151 to 175 of 2,291 Java Jobs in London

Design, Implementation, Testing, Deployment and Support phases. Knowledge of Application servers such as Jboss/WebSphere. Technical experience with designing systems utilising OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services using XML/JSON, Spring security, SpringBoot and AMQP/RabbitMQ.Experience in writing ...

Experience designing production observability and tuning relational databases, ideally PostgreSQL Experience with Datadog or Prometheus Strong software-engineering or scripting skills in Python, Go, Java, Scala, or shell Track record of owning ambiguous cross-functional problems and clearly communicating tradeoffs Experience elevating developer productivity or developer experience Experience building self ...

APIs, microservices and event-driven architectures. Driving software quality, performance, security and scalability. YOUR SKILLS AND EXPERIENCE: You will bring strong capability in: Java and Kotlin backend development on the Spring stack. React, JavaScript and TypeScript. AI-assisted development, particularly using Claude and agentic engineering workflows. CI/CD pipelines ...

automate experiments, and ensure reproducible results. STEM graduate (or final-year student) with demonstrable coding ability. Strong Python skills (other OOP languages such as Java or C++ are welcome and seen as a plus). Practical experience with SQL and relational databases Comfortable with the command line and modern version ...

services (EC2, Lambda, Glue, EKS, S3, SQS, SNS) Background in designing distributed architectures and microservices solutions Proficient in backend technologies such as Python, Java, or C# (.NET) Strong knowledge of data platforms, SQL, ETL pipelines, and data lake architecture Familiarity with front-end technologies such as Angular Experience with ...

improvement Skills & Experience You will have experience in one or more of the following areas but you do not need experience in everything listed: Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS and/or Azure MERN stack Elasticsearch, Neo4J We value engineers who are open-minded, adaptable ...

mobile) In‐depth knowledge of the financial services industry and IT systems Practical cloud native experience Preferred Qualifications, Capabilities, and Skills: Experience with Java 21 Familiarity with Spring framework and Spring Boot Knowledge of RDBMS and NoSQL databases Experience with Kafka Expertise in microservices architecture Ability to leverage AI tools ...

confidently with architects, engineers, consultants and client technology teams. Exposure to technologies and concepts such as the following would be advantageous: AWS | SaaS | APIs | Java | Spring Boot | JavaScript | Node.js | Docker | Kubernetes | CI/CD | Cloud Architecture | Microservices | Systems Integration The ability to understand the architecture, challenge technical decisions and communicate ...

software engineering fundamentals with hands-on experience across the software development lifecycle, including system design, development, testing, release, and production support Proficiency in Python, Java, and JavaScript or TypeScript Experience building and supporting production-grade systems Experience in large-scale enterprise environments, developing, debugging, and maintaining code and data integrations ...

years of programming experience in Rust or C++ and the willingness to learn new languages quickly. With the expectation to contribute across Rust/Java/C++/Python codebases as required. Experience with Linux development: Experience with using Linux and developing software running on Linux. Experience with virtualisation ...

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 ...

Software Development Proven experience designing and developing microservice-based architectures A background in development with strong prior experience in languages and frameworks such as Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin Direct commercial experience with a major cloud provider. GCP is preferred Experience working in and advocating ...

Web3 libraries such as Web3.js, Ethers.js, or equivalent SDKs for Hedera and Algorand. Proficiency in one or more backend languages (e.g. Node.js, Python, Go, Java) and RESTful/event‐driven API design. Familiarity with blockchain development toolchains including Hardhat, Truffle, Foundry, or equivalent. Experience with version control (Git) and collaborative ...

Computer Science, Engineering, Mathematics, or equivalent experience2–5+ years of professional experience in building and deploying data solutionsStrong coding skills in Python, Scala, or Java, with the ability to write clean, maintainable, and scalable codeProven experience in building and maintaining production-grade data pipelines for advanced analytics use casesExperience working ...

that we deliver a high-quality end product to our clients? We work with a wide range of different technologies including .Net, C #, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each ...

adoption of AI-driven quality engineering across the team. What You Will Bring: Experience developing automated test frameworks using C# (.NET) (preferred) or Java, with Behaviour Driven Development frameworks such as SpecFlow or Reqnroll. Strong experience automating REST API and UI testing using tools such as Playwright, Selenium WebDriver ...

/Build and deployment automation: Jenkins, SonarQube, Artifactory, Bitbucket, Maven, Xcode Build, HelmInstrumentation and monitoring: Loki, Prometheus, Grafana, Mimir, Tempo TracingLanguages and frameworks: Bash, Java or Kotlin, Groovy, Python, ReactJS, SwiftWhere you have knowledge gaps, training and mentoring will be provided. About you: You have an automation-first mindset. ...

application development, testing, and operational stability, including leading technical delivery in complex environments. Advanced in one or more programming language(s), such as Go, Java or Kotlin. Advanced understanding of agile methodologies, CI/CD, application resiliency, and security, including setting standards and driving adoption across teams. Demonstrated proficiency ...

enterprise application architecture. Strong understanding of DevOps, CI/CD, Docker, Kubernetes, and Infrastructure as Code. Experience with multiple backend technologies such as Ruby, Java, Python, Node.js, or .NET.Strong understanding of security, authentication, networking, scalability, and system performance. Excellent communication, presentation, and influencing skills. Ability to explain complex technical concepts ...

automation frameworks. Familiarity with containerisation technologies (e.g., Docker) and orchestration tools (e.g., Kubernetes) for testing microservices in a containerised environment. Automated API testing with Java (e.g. RestAssured/SoapUI) Experience using collaborative tools such as Jira, Confluence, or similar for test case management, documentation, and communication within Agile/Scrum ...

financial/trading platforms and knowledge of financial marketsKnowledge of FIX protocol and ability to handle FIX interactionsIn-depth knowledge of AWS servicesExperience with Java, JavaScript or ReactExperience with serverless architecture and microservicesExperience with TDD, BDD or similar approachesBand & level: Manager, 7#LI-DIR #LI-HybridNot The Perfect Fit? Concerned that ...

Commercial software engineering experience in production environments (or equivalentdemonstratedthrough academic projects, internships, or shipped personal projects) Proficiencyin at least one primary backend language: Python, Java, or TypeScript Demonstrated hands-on experience using AI tools actively in day-to-day engineering work with practical examples of how AI was used ...

technical leadership, with the ability to mentor and influence teams. Excellent analytical, communication, and stakeholder management skills. Hands-on enterprise systems development experience (C#, Java, JavaScript/TypeScript, C++ or similar).Proficiency in cloud platforms (AWS preferred; Azure/GCP), containerisation, and microservices. Strong knowledge of APIs, system integration ...

while remaining an active hands-on contributor across DevOps, automation, infrastructure, and platform engineering initiatives.* Build and improve automated CI/CD pipelines for Java and Python applications across multiple environments.* Automate infrastructure provisioning, deployment, configuration, database schema creation, and operational workflows across cloud and on-prem platforms.* Support production ...

solve almost any problem. You possess strong software engineering skills in Python and at least one compiled or strongly-typed language (e.g. Go, Java, Rust, or TypeScript), and know how to build robust, production-grade systems. You are an expert in at least one major Cloud Solution Provider (e.g., Azure ...