Offer summary

Qualifications:

6+ years of experience in game backend development with strong proficiency in C++., Deep understanding of game mechanics, including betting structures and tournament logic., Experience with multiplayer poker game logic is a strong plus., Familiarity with service-oriented APIs and modern architectures..

Key responsibilities:

Enhance and maintain core game logic in a large-scale C++ codebase.

Implement new game variants and features in collaboration with game designers.

Modernize legacy systems by designing modular components with clean APIs.

Collaborate cross-functionally to deliver features from concept to deployment.

Job description

🏷️Title: Lead C++ Game Developer

👫Department: Engineering

📍Location: Remote within EU/UK

About Block Labs

Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. Our diverse team drives innovation, using deep industry expertise and an extensive network to empower the next wave of blockchain-driven companies. At Block Labs, we’re passionate about turning bold ideas into breakthrough success.

About The Role

We’re looking for a Lead C++ Game Developer to help evolve our core game platform by implementing new game variants, building innovative features, and modernizing our C++ codebase toward a modular, service-oriented architecture. You’ll work on real-time systems with a strong focus on reliability, performance, and scalability.

This is a hands-on opportunity to shape the future of high-volume game operations in a real-time environment with meaningful impact.

Key Responsibilities

Enhance and maintain core game logic including hand evaluation, betting flows, pot management, and tournament rules in a large-scale C++ codebase.
Implement new game variants and features in collaboration with game designers, ensuring accurate rulesets, fair play, and seamless integration into the platform.
Modernize legacy systems by designing modular, service-oriented components with clean APIs, introducing gRPC-based interfaces where appropriate.
Improve performance and scalability of the game engine and supporting systems, with attention to multi-threaded logic, game state efficiency, and server stability under load.
Write testable, production-grade code and contribute to QA efforts with robust unit, integration, and service-level testing for game-critical logic.
Collaborate cross-functionally with Frontend developers, Product Owners, Platform Engineers, and QA to deliver features from concept to deployment with high reliability and clear documentation.

About You

6+ years of experience in game backend development, with strong proficiency in C++.
Deep understanding of game mechanics, including betting structures, state synchronization, and tournament logic.
Experience with multiplayer poker game logic and tournament structures is a strong plus.
Proven experience working with legacy codebases and incrementally refactoring toward modern architectures.
Comfortable with multi-threaded development, performance tuning, and memory management.
Experience designing or consuming service-oriented APIs (e.g., gRPC, REST).
Familiarity with game server architecture, concurrency models, and networking fundamentals.

Required profile