{"schemaVersion":"jobsearcher.job.v1","id":"b1d9bfabc49fbe92088ebd76","url":"https://jobsearcher.com/jobs/b1d9bfabc49fbe92088ebd76","canonicalUrl":"https://jobsearcher.com/jobs/b1d9bfabc49fbe92088ebd76","title":"Lead Backend Engineer","description":"At ITRADE Innovations, we help create jobs and support the future of industries in space, technology, energy, and manufacturing. We do this by creating programs that help develop skills and support sustainable growth. Join us on our mission to Redefine STEM!\nOur client is a well-funded Web3 fintech startup redefining the future of real-time financial infrastructure. Our platform bridges traditional finance and decentralized systems, enabling seamless, secure, and transparent access to blockchain-powered financial services. They're not just building APIs - they're creating the data rails for the decentralized economy, supporting everything from real-time transaction monitoring to decentralized asset management. With deep backing from top VCs and a founding team of fintech and blockchain veterans, we're scaling fast - and we're looking for core engineers to shape what comes next.\n\nWhat You'll Do\nArchitect, develop, and maintain real-time APIs and backend systems powering crypto trading, DeFi analytics, and digital asset tracking.\nBuild scalable microservices with NestJS and gRPC, and design APIs used by developers, trading platforms, and financial institutions.\nManage streaming pipelines with Kafka to process high-throughput event data from blockchains and financial markets.\nImplement WebSocket-based services using Bun to push live updates (price feeds, wallet events, smart contract logs).\nStore and optimize time-series data using QuestDB for hot access and ClickHouse for long-term analytics and compliance reporting.\nSecure and orchestrate APIs through APISIX, with features like rate limiting, authentication, and request transformation.\nContribute to infrastructure scalability, observability, and resilience in a mission-critical, high-uptime environment.\nCollaborate with smart contract developers, frontend engineers, and data scientists to ship features end-to-end.\n\nThe Tech Stack\nYou'll be working with bleeding-edge tools purpose-built for real-time finance:\nNestJS - Modular TypeScript backend framework\ngRPC + Protobuf - Blazing fast internal service communication\nKafka - Event streaming for blockchain and financial data ingestion\nBun - Ultra-fast runtime for high-frequency WebSocket communication\nQuestDB - Low-latency time-series database for recent data\nClickHouse - Scalable analytics database for long-term storage\nAPISIX - Cloud-native API Gateway\n\nWhat We're Looking For\n5+ years in backend engineering, ideally with a focus on financial systems or high-throughput platforms\nStrong proficiency in TypeScript, Node.js, and frameworks like NestJS\nExperience with event-driven architecture and tools like Kafka\nComfort working with gRPC, Protocol Buffers, and microservices\nKnowledge of blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus\nSolid experience with WebSockets and real-time messaging systems\nProven ability to design and optimize time-series data solutions\nFamiliarity with cloud-native infrastructure (Docker, Kubernetes, CI/CD pipelines)\nSecurity-first mindset - especially around financial and cryptographic systems\nSelf-starter attitude, with the ability to thrive in a fast-moving startup environment\n\nWhat They Offer\nTop-of-market salary + possible equity + crypto bonuses\nRemote-first, async-friendly culture with flexible hours\nThe chance to work on the cutting edge of finance and Web3\nA technical leadership role with influence over architecture and roadmap\nCollaborative, transparent team culture with real ownership\n\nJoin the Future of Finance\nIf you're passionate about building real-time, decentralized financial infrastructure with an elite engineering team, we'd love to meet you.","company":"Itrade Stem","rawCompany":"itrade stem","city":"Miami","state":"FL","isRemote":false,"isActive":false,"createdAt":"2026-04-09T15:34:59.204Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.07","title":"Blockchain Engineers","slug":"blockchain-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Backend Engineer","description":"At ITRADE Innovations, we help create jobs and support the future of industries in space, technology, energy, and manufacturing. We do this by creating programs that help develop skills and support sustainable growth. Join us on our mission to Redefine STEM!\nOur client is a well-funded Web3 fintech startup redefining the future of real-time financial infrastructure. Our platform bridges traditional finance and decentralized systems, enabling seamless, secure, and transparent access to blockchain-powered financial services. They're not just building APIs - they're creating the data rails for the decentralized economy, supporting everything from real-time transaction monitoring to decentralized asset management. With deep backing from top VCs and a founding team of fintech and blockchain veterans, we're scaling fast - and we're looking for core engineers to shape what comes next.\n\nWhat You'll Do\nArchitect, develop, and maintain real-time APIs and backend systems powering crypto trading, DeFi analytics, and digital asset tracking.\nBuild scalable microservices with NestJS and gRPC, and design APIs used by developers, trading platforms, and financial institutions.\nManage streaming pipelines with Kafka to process high-throughput event data from blockchains and financial markets.\nImplement WebSocket-based services using Bun to push live updates (price feeds, wallet events, smart contract logs).\nStore and optimize time-series data using QuestDB for hot access and ClickHouse for long-term analytics and compliance reporting.\nSecure and orchestrate APIs through APISIX, with features like rate limiting, authentication, and request transformation.\nContribute to infrastructure scalability, observability, and resilience in a mission-critical, high-uptime environment.\nCollaborate with smart contract developers, frontend engineers, and data scientists to ship features end-to-end.\n\nThe Tech Stack\nYou'll be working with bleeding-edge tools purpose-built for real-time finance:\nNestJS - Modular TypeScript backend framework\ngRPC + Protobuf - Blazing fast internal service communication\nKafka - Event streaming for blockchain and financial data ingestion\nBun - Ultra-fast runtime for high-frequency WebSocket communication\nQuestDB - Low-latency time-series database for recent data\nClickHouse - Scalable analytics database for long-term storage\nAPISIX - Cloud-native API Gateway\n\nWhat We're Looking For\n5+ years in backend engineering, ideally with a focus on financial systems or high-throughput platforms\nStrong proficiency in TypeScript, Node.js, and frameworks like NestJS\nExperience with event-driven architecture and tools like Kafka\nComfort working with gRPC, Protocol Buffers, and microservices\nKnowledge of blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus\nSolid experience with WebSockets and real-time messaging systems\nProven ability to design and optimize time-series data solutions\nFamiliarity with cloud-native infrastructure (Docker, Kubernetes, CI/CD pipelines)\nSecurity-first mindset - especially around financial and cryptographic systems\nSelf-starter attitude, with the ability to thrive in a fast-moving startup environment\n\nWhat They Offer\nTop-of-market salary + possible equity + crypto bonuses\nRemote-first, async-friendly culture with flexible hours\nThe chance to work on the cutting edge of finance and Web3\nA technical leadership role with influence over architecture and roadmap\nCollaborative, transparent team culture with real ownership\n\nJoin the Future of Finance\nIf you're passionate about building real-time, decentralized financial infrastructure with an elite engineering team, we'd love to meet you.","datePosted":"2026-04-09T15:34:59.204Z","dateModified":"2026-04-09T15:34:59.204Z","hiringOrganization":{"@type":"Organization","name":"Itrade Stem","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Miami","addressRegion":"FL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"b1d9bfabc49fbe92088ebd76"},"url":"https://jobsearcher.com/jobs/b1d9bfabc49fbe92088ebd76"}}