151 to 175 of 228 Java Jobs in Central London

proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. Good Java programming skills. Open to building test automation skills in Typescript and Playwright. Participate in the continuous improvement of the Quality Engineering process, including the implementation of best practices and automation More ❯

on experience supporting CTRM environments and their upstream/downstream systems. Good grasp of Risk, P&L, and P&L attribution concepts. Proficiency in at least one programming language (Java, .NET, etc.); knowledge of OpenJVS is an advantage. Working knowledge of SQL and database analysis for troubleshooting and performance optimization. Experience supporting teams across multiple regions and time zones. Willingness More ❯

on experience supporting CTRM environments and their upstream/downstream systems. Good grasp of Risk, P&L, and P&L attribution concepts. Proficiency in at least one programming language (Java, .NET, etc.); knowledge of OpenJVS is an advantage. Working knowledge of SQL and database analysis for troubleshooting and performance optimization. Experience supporting teams across multiple regions and time zones. Willingness More ❯

resource-constrained environments. What We Look For 2 to 4 years of experience deploying deep learning models to mobile or edge devices, ideally Android. Strong proficiency in Python and Java or Kotlin, with experience translating ML code between languages. Practical experience with mobile inference frameworks such as TensorFlow Lite, ONNX Runtime, or similar tools. Familiarity with GPU acceleration on mobile More ❯

resource-constrained environments. What We Look For 2 to 4 years of experience deploying deep learning models to mobile or edge devices, ideally Android. Strong proficiency in Python and Java or Kotlin, with experience translating ML code between languages. Practical experience with mobile inference frameworks such as TensorFlow Lite, ONNX Runtime, or similar tools. Familiarity with GPU acceleration on mobile More ❯

influencing skills Proactive attitude towards learning and adapting to new technologies and industry best practices Ability to work autonomously as well as collaboratively within a team setting Proficiency in Java, .NET and JavaScript Experience working with AWS and Infrastructure as Code Experience in supporting a trading or investment platform Information Technology degree or equivalent experience CMC Markets is an equal More ❯

robotic applications Experience in conducting seminars/trainings Excellent in troubleshooting and diagnosing issues Excellent computer and interpersonal skills Proficiency in a high-level programming language such as C Java/Python/Lua (a plus) Job profile: The ideal candidate is expected to be: An approachable individual who prides in providing a high standard of service and support to More ❯

robotic applications Experience in conducting seminars/trainings Excellent in troubleshooting and diagnosing issues Excellent computer and interpersonal skills Proficiency in a high-level programming language such as C Java/Python/Lua (a plus) Job profile: The ideal candidate is expected to be: An approachable individual who prides in providing a high standard of service and support to More ❯

or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable … help engineers thrive. Energised by fast paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript Java (21) and Spring Boot/JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s More ❯

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. Opus have … partnered with a VC Backed Fintech start-up who are looking to grow their London office. They are growing quickly so are looking for Java Developers of all levels from Mid – Tech Lead to join the team. They are currently about 100 people strong and looking to double this within the next 12 months. As a Developer you will be … building and maintaining high performing back end systems. The sort of projects you will be involved in is building API’s , developing microservices and upgrading existing systems. Experience needed – Java 21 TDD AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is in it for you? Hybrid working More ❯

APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Developer Location: Manchester, Cheltenham or London Clearance required: eDV Duration: 5+ months Role Description: • Java development • Object store configuration and containerisation • Docker, Kubernetes • Back-end software development using Python and Java • Relational databases and SQL • Experience integrating 3rd party software, scripting/glue work • Experience More ❯

APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Developer Location: Manchester, Cheltenham or London Clearance required: eDV Duration: 5+ months Role Description: • Java development • Object store configuration and containerisation • Docker, Kubernetes • Back-end software development using Python and Java • Relational databases and SQL • Experience integrating 3rd party software, scripting/glue work • Experience More ❯

