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16 senior game developer jobs found

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senior game developer Greater London
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Contract Spy
Jun 10, 2026
Duration not stated
Senior Game Developer (UI, Animations & Polish) at Voodoo, London, £Contract Rate
Contract Spy London, UK
About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz.   Team Our Gaming team is made up of hybrid-casual, casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while embracing exciting new entrepreneurial ventures. With over seven billion downloads worldwide and a portfolio of...
Contract Spy
Jun 08, 2026
Duration not stated
Senior Game Developer (UI, Animations & Polish) at Voodoo, London, £Contract Rate
Contract Spy London, England, United Kingdom
About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. Team Our Gaming team is made up of hybrid-casual, casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while embracing exciting new entrepreneurial ventures. With over seven billion downloads worldwide and a portfolio of more than 10 resilient...
Contract Spy
Jun 03, 2026
Duration not stated
Senior Game Developer (UI, Animations & Polish) at Voodoo, London, £Contract Rate
Contract Spy London, UK
About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz.   Team Our Gaming team is made up of hybrid-casual, casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while embracing exciting new entrepreneurial ventures. With over seven billion downloads worldwide and a portfolio of...
Contract Spy
Jun 09, 2026
Duration not stated
AI Security Engineer at Orbital, London, £Contract Rate
Contract Spy London, UK
We’re on a mission to make real estate transactions smarter, faster, and friction-free.   Real estate is the world’s largest asset class , yet the legal processes and tools behind it remain slow, manual, and underinvested. Lawyers must review dense documents line by line and piece together information across silos, all while clients demand faster, more transparent due diligence.   That's where we come in. Orbital Copilot is the AI assistant built exclusively for commercial real estate law. Developed with former practicing real estate lawyers, it accelerates complex due diligence by up to 70% while delivering legal-grade precision.   We’ve just raised a $60m Series B to accelerate our UK/US expansion.   We're trusted by leading firms like Goodwin and BCLP to remove the busywork so legal teams can focus on what they do best: applying sharp legal judgment, delivering standout client service, and getting...
Contract Spy
Jun 08, 2026
6 Months or more
Senior Product Manager at Red Badger London/Remote, 6 Months+, £Day Rate (Outside IR35)
Contract Spy Hybrid (London, UK)
Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We’ve been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages. Our 3 founders have considerable tech and consultancy experience and still own the company. We’ve been consistently profitable and have grown responsibly from the beginning. We are embarking on the next phase of growth and...
Contract Spy
Jun 08, 2026
Duration not stated
Technical Team Lead at Xcelirate, London, £Contractor Rate
Contract Spy London, UK
Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...
Contract Spy
Jun 05, 2026
Duration not stated
Senior/Lead Java Developer at Synechron, London, £Contract Rate
Contract Spy London, UK
Senior/Lead Java Developer About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. We are seeking a highly skilled and experienced Senior/Lead Java Developer with 10+ years of hands-on experience in enterprise application development. The ideal candidate must possess strong expertise in core Java fundamentals, concurrency, and distributed systems , along with exposure to AI/ML-driven solutions . This role demands a deep understanding of data structures, system design, performance optimization, and scalable architecture , along with the ability to lead technical initiatives and mentor teams. This role is Inside IR35 contract Job Locatio n: London (Hybrid - 3 days in the offi ce) Key Responsibilities: Design, develop, and...
Contract Spy
Jun 01, 2026
Duration not stated
Technical Team Lead at Xcelirate, London, £Contractor Rate
Contract Spy London, UK
Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...
Contract Spy
May 29, 2026
Duration not stated
Lead DevOps Engineer (AI-Focused) at Synechron, London, £Contract Rate
Contract Spy London, UK
Lead DevOps Engineer (AI- Focused) Mandatory hands-on experience supporting AI/ML or GenAI p latforms About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) Job Summary Are you passionate about making developers' lives easier, faster, and more fulfilling? We're on a mission to supercharge our engineering culture by building a world-class DevOps organization that's the envy of the industry. This is a great opportunity to join a growing company in an innovative and dynamic industry! We are looking for a strong, hands-on Lead DevOps Engineer t o build and maintain a brand-new cloud-based Index platform. You will lead a team of Senior and Junior DevOps Engineers to help us...
