151 to 175 of 375 Java Jobs in London

Science or a related field Minimum of 3 years of experience in full stack development Proficiency in programming languages such as JavaScript, Python, and Java Experience with front-end frameworks like React or Angular as well as backend Javascript frameworks such as NodeJS, ExpressJS, or NestJS. Knowledge of database systems ...

developing intuitive, high-performing, modern frontend web applications ( NextJS/React preferred). Backend Expertise: You're confident building and operating backend services with Java frameworks using modern cloud environments. Additional tools and technologies such as gRPC, GCP, BigQuery, and Bigtable are a strong plus. Agile Mindset: You enjoy working ...

integration Strong distributed systems and troubleshooting experience Experience in real-time/high-throughput environments Strong SQL and backend/scripting skills (C#, Python, Java, C++) Customer-facing delivery experience Capital markets experience is a bonus This is a high-impact integration role focused on ownership, solution design, and client ...

engineering or systems integrationStrong distributed systems and troubleshooting experienceExperience in real-time/high-throughput environmentsStrong SQL and backend/scripting skills (C#, Python, Java, C++)Customer-facing delivery experienceCapital markets experience is a bonusThis is a high-impact integration role focused on ownership, solution design, and client delivery ...

long‐term architecture. Own hiring, development, and the long‐term impact of the team. Qualifications Strong, hands‐on technical experience in OOP languages (Java or similar) and modern tech stacks such as REST APIs, microservices, distributed systems, and CI/CD pipelines. Experience architecting for scale and efficiency, particularly designing ...

telematics, automotive, fleet, or transport technology Geospatial systems and location intelligence Technical Environment Experience across several of the following is valuable: Python, TypeScript, Go, Java, or similar REST APIs and distributed architectures AWS and cloud infrastructure PostgreSQL and data-intensive systems Docker, CI/CD, observability, and reliability engineering Third ...

looking forWe are looking for an enthusiastic full-stack developer to write high performance Java and Rust code as part of the EFX London teamEFX is a multi-platform team that writes bespoke trading solutions that trades FX globally all week on a follow the Sun basis. Our systems ...

technologies, including hands‐off expertise with sophisticated proofs‐of‐concept and public cloud platform(s). Coding expertise in a core programming language (Python, Java, Scala). Foundational understanding of Apache Spark architecture is preferable; hands‐on skills will be advantageous. Key Notes for the role: Location for the role ...

Product, Sales and more, to keep Google AdMob as a trusted partner for many existing and future apps.### Skills Required* Full Stack Development* Java* C++* Android* iOS* JavaScript* TypeScript* Software Testing* Software Maintenance* Software Launch* Software Design* Software Architecture* Machine Learning* Data Structures* Algorithms* Technical Leadership* Big Data* Information Retrieval ...

Infrastructure that other teams depend on, not individual model work. Strong software engineering fundamentals - you build reliable, well‐tested, maintainable systems. Python, Kotlin/Java, SQL. Experience with ML orchestration (Airflow, Kubeflow, or equivalent), model registries (MLflow or similar), and container‐based deployment End‐to‐end understanding ...

Confluence Experience working in a data-centric organisation Desirable Skills React front-end development React. Native cross-platform mobile application development Android development (Java/Kotlin/Dagger2) Image Processing, ANPR (automated number plate recognition) and OCR library implementations Exposure to process modelling, for example in BPMN IoT relay control ...

leading engineering teams and managing end‐to‐end software delivery within Financial Services organisations. Strong technical background in one or more core stacks (e.g. Java, .NET, or similar) with hands‐on coding experience. Deep understanding of Cloud technologies and modern DevOps practices. Demonstrated success in building scalable systems and delivering ...

related technical field, or equivalent practical experience. 8 years of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript). Preferred qualifications Experience collaborating effectively across organizational boundaries, building relationships, and importing and exporting ideas to achieve broad organizational goals. Experience leading technical ...

including hands‐on expertise with sophisticated proofs‐of‐concept and public cloud platform(s). Coding expertise in a core programming language (i.e., Python, Java, Scala). A foundational understanding of Apache Spark architecture is preferable; hands‐on skills will be advantageous for the role. We will be testing your ...

based delivery of software BS/MS in Computer Science or related field. Familiarity with any or some of tech stack and languages: Java, Golang, No‐SQL databases, Apache kafka, caching technologies like Redis, authN/AuthZ. Benefits of Working at CrowdStrike Market leader in compensation and equity awards Comprehensive ...

Computer Science, a related field, or equivalent practical experience. 7 years of experience in software or data engineering, including programming in Python, Go, or Java, and experience with design patterns, testing frameworks, and API contract design. Experience in back-office clearance, trade reconciliation, and identifying or mitigating transaction settlement risks. ...

engineering, workflow orchestration, and machine learning operations. Excellent communication skills with the ability to influence cross-functional teams and stakeholders. Experience with Python, SQL, Java, HQL, Hive, Pyspark, or similar programming languages preferred Well-versed in design thinking principles Great problem solving and analytical skills The total cash range ...

squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure ...

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 ...

Software Developer (Java/Oracle) - SC Cleared Location: London or Leeds (Hybrid - 50% onsite) Duration: 6 months Clearance: SC Cleared (an active SC Clearance is required) Our high profile Banking client is looking for an experienced Software Developer to join a collaborative working group supporting a critical payments platform environment. … quality, performance, and maintainability Support and troubleshoot production environments Quickly learn and adapt to the RTGS2 ecosystem Essential Skills & Experience Oracle PL/SQL Java Spring Boot Kafka Hibernate Proven track record in code delivery and production support Strong organisational skills and self-motivation High level of integrity and accountability ...

Lead Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) About the Role We are seeking a highly skilled and hands‐on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution … family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams. Key Responsibilities Design, develop, and maintain complex Java and Python applications using modern engineering practices. Build/embed AI‐powered features into mission‐critical systems. Architect and enhance services that support large scale ...

About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing ...

Corporate Actions Platform owning the end‐to‐end delivery of critical components. Design and implement scalable, high‐performance full‐stack solutions using Java, Oracle, and enterprise messaging frameworks. Utilise and drive adoption of AI capabilities into the team’s daily practice to accelerate delivery. Ensure all solutions align with architecture … Technical Skills Significant experience in software engineering with additional experience in leadership roles (e.g., Head of Engineering, Technical Lead). Expert‐level proficiency in Java and frameworks like Spring Boot for building microservices. Strong expertise with relational databases (Oracle) and data modelling (canonical data models, JSON). Deep experience with ...

Role Profile The Senior lead Scala Engineer will play a key role in the engineering and delivery of a critical market‐infrastructure service within the Equities platform, with a strong focus on AWS cloud‐native ...

# Sr. Java DeveloperDeveloperLondonAugust 20, 202588400 - 98700/monthFull TimeApplication ends: **May 12, 2026**Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. They collaborate with cross-functional teams to deliver scalable and efficient solutions, troubleshoot complex issues, and optimize system … capabilities, and staying updated with emerging technologies are essential for driving innovation and ensuring seamless application performance.### Key Responsibilities* Design, develop, and implement complex Java-based software solutions effectively.* Collaborate with team members to define project requirements accurately.* Optimize application performance for scalability, security, and efficiency consistently.* Troubleshoot and resolve ...