Join Agave, a YC-backed company building AI financial operations for construction. As a Full-Stack Software Engineer, you'll simplify complex systems, unify fragmented data, and build high-scale systems. You'll work on unifying dozens to hundreds of fragmented systems, connecting with older systems, and building efficient caching layers.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Job Description
I’m partnering with Agave, a YC-backed company building AI financial operations for construction.
Agave is building the financial ops platform for a $12T global industry still running on fragmented, outdated, and often on-prem systems.
They’ve spent years building the rails to read and write across those systems — and now use them to deploy AI for invoicing, expenses, compliance, billing, and more.
Recruiting for a Full-Stack Software Engineer (in-person / remote optional).
This is a high-ownership engineering role for someone who enjoys simplifying complex systems, unifying fragmented data, and building high-scale systems.
The work centers on:
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• Unification — bringing dozens to hundreds of fragmented systems under one standard
• On-prem — connecting with older SQL-based, DLL-based, and API-based systems
• Scale & speed — handling millions of API requests per day and building efficient caching layers
• Operational excellence — creating reliable API layers on top of legacy systems
• Mix of back-end and front-end — building products that dog-food Agave’s own APIs
• Variety — researching and launching integrations where every system has its own quirks
The right person is likely a back-end/full-stack engineer with strong ownership, low ego, and excitement for a fast-paced, intense, high-caliber team.
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No prior experience with Agave’s tech stack or at a B2B SaaS/API company is required.
Tech stack: TypeScript, React, Redis, Postgres, AWS CDK, EC2
Location: San Francisco / Remote US
Compensation: $130K–$240K base + 0.05%–0.20% equity
Role: Full-Stack Software Engineer (in-person / remote optional)
Visa: Sponsorship available
If you know a strong full-stack or back-end engineer who would be excited by construction tech, financial operations, data infrastructure, and high-ownership engineering,
email: Len@Built4Startups.com
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