{"schemaVersion":"jobsearcher.job.v1","id":"6088b43cb868ff0ccc1ab638","url":"https://jobsearcher.com/jobs/6088b43cb868ff0ccc1ab638","canonicalUrl":"https://jobsearcher.com/jobs/6088b43cb868ff0ccc1ab638","title":"Senior Fullstack Engineer","description":"A fast-growing marketplace platform is building the financial engine behind its double-sided marketplace and they are hiring a Senior Fullstack Engineer (70% backend) to help own it.You'll be working on real-time payments infrastructure moving large ACH transactions across a platform that grew 500+% last year, backed by leading industry investors.What you'll be doing:🔹 Processing thousands of large-value transactions ($100K+) via Stripe and banking partner integrations🔹 Building and maintaining a custom double-entry ledger system🔹 Developing new ledgers for upcoming lending and financial products🔹 Working ~70% backend (Python) with React/React Native on the frontend🔹 Collaborating in a tight-knit payments pod (3 engineers total)What we're looking for:✅ 4+ years fullstack experience with large financial transactions (ACH, real-time payments)✅ AI-natice, especially with Claude✅ Strong Python backend skills; comfortable across React/React Native✅ Experience with Stripe, Postgres, AWSDetails:💰 c.$180K base + competitive equity + pension +health🌎 100% remote, must be US-based✈️ Open to visa transfers (OPT, H1B)🏢 ~50 employees | Well-funded, backed by top-tier investorsThere's lot's more to discover!📩 Interested or know someone who'd be a great fit? Apply here or reach out to me directly — john@treqs.ie","company":"Treqs","rawCompany":"treqs","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-23T08:15:50.898Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"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":"522320","title":"Financial Transactions Processing, Reserve, and Clearinghouse Activities","slug":"financial-transactions-processing-reserve-and-clearinghouse-activities"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Fullstack Engineer","description":"A fast-growing marketplace platform is building the financial engine behind its double-sided marketplace and they are hiring a Senior Fullstack Engineer (70% backend) to help own it.You'll be working on real-time payments infrastructure moving large ACH transactions across a platform that grew 500+% last year, backed by leading industry investors.What you'll be doing:🔹 Processing thousands of large-value transactions ($100K+) via Stripe and banking partner integrations🔹 Building and maintaining a custom double-entry ledger system🔹 Developing new ledgers for upcoming lending and financial products🔹 Working ~70% backend (Python) with React/React Native on the frontend🔹 Collaborating in a tight-knit payments pod (3 engineers total)What we're looking for:✅ 4+ years fullstack experience with large financial transactions (ACH, real-time payments)✅ AI-natice, especially with Claude✅ Strong Python backend skills; comfortable across React/React Native✅ Experience with Stripe, Postgres, AWSDetails:💰 c.$180K base + competitive equity + pension +health🌎 100% remote, must be US-based✈️ Open to visa transfers (OPT, H1B)🏢 ~50 employees | Well-funded, backed by top-tier investorsThere's lot's more to discover!📩 Interested or know someone who'd be a great fit? Apply here or reach out to me directly — john@treqs.ie","datePosted":"2026-08-23T08:15:50.898Z","dateModified":"2026-08-23T08:15:50.898Z","hiringOrganization":{"@type":"Organization","name":"Treqs","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6088b43cb868ff0ccc1ab638"},"url":"https://jobsearcher.com/jobs/6088b43cb868ff0ccc1ab638"}}