Blockchain Developer — Smart Energy Pay (SEP) | Berlin (Hybrid / Remote)

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Smart Energy Pay (SEP) is a pioneering venture that integrates innovative technologies with blockchain to transform the renewable energy sector. SEP is a FINTRAC-registered fintech building Smart Energy Chain (SEC) — an EVM-compatible Layer 1 blockchain. By leveraging the financial potential of blockchain, SEP aims to drive a cleaner, more sustainable future. Join us in shaping the future of renewable energy and making a difference.

🔧 What you'll work on:

→ Write, audit, and deploy Solidity contracts — tokens, staking, payment flows 

→ Build APIs and SDK integrations for third-party developers building on SEC 

→ Maintain and improve EVM node infrastructure and RPC performance 

→ Develop cross-chain bridge components and oracle integrations 

→ Build internal tooling for debugging, simulation, and on-chain analytics

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✅ What we're looking for:

→ 3+ years in production blockchain development (smart contracts, protocol, or app layer) 

→ Solidity you'd stake real funds on — not just hackathon code 

→ Hands-on with Hardhat or Foundry, ethers.js or Web3.js 

→ Solid EVM internals — gas mechanics, storage layout, ABI encoding 

→ Experience in at least one of: Go, Rust, TypeScript 

→ Familiarity with bridges, oracles, or cross-chain protocols 

→ Experience working within ISO-certified environments (ISO 27001 / ISO 20022 a plus) 

→ Linux, Git, Docker, CI/CD — standard stuff

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⭐ Nice to have:

→ RWA tokenization experience 

→ Fintech or payments background 

→ ISO audit or compliance documentation experience

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We care about your GitHub more than your CV format.

• 📩 Send your resume, GitHub, and salary expectations to [email protected]