251 to 275 of 876 Java Jobs in London

Java Fullstack with Camunda developer at N Consulting Ltd Location: London Job Type: Contract Experience: 5+ Years (including 1.5+ years in Camunda BPM) Domain (Optional):Banking We are looking for an experienced Java Full Stack Developer with Camunda BPM experience to design and develop scalable, workflow-driven web applications. This role combines deep backend expertise in Java/Spring Boot … development skills and strong understanding of Camunda BPMN process orchestration. Design and develop BPMN 2.0 workflows and DMN rules using Camunda Modeler . Develop backend services and APIs using Java , Spring Boot , and microservices architecture . Build dynamic, responsive UIs using Angular , React , or Vue.js . Integrate Camunda workflows with REST APIs, databases, messaging systems (Kafka/RabbitMQ), and user … other developers to deliver complete solutions. Deploy and monitor applications using Docker , Kubernetes , and CI/CD pipelines. Required Skills & Experience: 3-5 years of hands-on experience with Java , Spring Boot , Spring Cloud , REST APIs Strong expertise with Camunda BPM (v7 or v8) - BPMN, DMN, external tasks, process orchestration Experience in Angular , React , or Vue.js Other Technologies: Integration experience More ❯

the backend architecture and technical direction of back-end services for our SaaS B2B platform, ensuring scalability, performance and security Microservices: lead the design and maintenance of microservices using Java 21 and Spring Boot, ensuring best practices in modularity, resilience and maintainability Cloud & Infrastructure: play a crucial role in our cloud infrastructure with Kubernetes (K8s) on AWS, leveraging Docker for … technical leadership and mentorship to engineers, building a culture of excellence, innovation and continuous learning Qualifications 10+ years of experience in back-end development, with a strong focus on Java (preferably Java 21) and Spring Boot Proven experience in designing and developing microservices-based architectures Hands-on experience with AWS services , including EC2, and a strong understanding of Kubernetes (K8s … and problem-solving skills with a focus on delivering scalable solutions Strong communication skills with the ability to articulate complex technical concepts to non-technical stakeholders Technologies Back-end: Java 21, Spring (Boot 3+/Cloud/Data/REST), Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, k8s, Cognito, S3) Front-end: TypeScript, React More ❯

Senior Java Engineer | #1 fastest growing tech company | £75k - £90kJava, Python, Gradle, Grafana, Gitland, CI/CD, Spring, Openshift, JunitWant to work for the #1 fastest growing tech company with a staggering growth of 182% across 3 years Want to be part of a group that has landed multi-million-pound contract with the government agencies Perhaps, you want to … with a team that’s all about pushing the boundaries and innovating. Not just code, but how they work, think and deliver into their world-renowned clients.As a Senior Java Developer, you’ll be building modern, scalable systems that support everything from payment services to customer-facing digital products.You’ll be working within a team that’s passionate about improving … how software gets built and delivered. From tightening up data integrity to enhancing automated testing in both Java and Python, new joiners will be involved in projects that truly elevate product quality.You’ll also be exposed to the DevOps side because the developers actively help to maintain smooth CI/CD processes using gitlab while keeping systems healthy and performant. More ❯

Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React Typescript AI (desirable) Java (desirable) AWS SQL Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV. More ❯

national and either hold or be willing to obtain a higher level Security Clearance. Building, Leading, and Mentoring Development Teams Comprehensive experience in developing using modern programming languages (e.g., Java, Go, Python) with code written to a common standard. Experience with public cloud technologies (AWS, GCP, Azure) and associated principles. More ❯

with one of the premier teams within one of the top Quant Tech firms globally. Requirements: Strong prior experience developing market data feeds systems (ideally within C++ but Python, Java, Go are also acceptable) Experience working within a hedge fund or market data tech firm Strong Object-Oriented Design (OOD) experience Experience working in agile environments This is an immediate More ❯

Software Developer with Liferay or Angular You have a degree in Engineering, Computer Science or other IT related education please (Bachelor/Master). Must be very enthusiastic about Java-based web/enterprise application development and deployment and have experience with Java. The Client would like to see working knowledge and at least 2 to 3 years experience with More ❯

salary expectations during the application process, and our Talent Team will have an open, honest conversation. Skills & Experience Significant experience designing and building large-scale backend systems (Kotlin/Java, Python, Scala, or other languages). Deep understanding of: Domain-driven design systems Modular monoliths Distributed systems Microservices Pipelines Knowledge of security best practices including OAuth, SSO, data protection, and More ❯

hinges on possessing a diverse skill set encompassing Linux, Kubernetes, Azure Cloud, Infrastructure as Code, and CI/CD workflows leveraging Azure DevOps or Jenkins. In addition, familiarity with Java applications and platforms based on microservices would be highly advantageous. If you're ready to lead to take on such a challenge, this could be the role for you. More ❯

will be exposed to: Developing a robust platform integrated on high-performance, AWS deployed systems. Building a high-throughput C++11/14 system. An opportunity to learn C#/Java/Python on the job, the team likes to integrate other tech as they go. You will be responsible for multiple projects from the early design phase to implementation, to More ❯

