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.

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

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

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

Nice to have:

• RWA tokenization experience
• Fintech or payments background
• ISO audit or compliance documentation experience

We care about your GitHub more than your CV format.

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