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36 java developer jobs found in London

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Contract Spy
Jun 13, 2025
Duration not stated
Java Developer (JavaFX or Swing) at Test Yantra Software Solutions Private Limited, London, £400-£450 per day
£400 - £450 per day
Contract Spy London, UK
Required Core Skills: * Candidate should have experience working in AWT, Swing, JavaFX and UI testing * The person should have worked on desktop, client server, rich client application development * Advanced knowledge of Java and associated ecosystem (Java 17, IntelliJ/Eclipse, Maven, GIT, Jenkins, RESTful Web Services, JavaFX). * Strive for excellence and continuous improvement in software architecture, Agile methods and build systems. * Ability to work closely with the business in the Front Office, draw out their requirements and design and implement suitable solutions. * Strong communication skills with ability to present ideas well graphically as well as verbally. * Work closely with the business to create value for the business through LNG optimisation. Nice to have skills: * Experience working with Spring Boot, JPA, Kerberos, AWS, Ansible, Docker, Openshift, BDD, Cucumber. Areas of responsibility: -Coding and Development -UI testing -Stakeholder management Job...
Contract Spy
Jun 06, 2025
Duration not stated
Java Developer (JavaFX or Swing) at Test Yantra Software Solutions Private Limited, London, £400-£450 per day
£400 - £450 per day
Contract Spy London, UK
Required Core Skills: * Candidate should have experience working in AWT, Swing, JavaFX and UI testing * The person should have worked on desktop, client server, rich client application development * Advanced knowledge of Java and associated ecosystem (Java 17, IntelliJ/Eclipse, Maven, GIT, Jenkins, RESTful Web Services, JavaFX). * Strive for excellence and continuous improvement in software architecture, Agile methods and build systems. * Ability to work closely with the business in the Front Office, draw out their requirements and design and implement suitable solutions. * Strong communication skills with ability to present ideas well graphically as well as verbally. * Work closely with the business to create value for the business through LNG optimisation. Nice to have skills: * Experience working with Spring Boot, JPA, Kerberos, AWS, Ansible, Docker, Openshift, BDD, Cucumber. Areas of responsibility: -Coding and Development -UI testing -Stakeholder management Job...
Contract Spy
Jun 04, 2025
6 Months or more
Senior Java Developer at Department for Work & Pensions, London/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to: Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now...
Contract Spy
Jun 04, 2025
Duration not stated
Java Developer (Production Support) at Test Yantra Software Solutions Private Limited, London, £300-£380 per day
£300 - £380 per day
Contract Spy London, UK
L3 Production Support – Front Office Role (London) (Minimum 3-5 years of work experience in role) We are seeking a dynamic and skilled professional to join L3 Production Support team in London. This role is integral to our front-office operations, requiring a proactive, hands-on individual who can operate in a fast-paced and challenging environment. Key Responsibilities: Provide end-to-end production support for trading systems, applications ensuring seamless front-office operations. Debug and troubleshoot technical reported system/ user issues efficiently, minimizing impact on business operations. Analyze incidents, identify root causes, and implement preventive measures. Engage in frequent problem management, ensuring long-term stability of systems. Communicate effectively with senior stakeholders, including Managing Directors, to provide timely updates and resolutions. Be ready to transform support, drive effort reduction, strategic fixes, build knowledge...
Contract Spy
May 30, 2025
Duration not stated
Java Developer (JavaFX or Swing) at Test Yantra Software Solutions Private Limited, London, £400-£450 per day
£400 - £450 per day
Contract Spy London, UK
Required Core Skills: * Candidate should have experience working in AWT, Swing, JavaFX and UI testing * The person should have worked on desktop, client server, rich client application development * Advanced knowledge of Java and associated ecosystem (Java 17, IntelliJ/Eclipse, Maven, GIT, Jenkins, RESTful Web Services, JavaFX). * Strive for excellence and continuous improvement in software architecture, Agile methods and build systems. * Ability to work closely with the business in the Front Office, draw out their requirements and design and implement suitable solutions. * Strong communication skills with ability to present ideas well graphically as well as verbally. * Work closely with the business to create value for the business through LNG optimisation. Nice to have skills: * Experience working with Spring Boot, JPA, Kerberos, AWS, Ansible, Docker, Openshift, BDD, Cucumber. Areas of responsibility: -Coding and Development -UI testing -Stakeholder management Job...
