151 to 175 of 1,519 Java Jobs in London

learn to name a few of the open-source libraries we use extensively. We implement the systems that require the highest data throughput in Java and C++. We use Airflow for workflow management, Kafka for data pipelines, Bitbucket for source control, Jenkins for continuous integration, Grafana + Prometheus for metrics ...

instrumental in designing, developing, and implementing robust, scalable, and AI-enabled solutions across our platforms. The successful candidate will possess deep expertise in Java, Angular, microservices, and event-based architectures, combined with a proven ability to leverage agentic AI to create intelligent agents that solve complex business challenges. This … integrating advanced AI capabilities into our core engineering practices. Key Responsibilities: Design, develop, and maintain high-performance, scalable, and secure full-stack applications using Java, Angular, microservices, and event-based architectures. Lead the integration of AI capabilities into existing and new applications, focusing on creating and deploying agentic AI solutions ...

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 ...

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 ...

display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking an experienced Senior Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to achieve medium … career goals. You will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively ...

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions ...

foster them, it's deeply embedded within our DNA. Invest in us and we'll invest in you! Job Description As an Intermediate Java Software Engineer, you will be part of a cross-functional team, working on developing high-quality, maintainable software solutions to meet our clients' needs. You will … contribute to process improvements, while also taking ownership of key tasks and responsibilities within the project. You will use programming languages such as Java and associated frameworks (e.g., Spring/Spring Boot, JUnit, Hibernate, etc.) to develop software that aligns with client requirements. You will follow best engineering practices ...

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScriptUp to £550 per day (Inside IR35) Remote6 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 is essential. Key Requirements … Strong experience developing full stack applications using Java (Spring Boot), React and TypeScript. Active SC Clearance - Must have. 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. Experience applying Test ...

help insurers, reinsurers, brokers, and MGAs modernize operations, enhance underwriting and claims capabilities, and accelerate digital transformation using data, analytics, and advanced platforms. Java Software Engineer – AI Enabled Engineering · UK We are seeking a skilled Java Software Engineer with a growing interest and demonstrated exposure to AI/ML integration. … This role is primarily Java-centric — you will design and build cloud-native microservices on our BPA (Beyond Policy Administration) platform — with the expectation that you actively apply AI tooling and patterns to accelerate delivery, improve code quality, and contribute to our emerging AI-driven product features. The right candidate ...

experience as a Technical Architect, Lead Developer, or Solution Architect. Expertise in cloud platforms (AWS, Azure, or GCP). Hands-on experience with Node.js, Java, and/or Python. Knowledge of microservices, serverless, APIs, DevOps, Docker, Kubernetes, and IaC. Understanding of GDS standards, security-by-design, and public sector delivery. ...

ForStrong experience as a Technical Architect, Lead Developer, or Solution Architect. Expertise in cloud platforms (AWS, Azure, or GCP).Hands-on experience with Node.js, Java, and/or Python. Knowledge of microservices, serverless, APIs, DevOps, Docker, Kubernetes, and IaC.Understanding of GDS standards, security-by-design, and public sector delivery. Excellent ...

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 working as a Release Manager within the Public Sector. Active SC Clearance. Own and coordinate end-to-end release cycles for AWS-hosted Java/Spring Boot services, ensuring readiness, dependency management, quality checks and stakeholder communication. Oversee deployments through CI/CD pipelines (Jenkins or similar), managing environments ...

Angular codebase. You'll have focus on frontend projects, using modern Angular 21 as well as writing and optimising SQL database queries, with some Java backend exposure. You'll input into technical discussions and decision making, as a senior member of a small team where you'll be able ...

front-end technologies: React/Angular/Vue, HTML5, CSS3, JavaScript/TypeScript Solid experience in back-end technologies: Node.js/.NET/Java/Python, REST APIs, GraphQL Strong understanding of databases: SQL (PostgreSQL, MySQL, SQL Server) Hands-on experience with cloud services, ideally Azure or AWSPreferred Experience ...

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 ...

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 ...

backend or distributed systems engineering Strong experience designing and building microservices-based architectures Proficiency in at least one modern backend language (e.g., Go, C++, Java, Python, or similar) Experience designing and implementing APIs (REST and/or gRPC) Deep understanding of distributed systems concepts (consistency, availability, partition tolerance, etc.) Experience ...

fast‐paced enterprise environment. Programming Core: Deep expertise in Apex and JavaScript (ES6+), with strong roots in Object‐Oriented Programming (such as Python, Java or C#) an advantage. Front‐End & UI: Extensive hands‐on experience building modern UI components with Lightning Web Components (LWC) and Aura. Integrations: Proven track record ...

Computer Science, Engineering, Maths, Physics). Coding Aptitude :3+ years ofprogramming experiencein Rust orC++ and the willingness to learn new languages quickly.Withtheexpectation tocontributeacrossRust/Java/C++/Pythoncodebases asrequired. Experience with Linux development : Experience with using Linux and developing software running on Linux. Experience with virtualisation and containers ...