1 to 25 of 278 Permanent Java Jobs in London

Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using … machine learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best ...

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 ...

principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular, or Vue) Strong backend development experience (e.g., Node.js, Java, Python, or Go) Proven experience designing and building scalable, distributed systems Strong experience with REST APIs, microservices architecture, and event-driven systems Cloud experience with Azure ...

principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular, or Vue) Strong backend development experience (e.g., Node.js, Java, Python, or Go) Proven experience designing and building scalable, distributed systems Strong experience with REST APIs, microservices architecture, and event-driven systems Cloud experience with Azure ...

design and build Data Lakehouses using Microsoft technologies (Data Factory, Data Bricks, Data Lake, PowerBI).* Proficiency in software engineering languages such as Python, Java, C#, JavaScript, and TypeScript.* Deep knowledge of data engineering languages and tools such as SQL, Spark, Scala, and Hadoop.* Strong background in agile and DevOps ...

within Agile delivery teams What We’re Looking For Full stack experience within an agile team building enterprise‐grade web applications or backend services Java development with Spring Boot at the back Front‐end development using modern JavaScript frameworks (e.g., React, Vue) Experience with cloud platforms such ...

CoCreate IQ, and Orios, revolutionize infrastructure development, AIOps, DevOps, and operational management. About The Role Colate is looking for a Senior Software Engineer with Java, GCP, & ECP experience. We’re seeking a talented Senior Java Engineer to join our team; you’ll be responsible for designing and developing high throughput … applications using java with high quality production ready code to deliver functionality to our customers. You’ll be accountable for ensuring all decisions are made within a sound risk framework and within Group standards and appetite while managing the full software development process within an agile environment. Responsibilities What ...

Server Experience designing and consuming RESTful APIs/REST API services Proficiency in at least two of the following programming languages: Python Java JavaScript .NET (C#) Experience working in Agile/Scrum environments Excellent problem-solving skills and attention to detail Desirable Skills Experience with cloud platforms (Oracle Cloud ...

Tech stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/ ...

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 ...

working closely with engineering teams Experience with at least two programming languages used for research (At least one from Python or R, and optionally Java, TypeScript, or C++) at a level and breadth commensurate with seniority Ability to independently interpret the requirements of information users and present detailed, complex reports ...

Java Engineer Salary to £ 45 k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency … anywhere but will most likely be in & around London. 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 with analysts and service ...

more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. The Role We are seeking an experienced Java Developer to join us, designing and building Spring Boot services within a microservices architecture for a regulated banking environment. The role focuses on delivering secure … analysis, development, testing, deployment, and production support—helping to modernise critical platforms and improve performance, resilience, and observability. Key Responsibilities · Design, develop, and maintain Java applications using Spring Boot, building RESTful APIs and microservices for high-volume banking platforms. · Implement microservices patterns (service decomposition, resilience, circuit breakers, retries, idempotency ...

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 projects, contributing to ...

Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology consultancy delivering complex, mission … modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology. The Role As a Lead Full Stack Java Developer , you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. ...

agile environments Desirable Experience Docker, Docker Compose Terraform or other IaC tools EF Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available ...

agile environments Desirable Experience Docker, Docker Compose Terraform or other IaC tools EF Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available ...

Crossplane, Ansible). Proven ability to architect and deploy containerised systems (Docker, Kubernetes) at scale. Proficiency in one or more modern languages — Go, Python, Java, Ruby, TypeScript. Solid understanding of CI/CD , DevOps automation , and secure cloud operations . Strong communication and stakeholder management skills — able to influence ...

stakeholder engagement skills Desirable: Experience with configuration management tools (Ansible, Puppet, Chef, Packer) Exposure to testing tools (Selenium, Cucumber) Experience supporting modern application stacks (Java, Node.js, SQL/NoSQL ...

quality. Tech stack and AI Mobile: React Native (Expo), TypeScript, Tailwind. Web: Next.js/React (Vite), Tailwind + shadcn/ui Backend: Spring Boot (Java), Spring Data JPA/Hibernate, Flyway Infrastructure & Data: PostgreSQL (AWS RDS), Terraform, AWS (EC2, RDS, S3, CloudFront, SES, SQS, Lambda), Docker, GitHub Actions (CI/ ...

supporting change at scale• Experience designing and evolving distributed systems, services, and APIs in cloud environments• Strong backend engineering experience (for example with Java and Spring Boot), and comfort working in modern product development teams• A collaborative approach, with clear communication and thoughtful decision-making around quality, risk, and deliveryEvent ...

Senior Java Software Engineer – Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Reactive Programming, MongoDB Payments A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. … will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability ...

operating, but still in a software engineering mindset. A suitable candidate for this role will have strong software engineering skills in Python, Java, TypeScript, etc, but with a DevOps mindset, strong communication skills, and will have used cloud technologies such as AWS or Azure commercially, along with CI/ ...

stack in low-trust, high-sensitivity environments Contribute to systems architecture, testing, integration, and deployment Ideal Background: Strong experience in modern programming languages ( Python, Java, Typescript, JavaScript) Familiarity with secure coding principles and systems engineering Experience with cloud platforms (AWS, Azure, GCP) and DevOps tooling is a bonus Comfortable working ...