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39 senior game developer jobs found

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senior game developer
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Contract Spy
Apr 13, 2026
Duration not stated
Senior Game Developer at Voodoo, Remote, £Contract Rate
Contract Spy Remote (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. Voodoo is creating a talented team with a big mission: find the next best way to entertain the world by...
Contract Spy
Apr 02, 2026
Duration not stated
Senior Game Developer at Voodoo, Remote, £Contract Rate
Contract Spy Remote
  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. Voodoo is creating a talented team with a big mission: find the next best way to entertain the world by...
Contract Spy
Mar 26, 2026
6 Months or more
Senior Game Developer - Hole.io at Voodoo, London, 8 Months, £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. Voodoo is creating a talented team with a big mission: find the next best way to entertain the world by...
Contract Spy
Mar 26, 2026
Duration not stated
Senior Game Developer - Paper.io2 at Voodoo, Remote, £Contract Rate
Contract Spy Remote (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 can be Paris-based, Barcelona-based, Amsterdam-based, or fully remote within CET +/-2h.   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...
Contract Spy
Apr 17, 2026
Duration not stated
Senior Game Developer - Mission Designer at Electric Square, England, £Freelance Rate
Contract Spy England, UK
At Electric Square, with our diverse portfolio, which includes acclaimed titles like Lords of The Fallen 2, Diablo 4, Mafia: Old Country, and several other exciting AAA PC & console games currently in progress (and even more surprises on the horizon!), we strive to deliver unforgettable gaming experiences. Our team of 200+ talented individuals, accompanied by our beloved studio dogs, is dedicated to creating world-class projects. We foster a unique studio culture that empowers and inspires our teams, ensuring that everyone feels motivated to bring their best ideas to life. We can offer you an award-winning working environment. At Electric Square, we don 't just accept difference - we celebrate it, we support it, and we thrive on it for the benefit of our employees, our products, and our community. Electric Square is proud to be an equal opportunity workplace. The Role: Electric Square is looking for an accomplished, enthusiastic, and self-motivated Senior Mission...
Contract Spy
Apr 14, 2026
Duration not stated
Senior Backend Developer at Well Played Games, Leamington Spa, £Contractor Option
Contract Spy Royal Leamington Spa, UK
  Well Played Games is a small studio based in Leamington Spa, UK with a strong track record of collaborating with world-class IP. Founded in 2017, our aim is to build live free-to-play video games across multiple platforms. We are looking for a Senior Backend Developer to join our team and take ownership of development across our live mobile titles. The Role As part of the project’s code team, you will be responsible for the support of the live game, the design and development of new features. You will take full ownership of the backend of a live product and work closely with the whole team to deliver new, major features safely. You will be responsible for the design and development of services to support new game features. You will also be involved in and manage the rest of the team’s backend work by providing technical oversight, support and code reviews. As a senior developer, you will be encouraged to contribute to the analysis and pragmatic...
Contract Spy
Apr 07, 2026
Duration not stated
Senior Backend Developer at Well Played Games, Leamington Spa, £Contractor Option
Contract Spy Royal Leamington Spa, UK
  Well Played Games is a small studio based in Leamington Spa, UK with a strong track record of collaborating with world-class IP. Founded in 2017, our aim is to build live free-to-play video games across multiple platforms. We are looking for a Senior Backend Developer to join our team and take ownership of development across our live mobile titles. The Role As part of the project’s code team, you will be responsible for the support of the live game, the design and development of new features. You will take full ownership of the backend of a live product and work closely with the whole team to deliver new, major features safely. You will be responsible for the design and development of services to support new game features. You will also be involved in and manage the rest of the team’s backend work by providing technical oversight, support and code reviews. As a senior developer, you will be encouraged to contribute to the analysis and pragmatic...
