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Founding Software Engineer – Early-Stage Fintech Startup
Location: San Francisco, CA – Onsite
Seniority: 2–5 years (Backend-leaning Full-Stack)
Salary: $170K + Equity 0.5%+
Visa Sponsorship: Not available
Hiring: 1 engineer

About the Role:
Join a small, early-stage team on a mission to modernize consumer financial experiences. As a founding engineer, you’ll own and build core backend systems, including APIs, data pipelines, and model-serving infrastructure for an LLM-driven consumer app. You’ll collaborate closely with the founding team to move ideas from prototypes to production and help define the company’s technical culture.

Key Responsibilities:

  • Architect, build, and optimize backend systems powering the product

  • Design and deploy scalable APIs and complex data pipelines

  • Train, evaluate, and fine-tune machine learning models on financial and behavioral datasets

  • Collaborate with product and design to prototype and ship features rapidly

  • Influence technical architecture and engineering practices

Ideal Candidate:

  • 2–5 years software engineering experience, strong backend skills (Python or Rust preferred)

  • Experience building complex data pipelines

  • Comfortable with modern machine learning workflows and deploying ML systems into production

  • Scrappy, resourceful, and thrives in ambiguity

  • Excited about consumer fintech and AI-driven experiences

  • In-person in San Francisco

Traits to Avoid:

  • Only B2B SaaS experience

  • No backend or data pipeline experience

Why Join:

  • Work on consumer-facing AI and fintech solutions impacting millions of users

  • Opportunity to own core backend systems and shape the product

  • Early equity stake in a highly ambitious startup backed by visionary investors

  • Tackle technically challenging problems in an underserved industry

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