java freelance jobs in London

Full Stack Java EngineerDuration: ASAP - 31st December 2027Workload: Full-time hoursSetup: Freelance (Daily Rate / BV or ZZP)Sponsorship: Not ProvidedLocation: Veldhoven, Netherlands (2 days per week onsite, 3 remote)Our client is seeking an experienced Full Stack Java Engineer to support the development and modernisation of a large-scale application...

Get AI-powered advice on this job and more exclusive features.Associate Director @ Opus Recruitment Solutions | Shaping the Future of Tech firms (JVM - Java, Scala & Kotlin)Head of Software Engineering | £180k – Java, Machine Learning and Data DrivenI am working with an innovative tech firm that is revolutionizing industrial maintenance through...

Discover our galaxy Join the Future of Work! Malt is Europe's leading freelance marketplace, connecting over 1,000,000 talented freelancers with 100,000+ companies. Founded in 2013, we're transforming how work gets done through our tech-powered, human-centered platform. What makes us different: A diverse team of 600 Malters across 6 European countries A...

/ Programming / Account Executive, CommercialProgramming Escrow Protected Complexity: Expert 0% Freelancer FeeAccount Executive, CommercialBudget / Rate $94 (/ hr) Funds locked in Milestone EscrowExpert DeveloperProject Scope & Level Expert Developer Duration: 1-3 MonthsSecurity Guarantee 100% Payout Protection Zero deductions from your bidRequired Skills &...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers based in London to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable microservices...

Our client is a global money transfer technology company. Company DescriptionOur client is a global technology company, building the best way to move and manage the world's money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, our client is...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in London to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers based in London to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

Senior Software Engineer — Agentic Coding (AI Training) About The Role What if your software engineering expertise could define how the next generation of AI writes, debugs, and ships code on its own? We're looking for Senior Software Engineers in London to work at the frontier of agentic AI — building, evaluating, and improving autonomous coding...

Discover our galaxy Join the Future of Work! Malt is Europe's leading freelance marketplace, connecting over 1,000,000 talented freelancers with 100,000+ companies. Founded in 2013, we're transforming how work gets done through our tech-powered, human-centered platform. What makes us different: A diverse team of 600 Malters across 6 European countries A...

/ Programming / Account Executive, CommercialProgramming Escrow Protected Complexity: Expert 0% Freelancer FeeAccount Executive, CommercialBudget / Rate $94 (/ hr) Funds locked in Milestone EscrowExpert DeveloperProject Scope & Level Expert Developer Duration: 1-3 MonthsSecurity Guarantee 100% Payout Protection Zero deductions from your bidRequired Skills &...

**🪐 Discover our galaxy** Join the Future of Work ! Malt is Europe's leading freelance marketplace, connecting over 1,000,000 talented freelancers with 100,000+ companies. Founded in 2013, we're transforming how work gets done through our tech-powered, human-centered platform. What makes us different: - A diverse team of 600 Malters across 6...

Programming Escrow Protected Complexity: Expert 0% Freelancer Fee Budget / Rate $94 (/ hr) Funds locked in Milestone Escrow Expert Developer Project Scope & Level Expert Developer Duration: 1-3 Months Security Guarantee 100% Payout Protection Zero deductions from your bid Required Skills & Stack #Remote Work #API Integration 100% Escrow Milestone...

/ Programming / Account Executive, EMEA (Germany) Programming Escrow Protected Complexity: Expert 0% Freelancer Fee Account Executive, EMEA (Germany) Budget / Rate $84 (/ hr) Funds locked in Milestone Escrow Expert Developer Project Scope & Level Expert Developer Duration: 1-3 Months Security Guarantee 100% Payout Protection Zero deductions from your...

**Join Our Team as Coding Teacher In Stratford!** Are you passionate about inspiring the next generation of tech innovators? We are seeking enthusiastic programming tutors for kids aged 5 to 17. If you're motivated, open to new ideas, and ready to invest your time and energy into nurturing young minds, we want to hear from you! Check our website -...

About The Role What if your years of software engineering experience could directly shape how AI writes code for millions of developers? We're looking for Software Engineers in London to evaluate, rank, and refine AI-generated code — helping the next generation of coding assistants produce solutions that are correct, efficient, idiomatic, and...

What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers based in London to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable microservices...

Full Stack Java EngineerDuration: ASAP - 31st December 2027Workload: Full-time hoursSetup: Freelance (Daily Rate / BV or ZZP)Sponsorship: Not ProvidedLocation: Veldhoven, Netherlands (2 days per week onsite, 3 remote)Our client is seeking an experienced Full Stack Java Engineer to support the development and modernisation of a large-scale application...

Senior Software Engineer — Agentic Coding (AI Training) About The Role What if your software engineering expertise could define how the next generation of AI writes, debugs, and ships code on its own? We're looking for Senior Software Engineers in London to work at the frontier of agentic AI — building, evaluating, and improving autonomous coding systems...