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Full Stack Developer
San Francisco, California, United States
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About the Company

A modern data infrastructure platform serving one of the world's largest industries — construction. The company has 550+ paying customers on 1-3 year contracts, has been profitable and cash-flow positive since 2023, and is growing 10% monthly. Backed by top-tier VCs with investors who have operated at some of the most well-known construction and fintech software companies globally. The founding team worked together for 12+ years at a company acquired by a major tech giant, then spent several years there before founding this company. 36 people, growing fast.

The platform is product-led — each product builds on the one before it, starting with data connectivity and ending with fully automated workflows: ERP Sync, AP Automation, Expense Management, and Vendor Management.


About the Role

You'll be hands-on with core backend systems, syncing financial data across fragmented legacy software in real time. The work is roughly 80-90% backend with some frontend on internal tooling that dog-foods the API.

The engineering team is intentionally flat — no traditional manager layer, no heavy specialization. You'll own features end-to-end as an IC, talk directly to customers, and ship based on real feedback daily.



What You'll Own

  • Build and maintain the unified API layer connecting construction ERPs to modern software — legacy SQL, DLL, and API-based systems built 20-40 years ago
  • Ship core backend systems across ERP Sync, AP Automation, Expense Management, and Vendor Management
  • Solve real-time data sync challenges including websocket implementations for systems that lack native webhooks
  • Build scalable testing frameworks across 1,000+ endpoints
  • Engage directly with customers and ship features daily



Technical Environment

  • Millions of API requests per day
  • Dozens to hundreds of fragmented legacy systems unified under a single standard
  • On-prem connectivity (SQL, DLL, API-based)
  • SLA enforcement on top of unreliable legacy systems
  • Cloud infrastructure on AWS


What We're Looking For

Must Have

  • 1-5 years of backend or full-stack engineering experience — exceptional new grads with strong internship experience considered
  • CS degree from a strong engineering program
  • Hands-on AWS or cloud infrastructure experience
  • Self-motivated, high-ownership, low-ego — someone who ships without being managed



Nice to Have

  • Prior startup or founding engineering experience (pre-Seed through Series C)
  • Strong academic pedigree — top 20-30 university, high GPA, honors, competitive extracurriculars
  • Competitive athletic background — college or high school varsity sport
  • Multi-year tenure at a previous role



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