Backend engineer for accounting

About DualEntry DualEntry is building the OS for finance. Every business needs a financial system of record, yet the world's largest fintech market ($220B+) 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 $100M+ from Lightspeed, Khosla Ventures, Contrary and Google Ventures and earned the trust of customers from $5M ARR to publicly traded companies.

• 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

• 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
• 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 [here] you can't choose two out of three' - Jeff Bezos.
• 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
• Будет плюсом: Bonus: Python and a modern web framework (FastAPI, Flask, or Django)

• 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
• Equity: £40,000 - £70,000
• Base salary: £130,000 - £220,000
• Private medical insurance through Freedom Elite
• Mental health support (Talkspace)
• Fertility support (Carrot)
• Group life insurance (Allianz)
• Workplace pension through Penfold (with salary sacrifice option)
• Flexible PTO (28 days, including public holidays)
• Home internet, co-working space & office setup support
• Unlimited AI token usage
• AI skills development & enablement
• Learning & development budget for courses, certifications & language learning
• Visa sponsorship and relocation support for a move to NYC (after 2 years' tenure)
• In-person team meetups (our last ones: Lisbon, Vienna, Warsaw, Cyprus and more!)