TechChain AI was born from a simple yet powerful vision: to bridge the gap between artificial intelligence and blockchain technology, creating solutions that could revolutionize how businesses operate in the digital age. Founded in 2008 by a team of MIT and Stanford graduates with backgrounds in computer science, cryptography, and machine learning, we started as a small research lab focused on exploring the potential of combining AI algorithms with blockchain infrastructure. Our breakthrough came in 2012 when we developed the first commercially viable AI-powered smart contract system, enabling automated decision-making on the blockchain. This innovation caught the attention of major financial institutions and technology companies, leading to our first enterprise partnerships. Over the years, we've grown from a 5-person startup to a global company with over 200 employees across four continents. Our solutions have been adopted by Fortune 500 companies, government agencies, and innovative startups alike. Today, we continue to push the boundaries of what's possible, working on next-generation AI models, quantum-resistant blockchain protocols, and decentralized autonomous systems that will shape the future of technology.
Blockchain Engineer
Location
United States + 17 moreAll locations: United States, Norway, Spain, Italy, France, Japan, Sweden, Denmark, Austria, Finland, Brazil, Mexico, Portugal, Singapore, Switzerland, Argentina, Australia, United Kingdom
Posted
11 days ago
Salary
Not specified
Job Description
About the Role
We are looking for a skilled and innovative Blockchain Engineer to join our team and help build the core on-chain infrastructure for our Web3 gaming ecosystem. You will design smart contracts, enable multi-chain interoperability, build staking systems, and integrate wallets and NFTs across multiple EVM and non-EVM chains.
This is a key position for driving the blockchain foundation of our platform.
Responsibilities
- Design, develop, and deploy smart contracts (Solidity, Rust) supporting staking, NFTs, and in-game assets.
- Implement multi-chain integrations across EVM-compatible networks and Solana.
- Develop secure and gas-optimized staking, bridging, and token mechanisms.
- Integrate wallet functionality (MetaMask, Phantom, WalletConnect) into Web and Mobile apps.
- Build backend services that interact with blockchain nodes and smart contracts.
- Perform smart contract audits, threat modeling, and vulnerability assessments.
- Research and implement new Layer 2, rollups, and multi-chain scalability solutions.
- Collaborate with Full Stack, DevOps, and Product teams on architecture and deployment.
- Support NFT minting pipelines, metadata storage, royalties, and marketplace logic.
- Maintain blockchain documentation, SDKs, and technical specifications.
Preferred Qualifications
- 3+ years experience with Solidity, Rust, Smart Contracts.
- Strong experience with Web3.js / ethers.js, Hardhat, Truffle, Anchor, or Foundry.
- Deep understanding of EVM, Solana, NFTs, ERC-20, ERC-721, ERC-1155 standards.
- Experience with staking, liquidity pools, DeFi mechanics, and yield logic.
- Familiarity with Layer 2 technologies (zkSync, Arbitrum, Optimism, Polygon).
- Experience integrating blockchain systems with Node.js, TypeScript, or Python.
- Security-focused mindset with experience mitigating common smart contract vulnerabilities.
Benefits
- Adoption Assistance, Childcare benefits, Dedicated diversity and inclusion staff, Disability insurance, Flexible work schedule, Free daily meals, Highly diverse management team, Open door policy, Mean gender pay gap below 10%, Onsite gym, Paid holidays, Pair programming, Paid sick days, Performance bonus, Promote from within, Remote work program, Return-to-work program post parental leave, Free snacks and drinks, Team based strategic planning, Team workouts, Tuition reimbursement, Diversity employee resource groups, Hiring practices that promote diversity, Fertility benefits, Employee-led culture committees, Employee awards, Diversity recruitment program, Pay transparency, Wellness days, Abortion travel benefits, Personal development training, Apprenticeship programs, Flexible time off
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