126 to 150 of 157 Java Developer Jobs in London

Java Software Developer – Trading Systems (Remote) Amsterdam or LondonQuant Capital is partnered with a leading technology-driven trading firm looking to hire an experienced Java Software Developer. This is a hands-on engineering role building the core software platform used across research, trading systems and operations. … research and infrastructure teams, improving performance, extending platform capability and supporting new markets, products and functionality. What you will be doing Build and improve Java-based systems used across trading and research Extend core research infrastructure and distributed platform components Design scalable storage and data systems with strong reliability ...

different coding language, research bleeding edge technologies, or play around with one of our environments. There is also regularly scheduled time to improve developer experience and reduce technical debt - directed by developers. Our continuous integration and testing culture allows us to have confidence in our builds and develop quickly. … pull requests, we push directly to our monorepo with a "revert first, ask questions later" attitude. If you want to work with great developer practices like fast feedback across all aspects of your work, a cooperative culture, and only shipping things when they're ready, while being ...

Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, and Algorithms. Knowledge of additional technologies such as Scala, React, Spring ...

Kate Matthews Solutions is actively seeking mid to senior level Java Developers to join a fast-growing FinTech in the UK. This role centers on rebuilding the tech stack using Kafka and Kafka Streams to create a scalable backbone for rapid growth. You will solve real-world problems ...

able to offer a more attractive range of opportunities. All discussion is fully confidential. Job Description We are looking for very strong Java Developers. Do you think you have what it takes? We are looking for Java developers who have in depth knowledge of backend development with Java. … going to work on one of Europe’s most exciting financial services products.. You should be proficient in Java full stack development. You will be creating and developing a system related to Banking and Payments. You should have some Kotlin experience in your projects for a Plus. You should ...

Methods is seeking a Java/Python Developer to help manage, build, develop and design Java applications with strong exposure to Spring Boot, microservices and system design. You will work as part of an Agile squad to develop Market Risk applications, collaborate with stakeholders, and shape ...

Methods Business and Digital Technology is seeking a Full Stack Developer to design, build and test cloud-based applications across the full stack. You will work on front-end and back-end development, creating prototypes, APIs, and services that support discovery work within UK-based projects. You will contribute ...

BrokerTec, MarketAxess). Configure and support FIX, streaming, and venue‐specific protocols, ensuring accurate and reliable messaging. Develop high‐performance, scalable services using Core Java (8/11/17). Build and enhance components for pricing, order routing, and execution workflows. Apply low‐latency, event‐driven, and asynchronous … system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands‐on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with electronic market protocols: FIX (4.x ...

Citibank (Switzerland) AG in London/Global Tech is seeking a senior Java engineer to design and deliver high‐performance trading platform components. You will collaborate with Traders, Quants and PMs to translate business needs into scalable solutions for live markets. The role requires deep Java expertise, knowledge ...

Sunday Times Tech Track 100. They are looking to revolutionise the banking industry via cutting-edge technology and require mid and senior level Java Developers to form the backbone of this via a major rebuild of their tech stack. Utilising Kafka and Kafka Streams to build a resilient, scalable … Strong communication and stakeholder management skills are a must. A desire to constantly learn, an inquisitive nature and an active member of the wider Java community Bonus Points For: Experience with Kafka and/or a streams-based platform (Samza, Storm) Experience of BDD (behaviour driven development). Experience ...

software engineersDesigning, developing and testing bespoke software solutionsProviding technical direction and communicating clearly with clientsProducing solution architectures and technical designsBuilding full-stack applications using Java, JavaScript, React and TypeScriptDesigning and deploying cloud-based solutions, primarily using AWSCreating continuous integration pipelines using tools such as GitLabWorking across the full software … software quality, security and engineering practiceWhat we're looking forYou will be a hands-on Senior Engineer or Technical Lead with: Strong commercial Java development experienceGood experience designing and building solutions in AWSFull-stack development experience using JavaScript, React and TypeScriptPrevious experience leading engineers or providing technical directionAn understanding ...

LMAX is a high-performance, ultra-low latency exchange written in core Java. Join a team that pushes technology further, especially on greenfield projects, and ships with fast feedback and pair programming. You will work ...

