Full Stack Engineer

Responsibilities

• Build and maintain a unified API layer that connects construction ERPs and legacy systems to modern software platforms.
• Work with complex legacy systems, including SQL-based, DLL-based, and API-based systems that may be 20–40 years old.
• Build core backend infrastructure for products across ERP sync, AP automation, expense management, and vendor management.
• Solve real-time data synchronization challenges, including websocket implementations for systems without native webhooks.
• Help scale systems handling millions of API requests per day.
• Create scalable testing frameworks to catch edge cases across 1,000+ endpoints.
• Own features end-to-end as an individual contributor in a flat engineering team.
• Work directly with customers to understand pain points and ship product improvements based on real feedback.
• Contribute across backend and full-stack work, including frontend development for internal/customer-facing apps that dog-food the company’s own API.

Qualifications

• Strong backend engineering ability, with comfort working on infrastructure, APIs, data sync, and distributed systems.
• Familiarity with cloud infrastructure, ideally AWS.
• Startup or founding engineering experience, especially at a pre-seed through Series C company.
• Experience working in ambiguous, fast-moving environments where engineers own problems deeply.
• A high-ownership, low-ego working style.
• Strong academic background, such as a high GPA, academic honors, debate, or competitive extracurriculars.
• Multi-year tenure in a prior role, showing follow-through and depth.
• A serious competitive background, such as college or high school athletics, is a strong plus.
• Top engineering school background is a plus, especially schools like UWaterloo or other top CS programs.

Benefits

• 90% healthcare cost coverage with multiple plan options.
• 100% 401(k) match up to 4% of annual salary.
• Sizable relocation bonus for candidates outside the Bay Area.
• On-site gym with Peloton, squat rack, Tempo, and yoga setup.
• Opportunity to join a profitable, fast-growing seed-stage startup backed by top investors.
• Direct exposure to customers, product strategy, and core infrastructure decisions.
• High-impact engineering ownership on systems used by hundreds of paying customers.