{"id":3678595,"url":"https://alion.io/job/nodeworthy-senior-fullstack-developer-web3","title":"Senior Fullstack Developer (Web3)","company":{"id":684264,"name":"Nodeworthy","domain":"nodeworthy.co","url":"https://alion.io/company/nodeworthy","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":true,"listed_via":null,"ats_vendor":"Recruitee","truth_index":null},"role":"Web3","role_family":"Web3","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Tel Aviv, Israel"],"countries":["IL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BullMQ","optional":false},{"name":"CI/CD","optional":false},{"name":"Cloudflare","optional":false},{"name":"Figma","optional":false},{"name":"GitHub Actions","optional":false},{"name":"JavaScript","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"Reown","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solana","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-11-03T09:33:24Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T21:51:41Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Senior Full Stack Engineer (Web3)\nLocation: Israel, Tel Aviv (Hybrid)\nEmployment: Full-time\nAbout the company\nWe’re working with an early-stage Web3 company building tools that help users better understand blockchain transactions and interact with digital assets more safely. Its products are used across desktop and mobile, and the engineering team works on challenges involving wallets, dApps and blockchain security.\nThe role\nWe’re looking for a senior full stack engineer with strong JavaScript and TypeScript skills and a frontend focus. You’ll build features end to end, from the user interface and browser experience to the Node.js services behind the product, and take ownership of your work after release.\nWhat you’ll work on\nBuild client-side features using TypeScript and React, including browser-based products.\n\nDevelop wallet and dApp integrations across EVM-compatible chains and Solana.\n\nBuild and maintain Node.js services and APIs.\n\nImprove performance, reliability and code quality across the stack.\n\nContribute to the build, test and release pipeline.\n\nRequirements\nWhat we’re looking for\n5+ years building production software with JavaScript and TypeScript, with a frontend focus.\n\nStrong understanding of JavaScript fundamentals, including the event loop, promises and async behaviour, closures, scope, prototypes, modules and bundling.\n\nGood knowledge of browser behaviour, HTTP and networking.\n\nStrong React skills and an eye for detail. You’ve worked with design systems and Figma, and care about component architecture, accessibility and polished interfaces.\n\nExperience with Node.js services, APIs, databases and queues.\n\nFamiliarity with blockchain transactions, gas, nonces, approvals, permits and signing methods such as personal_sign and EIP-712.\n\nHands-on experience with Web3 tools such as ethers or viem, wagmi, injected providers and WalletConnect.\n\nComfortable with CI/CD and automated testing, using GitHub Actions or similar tools.\n\nA resourceful problem solver who can investigate issues using source code, specifications, debuggers, logs and monitoring.\n\nClear written and spoken English, good communication habits, and the ability to take ownership in a low-process environment.\n\nFamiliarity with current AI tools used in software development.\n\nHelpful experience\nApplication security, smart contract auditing, bug bounties, CTFs or research into phishing and Web3 threats.\n\nBrowser extension development, including Manifest V3, content scripts, service workers and extension messaging.\n\nKnowledge of wallet internals, EIP-1193 providers, and how to inspect transaction or signature requests.\n\nExperience with transaction simulation, RPC nodes, on-chain data or Solana.\n\nExperience building a Web3 product used by real customers, such as a wallet, dApp or developer tool.\n\nExperience with NestJS, PostgreSQL, Redis, BullMQ or Cloudflare Workers.\n\nOpen-source contributions in the JavaScript or Web3 ecosystem, or experience in an early-stage startup.\n\nWhat’s on offer\nCompetitive salary and employment conditions.\n\nOwnership of the features and systems you build.\n\nThe opportunity to work with an experienced engineering team.\n\nA fast-moving environment with a short path from idea to release.\n\nTo apply: Send your CV and, if you can, a brief note about something you’ve built and are proud 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