Contract Spy
May 22, 2025
Duration not stated
Java developer (JavaFX or Swing) at Test Yantra Software Solutions Private Limited, London, £400-£450 per day
£400 - £450 per day
Contract Spy London, UK
Required Core Skills: * Candidate should have experience working in AWT, Swing, JavaFX and UI testing * The person should have worked on desktop, client server, rich client application development * Advanced knowledge of Java and associated ecosystem (Java 17, IntelliJ/Eclipse, Maven, GIT, Jenkins, RESTful Web Services, JavaFX). * Strive for excellence and continuous improvement in software architecture, Agile methods and build systems. * Ability to work closely with the business in the Front Office, draw out their requirements and design and implement suitable solutions. * Strong communication skills with ability to present ideas well graphically as well as verbally. * Work closely with the business to create value for the business through LNG optimisation. Nice to have skills: * Experience working with Spring Boot, JPA, Kerberos, AWS, Ansible, Docker, Openshift, BDD, Cucumber. Areas of responsibility: -Coding and Development -UI testing -Stakeholder management Job Type:...
Contract Spy
May 29, 2025
Duration not stated
Senior eFX Java Developer at Quanteam, London, £Contract Rate
Contract Spy London, UK
Senior EFX Developer CONTEXT The FX electronic trading business is executing a strategic renewal programme that involves gradual and complete overhaul of the core pricing and trading systems. The IT team comprises 80+ people across UK, Spain and Poland, and Latam, supported by BAs, Product Owners and QA, although we are organised into smaller functional squads of around 10 people each. We currently have a tech stack comprising of various vendor products and in-house built Java components. We are actively migrating the vendor products to our own Java based solutions. In addition, we are building ground up, our core pricing, hedging, and booking systems, using a blend of products and custom coding using the latest and best-in-class technologies. We are also redesigning everything from the market connectivity adapters (e.g. Bloomberg, FxAll, 360T), pricing engines, risk engines, hedging circuits, to regulatory reporting modules and data lakes. The ideal candidate will...
Contract Spy
Jun 10, 2025
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London/Remote, £Contractor Rate
Contract Spy Hybrid (London, UK)
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Jun 03, 2025
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London/Remote, £Contractor Rate
Contract Spy Hybrid (London, UK)
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
May 30, 2025
6 Months or more
Java Full Stack Developer at WWT EMEA UK LIMITED, London, to £600 per day
£500 - £600 per day
Contract Spy Hybrid (London, UK)
World Wide Technology (WWT), a global technology integrator and IT solutions provider. World Wide Technology, established in 1990 in St. Louis, Missouri, collaborates with OEMs like Cisco and Dell EMC to offer infrastructure security and custom app development services to Fortune 500 companies in various sectors. With over 10,000 employees globally, we generate $20 billion in annual revenue and operate in regions including the US, UK, Canada, Europe, Costa Rica, APAC, and Middle East. We're proud to be consistently recognized as a top employer by Fortune and Glassdoor for over 13 years. World Wide Technology Holding Co, LLC (WWT) has an opportunity for a Java Full Stack Developer. Below is the JD for the role. Please help me with the information needed to process your application, and I will contact you to discuss the role. This is a contract Role & Inside IR35 Java Full Stack Developer Contract Duration :  6 months Location: United Kingdom...
Contract Spy
May 27, 2025
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London/Remote, £Contractor Rate
Contract Spy Hybrid (London, UK)
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Jun 13, 2025
6 Months or more
Identity Management Consultant at Thebes Group, London, 6 Months, £Contract Rate
Contract Spy London Area, United Kingdom
Role: SailPoint Developer Location: London - Hybrid model is 3 days in the office per week Duration : 6 months   Key Essential Skills Proven experience as a SailPoint Developer with hands-on experience in SailPoint IdentityNow 8.4 or higher. Hands-on experience in SailPoint API integration, including request and response handling. Strong proficiency in JavaScript and Bean Scripting. Solid understanding of SailPoint core concepts such as Identity Governance and Administration (IGA), workflows, provisioning, certification, and role management. Experience in customizing SailPoint using JavaScript, Bean Scripting, and integration with external systems via connectors and APIs. Experience working in financial institutions or highly regulated environments.   Desirable Skills Strong analytical skills for debugging, troubleshooting, and optimizing code. Excellent communication skills to explain technical concepts to...
