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Founding Software Engineer

  • Office
  • 0-3 years

Salary

$140,000 - 220,000/ year

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Description

We're looking for a founding software engineer (member of technical staff) who is obsessed with building agentic AI systems and wants to ship real product from day one. You'll work across the stack but spend most of your time on backend systems, building and orchestrating AI agents that interact with borrowers, loan officers, and third-party platforms in a regulated industry.

This is not a "learn on the job quietly" role. You'll be in the room with customers, see how your code impacts their workflow, and iterate fast. This role is on-site in our San Francisco, CA office.

What You'll Work On

Designing and building agentic AI pipelines: tool use, multi-step orchestration, evaluation, and reliability at scale

Backend services in Python (FastAPI) on Aurora PostgreSQL and AWS

Multi-tenant architecture with strong security and compliance boundaries

Integrations with mortgage industry platforms (LOS systems, voice, messaging)

Frontend experiences in React, Vite, and TanStack when the product calls for it

Responsibilities

  • We're looking for a founding software engineer (member of technical staff) who is obsessed with building agentic AI systems and wants to ship real product from day one. You'll work across the stack but spend most of your time on backend systems, building and orchestrating AI agents that interact with borrowers, loan officers, and third-party platforms in a regulated industry.
  • This is not a "learn on the job quietly" role. You'll be in the room with customers, see how your code impacts their workflow, and iterate fast. This role is on-site in our San Francisco, CA office.
  • What You'll Work On
  • Designing and building agentic AI pipelines: tool use, multi-step orchestration, evaluation, and reliability at scale
  • Backend services in Python (FastAPI) on Aurora PostgreSQL and AWS
  • Multi-tenant architecture with strong security and compliance boundaries
  • Integrations with mortgage industry platforms (LOS systems, voice, messaging)
  • Frontend experiences in React, Vite, and TanStack when the product calls for it

Requirements

  • Strong fundamentals in backend engineering (Python preferred)
  • Hands-on experience building with LLMs: agent loops, tool calling, prompt engineering, evals
  • Comfort with PostgreSQL, schema design, and migrations
  • Exposure to multi-tenancy patterns, auth, or compliance-aware systems is a plus
  • Bonus: sharp design sensibility and strong frontend skills (React, Vite, TanStack). We value engineers who care deeply about craft on both sides of the stack.
  • High energy, low ego, genuine curiosity about how things work
  • You care about the people using what you build
  • Skills: Amazon Web Services (AWS), PostgreSQL, Python, React, TypeScript
  • Experience: 1+ years
  • Visa: US citizen/visa only

Where you’d work

From the office

The office

No visa sponsorship

You must already be able to work in the United States

About the company

Company hidden

  • Industry: FinTech

Office in San Francisco, United States

Your chances

Still hiring, moderately crowded, and a person reads your message.

  • 19 checks run
  • 7 good signs
  • 2 red flags

Still hiring?

12 checks

Actively hiring

In its favour4

  • Still on the company's own careers site, checked 2 h agoModerate evidence
  • Specific about the basics: pay, place, level, stack and contract all statedSlight evidence
  • States its salarySlight evidence
1 moreFewer
  • A hiring contact is attached to itSlight evidence

How crowded?

7 checks

Moderate

In its favour3

  • You can message the hiring contact and skip the queueModerate evidence
  • In the office in San Francisco: only people nearby can take itSlight evidence
  • Only for people already authorized to work in United StatesSlight evidence

Against it2

  • Open for 2 weeks: applications have had time to pile upModerate evidence
  • Entry level: the most applied-to level there isModerate evidence
21 roles like this are in their Early WindowFound before the big job boards, while the crowd hasn’t arrived

Fits Me

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Check My Fit
Details13 facts · Role, Location, Compensation, Employment, Company
Tech stack
  • React
  • TypeScript
  • Python
  • PostgreSQL
  • AWS
  • LLMs
Type
Full-time
Industry
FinTech
Specialty
Fullstack
Region
United States
Pay period
Annual
Show 7 more factsShow less

Role

Category
Development
Specialty
Fullstack
Experience
1+ years
Tech stack
  • React
  • TypeScript
  • Python
  • PostgreSQL
  • AWS
  • LLMs

Location

Work model
Office
Region
United States
Office
  • San Francisco, United States
Visa sponsorship
Not sponsored
Must already work in
  • United States

Compensation

Salary
$140,000 - 220,000 / year
Pay period
Annual

Employment

Type
Full-time

Company

Industry
FinTech

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