1,359 java developer java developer opportunities in London updated today
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Sanderson Government & DefenceA leading government and defense contractor based in Greater London is seeking a candidate with 2-5 years of development experience, particularly in J2EE applications. Familiarity with technologies such as Java, Spring Framework, and systems administration is essential. The company promotes a divers
RE PartnersWho We Are Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a prefer
Citigroup Inc.Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global mark
Citigroup Inc.Lead Java Developer - FX Options Realtime RiskEngineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From depl
CitiEngineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global mark
PowerToFlyA leading global financial services firm seeks a Lead Java Developer to manage a team working on FX real-time risk systems. This role involves direct communication with trading desks, driving deliverables, and hands-on development with modern technologies. The ideal candidate will have extensive exp
Global RelayA leading technology company in the UK seeks an experienced Java Developer to join their Unified Communications product line. This role involves designing and implementing backend services and migrating existing services to microservices within an Agile environment. Candidates must have a minimum of
A technology company in the United Kingdom seeks an enthusiastic Java Developer Intern to join its development team. This role provides a unique opportunity to gain hands-on experience in software development, working on real-world projects while enhancing your Java programming skills in a professio
gravity9gravity9 is seeking a Technical Lead / Solution Architect to lead the design and build of a secure metadata catalogue platform for a UK public sector client. The platform will serve as a centralised index for discovering, governing, and controlling access to data distributed across multiple independ
Technical Lead / Solution Architectgravity9 is seeking a Technical Lead / Solution Architect to lead the design and build of a secure metadata catalogue platform for a UK public sector client. The platform will serve as a centralised index for discovering, governing, and controlling access to data d
Oliver BernardContract: 12 MonthsLocation: Canary Wharf, London (3 days onsite per week)Overview We are seeking an experienced Senior Java Developer to join a high-performing technology team within a leading financial services environment. This is a long-term contract opportunity working on critical, large-scale
Whitehall ResourcesJava Developer – SC Cleared Whitehall Resources are looking for a Java Developer – SC Cleared. This role will be remote based working with occasional visits onsite to South London, for an initial 6-month contract. ***Due to the nature of the client, this role requires active SC Clearance*** ***Insid
Whitehall ResourcesJava Developer – SC Cleared Whitehall Resources are looking for a Java Developer – SC Cleared. This role will be remote based working with occasional visits onsite to South London, for an initial 6-month contract. ***Due to the nature of the client, this role requires active SC Clearance*** ***Insid
HCLTechHCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing indus
HCLTechHCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing indus
HCLTechHCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing indus
developTech Lead (Java & React) – Media Industry £750 - £850/day Outside IR35 London (Hybrid) We're looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership of a team, tur
developTech Lead (Java & React) – Media Industry £750 - £850/day Outside IR35 London (Hybrid) We’re looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership of a team, turn around delivery
HCLTechHCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing indus
DeloitteBasic information Location London Business Line Technology & Transformation Job Type Contract Date published 02-Apr-2026 Req # 22950 Job description Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11
£43,000 – £69,000/year
Estimation confidence: High
Estimate based on market data for London. Actual salaries may vary depending on experience, company, and area.
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