151 to 175 of 221 Java Jobs in London

Join a leading banking firm as a Java Developer - eTrading Solutions Job Overview: Do you have a proven track record of building high-performance solutions? Are you confident at iteratively refining user requirements and removing any ambiguity? Do you want to design and build best-in-class, enterprise scale applications … using the latest technologies? We're looking for a java developer to: Develop scalable Java applications for complex business challenges Optimise and refactor existing services to improve performance and maintainability Translating business requirements into technical specifications Perform code reviews and share results with colleagues Lead UAT and demonstration sessions with ...

Engineer (Java JVM) London/WFH to £110k Are you a Site Reliability Engineer with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global CFD trading company that has been consistently voted … advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such ...

Minimum of 15 years of broad IT experience with 10-12+ years proven Java development Experience of a broad range of development languages and technologies ;Java 8, 17, Spring, SpringBoot, Hibernate, JEE, Swing, MVC, Angular & AngularJS, JQuery, AJAX, JSON, HTML, CSS, XSLT, Webservice, JAXB, JSP, Tomcat, Apache, JBoss Enterprise ...

Senior Full Stack Developer - Active SC, Java, React Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Full Stack Developer with Active SC, to join a business-critical programme. Key Requirements: Proven experience working … Full Stack Developer within the public sector Active Security Clearance (SC) Strong proficiency in Java and Spring Boot for Backend development Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Experience implementing CI/CD pipelines and familiarity with Docker/Kubernetes ...

Permanent Location: London/Home (Hybrid) Salary: £70,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are looking to recruit an Automation Tester, with trading platform experience, for a leading software company that delivers advanced solutions for trading … bring Essential skills include strong experience in test automation with an ETRM platform with as many of the following as possible: Programming & Scripting: Python, Java, JavaScript, C++, Scriban Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js Databases: SQL Server, MySQL, PostgreSQL, MongoDB Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile ...

adoption throughout HL Digital. Contributing to technical decisions and shaping how we build our services. About You Experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An understanding of observability, using tools like Prometheus and Grafana … engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/ ...

Java Developer/Software Engineer (Java Spring Boot) London/WFH to £65k Are you a Java Developer looking for an opportunity where you can make an impact? You could be progressing your career at a growing US based tech company that provide a platform for gaming and gambling businesses ...

Software Engineer in Test (Java backend & APIs) ??| Fintech Trading ?? ?? £70,000 - £90,000 + Bonus + Benefits ?? Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean, quality Java … based automation code to contribute to an internal Java-based test automation framework, catching issues before they hit production and helping deliver flawless, high-performance user experiences. What You'll Do Build and maintain robust Java test automation Work on an internal Java-based test automation framework used across ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development ...

work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. Java Full Stack Engineer - Consultant/Senior Consultant Salary: £45,000-£70,748 Base locations: London, Manchester or Glasgow (Hybrid working) Organisation : Global … Consultancy Are you a passionate Java Full Sta click apply for full job details ...

also acceptable for this position. You will have demonstrated the following competencies to the proficiency level appropriate to the seniority of the role; JAVA programming experience as the core language, including Spring Boot. Fluent in writing JAVA coding. Experience with Kafka or a similar platform. Experience with Scala and Spark. ...

content stays relevant in a rapidly evolving landscape. To join our Agile, multi-disciplinary engineering team, the ideal candidate will have strong skills in Java, AWS (Lambda, Step Functions, S3, SQS/SNS, EventBridge), CI/CD pipelines, TDD/BDD, and enjoy pair programming. Experience with scripting languages like … expertise includes RESTful APIs, microservices, messaging and event streaming systems, and scalable architecture design. Essential Key Skills and Responsibilities You will: have expertise in Java and AWS be a high level confident communicator with a Growth Mindset have an understanding of CI/CD be competent coding using Test Driven ...

Graduate Quant Software Engineer (C++/Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges from … Design, build, and optimise backend components of real-time trading and risk systems Develop clean, efficient, high-performance code in C++ and Java Work closely with traders, quants, and senior engineers to deliver new features Solve complex problems around performance, reliability, and scale Contribute to architecture discussions and see ideas ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack … Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack … Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office ...

Lead Software Engineer/Developer (Java Low Latency) London/WFH to £190k+ Do you have expertise with low latency Java programming combined with technical/team leadership skills? You could be progressing your career in a senior, hands-on leadership role at the Investment Management arm of a global … bank. As a Lead Software Engineer you will head up a small, globally distributed team responsible for writing production quality Java code used for pricing and hedging FX instruments and overseeing the algorithms' performance intraday. You'll remain hands-on with architecture, design and coding within a modern microservices environment ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should ...

Currently hiring a Senior Java Engineer to join a fixed income trading team - a high-performing group responsible for building and maintaining global trading systems used daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps and exotic portfolios … with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior developers and promote technical excellence within the team Analyse and resolve performance, scalability, and concurrency ...

Staff Engineer/Backend Developer (Java AWS PostgreSQL) London/WFH to £120k Are you a backend focussed technologist with leadership skills? You could be progressing your career, in a senior, hands-on role at a technology driven market research company that is scaling rapidly, having raised Series B funding … Staff Engineer you will take a lead role in architecting, developing and scaling the core platform with a focus on backend engineering with Java (there are also some services in Python and Golang) and rearchitecting the PostgreSQL database. As the most senior engineer you'll take project ownership, providing hands ...

cutting edge AI and automation technology to help our clients transform and disrupt. Responsibilities: Design, develop, test, and deploy robust and scalable applications using Java and related programming languages. Integrate applications with AWS services, particularly AWS Simple Queue Service (SQS) and Lambdas for messaging and event-driven architectures. Implement … adherence to best practices. Contribute to the improvement of our development processes and tooling. Stay up-to-date with the latest advancements in Java technologies. Document technical designs, implementations, and troubleshooting steps. Desirable skills: Experience with scripting languages (e.g., JavaScript, Groovy). Experience with agile development methodologies. Knowledge of Java ...

candidate will bring proven expertise in AWS services, particularly with AWS CDK, alongside strong experience in DevOps and CI/CD pipelines. Proficiency in Java microservices development and test driven development (TDD) is essential, as is hands on experience in component migrations. A proactive and detail-oriented approach will … will have: Good working experience with continuous integration and continuous delivery (CI/CD) AWS CodePipeline expertise CDK Experience DevOps & CI/CD (pipelines) Java microservice experience Test Driven Development Component migrations techniques Go programming language Desirable Skills/Knowledge/Experience Strong problem solving skills Go programming experience Agile ...

themes, portlets). Build responsive, user-friendly front-end interfaces using React , Next.js , and modern JavaScript frameworks. Develop and integrate back-end services using Java (Spring Boot) and PHP . Collaborate with cross-functional teams to translate requirements into technical solutions. Ensure application performance, security, and maintainability. Support release cycles … years’ experience as a Full-Stack Developer (or similar role). Proven, hands-on Liferay DXP development experience Strong back-end development skills with Java and Spring Boot . Front-end experience with React , Next.js , and JavaScript/TypeScript. Experience with PHP and/or React Native is beneficial. Proficiency ...

Senior Software Engineer/Developer (Java Spring Boot) London/WFH to £85k Are you a Software Engineer looking for an opportunity where you can make an impact? You could be progressing your career in a senior, hands-on role at a growing US based tech company that provide ...

A leading AWS Premier Consulting Partner is seeking a Lead Full Stack Engineer to join its growing technical team. As a key member of this cloud-native consultancy, you'll work on innovative digital solutions ...

hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40s latency pipelines … shaping architecture decisions and solving complex technical challenges that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts ...