Backend Engineer (Golang)

Location: Remote, ideally Paris-based; available in Paris, Amsterdam, Barcelona, Berlin, Krakow, Lisboa, Milan, or Warsaw.

Company

hirify.global is a consumer tech company founded in Paris that develops games and apps for hundreds of millions of monthly active users.

What you will do

• Build server-side validation for Castle Busters' metagame, including currency, card upgrades, chest openings, progression, economy, and reward logic.
• Move competitive game features toward server authority so game state is centralized and trusted.
• Design APIs and player-state management for integration with the Unity client.
• Help define the division of responsibilities between client and server while collaborating with client engineers and game designers.
• Contribute to hirify.global's shared gaming backend platform and collaborate with the wider backend team.
• Work across infrastructure, API design, coding, and client-side integration using Golang.

Requirements

• 7+ years of backend development experience.
• Strong knowledge of computer science fundamentals.
• Extreme fluency in Golang, including at least 1 year of professional experience.
• Mastery of SQL and NoSQL.
• Background in high-scale systems and understanding of Unix-like environments.
• Comfort using AI daily and building custom agents or reusable automations.
• Experience working in cross-functional agile teams.
• Strong analytical, problem-solving, interpersonal, communication, self-sufficiency, and autonomous-working skills.

Nice to have

• Deep interest in game development.

Culture & Benefits

• Remote work options across the listed European locations.
• Best-in-class compensation.
• Additional benefits according to the country of residence.
• Work within a newly established internal studio and a small backend ownership group.