Principal Server Engineer
A Principal Server Engineer will own backend systems for live games supporting over 1M DAU. You will design, build, and maintain high-traffic Go/Python services and manage infrastructure scalability.
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Fully remote
Per the ad.
Have the right to work in Spain
UserWise Services doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Have 6+ years of experience
Senior-level role.
We're looking for a senior game designer with strong product management understanding to help us identify, build, validate, and scale new game products.
This is a product builder role. You'll work closely with our Chief AI Officer, combining strong game design, product thinking, data, and AI-assisted workflows to turn opportunities into playable products quickly.
You'll own the what and why behind the product, while staying close enough to the work to turn ideas into prototypes, tests, and production-ready games.
UserWise Services is a technology services company specializing in mobile gaming, offering expertise in game development, product management, and data analytics. The company operates globally, with a focus on supporting game studios in optimizing their live operations and player experiences. Their team works across engineering, product, and data disciplines to deliver high-impact solutions for the gaming industry.
Based in Barcelona, Spain, UserWise Services has established a presence in one of Europe's key tech and gaming hubs. The company's work culture emphasizes collaboration and innovation, making it an attractive option for international professionals looking to contribute to the mobile gaming sector. With roles spanning product management, engineering, and data analysis, UserWise offers opportunities for skilled individuals to work on live game evolution and player-centric projects in a dynamic, multicultural environment.
We're building a high-speed, AI-assisted game production team focused on developing and scaling mobile games globally.
This is not a traditional game team. We operate with ownership, clarity, and execution speed, leveraging AI-driven workflows to move faster than most studios.
We work across a global team, building production-ready games and scaling them through LiveOps. Our focus is simple: increase the number of high-quality bets and turn them into scalable products.
Our team has already worked across established franchises such as Fruit Ninja and Wordscapes, contributing to both development and growth initiatives.