Contract Spy
May 26, 2026
Duration not stated
Lead DevOps Engineer (AI- Focused) at Synechron, London, £Contract Rate
Contract Spy London, UK
Lead DevOps Engineer (AI- Focused) Mandatory hands-on experience supporting AI/ML or GenAI p latforms About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) Job Summary Are you passionate about making developers' lives easier, faster, and more fulfilling? We're on a mission to supercharge our engineering culture by building a world-class DevOps organization that's the envy of the industry. This is a great opportunity to join a growing company in an innovative and dynamic industry! We are looking for a strong, hands-on Lead DevOps Engineer t o build and maintain a brand-new cloud-based Index platform. You will lead a team of Senior and Junior DevOps Engineers to help us...
Contract Spy
May 22, 2026
Duration not stated
Technical Team Lead at Xcelirate, London, £Contractor Rate
Contract Spy London, UK
Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...
Contract Spy
May 21, 2026
Duration not stated
Senior User Researcher Contractor at Hitachi Solutions, London, £Contract Rate
Contract Spy London, UK
Company Description Hitachi Solutions Europe is a global Digital, Data and Technology consultancy, Microsoft Inner Circle and Cloud Services partner, specialising in end-to-end transformation. We build services that are user centred and accessible, designed by our brilliant agile teams, capable of harnessing the power of the latest technologies. We are committed to Microsoft technologies, with a mission to revolutionise modern businesses. Job Description We are building a talent pool of experienced user research contractors to support increasing demand across a range of digital transformation initiatives. Contractors in this pool will be engaged on delivery-focused project work across a mix of commercial and UK Government clients, supporting initiatives of varying scale and complexity. Engagements will differ in length and scope depending on project requirements and will be agreed on project-by-project basis. Contract Type: Independent contractor This...
Contract Spy
May 19, 2026
up to 6 Months
Senior Delivery Lead at Red Badger, London Canary Wharf, 4-6 Months initial, £Day Rate (Outside IR35)
Contract Spy Canary Wharf, London, UK
Senior Delivery Lead - Freelance Start date Monday 1st June Immediate Interviews 4-6 months initial contract duration (likely to extend) £day rate OUTSIDE IR35 2 days / week in office working (Client office - Canary Wharf) / 3 days per week remote working.  Joining a cross functional team to deliver a merchant activation product. A key part of this banks payment platform, this part of the product is where companies using the payment platform can see a record and analysis of their transactions and associated costs.    We bring together the best in strategic services, user experience and technical delivery using Lean and Agile processes.   Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process...
Contract Spy
May 15, 2026
Duration not stated
Technical Team Lead at Xcelirate, London, £Contractor Rate
Contract Spy London, UK
Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...
Contract Spy
May 14, 2026
Duration not stated
Senior User Researcher Contractor at Hitachi Solutions, London, £Contract Rate
Contract Spy London, UK
Company Description Hitachi Solutions Europe is a global Digital, Data and Technology consultancy, Microsoft Inner Circle and Cloud Services partner, specialising in end-to-end transformation. We build services that are user centred and accessible, designed by our brilliant agile teams, capable of harnessing the power of the latest technologies. We are committed to Microsoft technologies, with a mission to revolutionise modern businesses. Job Description We are building a talent pool of experienced user research contractors to support increasing demand across a range of digital transformation initiatives. Contractors in this pool will be engaged on delivery-focused project work across a mix of commercial and UK Government clients, supporting initiatives of varying scale and complexity. Engagements will differ in length and scope depending on project requirements and will be agreed on project-by-project basis. Contract Type: Independent contractor This...
Contract Spy
May 13, 2026
Duration not stated
AI Game Production Strategist at Voodoo, London, £Contract Rate
Contract Spy London, UK
About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote within CET ±3h.   Team Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while embracing exciting new entrepreneurial ventures. With over seven billion downloads worldwide and a portfolio of more than 10 resilient hybrid games generating more than $20m per year, we are the world's largest and most successful hybrid publisher. You will be joining one of our Live Studios, working on Hole.io , one of Voodoo's top games. Voodoo is always...
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