design patterns . Proven experience leading, mentoring and supporting software engineering teams. Experience building user-facing ...

About You Professional knowledge and experience Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency … Platforms : Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development : Advanced knowledge of multiple programming languages and frameworks (e.g., Python, Java, Node.js). CI/CD and Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience ...

Collaborate with your peers on technical direction within your team Requirements/knowledge (you don't need everything) JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL ...

experience. Graduate degree preferred Experience Expertise in frontend technologies (e.g. Vue.js, React) with a strong sense for UI/UX Proven backend experience with Java, ideally with Python and Node.js experience as well, including building distributed microservices based architectures Strong understanding of system design principles, scalable architecture patterns ...

deep, and your teams and peers will know it too Full-stack engineering expertise — proven background with modern enterprise technology stacks, including React, Java, and/or Python in production environments, deployed across AWS and/or Azure A bias for experimentation and innovation — a demonstrable history of pushing technical ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software ...

experience. Graduate degree preferred Experience Expertise in frontend technologies (e.g. Vue.js, React) with a strong sense for UI/UX Proven backend experience with Java, ideally with Python and Node.js experience as well, including building distributed microservices based architectures Strong understanding of system design principles, scalable architecture patterns ...

from you! Essential Skills & Experience: Eligibility for Security Clearance Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing ...

Riak) Containerisation and microservices (e.g. Docker, rkt) IaaS and PaaS (e.g. AWS, Openstack, Deis, Kubernetes, Mesos, Rancher) Experience of programming and scripting (e.g. Bash, Java, Go, Javascript, Powershell) Experience of configuration management tools such as Ansible, Chef, Puppet Experience of implementing Infrastructure as Code Experience configuring and working with monitoring ...