Contract Spy
Mar 27, 2026
Duration not stated
Senior Backend Developer at Well Played Games, Leamington Spa, £Contractor Option
Contract Spy Royal Leamington Spa, UK
  Well Played Games is a small studio based in Leamington Spa, UK with a strong track record of collaborating with world-class IP. Founded in 2017, our aim is to build live free-to-play video games across multiple platforms. We are looking for a Senior Backend Developer to join our team and take ownership of development across our live mobile titles. The Role As part of the project’s code team, you will be responsible for the support of the live game, the design and development of new features. You will take full ownership of the backend of a live product and work closely with the whole team to deliver new, major features safely. You will be responsible for the design and development of services to support new game features. You will also be involved in and manage the rest of the team’s backend work by providing technical oversight, support and code reviews. As a senior developer, you will be encouraged to contribute to the analysis and pragmatic...
Contract Spy
Apr 17, 2026
Duration not stated
Senior Ruby on Rails Developer at Teach Your Monster, Remote, Part-Time, £Contractor Rate
Contract Spy Remote
Senior Ruby on Rails Developer (Part-Time Contractor) Teach Your Monster Teach Your Monster builds educational games used by millions of children worldwide. Our flagship literacy game Teach Your Monster to Read has reached over 30 million players and is widely used in homes and classrooms. We’re looking for a senior Ruby on Rails developer to help maintain and evolve the platform that powers our games, user accounts and APIs. This is a contractor role (3-4 days per week) with an initial commitment of 6-12 months, working alongside our product, design and game development teams. The Role You’ll work across our Rails platform that supports our games and web services. Typical work includes: Maintaining and improving our Ruby on Rails application Designing and maintaining APIs used by our games Supporting authentication, login and SSO systems Improving test coverage, CI/CD and deployment processes Refactoring legacy...
Contract Spy
Apr 17, 2026
Duration not stated
Software Engineer - Contract at ONMO, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
ABOUT THE COMPANY Onmo believes that everyone has the right to access, understand and manage their money with confidence. Our ambition is to improve lives by providing better clarity, intelligence and technology to empower every individual in making the smartest financial decisions. We may be young but we have an incredible team in place and big ambitions for the years ahead. We design our products to help demystify money matters wherever possible, providing customers with more financial control and flexibility in their lives. This helps them get more from what they have, or with smart decisions, make more of the same. It also means people spend less time with the negative aspects of money and more on the positive - enjoying what the world has to offer. ABOUT THE ROLE Tech Stack Backend : AWS Serverless Service, including Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Kinesis, Node.js, YAML Frontend : React / Next.js, React Native Programming...
Contract Spy
Apr 17, 2026
Duration not stated
Senior KDB+ Developer at Synechron, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
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. Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration with business stakeholders—particularly within Risk functions—to deliver robust, efficient, and maintainable solutions. This role also includes technical responsibilities, mentoring junior developers and promoting best practices across the team. Job Location: London (Hybrid - 3 days in the office) Key Responsibilities Design, develop, and maintain kdb+ tick systems, with a strong understanding of data...
Contract Spy
Apr 16, 2026
Duration not stated
Technical Team Lead, Contract 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
Apr 16, 2026
Hourly/Freelance
Senior Software Engineer – Full-Stack Infra/3D Algorithms at Oqcam, Remote, £Freelance Rate
Contract Spy Remote
Oqcam is redefining how dental laboratories organize and execute their production. Oqcam delivers best-in-class dental lab software to automate and simplify digital production, while giving dental lab leaders peace-of-mind. We build scalable, modern cloud applications used by customers around the world, making optimal use of both AI and logic. We are looking for a Senior Software Engineer – Full-Stack / Infra / 3D Algorithms to join our engineering team. Traditionally, a lot of manpower and time is used to prepare and organize the digital production in a dental lab (3D Printing, CNC milling, …). The preparation work is technical and patient-specific, yet repetitive in nature, and typically performed by dental technicians that are increasingly hard to recruit. With the dental market requesting shorter delivery terms and ever-increasing flexibility, and government regulations increasing at the same time, dental labs are under stress and hindered in their growth....
Contract Spy
Apr 14, 2026
up to 6 Months
AI Engineer - Hole.io at Voodoo, London, 1 Month, £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....
