Tact Jobs

Senior Blockchain Engineer

Hybrid in NYC - 2 days WFH

Are you a blockchain engineer who cares about clean energy? Join a team building in the tech-for-good space, where your work directly contributes to real-world, positive impact.

Key Requirements:

• Strong production experience writing Solidity smart contracts (3+ years)
• 5+ years building backend systems and APIs
• Deep understanding of EVM architecture and blockchain infrastructure
• Strong Python experience (Django), plus PostgreSQL and Redis
• Experience designing and scaling REST + GraphQL APIs
• Solid grasp of backend performance optimisation and testing practices
• Experience working with AWS and Kubernetes
• Familiarity with DeFi primitives (stablecoins, lending, staking, yield systems)
• Strong engineering fundamentals: clean code, Git workflows, problem-solving mindset

Why Join?

• You'll shape architecture and product execution. This is your opportunity to shape a category-defining product
• Work at the intersection of blockchain and real-world infrastructure
• High ownership from day one
• Backed by top-tier investors

Apply now to arrange a call asap 🙌