Senior Blockchain Engineer (Web3 Gaming Infrastructure) full time

Company: One More Game

Location: Remote

Employment Type: Full-time / Long-term Contract

Compensation: $80–$130/hour (depending on experience) + performance incentives

One More Game is building the next generation of blockchain-powered gaming experiences. We are looking for a Senior Blockchain Engineer to design and build the infrastructure connecting our games, smart contracts, wallets, and backend systems.

You will play a key role in creating reliable Web3 systems that enable digital ownership, blockchain transactions, and seamless player experiences.

• Design and develop blockchain infrastructure for gaming and token-based products.
• Build integrations between smart contracts, backend services, wallets, and game systems.
• Develop secure on-chain/off-chain data flows and transaction systems.
• Work on blockchain data indexing, monitoring, and event-driven pipelines.
• Improve scalability, reliability, and security of Web3 infrastructure.
• Collaborate with engineering, product, and game teams to deliver blockchain features.

• 3+ years of software engineering experience with blockchain development experience.
• Strong knowledge of blockchain architecture, transactions, wallets, and Web3 concepts.
• Experience with JavaScript/TypeScript, Node.js, or backend development frameworks.
• Experience integrating smart contracts with applications and backend services.
• Understanding of APIs, databases, distributed systems, and event-driven architectures.
• Strong problem-solving skills and ability to work independently in a remote environment.

• Experience building blockchain gaming infrastructure or GameFi applications.
• Experience with blockchain indexing tools and data platforms.
• Familiarity with Layer 2 networks, bridges, or cross-chain technologies.
• Experience with Web3 SDKs, wallet providers, and blockchain monitoring systems.
• Knowledge of Solidity or smart contract development.

• Build core blockchain infrastructure powering next-generation games.
• Work on challenging Web3 architecture problems.
• Own features from design through production deployment.
• Collaborate with a remote-first engineering team.
• Competitive compensation with growth opportunities.