I design and ship blockchain backends and smart contract systems that have to hold up in production — not just in a demo. Over 4+ years I have gone from full-stack product work into Ethereum protocol engineering, DeFi-adjacent infrastructure, and competitive smart-contract security.
Right now I am a Blockchain Backend Developer at Smart Energy Pay, building the systems behind a FinTech product that ties payments to real-world value. I am also completing an M.Sc. in Web Engineering at TU Chemnitz in Germany.
Before that I audited live contests on Code4rena, CodeHawks, and Sherlock, and I spent a year as a technical specialist on Patrick Collins’ Chainlink / freeCodeCamp Solidity course — reviewing PRs, unblocking learners, and keeping a huge open-source classroom moving.
- Focus: Solidity, Foundry / Hardhat, Python & Node.js backends, TypeScript, protocol security
- Based in: Chemnitz, Germany
- Previously: ESOLS Technologies (Flutter / Node / PostgreSQL)
- Education: B.E. Software Engineering, Mehran University · M.Sc. Web Engineering, TU Chemnitz
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Smart contracts, token mechanics, Merkle allowlists, social recovery, DAOs, and the tests that prove they behave. |
APIs, indexers, and Node.js services that sit next to the chain — reliable, typed, and boring in the best way. |
Contest hunting, invariant thinking, and writing findings that other engineers can actually fix. |
Languages & contracts
Backend, data & tooling
Interfaces when the product needs one
Public repos from learning and independent builds. Production work at Smart Energy Pay stays private under NDA.
Full public list: linktr.ee/alymurtazamemon
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High / medium / QA / gas reports from Code4rena and CodeHawks contests — a public trail of how I actually hunt bugs.
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Alchemy University final-week project. Recover a wallet through trusted guardians without giving up the keys in the happy path.
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Unlimited off-chain allowlists, on-chain Merkle proofs, Pinata metadata. Live at nft-airdrop-solidity-react.vercel.app.
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Trust-minimized escrow with Solidity and a React UI — funds lock on-chain until both sides settle. Live at decentralized-escrow-solidity-react.vercel.app.
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A tight Etherscan-style explorer on the Alchemy SDK — blocks, txs, and account views without the noise.
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Transparent and UUPS proxy patterns with the OpenZeppelin Upgrades plugin — deploy, upgrade, and keep storage intact.
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2026 — Blockchain Backend Developer · Smart Energy Pay
2025 — 2026 Blockchain Backend · working student · Smart Energy Pay
2024 — 2026 Student Research Assistant · TU Chemnitz
2023 — 2024 Independent security researcher · Code4rena / CodeHawks / Sherlock
2022 — 2023 Blockchain consultant · Chainlink course community
2021 — 2022 Software engineer · Flutter, Node.js, PostgreSQL · ESOLS
2017 — 2021 B.E. Software Engineering · Mehran University
Ali has been incredibly helpful in helping answer questions in the 32-hour Hardhat / Solidity freeCodeCamp course. His empathy towards helping developers was an essential part of making sure the discussions went smoothly.
— Patrick Collins, CEO & Co-Founder, Cyfrin
I still care about that part of the job: making hard systems understandable, and leaving the next engineer with a cleaner path than I had.
Reach me: alimurtaza-memon@outlook.com