Senior Fullstack Engineer

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