Team Lead

• Lead a team of up to 8 backend engineers developing Web3 products
• Architect Web3 backend systems using ZK Stack infrastructure and ERC-4337 Account Abstraction primitives
• Define technical strategy for UserOperation lifecycle, bundler/paymaster integration, and gas sponsorship
• Lead ZK Stack / ZKsync Era integration, L1↔L2 bridging architecture, and system contract interactions
• Design session-key and permission primitives for gameplay transactions
• Own signing and confirmation flows using EIP-712, ERC-1271, WebAuthn/passkey, and wallet-facing standards
• Oversee smart contract interaction layers, code generation, factory dependencies, upgrades, and migrations
• Review complex code for blockchain-specific edge cases including reorgs, transaction finality, and L2 gas estimation
• Identify systemic risks and lead initiatives addressing key management, signature phishing, and bundler/RPC dependencies
• Improve blockchain observability through transaction tracking, event monitoring, and on-chain analytics
• Maintain hands-on contribution to critical multi-chain features
• Conduct 1:1s, performance reviews, and career development conversations
• Hire and onboard team members
• Manage workload and sustainable delivery pace
• Own delivery predictability and sprint commitments
• Collaborate with Product on requirements and estimates
• Report progress, risks, and blockers to stakeholders
• Continuously improve development processes and team efficiency

• 5+ years of commercial experience with Go, or 7+ years with other backend languages with Go proficiency
• Strong expertise in distributed systems and microservices architecture
• Deep knowledge of MongoDB, PostgreSQL, and Redis
• Experience with message queues (NATS, RabbitMQ, Kafka)
• Solid understanding of API design (REST, WebSocket, gRPC)
• Experience with Docker, Kubernetes, and CI/CD pipelines
• Ethereum/EVM smart contract interaction, including go-ethereum and abigen
• Understanding of transaction lifecycle, gas models, and nonce management
• Experience with token standards (ERC-20, ERC-721, ERC-1155)
• Working knowledge of ERC-4337 Account Abstraction, including EntryPoint, UserOperation lifecycle, bundler/paymaster roles, and gas estimation failure modes
• 2+ years of experience leading engineering teams
• Track record of mentoring and developing engineers
• Experience with agile methodologies and sprint planning
• Strong communication skills for technical and non-technical stakeholders
• Ability to balance hands-on coding with management responsibilities
• Preferred: experience with ZK Stack / ZKsync Era, deeper Account Abstraction and smart wallet exposure, key management, smart contract development, blockchain event processing, gaming or fintech high-load systems, and remote team management

• Unlimited Flexible Time Off for work-life balance
• Private health insurance with dental coverage for you and your family
• Personalized career roadmap with clear growth paths
• Professional development through training, conferences, and educational opportunities
• Annual corporate events and team gatherings
• Remote-first culture with flexible working hours (10:00–19:00)
• Leadership development programs and coaching
• Competitive compensation reflecting leadership responsibilities