{"schemaVersion":"jobsearcher.job.v1","id":"a67ae8d1813e32e10ea9ef22","url":"https://jobsearcher.com/jobs/a67ae8d1813e32e10ea9ef22","canonicalUrl":"https://jobsearcher.com/jobs/a67ae8d1813e32e10ea9ef22","title":"Full Stack Engineer (FinTech)","description":"Index Industries is a venture-backed startup, with a mission to build the financial infrastructure for a new era of real estate investing, one that opens the largest asset classes to investors across the globe. The company is currently in stealth and launching its first technology in 2026.\nAbout the Role You'll be one of the early engineering hires, writing code that goes directly into production and shapes the architecture of a platform handling real financial flows. We value craft, speed, and clean abstractions — not committee-driven engineering.\nResponsibilities\nBuild and maintain full-stack features across our web app and API layer\nDesign and implement backend services in TypeScript/Node.js with PostgreSQL\nDevelop React/Next.js frontends that are fast, accessible, and production-grade\nIntegrate with blockchain data sources, smart contracts, and wallet infrastructure\nWork closely with the PM and design on implementation feasibility and tradeoff decisions\nWrite tests, participate in code reviews, and own your features end-to-end\nRequirements\nBlockchain / DeFi depth (primary):\nAdvanced smart contract experience in the DeFi space.\nHands-on with leading protocols and infrastructure: ideally Centrifuge, Fireblocks, oracles, and a range of DeFi protocols.\nAble to design, integrate, and optimize protocol interactions that meet the standards of both institutional and retail users.\nWeb2 / infrastructure breadth (essential):\nComfortable deploying and operating infrastructure on AWS.\nA strong senior-level backend software engineer.\nFluent working across the Web2 financial technology ecosystem.\nOperates autonomously with very little oversight.\nTakes ownership end to end and moves quickly with minimal direction.\nOperates with sense of urgency 4+ years of full-stack engineering experience\nStrong in TypeScript, Node.js (NextJS or Express), and React/Next.js\nSolid understanding of relational databases (PostgreSQL) and REST/GraphQL API design\nFamiliarity with blockchain tooling: ethers.js or viem, wallet connections, on-chain reads\nExperience with event-driven architecture (Kafka, Pub/Sub, or similar)\nBonus: prior fintech experience (payment rails, ledger systems, compliance infrastructure)\nBonus: Solidity or Rust (even hobby-level) is a real differentiator\nCompensation: $140K–$200K base + equity","company":"Index Industries","rawCompany":"index industries","city":"Chicago","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-08-03T18:57:41.841Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.07","title":"Blockchain Engineers","slug":"blockchain-engineers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full Stack Engineer (FinTech)","description":"Index Industries is a venture-backed startup, with a mission to build the financial infrastructure for a new era of real estate investing, one that opens the largest asset classes to investors across the globe. The company is currently in stealth and launching its first technology in 2026.\nAbout the Role You'll be one of the early engineering hires, writing code that goes directly into production and shapes the architecture of a platform handling real financial flows. We value craft, speed, and clean abstractions — not committee-driven engineering.\nResponsibilities\nBuild and maintain full-stack features across our web app and API layer\nDesign and implement backend services in TypeScript/Node.js with PostgreSQL\nDevelop React/Next.js frontends that are fast, accessible, and production-grade\nIntegrate with blockchain data sources, smart contracts, and wallet infrastructure\nWork closely with the PM and design on implementation feasibility and tradeoff decisions\nWrite tests, participate in code reviews, and own your features end-to-end\nRequirements\nBlockchain / DeFi depth (primary):\nAdvanced smart contract experience in the DeFi space.\nHands-on with leading protocols and infrastructure: ideally Centrifuge, Fireblocks, oracles, and a range of DeFi protocols.\nAble to design, integrate, and optimize protocol interactions that meet the standards of both institutional and retail users.\nWeb2 / infrastructure breadth (essential):\nComfortable deploying and operating infrastructure on AWS.\nA strong senior-level backend software engineer.\nFluent working across the Web2 financial technology ecosystem.\nOperates autonomously with very little oversight.\nTakes ownership end to end and moves quickly with minimal direction.\nOperates with sense of urgency 4+ years of full-stack engineering experience\nStrong in TypeScript, Node.js (NextJS or Express), and React/Next.js\nSolid understanding of relational databases (PostgreSQL) and REST/GraphQL API design\nFamiliarity with blockchain tooling: ethers.js or viem, wallet connections, on-chain reads\nExperience with event-driven architecture (Kafka, Pub/Sub, or similar)\nBonus: prior fintech experience (payment rails, ledger systems, compliance infrastructure)\nBonus: Solidity or Rust (even hobby-level) is a real differentiator\nCompensation: $140K–$200K base + equity","datePosted":"2026-08-03T18:57:41.841Z","dateModified":"2026-08-03T18:57:41.841Z","hiringOrganization":{"@type":"Organization","name":"Index Industries","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a67ae8d1813e32e10ea9ef22"},"url":"https://jobsearcher.com/jobs/a67ae8d1813e32e10ea9ef22"}}