151 to 175 of 1,904 Java Jobs in London

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD ...

Elsevier in London seeks a Senior Software Engineer-I to contribute to a team delivering high-quality software for author services, applying your technical expertise. You will collaborate with agile squads, implement software to meet ...

A leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical ...

left testing using tools like JUnit, Cucumber, Gherkin, PACT, and Test Containers.* Working knowledge of event/message brokers such as Kafka and MQ.Advanced Java* Strong experience in Object-Oriented Programming (OOP).* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services … including REST design principles, Swagger/OpenAPI, and Spring REST MVC.* Proficient in building and delivering enterprise-grade Java applications.* Hands-on experience with data structures, algorithms, concurrency, and multi-threading.Database Management* Strong SQL knowledge with experience in relational databases such as Postgres.* Working knowledge of object storage solutions, e.g. ...

Senior Java Developer - Java/Spring/AWS - Remote - £60,000 - HealthTech/Tech for Good Senior Software Developer required for a HealthTech, tech-for-good business delivering software that supports patient care and rehabilitation across the healthcare sector. Salary: £60,000 Location: Remote (UK) Great benefits included This … genuine opportunity to work on technology with real, measurable impact on people's health outcomes. Key Responsibilities: Design and develop software features using Java, AWS and PostgreSQL Write clean, maintainable, well-tested code Participate in code reviews and QA processes Troubleshoot and resolve client-reported issues Contribute to technical documentation ...

public and private sector, delivering solutions where quality, scalability, and reliability are critical. About the Role We’re hiring multiple Senior Full Stack Engineers (Java/TypeScript) to join a growing Software Engineering practice supporting a major modernisation and AI-enabled transformation programme. This is a hands-on, client-facing … environments and influencing how software is designed and delivered. You will bring: Strong experience with TypeScript and modern Frontend development Strong backend experience with Java (Spring Boot) A solid grounding in Domain Driven Design (DDD) Experience working with microservices architectures Full-stack capability across UI, API, and data layers Experience ...

tools (e.g., Jenkins, CircleCI, GitLab CI, Azure DevOps) Knowledge of integration testing and automation frameworks A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Eligibility for Security Clearance We’re on the lookout for passionate, talented individuals who are ready to make an impact. Whether ...

DevOps best practisesWe are looking for:Proven experience delivering cloud-native architectures – ideally GCPStrong experience in front and back end development – React.JS/Next.JS, Java/PythonStrong ability to build end-to-end applications leveraging modern APIs and data platformPrior experience with Google Big Query, Cloud SQL Dataflow, DataProc, PubSub ...

access to over 19,000 financial markets. Mode of working: Hybrid (2‐3 days from London office) What you will need for the role Java & Spring/Spring Boot: 8+ years of extensive experience in building and deploying back‐end services. 8+ years of experience in Backend development. MongoDB ...

Experience with test automation tools and frameworks such as Selenium, Karate, SOAPUI, or Postman Knowledge of scripting or programming languages such as Python or Java Experience working with CI/CD tools and version control systems, including GitHub Actions or Jenkins Familiarity with Cucumber BDD Knowledge of cloud technologies, particularly ...

understand code. Experience investigating software defects and technical issues. Strong communication skills and ability to work with technical teams. RequirementsTechnical Skills (Desirable) Programming languages: Java C# Python JavaScript C++ Experience with: Visual Studio Debugger IntelliJ IDEA Debugging Tools Git/GitHub Jira SQL troubleshooting API testing tools Log analysis tools ...

cryptography, tokenisation and DLT architectures. Experience with Web3 libraries such as Web3.js or Ethers.js , or equivalent DLT SDKs. Proficiency in Node.js, Python, Go or Java , with experience working with RESTful or event-driven APIs. Familiarity with Hardhat, Foundry, Truffle or equivalent blockchain development tools. Strong Git and collaborative development experience. ...

processes, promote automation best practices, and support adoption of AI-driven quality engineering Требования Experience developing automated test frameworks using C# (.NET) or Java, with BDD frameworks such as SpecFlow or Reqnroll Experience automating REST API and UI testing with Playwright, Selenium WebDriver, or similar tools Knowledge of CI/ ...

software engineering and system design background Experience delivering enterprise applications using AWS, Azure or GCP Strong engineering experience with technologies such as Python, SQL, Java, .NET or JavaScript Experience working with modern enterprise data technologies such as Snowflake and/or Databricks Good understanding of enterprise data platforms, data architecture ...

markets domain expertise to business and technical problem-solving. Mentor team members and contribute to engineering best practices. SKILLS Must have 7+ years of Java development experience. 2+ years of commercial Kotlin development experience. 2+ years of frontend development experience with React and/or Angular. Strong JavaScript, TypeScript, HTML ...

intersection of core banking engineering and public/permissioned blockchain infrastructure. What you'll do Backend engineering — Design and ship enterprise-grade Java/Kotlin microservices and APIs that meet bank-grade availability, latency and security standards. Blockchain development — Implement on-chain business logic and workflows: smart contract interactions, mint ...

considered an advantage.* Previous experience in Technical Sales of Observability, Monitoring, APM, RUM, SIEM is desirable.* Proficiency in coding with high-level programming languages (Java, Go, Python) - advantage* Candidates should have hands-on experience and the ability to integrate these technologies into customer environments, providing tailored solutions that meet diverse ...

practical experience in system design, application development, testing, and operational stability Proficiency in Python and coding in one or more additional languages (e.g., Java, TypeScript, SQL) Experience building and consuming APIs and event‐driven services in a cloud environment Experience with data processing frameworks such as Apache Spark and working ...

maintaining code in a large corporate environment with one or more modern programming languages and database querying languages Experience administering Kafka event streaming software Java software development skills, particularly with Kafka consumers and producers Experience with Amazon Web Services (AWS) deployments Experience with Kubernetes deployments Solid understanding of agile methodologies ...

Minimum Qualifications Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. Professional software development experience using Python, Java, or Go. Experience designing, building, testing, and operating real-time data processing pipelines. Experience designing and implementing APIs within distributed software architectures. Experience with ...

similar role, with a strong emphasis on systems engineering, automation, and service reliability Proficient in at least one programming language such as Python, Go, Java, or C#, along with scripting skills in Bash or PowerShell Solid grasp of cloud platforms like AWS, including an understanding of how core services like ...

etc.). Experience working with cloud platforms such as AWS, GCP, or Azure for real-time data ingestion and storage. Programming skills in Python, Java, Scala, or a similar language. Proficiency in database technologies (SQL, NoSQL, time-series databases) and data modelling. Strong understanding of data pipeline orchestration tools (e.g. ...

Workato, Apache Camel, Tibco), prior consulting or client engagement, autonomy in delivering outcomes, cloud-native integration patterns (AWS, Azure, GCP), and a background in Java or similar languages. Reply is an Equal Opportunities Employer and committed to embracing diversity in the workplace. We provide equal employment opportunities to all employees ...

growth by raising automation levels, and helping us engineer a world-class money transfer product. What do you need? Engineering Expertise: Professional experience with Java or other JVM-based languages, including the Spring framework. Experience building and designing scalable web applications that handle large amounts of traffic - ideally using React ...