151 to 175 of 225 Java Jobs in London

candidates with analogous experience in other areas are considered too. Strong technical and programming skills are essential, with proficiency in low latency and resilient Java or C++ required. Proficiency in Python and/or KDB+/q for tick data analytics and real‐time signal computation is highly desirable. Exposure ...

Hands on Java application design, software development and automated testing (Java 11 and higher) Intermediate knowledge of basic infrastructure technologies and components Familiarity with application containers based on spring, Vert.X or equivalent Familiarity with Cloud services including DevOps concepts and CI/CD tools Experience with Event-driven/Micro … with Test driven development and unit testing frameworks Proficient understanding of code versioning tools (Git) and build tools Maven or Gradle Role: Mid-level Java Developer(s) (10 open roles) Minimum experience: 5-years Location: roles London office (Victoria) and Burgess Hill Mandatory days per week in-office: 3 Start ...

within a small, high-performing team Key Requirements Strong experience building large-scale distributed systems within financial services or other regulated environments Expert-level Java engineering experience, ideally within microservices and event-driven architectures Experience with Spring Boot and modern backend engineering practices Exposure to Angular or TypeScript within full ...

Java Software Engineer Join a tier-one global financial institution undergoing a major digital transformation across its capital markets technology estate. You'll play a key role in scaling a mission-critical platform, driving architecture, performance optimisation, automation, and engineering best practice. Strong Java and distributed systems experience required. Exposure ...

/CD and Continuous Deployment pipelines Take operational ownership of services, ensuring reliability and performance in production Essential Skills & Experience Strong experience in Java development, including: Core Java Spring Boot frameworks Proven experience building distributed backend systems Hands-on experience with Kafka (or similar streaming platforms) Experience with Scala ...

Java Quantitative Developer London – Hybrid Java, Low Latency, Algo Trading, Pricing, Hedging, FX/Crypto, DeFi, AWS The company This is an unmissable opportunity for an experienced Java Quantitative Developer to join the crypto trading desk of one of the leading institutional digital asset firms in the market. With … markets. Build pricing logic and hedging frameworks that drive the desk's market making activity. Translate trader and quant ideas into efficient, production-grade Java code. Optimise existing trading systems for speed, reliability and scalability. Integrate new data sources and ensure data integrity for accurate model input. Monitor and troubleshoot ...

Full-Stack Developer (React Native/Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into … deliver secure, high-performance products in a collaborative engineering environment. Required experience: 6+ years of full-stack engineering experience Strong React Native experience Strong Java backend development experience Experience building REST APIs and microservices Strong SQL/NoSQL knowledge (Postgres, MongoDB, Redis) Experience with CI/CD and deployment processes ...

London is seeking a Mulesoft Technical Lead to work on integration technologies including the MuleSoft Anypoint Platform. The ideal candidate should be proficient in Java and familiar with Agile methodologies. This role offers a competitive compensation structure and is contract-based. Experience with cloud technologies and other programming languages such ...

test specialist, you will work alongside our business analysts to understand client requirements and define and execute test scenarios. Essential Skills: Performance Testing Cucumber Java JIRA Confluence Desirable Skills: JMeter AWS Tooling UK Location & Post Code: Project expect resources to be in office a minimum of 3 days a week ...

full SDLC and appreciation of front office architecture and design tradeoffs performance resiliency observability controls Technical fluency to engage engineers effectively eg Java awareness and SQL knowhow to support technical walkthroughs data analysis and troubleshooting Skills Mandatory Skills : BFS - Data Analysis, BFS - Generic Randstad Technologies is acting as an Employment ...

Strong integration and architecture documentation skills Experience in either: Front Office: transport ticketing hardware (Cubic, S&B, INIT preferred) Back Office: payments, transaction processing, Java/.NET/Oracle, acquirer integrations Details Duration: 6 months (likely extension) Location: London (50% onsite, Pier Walk) Interview: 2-stage process (remote + formal ...

title : Java and Fidessa Developer - Equities Trading Location : Bromley - Hybrid working Salary : £85,000 - £100,000 + Benefits + Bonus Start date : ASAP Working hours : 40 hours per week We are working with one of the largest global BFSI organisations, operating at scale across international markets, who are looking … experienced Java and Fidessa Developer to support and enhance their front office trading platforms. In this role, the Java and Fidessa Developer will be working in a fast-paced front office environment, supporting equities trading systems and contributing to the stability and performance of business-critical platforms. The Java ...

