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Senior Backend Engineer (Golang) - Castle Busters

Paris💼 Full-time🗓 2026-06-19 → 2026-09-26

Core

Design and build the server-side foundation for Castle Busters, a turn-based multiplayer game, transitioning it from client-authoritative to server-validated competitive PvP.

Role type

Senior Backend Engineer (Golang)

Builds

Server-side validation for metagame, competitive features, and APIs for Unity client integration

Domain

Mobile gaming, competitive multiplayer, high-scale distributed systems

Deliverable

production ML models | product features

Required skills

Golang, SQL, NoSQL, high-scale system design, API design, Unix-like environments

Preferred skills

Game development background, cross-functional agile experience

Technologies

Golang, Unity, SQL, NoSQL

Responsibilities

Build server-side validation for economy and progression logic; implement server authority for competitive game state; design and maintain APIs for client-server integration

Seniority

Senior, hands-on IC

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