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yegetaneh firew

full-stack software engineer | web3 & blockchain developer | ai systems builder

professional summary

full-stack software engineer and product builder from ethiopia with hands-on experience across web3 infrastructure, evm smart contracts, ai agent systems, and modern web applications. skilled at turning complex technical concepts into fast, resilient, and accessible products, from decentralized finance protocols to ai-powered automation tools. community leader and educator with a track record of building developer talent through structured technical training.

technical skills

languages:

typescript, javascript, python, solidity, rust, sql, html5, css3

web3 & blockchain:

hardhat, foundry, ethers.js, web3.js, wagmi, viem, base chain, erc-20, erc-721, erc-3643, smart contract auditing

frontend & ui:

react, next.js (app router), tailwind css, redux, framer motion

backend & ai:

node.js, postgresql, mongodb, prisma, vector embeddings, ai sdks, telegram bot api, docker, vercel, git

professional experience

co-founder & software engineer, nestanet labs2025 – present
ethiopia / remote
  • co-founded a technology venture building transparent digital infrastructure for ethiopia and africa, defining product direction, brand identity, and technical architecture.
  • designed and built a room-booking marketplace concept ("alen") for the ethiopian market, including a supply-side landing page and a full next.js engineering specification.
  • established the venture's technical and brand foundations to support future product launches across fintech and consumer marketplaces.
team lead, csec astu blockchain community2025 – present
adama science and technology university, ethiopia
  • elected head of the blockchain team; lead a university-wide community focused on web3 education and developer onboarding.
  • designed and delivered a multi-session solidity bootcamp for new developers, producing structured presentation decks and hands-on smart contract exercises.
  • built csecpoap.sol, a soulbound erc-721 proof-of-attendance (poap) contract used to verify and reward bootcamp participation.
  • authored a smart contract audit standard operating procedure (sop) adopted by the community for reviewing student and community projects.
  • organized community events including a bitcoin pizza day celebration in partnership with pizzadao.
  • authored educational content on ethereum, wallets, smart contracts, and blockchain use cases across africa.
ai evaluation contractor2025 – 2026
  • contracted on large language model (llm) evaluation and assessment projects, testing model outputs for quality, accuracy, and safety.

key projects

nahttyos — personal ai operating system2025 – 2026

built a context-persistent ai personal assistant operating inside telegram, integrating vector similarity search, webhook event handlers, and automated task dispatching. processes 500+ autonomous workflows daily, demonstrating reliability at production scale.

litedex — automated market maker (amm) dex2025

engineered a constant product formula (x*y=k) smart contract suite with liquidity pool provisioning and slippage-protected swap routing.

e-etb — 1:1 ethiopian birr stablecoin2025

developed proof-of-reserve mint/burn smart contracts and multi-sig treasury management for decentralized, on-chain ETB payments and remittances.

ethosbase — reputation credit scoring on base chain2025

created on-chain behavioral credit-scoring oracles and dynamic collateral curves that reward reliable web3 actors with better rates and lower collateral requirements.

peerbirr — peer-to-peer crypto exchange2025

built a p2p crypto exchange platform for ethiopian users, contributing to a portfolio of products that reached 10,000+ users across crypto and accommodation products in ethiopia.

rwa tokenization platform2025

designed a compliant, institution-grade platform for tokenizing real-world assets (real estate, treasury bills) on ethereum, using the erc-3643 permissioned token standard.

languages

english (professional), amharic (native), spanish (conversational)