roadmap, owns the build and maintenance of products E2E and actively pushes the codebase forward for scale. Our Tech Stack Backend and Infrastructure: Latest Java microservice, Spring Boot with Spring Cloud, DynamoDB, Terraform, Docker, AWS Fargate, Datadog, Opslevel, and TeamCity. Frontend and Mobile: TypeScript, CSS‐in‐JS (Styled Components), React … availability, reliability, and performance issues. Experience mentoring and guiding engineers with a range of experience. Strong expertise in any object‐oriented language, preferably in Java, and a desire to learn more. Perks of the job Flexible working : Spend 3 days a week with your team in our new collaborative London ...

production support across multi country store environments. The role suits a hands on specialist with deep Xstore expertise who can move comfortably between configuration, Java development, integration and live operational supp... CRWG1_UKTJ ...

production support across multi country store environments. The role suits a hands on specialist with deep Xstore expertise who can move comfortably between configuration, Java development, integration xkybehq and live operational supp Please click on the apply button to read the full job description ...

real-time environments. Applicants should hold a Master's degree in Machine Learning or a related field and possess experience with programming languages like Java or C++. The company offers immigration support and a competitive salary package. #J-18808-Ljbffr ...

Execution & Algo Trading Quant team seeks an execution strategist to create and maintain algorithmic trading systems. Candidates should have 10+ years of experience, strong Java or C++ skills, and a deep understanding of market microstructure. The role focuses on algorithm designs, quantitative research, and collaboration with traders and technology teams ...

architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems. Experience programming with at least one modern language such as Java, C++, or C# including object‐oriented design. Master's degree in Machine Learning, Applied Mathematics, Operations Research or a related field, or equivalent work experience. ...

Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London/Hybrid (3 days onsite) 6 months My client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation of technology products. … This role requires deep technical expertise (Java, Javascript, Azure/GCP) and a proven ability to build high-performing engineering functions in fast-paced, complex environments. You will play a key role in a wider transformation programme, introducing modern engineering practices, improving architecture, and delivering scalable, consumer-facing digital products. ...

approaches to build solutions or break down technical problems Leadership experience within the Equity/Structured Derivatives pre-trade space Expert proficiency with the Java programming language. The platform uses a range of technologies including Java, C#/WPF, Python, React, JavaScript and Cassandra on Windows & Linux platforms. Excellent analytical ...

Description Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London/Hybrid (3 days onsite) 6 months My client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation of technology … products. This role requires deep technical expertise (Java, Javascript, Azure/GCP) and a proven ability to build high-performing engineering functions in fast-paced, complex environments. You will play a key role in a wider transformation programme, introducing modern engineering practices, improving architecture, and delivering scalable, consumer-facing digital ...

Active Security Clearance (SC), and with proven team lead experience to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Demonstrable team lead/leadership experience - ability to guide developers, support technical decision making, and ensure delivery standards Active Security … Clearance (SC) Expertise in a range of technologies, including Java 8 and 17+, Spring/Spring Boot, React/HTML AWS Cloud Services experience Working experience with MySQL Nice to have: Technical hands-on experience with Terraform, Kibana, Apache Camel Linux in a containerised environment Immediate availability ...

Active Security Clearance (SC), and with proven team lead experience to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Demonstrable team lead/leadership experience - ability to guide developers, support technical decision making, and ensure delivery standards Active Security … Clearance (SC) Expertise in a range of technologies, including Java 8 and 17+, Spring/Spring Boot, React/HTML AWS Cloud Services experience Working experience with MySQL Nice to have: Technical hands-on experience with Terraform, Kibana, Apache Camel Linux in a containerised environment Immediate availability ...

Skills Experience: Solution Architecture with a clear focus on E-commerce platforms or API/Middleware ecosystems. Technical Stack: Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL - able to read and critique vendor code, not just high-level diagrams. Integration Expert: Deep proficiency in API management patterns, Webhook ...

channels. Integrate quantitative models and new market data feeds into the pricing platform. Produce detailed technical designs aligned to solution architecture. Implement high‐quality Java server‐side components, applying industry‐standard development patterns. Build simulation and back‐testing environments; investigate regression issues where required. Conduct automated unit, integration, and performance … cyber vulnerabilities, contributing to strong risk and control governance. Participate in intraday or overnight support rota when required. Required Technical Skills Strong server‐side Java development experience, including multithreading. Experience building global, distributed systems in a real‐time trading environment (24x5.5). Proven experience developing Rates or FX pricing systems ...