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2024 totaled $13.8 billion. Preferred/Desired Skills Java coding, cloud computing preferable AWS, Kubernetes, Kafka and Terraform experience and knowledge Job Description: Building microservices in Java, ideally with a broad experience of frameworks, including asynchronous frameworks like Project More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for you … What you’ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … integration, and non-functional testing ⚡ Contribute to CI/CD practices with Jenkins and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for you … What you’ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … integration, and non-functional testing ⚡ Contribute to CI/CD practices with Jenkins and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes More ❯

post-placement follow-up Build and maintain strong client relationships, understanding their hiring needs and providing market insights Source and screen candidates for technical roles (SAP, ERP, CRM, DevOps, Java, Cloud, Digital, Blockchain, etc.) Negotiate offers and manage the end-to-end placement process Meet and exceed agreed KPIs and revenue targets Requirements Minimum 12 months 360 recruitment experience (tech More ❯

deep knowledge of technologies such as Apache Flink, Kafka, and Spark to design reliable data pipelines and event driven systems Leverage your experience with modern backend languages such as Java, Scala, or Go to build and scale services that power mission critical products Set engineering best practices, mentor teams, and raise the bar for technical excellence across the organisation Partner More ❯

deep knowledge of technologies such as Apache Flink, Kafka, and Spark to design reliable data pipelines and event driven systems Leverage your experience with modern backend languages such as Java, Scala, or Go to build and scale services that power mission critical products Set engineering best practices, mentor teams, and raise the bar for technical excellence across the organisation Partner More ❯

Solid grasp of mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with More ❯

Solid grasp of mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with More ❯

Solid grasp of mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with More ❯

Java Engineer – Greenfield Trading Systems | World-Renowned Bank Join a globally recognized financial institution celebrated for its commitment to innovation and cutting-edge technology. Our client is embarking on an exciting greenfield project to build next-generation trading engines and investment strategy platforms that will shape the future of their trading operations. They are looking for a highly experienced Java … and thrives on designing modern, scalable architectures. Key Responsibilities: Collaborate with cross-functional teams to build high-performance trading systems from the ground up. Design and implement robust, scalable Java-based services within a containerized environment. Contribute to architectural decisions, ensuring best practices in reliability, latency, and performance. Bring technical leadership to a highly skilled engineering team in a fast … paced trading environment. Key Skills & Experience: 5+ years of hands-on experience with Java in high-performance environments Strong understanding of trading systems and investment workflows Experience with Kubernetes and container orchestration Familiarity with modern system design, microservices, and CI/CD best practices What’s in it for you? Competitive Salary – commensurate with experience 10% Pension Contribution Private Healthcare More ❯

Java Engineer – Greenfield Trading Systems | World-Renowned Bank Join a globally recognized financial institution celebrated for its commitment to innovation and cutting-edge technology. Our client is embarking on an exciting greenfield project to build next-generation trading engines and investment strategy platforms that will shape the future of their trading operations. They are looking for a highly experienced Java … and thrives on designing modern, scalable architectures. Key Responsibilities: Collaborate with cross-functional teams to build high-performance trading systems from the ground up. Design and implement robust, scalable Java-based services within a containerized environment. Contribute to architectural decisions, ensuring best practices in reliability, latency, and performance. Bring technical leadership to a highly skilled engineering team in a fast … paced trading environment. Key Skills & Experience: 5+ years of hands-on experience with Java in high-performance environments Strong understanding of trading systems and investment workflows Experience with Kubernetes and container orchestration Familiarity with modern system design, microservices, and CI/CD best practices What’s in it for you? Competitive Salary – commensurate with experience 10% Pension Contribution Private Healthcare More ❯

Join CMC Markets' Pricing and Risk team, where youll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team, driving … is an onsite role that will require you to work within our London office (near Liverpool street) 5 days on site per week . *** What Youll Do Expert Level Java Development: You will apply your in-depth knowledge of the Java programming language (21+) to implement world class trading and pricing systems. Collaborative Development: Design and develop innovative pricing and … tailored to the ever-changing financial landscape. Career Advancement: Opportunities for career growth, including leadership roles, are encouraged and supported by our mentorship programs. What Were Looking For Strong Java development experience within financial systems, ideally in pricing or risk-related applications. Not just a coder, but someone who also focuses on applying best practices, design patterns and principles to More ❯

minimum of five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally More ❯