Backend Software Engineer (Senior/Staff)

DualEntry is a rapidly growing AI-native ERP startup founded in 2024, backed by top-tier investors like Lightspeed and Khosla Ventures. This Senior/Staff Backend Engineer role involves owning end-to-end backend systems and infrastructure to automate accounting workflows for companies ranging from $5M-ARR businesses to NYSE-listed companies.

• Own end-to-end execution for backend systems and infrastructure
• Build APIs, services, and real-time systems handling complex accounting logic
• Collaborate with founders, product, and frontend engineering to turn complex workflows into secure, performant systems
• Design, implement, and ship production-ready features at high speed
• Manage data migrations, scaling challenges, external integrations, and end-to-end reliability
• Drive measurable outcomes that accelerate product velocity and stability

• 8+ years of experience in backend engineering
• Proven track record in high-growth, high-ownership environments
• Strong skills in PostgreSQL, SQL, ORMs, migrations, and schema design
• Experience with AWS or comparable cloud infrastructure
• Strong API design and testing experience
• Understanding of CI/CD, deployment, and production readiness
• Bonus: expertise in Python and modern frameworks (FastAPI, Flask, or Django)
• Ability to manage complex systems with evolving requirements
• Fluent English (C1+) with clear communication
• Hardcore work ethic and high agency

Salary: $100,000 - $175,000 USD

Location: Remote with 4hr+ overlap for US ET timezone

Equity: $75,000+ USD

Time Off: 15 PTO days + 12 public holidays

Benefits: Visa sponsorship option for NYC relocation, learning & development budget, remote-first setup support (co-working spaces or home office), wellness perks

Contract: B2B

Culture: High-trust, high-ownership, high-speed environment with early-stage autonomy and long-term upside