Senior Backend Engineer (NYC)

dualentry · Remote

Experience: 5+ years

About DualEntry DualEntry is building the OS for finance. Every business needs a financial system of record, yet the world's largest fintech market (

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20B+) still runs on software from the 1990s. DualEntry's AI-native ERP automates accounting from data entry to close, so finance teams move faster, spend less and incur less risk. In just 2 years we've raised
00M+ from Lightspeed, Khosla Ventures, Contrary and Google Ventures and earned the trust of customers from $5M ARR to publicly traded companies. We hire outliers - people who have achieved difficult things, in their careers or beyond. You'll find leaders, colleagues who've competed at the highest levels of sport, performed on Broadway, trained with UFC champions and founded the country’s largest Python community. Where You'll Create Impact Build! Design backend systems and APIs (Python preferred) that run real-time, business-critical accounting logic Ship features end to end - architecture, CI/CD, testing, monitoring, and beyond Integrate third-party tools and external systems, proactively managing edge cases and risk What Sets You Up for Success Hardcore work ethic and high agency 5+ years in backend engineering (language agnostic) Deep experience with complex business logic products Strong database skills: PostgreSQL, SQL, ORMs, migrations, schema design Experience deploying on AWS (or similar), with solid CI/CD and production-readiness fundamentals Bonus: Python and a modern web framework (FastAPI, Flask, or Django) Why You’ll Thrive Here Significant equity ownership in one of the top AI companies in the world You’re joining early and will grow with DualEntry Your feedback shapes the product directly High-speed, high-trust environment with high expectations Meet the Engineering Team Ignacio shaped the baseline of our integration framework from scratch in a single weekend, then spent most weekends - while coordinating the team - shipping what was never on the roadmap: webhooks, a search engine for millions of

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