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:
\nArchitect, build, and optimize backend systems powering the product
\nDesign and deploy scalable APIs and complex data pipelines
\nTrain, evaluate, and fine-tune machine learning models on financial and behavioral datasets
\nCollaborate with product and design to prototype and ship features rapidly
\nInfluence technical architecture and engineering practices
\nIdeal Candidate:
\n2–5 years software engineering experience, strong backend skills (Python or Rust preferred)
\nExperience building complex data pipelines
\nComfortable with modern machine learning workflows and deploying ML systems into production
\nScrappy, resourceful, and thrives in ambiguity
\nExcited about consumer fintech and AI-driven experiences
\nIn-person in San Francisco
\nTraits to Avoid:
\nOnly B2B SaaS experience
\nNo backend or data pipeline experience
\nWhy Join:
\nWork on consumer-facing AI and fintech solutions impacting millions of users
\nOpportunity to own core backend systems and shape the product
\nEarly equity stake in a highly ambitious startup backed by visionary investors
\nTackle technically challenging problems in an underserved industry
\nSend this job to your inbox!
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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