Contract Spy
Jun 13, 2025
Hourly/Freelance
Android Developer for Digital Asset Marketplace App at Fliprly, London, £Freelance Rate
Contract Spy London, UK
About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps...
Contract Spy
Jun 10, 2025
Duration not stated
Full Stack Developer at CACI Network Services, London, £Contract Rate
Contract Spy London, UK
CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. Project Overview: Our customers are in a transformative journey to modernize their network infrastructure. This project aims to enhance security, scalability, and agility while ensuring compliance with regulatory requirements. The team will play a pivotal role in this initiative, focusing on device onboarding, certification, configuration management, and compliance reporting. We're looking for talented developers to join our team and contribute to the success of driving innovation and excellence in our customers network infrastructure. Essential Technical Skills: Front End: Angular, TypeScript Back End: Java, Python, Spring Boot Database: MongoDB, PL/SQL,NOSQL API Development: RESTful APIs...
Contract Spy
Jun 10, 2025
6 Months or more
SailPoint Developer at Thebes IT Solutions Ltd, London, 6 Months, £Contract Rate
Contract Spy London, UK
Location: London Duration : 6 months Key Essential Skills Proven experience as a SailPoint Developer with hands-on experience in SailPoint IdentityNow, SailPoint IIQ 8.4 or higher. 3-5 years of Solid SailPoint developer experience. Hands-on experience in SailPoint API integration, including request and response handling. Strong proficiency in JavaScript and Bean Scripting. Solid understanding of SailPoint core concepts such as Identity Governance and Administration (IGA), workflows, provisioning, certification, and role management. Experience in customizing SailPoint using JavaScript, Bean Scripting, and integration with external systems via connectors and APIs. Experience working in financial institutions or highly regulated environments. Desirable Skills Strong analytical skills for debugging, troubleshooting, and optimizing code. Excellent communication skills to explain technical concepts to team members and stakeholders with varying levels...
Contract Spy
Jun 06, 2025
Hourly/Freelance
Android Developer for Digital Asset Marketplace App at Fliprly, London, £Freelance Rate
Contract Spy London, UK
About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps...
Contract Spy
Jun 05, 2025
Duration not stated
Senior Software Engineer at Turing, Remote, £Contractor Rate
Contract Spy Remote (London Area, United Kingdom)
About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop; while expanding the dataset coverage to different types of tasks in terms of programming language, difficulty level, and etc.   About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality   Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the...
Contract Spy
Jun 04, 2025
Duration not stated
Full Stack Developer at CACI Network Services, London, £Contract Rate
Contract Spy London, UK
CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. Project Overview: Our customers are in a transformative journey to modernize their network infrastructure. This project aims to enhance security, scalability, and agility while ensuring compliance with regulatory requirements. The team will play a pivotal role in this initiative, focusing on device onboarding, certification, configuration management, and compliance reporting. We're looking for talented developers to join our team and contribute to the success of driving innovation and excellence in our customers network infrastructure. Essential Technical Skills: Front End: Angular, TypeScript Back End: Java, Python, Spring Boot Database: MongoDB, PL/SQL,NOSQL API Development: RESTful APIs...
Contract Spy
Jun 02, 2025
6 Months or more
SailPoint Developer at Thebes IT Solutions Ltd, London, 6 Months, £Contract Rate
Contract Spy London, UK
Location: London Duration : 6 months Key Essential Skills Proven experience as a SailPoint Developer with hands-on experience in SailPoint IdentityNow, SailPoint IIQ 8.4 or higher. 3-5 years of Solid SailPoint developer experience. Hands-on experience in SailPoint API integration, including request and response handling. Strong proficiency in JavaScript and Bean Scripting. Solid understanding of SailPoint core concepts such as Identity Governance and Administration (IGA), workflows, provisioning, certification, and role management. Experience in customizing SailPoint using JavaScript, Bean Scripting, and integration with external systems via connectors and APIs. Experience working in financial institutions or highly regulated environments. Desirable Skills Strong analytical skills for debugging, troubleshooting, and optimizing code. Excellent communication skills to explain technical concepts to team members and stakeholders with varying levels...
Contract Spy
May 30, 2025
Hourly/Freelance
Android Developer for Digital Asset Marketplace App at Fliprly, London, £Freelance Rate
Contract Spy London, UK
About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps...
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