1 to 25 of 31 Permanent Java Developer Jobs in London

Java Developer/Consultant (Java SpringBoot AWS) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. As a Java Developer/Consultant you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with ...

Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office Fixed income Pricing and Risk Permanent role £110-130k Location: London City Liverpool street station, home working hybrid 50/50% Technical stack: Java This is a senior Java developer to run Front office Fixed income Pricing and Risk ...

Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging … best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. ...

Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology … modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology. The Role As a Lead Full Stack Java Developer , you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. ...

Java Developer Key Responsibilities Participate in the growth, industrialization, and DevOps of the Airops Fast Data platform. Develop event-driven data interfaces between Airops products, the data platform, and third-party applications or middleware, within an MS Azure environment. Work within a DevOps team and participate … with Kubernetes and OpenShift for container orchestration and management. Develop and maintain event streaming solutions using Kafka and Azure Event Hub. Ideal Candidate Profile Java Development : Previous experience as a Java developer, with expertise in Java Quarkus or Java Spring Boot (Java version ...

Java Developer Hybrid - 2 Days/Week in London (Victoria) | £50,000-£60,000 + Benefits | Permanent We're seeking a talented Java Developer with strong Spring Framework experience to join a high-performing team delivering large-scale, enterprise-grade applications. Key Focus Areas: Design, develop … maintain Java-based solutions using the Spring Framework Collaborate with cross-functional teams to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or a business-related discipline ...

Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office Fixed income Pricing and Risk Permanent role £110-130k Location: London City Liverpoo click apply for full job details ...

Senior Java Developer/SRE Specialist We are seeking a Senior Java Developer with strong SRE expertise to join a major production management transformation programme within a global investment bank. This role sits at the intersection of software engineering and site reliability, with a focus … modernising how critical banking platforms are designed, built, and operated at scale. We are specifically looking for a hands-on Java expert who combines deep architectural knowledge with SRE principles - someone who can design robust systems while actively contributing to code, automation, and reliability engineering in a highly regulated ...

Senior Java Developer Location: London (Hybrid - 3 days in office) Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This is a hands-on development role … fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in Java , particularly in low latency environments , and a strong understanding of FX trading systems . You'll be expected to contribute to all phases ...

Java Developer (SC Cleared) – Remote - £455 per day - Start ASAP A large managed service provider require a Java Developer with the ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. This role is predominately remote with the flexibility … attend key meetings onsite. Required: Good knowledge and experience using programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful: R, Apache Spark Very Useful: Python, SQL, JSON, LakeFS ...

client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. This role is hybrid with 3 days a week in Central London. The technology team is around 50 people and you will be working in an Agile … team alongside 3 other Software Engineers. Client Details Our client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. This role is hybrid with 3 days a week in Central London. The technology team is around ...

Credit eTrading Developer (Java) Duration : 12 Months (with renewals) Pay Rate : £750 (inside) Location : London - 4 days a week in the office I'm currently supporting a leading financial services consultancy that partners closely with front-office trading teams to deliver high-performance electronic trading solutions. This role … electronic trading Participating in peer code/design reviews Supporting QA teams and resolving production issues with a strong feedback loop Upgrading systems to Java 17, modern frameworks, and the Solace messaging platform Key Responsibilities Develop, optimise, and maintain server-side Java services for low-latency trading Implement ...

Java Backend Developer Location: London Contract: Consultant Work Setup: Onsite (Flexible on certain days) Who We Are We are a consultancy operating within Robert Walters, the world's most trusted talent solutions business. Across the globe, we deliver recruitment, outsourcing, and talent advisory services for businesses … sizes, opening doors for people with diverse skills, ambitions, and backgrounds. The Role We are seeking a Java Backend Developer to join us on a permanent basis via the Robert Walters Consultancy. Your first assignment will be at JP Morgan, in London. What you'll do Design ...

Contract Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high ...

Credit eTrading Developer (Java) Duration : 12 Months (with renewals) Pay Rate : £750 (inside) Location : London - 4 days a week in the office I'm currently supporting a leading financial services consultancy that partners closely with front-office trading teams to deliver high-performance electronic trading solutions click apply ...

Role: Java Developer (Mid-Senior Level) - Up to £120k + Bonus Salary: Up to £120k base salary + Bonus + Package Location: London (Hybrid) This firm is an elite tech driven investment institution that uphold extremely high tech standards. They are made up of some exceptionally talented individuals … limits. They’ll find the best team to suit your skillset/interests but you'll be working with the latest versions of Java, directly with traders and quants to build out high performance pricing and analytics tools from scratch. This role is greenfield and will allow ...

Principal Developer – FX Trading Systems (Java/C++) Location: London or Nottingham (Hybrid) Rate: £490 per day (Outside IR35) Contract: Initial contract until end of year, with strong likelihood of extension as part of a multi-year programme. The Opportunity An established financial services organisation is seeking … experienced Principal Developer to play a key role in the architecture and development of a high-performance FX Matching Venue. This is a senior technical leadership role within a large, multi-year programme focused on building next-generation trading infrastructure. The successful candidate will combine deep Java expertise ...

Role: Java Backend Developer Location: London, UK Duration: Contract Job Description: Essential skills/knowledge/experience: 5–10 years of overall software development experience, with minimum 4+ years of hands on Java development Strong experience with Java 9+ Proven expertise in Spring Framework (Spring Boot ...

Title – Java Engineer - DevOps Location – London, UK Mode of Work – Hybrid (3 Days Onsite Per Week) Type of Hiring – Permanent Client – LTIMindtree Key Technologies: Java Spring Boot, Microservices OpenShift, Apache Kafka latest stable RabbitMQ latest stable (Any/Similar) MongoDB, Oracle Database (Any/Similar) DevOps tools … automation CICD and monitoring Skills Experience: Expert level Java development skills Proven experience building resilient high availability and high-performance applications Deep understanding of microservices architecture and distributed systems Strong expertise in API design and implementation Extensive experience with container orchestration platforms Kubernetes In-depth knowledge of messaging systems ...

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 … customers by delivering inbound 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 ...

intuition with that, and some modern messaging like Aeron or ZeroMQ." 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers … industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring ...

human-centric products within the organisation. Their mission is to transform the working lives of finance and tax professionals. Your new role A Senior Developer is urgently required to join the team, to work as part of the Tax technology team to develop and implement technical solutions that … resilient and scalable. The Senior Developer will work closely with other members of the team (designers, product owners, business analysts and developers) to deliver excellent experiences for their key clients. The Senior Developer will be required to develop ideas to find a pragmatic approach to the rapid delivery ...

looking for a skilled Java Full Stack Developer with expertise in modern web technologies, cloud infrastructure, and emerging Generative AI capabilities. The ideal candidate will be responsible for designing, developing, and deploying scalable applications using Java-based microservices and React-based frontends, while leveraging cloud-native … DevOps practices. Java Full Stack with React and Gen AI, Docker/Kubernetes, Terraform/Cloud Formatoin, MQ/Apache Kafka, Datadog/AppDynamics/Dynatrace. Required Skills Backend: Strong experience in Java , Spring Boot, and Microservices Knowledge of REST APIs, security (JWT, OAuth), and database design Frontend ...

Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. Senior Java Engineer – Market Connectivity You have strong core Java development with market connectivity experience You have strong experience with multi-threading, messaging & ZeroGC techniques … know how to use memory profilers and look at heap dumps You are degree educated, Computer Science preferred or any STEM Minimum Java experience: 10 years Preferred Skills: TransFICC Experience, highly desirable Hot Code path optimization, Off-heap memory management techniques JVM internals, tuning for low-latency Low-latency ...