Nomura Holdings, Inc. seeks an Algo Developer for a 6 to 12 month contract in London. The role involves designing and developing algorithmic trading systems and requires expertise in Java and collaboration across teams. The ideal candidate will have a bachelor's or master's degree in computer ...

early 2022. Alten is a global engineering firm with approximately 57,000 employees specializing in engineering and IT services. RequirementsWe are looking for a Java/Python Developer to help manage, build, develop and design the Java Application with good exposure on springboot, microservices and system designing. … introducing tools enabling better business processes required for meeting Firm's regulatory obligationsWhat you'll bring to the role:6+ hands-on experience with Java, Python, Spring, RDBMS.Strong object oriented design and development skills, data-structures and algorithms, and design patterns. Excellent analytical ability. Strong experience with relational databases ...

Methods is seeking a Java/Python Developer to join our UK-based team. You will help manage, build, and design Java applications with Spring Boot, microservices, and system design exposure. The role emphasizes collaboration with stakeholders, delivering market risk applications, and contributing to a robust tech ...

Summary of the work The role is for a senior developer who will work within a scrum team to create a BigData platform and caseworking systems; leading a team of Java developers using primarily REST and SOAP services. BPM (activiti) development -Understanding and development of the Hadoop … Home Office civil servants, other contractors and suppliers. What the specialist will work on The developers will need to be SMEs in the following: Java, REST, SOAP, BPM (Activiti), Hadoop, ActiveMQ, Kafka , Samza, Spring MVC. These skills are required in order to create the bigdata platform ...

financial sector. We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels. About FX Tech Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the largest ...

Overview Our client, a growing Consultancy, is looking for a Java/React Developer to join their London based team. The work undertaken will be for a project in the Banking sector. The role is offered on a hybrid basis and candidates will be expected … days per week. Responsibilities Applicants will be responsible for leading the design, implementation and delivery for engineering efforts spanning 1-2 teams, working in Java and React - With both Front end and back end exposure. Contributing to all parts of the software's development including design, development, documentation ...

leading financial technology environment is looking for a Senior Java Low-Latency Developer to join a 12-month contract in London, working hybrid three days a week. You'll be part of a global engineering function delivering technology where performance, resilience and reliability are critical. The role focuses … closely with Product, Engineering, QA and Production Support teams, helping turn requirements into robust, scalable solutions while driving continuous performance improvement. Key Skills Core Java, JDK 17+ Low-latency/high-throughput trading platforms Multithreading, concurrency and JVM tuning Mechanical sympathy and performance profiling Microservices and distributed systems Event ...

well-established financial markets firm is seeking a Senior Java Trading Systems Developer to support the continued development of its electronic trading technology.This is a hands-on engineering position focused on building and improving systems used to manage orders and trading activity across multiple markets and venues. … work closely with front-office users, quantitative specialists and technology teams to deliver reliable, scalable and high-performance solutions.The role would suit an experienced developer from an electronic trading, capital markets or market-making environment who is interested in joining a growing and technically ambitious business. Responsibilities Design, build ...

Contract: 12 Months Location: Canary Wharf, London – 3 days onsite/2 days WFH We are currently seeking 2 experienced Senior Java Developers to join a major retail banking transformation programme within a leading financial services organisation. You will be working on a large-scale payments and accounts platform … systems within a modern cloud-native environment. Key Responsibilities Design, develop and enhance high-volume transactional banking systems supporting accounts and payments. Build scalable Java-based microservices deployed to cloud infrastructure. Work closely with product owners, architects, and engineering teams to deliver robust banking solutions. Develop event-driven services ...

Citi’s FX Tech team is seeking hands-on developers to build and enhance FX trading systems in a fast-paced, global environment. You will work across FX Trading Technology to implement scalable, low-latency ...

opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential. Responsibilities Ownership and delivery on components (Java/Kotlin) within the Core Prime Brokerage platform. Hands-on Development. Actively contribute to an agile development, applying and improving skills in Continuous Integration … Continuous Deployment (CI/CD) practices. Implement and maintain developer-led automated testing solutions. Participate in the ongoing refinement of SDLC, agile and DevOps processes. Participate in design, planning and estimation discussions within the team. Perform detailed analysis of assigned work, breaking work into individual technical tasks. Collaborate with ...

leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lead innovation within the department. The ideal candidate has experience in Linux ...

perspectives, and we support our leaders to grow, influence, and shape the future of the business. The Role We are looking for an experienced Java Software Engineer to join Fasanara Digital and take significant ownership of systems supporting our 24/7 trading activity. The role will focus … position, collateral, and other operational data. Design reference data frameworks and accounting pipelines supporting both traditional financial instruments and digital assets. Develop primarily in Java and Kotlin, contributing to architecture and technical design while remaining highly hands-on. Maintain, refactor, and improve existing production code alongside developing new functionality. ...