101 to 125 of 134 Senior Java Developer Jobs in London

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem … to plan new features. Research and suggest new mobile products, applications and protocol. Qualifications/Experience: Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development. 5 to 7 years of extensive native mobile app (iOS & Android) and web app More ❯

us as we set new standards in trust, innovation, and the future of iGaming. SUMMARY OF THE POSITION KTO is actively seeking an experienced Senior Java Backend Developer to join our dynamic team. We're in need of a self-driven individual with a proven track record … backend platform solutions. Write maintainable and scalable code following best practices. Stay up-to-date with the latest techniques, frameworks, and libraries relevant to Java backend development. Translate business requirements into technical solutions, estimate time and costs, and determine requirements and specifications. Develop, test, and deploy backend solutions to … GoLive deadlines or other critical project phases. Utilize knowledge in iGaming to enhance our solutions and meet industry standards. EXPERIENCE & QUALIFICATIONS REQUIRED Proficiency in Java Spring Boot for backend development. Experience with Git Flow for version control. Familiarity with JPA (Java Persistence API) and Hibernate for database interaction. More ❯

Job Description Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer - who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing … software with Java and C# .net framework coupled with SQL Server. Responsibilities: Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni technical design, structure and future-fit. Project lead on any future re-platforming for FM.com. Be the technology lead managing the 'day to … focus. Provide governance for troubleshooting complex system issues as necessary. Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: 5+ More ❯

hospitality, education, facilities and property management, manufacturing, and both local and central government. Role Summary Our client is seeking a hands-on and experienced Senior Developer with approximately 7 years of commercial experience to help build a new product from the ground up. While a full-stack background … databases. Exposure to free-text data matching and complex data parsing. Familiarity with microservices architecture and serverless environments (e.g., Kubernetes). Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries IT Services and IT Consulting #J-18808-Ljbffr More ❯

Social network you want to login/join with: This is a brand new Java Developer position with a big name in the Insurance space who are looking for someone to join and spearhead a new 5 year project with the business. They are looking for someone who More ❯

Social network you want to login/join with: Sr. Mulesoft Developer (JAVA) to design the architecture for a Mulesoft integration project within the aviation industry, London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: ca06f130fdc4 … Job Views: 3 Posted: 05.05.2025 Expiry Date: 19.06.2025 Job Description: Sr. Mulesoft Developer (JAVA) to design the architecture for a Mulesoft integration project within the aviation industry. Duration: 12 months. % Remote work possible. Responsibilities: Design architecture for MuleSoft Integration platforms Conduct detailed requirements analysis Perform software testing, design More ❯

Job Title: Full Stack Senior Developer - SC Clearance, Java, AWS, Docker, London Client: Hays Location: London, United Kingdom Job Category: Other EU Work Permit Required: Yes Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description: Overview: We are recruiting for a leading consultancy seeking an SC … Cleared Full Stack Developer for a critical project. This is a 12-month contract based in London with hybrid working arrangements. Must-have skills: Java/Spring Microservices Jenkins/Git Front-End Technologies: Docker React/TypeScript Node.js Nice to have: SC Clearance Application Process: If you More ❯

Social network you want to login/join with: Senior Quant Developer/Researcher - Java, london col-narrow-left Client: Selby Jennings Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide … Job Description: Role Overview A large crypto market making business is seeking a highly skilled Senior Quant Developer to join their OTC trading team. In this role, you will collaborate with traders and technologists to develop and refine algorithms for both spot and derivative products. You'll be … years of experience in FX or crypto trading, with direct exposure to client pricing and flow analysis. At least 5 years of advanced Java development experience, including: Strong understanding of object-oriented programming and design patterns. Proficiency in Python (NumPy, SciPy, Pandas) for data analysis and prototyping. Experience with More ❯

creates new opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job Description We are seeking an experienced Senior Full Stack Java Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an … DRY principles. Hands-on developing/coding role using the following technologies: Frontend (JavaScript/TypeScript or Angular or React or Node). Backend (Java, SpringBoot, Hibernate, Kotlin). Experience in estimation and sizing. Integration experience. API Design experience. Cloud experience. Appetite to work with emerging AI technologies. SC … of fostering our diversity, inclusion and belonging schemes. And many more exciting benefits... drop us a note to find out more. Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries IT Services and IT Consulting #J-18808-Ljbffr More ❯

during business hours and participation in out-of-hours support rotations. Support and develop in-house credit risk reporting and rating systems built on Java and Spring. Develop and maintain Java-based applications. Assist in migrating feeds and transfer configurations, and enhance existing deployments. Identify and communicate issues … migrations, schedule meetings with stakeholders, and estimate timelines. Coordinate and execute user acceptance testing. Preferred Qualifications and Experience Mandatory Experience with J2EE required. Strong Java development skills, Java 8+. Experience with IntelliJ/Eclipse IDE, runtime debugging. Experience with version control systems (e.g., Subversion, GIT) and build tools More ❯