Contract Spy
Apr 13, 2026
Duration not stated
Senior Data Analyst - Reinsurance at Cerebra Consulting Inc, Greater London, 6 Months, £Contract Rate
Contract Spy Greater London, England, United Kingdom
This position is in the UK. Candidates who have relevant experience and are citizens or have a valid visa status (without sponsorship) can apply for this job   Job Title: Senior Data Analyst Type of job: Contract (06 months - Can be Extendable) Location: London, United Kingdom   Job Description: Mandatory Experience in Reinsurance market.   Responsibilities: We are seeking Senior Data Analyst who have worked in London Market with a strong experience in reinsurance Domain, experience with actuarial and finance projects and coming with a strong technical background in Azure services will be very good.   Responsibilities Interpret data, analyze results using statistical techniques, and provide ongoing reports. Develop and implement databases, data collection systems, data analytics, and other strategies that optimize statistical efficiency and quality. Acquire data from primary or secondary data sources and...
Contract Spy
Apr 10, 2026
Duration not stated
Senior Business Analyst at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
Senior Business Analyst with Commerce experience required to join our Delivery team here in the UK, please note we offer Hybrid working. We are VML Enterprise Solutions - a group of talented engineers, tech experts, and creators who combine our passions and contribute to the IT world. You may know us better as Wunderman Thompson Technology in 2024 we changed our name, but at the same time, we remained a great team of people who deliver our best. We design, build, manage and run complex technology platforms and help our clients to benefit from our work and creativity. The opportunity: Senior Business Analyst needed to join our team here at VML Enterprise Solutions. Working under your own initiative with required guidance and support, a Business Analyst with proven experience you will be part of the Business Analysis team and expected to take the initiative in ensuring the business needs of our client are fully documented, understood and met by the proposed solution....
Contract Spy
Apr 09, 2026
Duration not stated
Senior Java Developer (AI-Focused) at Synechron, London, £Contract Rate
Contract Spy London, UK
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) About the role: We are seeking a highly experienced Senior Java Developer with over 10 years of hands-on Java development experience and extensive exposure to AI/ML-driven systems . The ideal candidate will design, build, and scale enterprise-grade applications while integrating modern AI capabilities such as machine learning models, generative AI, and intelligent automation into Back End systems. Key Responsibilities Design, develop, and maintain high-performance, scalable Java applications using modern frameworks. Architect and implement AI-enabled solutions , integrating ML/AI models into Java-based platforms....
Contract Spy
Apr 09, 2026
6 Months or more
Google Workspace Administrator at Cabinet Office, UK Office/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (United Kingdom)
The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   Reporting into the Cloud Operations Manager you will be a subject matter expert in Google Workspace in the Google Administration team that manages the Google Workspace range of applications for the Cabinet Office (CO) totalling 13,000 accounts.   You will act as a primary escalation point for the service desk, as a Google liaison, and help the department to gain maximum benefit from the technology.   As a Google Workspace Administrator your main responsibilities will be to:   Maintain regular contact with users to understand their needs and challenges and...
Contract Spy
Apr 09, 2026
Hourly/Freelance
Senior Software Engineer – Full-Stack Infra/3D Algorithms at Oqcam, Remote, £Freelance Rate
Contract Spy Remote
Oqcam is redefining how dental laboratories organize and execute their production. Oqcam delivers best-in-class dental lab software to automate and simplify digital production, while giving dental lab leaders peace-of-mind. We build scalable, modern cloud applications used by customers around the world, making optimal use of both AI and logic. We are looking for a Senior Software Engineer – Full-Stack / Infra / 3D Algorithms to join our engineering team. Traditionally, a lot of manpower and time is used to prepare and organize the digital production in a dental lab (3D Printing, CNC milling, …). The preparation work is technical and patient-specific, yet repetitive in nature, and typically performed by dental technicians that are increasingly hard to recruit. With the dental market requesting shorter delivery terms and ever-increasing flexibility, and government regulations increasing at the same time, dental labs are under stress and hindered in their growth....
Contract Spy
Apr 09, 2026
Duration not stated
Technical Team Lead, Contract 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...
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