Qualifications Experience with Data Structures or Algorithms from university, an internship, open-source hobby coding, or other practical experience. Coding experience in one of the following programming languages: C++, Java, Python or Go. A solid foundation in computer science with strong competencies in data structures, algorithms, and software design. Preferred qualifications: Professional Go knowledge with an interest in financial applications More ❯

throughput systems, and guiding development teams in containerizing their applications. Your expertise will be crucial in supporting systems across a hybrid cloud and on-premise infrastructure. Essential Skills & Experience Java : Proven hands-on experience building and supporting high-scale applications (e.g., FX trading systems). Authentication Systems : Direct experience with Ping Identity, with a preference for ForgeRock. Policy-as-Code More ❯

throughput systems, and guiding development teams in containerizing their applications. Your expertise will be crucial in supporting systems across a hybrid cloud and on-premise infrastructure. Essential Skills & Experience Java : Proven hands-on experience building and supporting high-scale applications (e.g., FX trading systems). Authentication Systems : Direct experience with Ping Identity, with a preference for ForgeRock. Policy-as-Code More ❯

Role Responsibilities: 10+ years backend development experience. 5+ years experience in technical & people leadership. Confident leading large teams of up to at least 100. Essentials: Python OR Golang OR Java, Linux, AWS, RestAPIs. Can be a specialist in either one of Python, Golang or Java. No need to have all 3. Additional: Kubernetes, Node, Gitlab, SQL, DevOps. Good collaboration skills More ❯

Support DevOps teams with deployment and environment issues. Skills and experience required: Relevant experience working with Scrum teams specialising in both manual testing and test automation. Proficiency with either Java or Groovy. Experience as a Senior Quality Engineer with proficiency in Pega testing and test automation tools. Experience with CI/CD pipelines and Azure Test Plans. London Market Insurance More ❯

Proficiency in SQL. Experience as a Technical, Business, Systems, or Functional Analyst. Good understanding of Trade and Transaction reporting, especially in FI, FX, and e-commerce. Knowledge of .NET, Java, Python is beneficial but not essential. Strong knowledge of financial markets and regulations, with experience in trade flows and systems. Excellent written and verbal communication skills. Strong analytical and problem More ❯

own tasks and spend time on new developments and research. The candidate: Extensive experience in Software Engineering Experience with Go and/or Python make you the ideal candidate. Java also interesting You have a deep understanding of system design, data structures, and algorithms. Comfortable in cloud environments Test coverage is as important as the code itself Not scared of More ❯

with football analyst team to ensure data utility and accuracy Skills, Knowledge and Expertise Postgres : Familiarity with Postgres and/or other traditional RDBMS. Programming Proficiency : Strong skills in Java (Spring), experience in Python, and working knowledge of R Cloud & Infrastructure : Hands-on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful More ❯

experience with SQL Experience as a Technical, Business, Systems or Functional Analyst Good understanding of Trade and Transaction reporting especially in FI, FX and e-commerce. Experience of .Net, Java, Python, are benefical but not essential Strong knowledge of financial markets and regulations with experience of trade flows/systems Excellent communication skills, both written and verbal Strong analytical and More ❯

for a C++ developer to be part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be focusing on the C++ components. The ideal candidate: Is motivated by working in a high performing team, Is flexible to change of work streams as More ❯

improvement initiatives. Contribute to hiring efforts and mentoring junior engineers. What We're Looking For 5+ years of experience in software development with at least 2 server-side languages - Java being must have Proven experience with microservices architecture and scalable, distributed systems. Proficient in data technologies like MySQL , Hadoop , or Cassandra . Experience with batch processing , data pipelines , and data More ❯

rapidly resolve them. This is not an operations role, but the job will provide second-level support when expertise is required, potentially out of hours. Minimum Qualifications Swift/Java programming or similar high level language programming experience Large-scale services - Experience designing, delivering, and operating large-scale services. Quality focus - Strive to improve quality, ease of operation, and reliability. More ❯

and error handling to support monitoring and incident response. ? Align implementations with InfoSum's privacy, security, and compliance practices. Required Skills and Experience: ? Proven experience with Apache Spark (Scala, Java, or PySpark), including performance optimization and advanced tuning techniques. ? Strong troubleshooting skills in production Spark environments, including diagnosing memory usage, shuffles, skew, and executor behavior. ? Experience deploying and managing Spark More ❯

and error handling to support monitoring and incident response. ? Align implementations with InfoSum's privacy, security, and compliance practices. Required Skills and Experience: ? Proven experience with Apache Spark (Scala, Java, or PySpark), including performance optimization and advanced tuning techniques. ? Strong troubleshooting skills in production Spark environments, including diagnosing memory usage, shuffles, skew, and executor behavior. ? Experience deploying and managing Spark More ❯

are solving with our product. Participate in internal reviews and design sessions to keep our product up to date. 3 - 5 years relevant experience working with one of Python, Java or C++ (Python preferred) Practical experience with working collaboratively with version control systems like Git, using platforms like GitHub or GitLab Preferred Requirements Comfortable using a Unix-based operating system More ❯