151 to 175 of 883 Java Jobs in London

personalisation and real-time insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed More ❯

boost productivity and quality. Essential Requirements Strong full stack development skills, with proficiency in modern Front End frameworks (eg, React, Angular, Vue.js) and Back End languages (eg, Node.js, Python, Java). Hands-on experience with databases (SQL and NoSQL), cloud platforms (Azure/AWS), containerisation (Docker), and CI/CD pipelines. Experience implementing AI in a business context-such as More ❯

and iterate Lay the groundwork for the future engineering team (tooling, processes, and architecture) ✅ Core Technical Requirements Proficient in one or more modern backend languages (e.g. Python, Go, TypeScript, Java, Rust) Strong systems design skills — you can model real-world systems and reason about scale, latency, and trade-offs Comfortable building from zero — greenfield work doesn’t scare you; in More ❯

and iterate Lay the groundwork for the future engineering team (tooling, processes, and architecture) ✅ Core Technical Requirements Proficient in one or more modern backend languages (e.g. Python, Go, TypeScript, Java, Rust) Strong systems design skills — you can model real-world systems and reason about scale, latency, and trade-offs Comfortable building from zero — greenfield work doesn’t scare you; in More ❯

take ownership, solve hard problems, and build with purpose. Required Skills Degree in Computer Science, Engineering, or a related technical or scientific field Strong programming ability in C++ , Rust , Java , or Python Curiosity, discipline, and a willingness to learn across domains Useful Experience (Not Required) Docker, Kubernetes, or containerised environments PostgreSQL or other SQL databases Embedded or resource-constrained systems More ❯

A tech-agnostic approach with proficiency in at least one major language (experience with functional programming is a plus) Experience with some of the following technologies is beneficial: Elixir, Java, C++, Python, Phoenix LiveView, EmberJS, TypeScript, Postgres, AWS, Docker Why Join Them Work on cutting-edge technology that is reshaping global market infrastructure Thrive in a fast-paced, intellectually stimulating More ❯

A tech-agnostic approach with proficiency in at least one major language (experience with functional programming is a plus) Experience with some of the following technologies is beneficial: Elixir, Java, C++, Python, Phoenix LiveView, EmberJS, TypeScript, Postgres, AWS, Docker Why Join Them Work on cutting-edge technology that is reshaping global market infrastructure Thrive in a fast-paced, intellectually stimulating More ❯

CI/CD pipelines. Understanding of data privacy, compliance, and security in AI systems." Design, develop, and deploy containerized agent-based applications using Python, FastApi (programming experience in .NET, Java, or similar is desirable). ABOUT CAPGEMINI Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while More ❯

CI/CD pipelines. Understanding of data privacy, compliance, and security in AI systems." Design, develop, and deploy containerized agent-based applications using Python, FastApi (programming experience in .NET, Java, or similar is desirable). ABOUT CAPGEMINI Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while More ❯

Engineering, Bioinformatics, or related field (BSc, MSc, PhD) Experience with ML/NLP frameworks (e.g., PyTorch, TensorFlow, HuggingFace, Scikit-learn) Strong Python skills and familiarity with additional languages (e.g., Java, C++) Understanding of biomedical ontologies, knowledge graphs, or causal inference is a plus Familiarity with cloud platforms (AWS, Azure, GCP) and Linux environments Bonus Experience: Prior work in biomedical NLP More ❯

Engineering, Bioinformatics, or related field (BSc, MSc, PhD) Experience with ML/NLP frameworks (e.g., PyTorch, TensorFlow, HuggingFace, Scikit-learn) Strong Python skills and familiarity with additional languages (e.g., Java, C++) Understanding of biomedical ontologies, knowledge graphs, or causal inference is a plus Familiarity with cloud platforms (AWS, Azure, GCP) and Linux environments Bonus Experience: Prior work in biomedical NLP More ❯

/Treasury). Previous experience in Wealth Management/Private Banking environments. Exposure to Cloud-based Avaloq environments and DevOps tools (Jenkins, Git, Jira). Experience with scripting languages (Java, Python, Shell) for automation. More ❯

/Treasury). Previous experience in Wealth Management/Private Banking environments. Exposure to Cloud-based Avaloq environments and DevOps tools (Jenkins, Git, Jira). Experience with scripting languages (Java, Python, Shell) for automation. More ❯

