Senior Backend Engineer (Golang) - Castle Busters
Job description
Backend engineer for a newly established internal studio at Voodoo, building the server-side foundation for Castle Busters, a turn-based multiplayer game moving from client-authoritative to server-validated competitive play. The role involves designing APIs and player-state management in Golang, working with client engineers and game designers.
At a glance
- Work mode
- Remote · Paris, France
What you'll do
- Build server-side validation for the metagame - currency, card upgrades, chest opens, and progression - staged by risk, replicating economy and reward logic on the server
- Move toward server authority for competitive features, where game state lives in one place and can be trusted
- Design APIs and player-state management that the Unity client integrates against, and help shape how client and server split responsibilities
- Work cross-functionally from infrastructure and API design & coding to client-side integration
- Work closely with client developers and game designers from feature design through delivery, validation and iteration
- Contribute to and build on Voodoo's shared gaming backend platform in close collaboration with the wider backend team
What we're looking for
- 7+ years of backend development experience
- Strong knowledge of computer science fundamentals
- Extreme fluency in Golang (at least 1 year in a professional environment)
- Mastery of SQL and NoSQL
- Background in high-scale systems
- Understanding of Unix-like environments
- AI-first mindset: comfortable using AI daily and building custom agents or reusable automations to speed up work
- Experience working in cross-functional agile teams
- Strong analytical skills with a track record of solving complex problems related to scalability, performance, and integration in high-stakes environments
- Excellent interpersonal and communication skills, capable of influencing teams and interfacing effectively with various stakeholders
- Ability to be self sufficient and work autonomously
Nice to have
- A deep interest in game development
Your team
Newly established internal studio (Castle Busters)
A dynamic and focused team dedicated to one of Voodoo's most promising prototypes in scale, chartered to improve this high-potential game up to a successful and market-ready title.
Benefits
- Best-in-class compensation
- Other benefits according to the country you reside
Apply
Direct apply at Voodoo
Opens the job posting at Voodoo
About Voodoo
Voodoo is a consumer tech company founded in Paris in 2013, generating $1b+ in annual revenue, profitably. Its games and apps have passed 7 billion downloads and reach 200 million+ active users every month, making Voodoo the #3 mobile publisher worldwide in downloads, after Google and Meta.
Mission
Entertain the world
Key facts
- 1,000 people
- 2013
- Paris
- Consumer tech / mobile games
- Generating $1b+ in annual revenue, profitably
- Games and apps have passed 7 billion downloads
- Reach 200 million+ active users every month
- #3 mobile publisher worldwide in downloads, after Google and Meta
Partners & customers