PAs a strongBlockchain Engineer (Smart Contracts) /strong at Openfort, you’ll take large areas of ownership across our onchain product surface: smart contracts, wallet/vault architecture, and the developer experience around them. Because we build developer tooling, engineering and product are tightly connected. We value simple primitives, intuitive APIs, and rapid iteration. This isn’t just about shipping contracts — it’s about turning complex wallet infrastructure into something developers love. /ppWhat you’ll do /polli strongDesign, build, and ship Solidity smart contracts /strong that power wallets, vaults, and account systems (upgradeability, access control, permissions, sessions, spend limits, etc.). /lili strongOwn end-to-end product features /strong from spec → contract architecture → implementation → testing → deployment → monitoring, driven by real user needs. /lili strongBuild wallet/vault primitives /strong with a strong security mindset: key management patterns, recovery flows, signing/authorization, modular permissions, and safe upgrade paths. /lili strongCollaborate closely with product and platform teams /strong to shape clean developer-facing interfaces (SDK/API integration points, contract ABIs, standards alignment). /lili strongEnforce smart contract best practices /strong: code quality, audits readiness, property-based testing, threat modeling, and gas/performance tradeoffs. /lili strongIterate quickly /strong: prototype, validate with users, and refine designs without over-engineering. /li /olpYour profile /polli strong4+ years of engineering experience /strong, with strongstrong Solidity smart contract development /strong experience in production. /lili strongProduct-oriented /strong: you care about UX/DX, tradeoffs, and shipping improvements that users actually feel. /lili Proven track record building strongsecure onchain systems /strong (wallets, vaults, DeFi primitives, auth/permissioning, or similar). /lili Comfortable with modern smart contract workflows: Foundry/Hardhat, unit + invariant tests, CI, deployments, monitoring. /lili Strong understanding of strongEthereum /strong architecture, EVM behavior, common attack vectors, and audit-style thinking. /lili You’re an engineer, not a manager. /li /olpNice to haves /polli Experience with strongwallet or vault design /strong (account abstraction patterns, session keys, recovery, spend policies, multisigs, permissions frameworks). /lili Familiarity with strongRust /strong (optional) and/or strongSolana /strong programs (optional). /lili Contributions to strongopen-source developer tooling /strong (contracts, SDKs, libraries, standards). /lili Recognition in competitive realms (CTFs, hackathons, coding contests). /li /ol