/Treasury). Previous experience in Wealth Management/Private Banking environments. Exposure to Cloud-based Avaloq environments and DevOps tools (Jenkins, Git, Jira). Experience with scripting languages (Java, Python, Shell) for automation. More ❯

business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your More ❯

infrastructure and bare metal systems by a team responsible for release automation and configuration management. The test environments support a continuous release schedule across multiple groups. Platforms supported include Java, .NET, and a number of dynamic languages all running on applications servers integrated with several relational databases running Oracle, and SQL Server. The Test Environment Manager will interact with project More ❯

application development (AWS preferred). Hands-on experience in building and deploying Generative AI or LLM-based systems at scale. Proficiency in at least two programming languages such as Java, .NET, TypeScript, or Python, along with experience in modern frontend frameworks like React.js or Stencil. Deep understanding of authorization and authentication standards (OAuth) and secure-by-design development practices. Strong More ❯

Power Query, Power BI Desktop, Power BI Service, DAX, and M Query) Data/Statistical analysis experience (e.g. R or SPSS) Programming experience beyond simple 'selects' (e.g. SQL, Python, Java) Excellent communication and presentation skills for client-facing interactions High attention to detail and good organisational skills Strong analytical skills able to understand processes, gather and shape requirements, articulate visualisations More ❯

Language Processing (NLP). Hands-on experience with Google Cloud Platform (GCP) services, such as Vertex AI, BigQuery, Cloud Functions, and Cloud Storage. Strong programming skills in Python (preferred), Java, or similar languages, including experience with ML frameworks (TensorFlow, PyTorch, etc.). Familiarity with regulatory environments in banking/finance and understanding of regulatory change management processes. Knowledge of automation More ❯

Language Processing (NLP). Hands-on experience with Google Cloud Platform (GCP) services, such as Vertex AI, BigQuery, Cloud Functions, and Cloud Storage. Strong programming skills in Python (preferred), Java, or similar languages, including experience with ML frameworks (TensorFlow, PyTorch, etc.). Familiarity with regulatory environments in banking/finance and understanding of regulatory change management processes. Knowledge of automation More ❯

AWS, GCP, and Azure) Experience with scripting and editing existing code and programming using one or more of the following - Perl, Python, ruby, bash, C/C++, C#, or Java Ability to read and use the results of mobile code, malicious code, and anti-virus software Demonstrable experience of threat-intelligence led red teaming frameworks such as CORIE, CBEST, TIBER More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. More ❯

Java Software Engineer An ambitious, fast-growing digital asset company building scalable, secure, and high-performance financial platforms are looking for Java Software Engineers to join their London-based engineering team. What You’ll Do Design, build, and maintain microservices using Java (Spring Boot) Develop and deploy cloud-native solutions on AWS Work with Kubernetes and Docker to manage and … blockchain specialists to deliver robust backend services Contribute to architectural decisions and help shape the technical direction of our platforms What We’re Looking For Strong commercial experience with Java and Spring Boot Event Driven/Kafka Proven experience working with AWS and containerisation tools (Kubernetes, Docker) A passion for clean, efficient, and scalable code Strong problem-solving skills and More ❯

Java Software Engineer An ambitious, fast-growing digital asset company building scalable, secure, and high-performance financial platforms are looking for Java Software Engineers to join their London-based engineering team. What You’ll Do Design, build, and maintain microservices using Java (Spring Boot) Develop and deploy cloud-native solutions on AWS Work with Kubernetes and Docker to manage and … blockchain specialists to deliver robust backend services Contribute to architectural decisions and help shape the technical direction of our platforms What We’re Looking For Strong commercial experience with Java and Spring Boot Event Driven/Kafka Proven experience working with AWS and containerisation tools (Kubernetes, Docker) A passion for clean, efficient, and scalable code Strong problem-solving skills and More ❯

Senior Java Developer – London/Hybrid – Up to £90,000 + Benefits We’re partnered with an innovative fintech scale-up that’s redefining the credit and lending space. Backed by leading VC investors and operating successfully for the past decade, the business is now entering a new growth phase and looking for a Senior Java Developer to join their … You’ll have the opportunity to work on a modern product roadmap, building next-generation platforms and payment systems that are shaping the future of digital lending. Tech Stack Java 11+ Spring Boot AWS Microservices architecture Docker/Kubernetes Kafka (or similar messaging tools) Key Responsibilities Design and develop high-performance, low-latency software components. Contribute across the full software … cross-functional teams (Product, QA, DevOps, Data). Champion continuous improvement and innovation. Projects You’ll Work On Migration from monolithic to microservices architecture. Upgrading core systems to newer Java versions. Enhancing UI frameworks (e.g., Vaadin). Building a new lender platform and modern payment systems. Who You Are A hands-on, pragmatic engineer who thrives in collaborative, fast-moving More ❯