Senior Software Engineer - Identity and Access Management As a seasoned Software Engineer, you'll play a key role on a team of innovators and technologists shaping the future of identity and access management (IAM). Your deep technical expertise and passion for design, analytics, development, coding, and testing will … standards and solutions such as OAuth2, OpenID Connect, SAML, Google Sign-In, or Facebook Login Proficiency in general-purpose programming languages; strong preference for Java Experience working in cloud-native environments (AWS, Azure, or GCP) Flexibility to work across multiple technology stacks and application domains Why Join: You'll … development. With access to global resources and top-tier engineering talent, you'll be empowered to solve challenging problems and make a meaningful impact. Senior Software Engineer - Identity and Access Management As a seasoned Software Engineer, you'll play a key role on a team of innovators and technologists More ❯

agile development team Migrate existing services to microservices to reduce complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers to develop functional test cases Develop deployment systems for Java-based applications Collaborate with product owners on user story … production systems Participate in knowledge sharing activities with colleagues Engage in pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

We Do/The Team We are a global team responsible for a markets-wide strategic risk management platform. We're looking for skilled Java Developers to enhance our platform and integrate it with trading systems across markets. Role Overview/What You'll Do Collaborate with management to … integrate functions and identify system enhancements. Solve critical issues by evaluating complex business and system processes. Apply your Java expertise and ensure architectural alignment. Develop coding standards for testing, debugging, and implementation. Understand the integration of business areas, architecture, and infrastructure. Analyse problems and create innovative solutions. Mentor junior … developers and analysts. Key Skills and Experience Required Extensive Core Java experience with strong knowledge of data structures, design patterns, and SOLID principles. Experience with messaging systems like Kafka and Solace. Proficiency in Spring framework and cloud technologies (Docker/Kubernetes/OpenShift). Familiarity with Jira, Bitbucket, and More ❯

advisor or coach to mid-level developers and analysts, allocating work as necessary Qualifications: Extensive experience of server-side development and strong knowledge of Java, Pub/Sub middleware, and databases Experience with Core Java, Multi-threading, Collections frameworks - Garbage collections in Low latency systems Solid understanding of More ❯

brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description Role We are seeking a developer to work within the EMEA equities front office technology group based in London to support and develop our 2 primary platforms; GETS (trade processing … and implementation of hedging strategies for the CRB desk. Person Specification The following skills and experience are required for this role: Solid experience in Java and a willingness to learn C++. Experience of building multi-threaded, low latency Java applications. Experience with multicast and distributed applications is an More ❯

Python, including multi-threading and performance tuning. Knowledge/Experience of implementing software using the FIX protocol. Knowledge/Experience of implementing software using Java (Spring framework). Knowledge of the cash equities trading area, including European market structure. Knowledge/Experience of BDD techniques, experience with Cucumber, JIRA More ❯

business, working with quants within SM&D to build automated quoting models for European repo markets. Â Required Skills: Extensive commercial experience of developing Java in a shared codebase Prior experience with algorithms or e-Trading business logic Experience within Repo/Rates Bachelor'??s Degree in a quantitative More ❯

with the client's team, make business trips. At the same time, you can easily change projects, try new things, and get diverse experiences. Senior Full Stack (Java + Angular) Developer Digis seeks a proficient Java + Angular Developer with a business mind to join … QA, all from Poland. Project advantages: A small, very skilled, and highly passionate team of extraordinary co-workers. The client needs not just a developer but a proactive specialist who will think about their product and offer solutions based on the problems their customers face. Your opinion will be … of transparency, trust, and freedom. Among their clients are already very famous fashion brands. Requirements: 5+ years of software development experience. 3+ years of Java experience. 1+ years of Angular and SQL experience. B2+ level of English. If you’re interested in this opportunity, please let me know and More ❯

The role: Senior Android Engineer – Android/Kotlin/React (Virtual Reality) The Offer: Salary: £90k to £109k (DOE) basic + benefits (PAYE, paid weekly, within IR35) Hybrid working – 3 days onsite at the offices in Central London This is a 6-month contract to start ASAP (max … user interfaces using the latest Android programming techniques Develop innovative solutions in Virtual Reality About you: At least 8 years plus in a relevant, senior role working with object-oriented software development Experience building Android applications in Kotlin (strong Java considered also) using Android SDK Experience with React More ❯

an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Asset and Wealth Management Technology team, you are an essential member of an agile team dedicated … diversity, equity, inclusion, and respect. Required qualifications, capabilities, and skills Formal training or certification in software engineering concepts with advanced practical experience. Proficiency in Java Spring/Spring Boot. Experience developing RESTful APIs and microservices with frameworks like Spring Boot. Hands-on experience designing, developing, testing, and maintaining distributed More ❯