dualentry - Senior Bank & Integrations Engineer

• Since starting 18 months ago, we’ve raised $100,000,0000+ from world-class investors such as Lightspeed Venture Partners, Khosla Ventures, Contrary Ventures and Google Ventures, as well as more than 20 angel investors who’ve built, scaled, and exited some of the most impactful companies of the last decade. • We got there by moving incredibly fast and hiring an exceptionally sharp, hard-working and deeply committed team from leading tech and accounting companies - Ramp, Meta, Microsoft, Lyft, PwC, Deloitte, J.P. Morgan, Bloomberg, Sage, Xero and Intuit. And some of us don't have a fancy logo on our resume and are here for a shot to prove ourselves. • We’re a small team, growing fast with huge momentum - join early. • As a Senior Integrations Engineer, you’ll architect features and systems end-to-end at an incredible pace. This is an opportunity to own critical infrastructure at the early stage of a category-defining AI company. Build the first, true AI accounting product with your own hands. • This is an intense, hands-on Engineering role with full ownership. We expect you to push for excellence and raise the bar. • 📍 Location: Remote with overlap to our New York City HQ (EST) • Where you'll create impact • Own end-to-end execution for backend systems and infrastructure • Implement and validate end-to-end payment and data pipelines - from ISO 20022 parsing/validation (PAIN, CAMT) to real-world bank testing (penny tests), reconciliation, and production readiness • Own secure connectivity with banks and partners by provisioning host-to-host connections (SFTP), managing endpoint setup, and handling SSH + PGP key exchange and rotations • Lead integration projects across both banking and enterprise systems, defining scope, designing the integration approach, and driving delivery for domestic + international payment flows • Build and maintain customer-facing integrations between DualEntry and third-party platforms (AP/AR tools, billing, CRM, payroll, data warehouses), ensuring data accuracy, reliability, and clean sync behavior • Debug and resolve connectivity, payment, and statement issues by tracing through logs, monitoring/observability tools, file payloads, and database records • Increase reliability and scale by reducing manual work: automate onboarding and integration playbooks, standardize test frameworks, and build maintainable backend tooling that keeps pipelines stable • Drive measurable outcomes that accelerate DualEntry’s product velocity and stability • What sets you up for success • Hardcore work ethic and high agency • 8+ years building backend systems, ideally in high-growth, high-ownership environments where you ship fast and own outcomes end-to-end • Deep expertise in Python and modern backend frameworks (FastAPI/Flask/Django) • Strong database fundamentals: PostgreSQL, SQL, schema design, migrations, ORMs • Experience building production-grade APIs • Hands-on with cloud infrastructure (AWS preferred) and the full delivery lifecycle: CI/CD, deployments, monitoring and incidents • Experience in payments, fintech, or financial services is strongly preferred • Familiarity with payment rails and flows (SEPA, ACH, Wires, Faster Payments, CHAPS, Bacs) and payment messaging/file formats (PAIN, CAMT) is a plus. • Able to operate in messy, evolving requirements - you design systems that scale while staying pragmatic. • Clear communicator (C1+ English). You can collaborate with banks, customers, and teammates across time zones without things slipping. • Bonus: you’ve built bank integrations using H2H, SFTP or ISO 20022 • How You Operate • Pragmatic: you like to move forward and make decisions based in reality (not theory). We don't debate if Cassandra has the most theoretical scalability -- we use Postgres until it breaks • Hard working: 'You can work long, hard, or smart, but you can't choose two out of three" - Jeff Bezos. We wrote this job post during the weekend • Curious: you love to learn, are highly curious about new frameworks and solutions to engineering problems • Fast-moving: you deploy daily, iterate quickly, and never wait for permission • You’re joining early and will grow with DualEntry • Your feedback shapes the product directly • High-speed culture • High-trust environment with high expectations • Ambitious mission - ERP is one of the largest B2B software markets in the world ($220bn per year), this is a once in a lifetime opportunity to build the next generation ERP in an industry that has not seen new entrants in 30+ years • Equity: $30,000+ USD • Contract type: B2B • Remote-first team - the fastest team you will have ever worked with • Time Off: 27 PTO days (incl. public holidays) • Visa sponsorship option for relocation to NYC within 2+ years • Early-stage role with high autonomy and real long-term upside • Enjoy a learning & development budget for courses, certifications, and language learning to keep growing your skills • Work where you feel most productive at co-working spaces or from your home office with support for setup, internet, and phone • We hire the best, expect the best, and give you the masterclass of your career - an archaic and huge industry like ERP only goes through a restructure like this once in a lifetime. It’s hard, it’s intense, and it’s the most rewarding work you’ll ever do. • If you’re hungry, driven, and ready to build something massive, climb aboard!