Senior Backend Engineer, Golang

October 29

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Voodoo

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Gaming • Media • B2C

Voodoo is a global tech company known for entertaining the world through its iconic apps and games. The company creates engaging puzzle and strategy games that are easy to pick up, yet challenging to master. With a focus on fun that meets real stakes, Voodoo turns favorite games into competitions with cash rewards. It boasts over 7 billion downloads and 200 million monthly active users, generating $600 million in revenue as of 2023. Voodoo empowers bold creators to bring their ideas to life, working alongside creative minds, content creators, and technical innovators to shape future hits.

501 - 1000 employees

🎮 Gaming

📱 Media

👥 B2C

📋 Description

• Design and implement a real-time multiplayer backend supporting matchmaking, lobby systems, and synchronized gameplay for Color Clash. • Select, integrate, or build from scratch a suitable multiplayer server framework (Photon Fusion, Nakama, PlayFab Multiplayer, Unity Game Server Hosting / Multiplay, or custom Netcode solution). • Architect secure, scalable cloud infrastructure (AWS / GCP / Azure) to handle high concurrency and dynamic scaling. • Build and maintain core systems for session management, player state replication, and real-time event synchronization. • Develop robust REST and WebSocket APIs for efficient client–server communication. • Optimize for low latency, high throughput, and smooth cross-region performance. • Integrate backend services with Unity-based mobile clients. • Implement persistent player data systems (profiles, progression, match history, leaderboards, rewards). • Develop and fine-tune matchmaking logic (Elo / MMR / skill-based / async fallback). • Set up real-time analytics, telemetry, and backend monitoring pipelines. • Collaborate closely with frontend and gameplay engineers to align network models and data flow. • Implement robust authentication, anti-cheat, and session validation systems. • Enforce backend security best practices (rate limiting, token validation, encryption). • Perform load testing, profiling, and optimization to ensure stability under peak loads. • Partner with game design and production to translate gameplay concepts into backend features. • Mentor and review code from mid/junior backend developers. • Evaluate and recommend technologies that improve performance, scalability, and team productivity.

🎯 Requirements

• 5+ years of professional backend development experience, with at least 2 years in game networking or real-time systems. • Proven experience shipping or maintaining a multiplayer mobile or online game. • Strong proficiency in C#, Go, Node.js, Python, or similar backend languages. • Expertise in real-time communication protocols (WebSockets, UDP, TCP, gRPC). • Experience with databases (PostgreSQL, Redis, MongoDB, etc.) and cloud infrastructure (AWS, GCP, or Azure). • Deep understanding of scalability, latency, concurrency, and state synchronization in real-time environments. • Familiar with Unity game engine networking concepts and mobile client optimization. • Experience with CI/CD pipelines, Docker, and Kubernetes is a plus.

🏖️ Benefits

• Best-in-class compensation • Other benefits according to the country you reside