Staff/Principal Software Engineer

IAN SEAN CROSBY JAMAL
San Francisco, CA, United States
5 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Compensation
$250,000.0 - $350,000.0
Working hours
Regular working hours
Job source

Tech stack

Next.js Software Engineering TypeScript Large Language Models

Job description

  • Build agents that interact with customers and do accounting autonomously.
  • Build an accounting ledger from the ground up.
  • Integrate with financial data providers.
  • Ship new features daily in Typescript/NextJS.
  • Make lots of decisions quickly.
  • Take risks.

Requirements

  • 5+ years software engineering experience.
  • A pragmatic approach to building fast at the early stages of a company.
  • Familiarity and deep interest in the rapidly changing capabilities of LLMs.
  • Interest in discovering what problems our customers face and how we can solve them.
  • A sense of agency and urgency.
  • A severe bullshit allergy.

Benefits & conditions

  • $250-350k USD salary
  • 1% - 2% FD equity
  • Health benefits
  • We sponsor visas for exceptional candidates worldwide

About the company

We are the founding team that previously built Bench Accounting from an idea to a successful business with >$100M raised and >600 employees, and Teal (acquired by Mercury). We’re back in the SMB accounting space, this time working on a bigger idea with even greater potential.

Synthetic was founded in November 2025. We’re a five person team so far. We have early test customers and a working prototype of our product that’s advancing daily. We’re seeking someone smart and hungry to join up and help build the next iterations of the product. We are building in San Francisco. We work 6 days a week in person to make our product a reality.

We’re looking for people of exceptional competence to join our team. If this is you, and you want to work on the future of autonomous professional services, apply., Synthetic was founded in November 2025 by Ian Crosby. Synthetic is backed by Khosla Ventures.

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

4:30 min

Scaffolding pages and routing single-page applications with Next.js

Josh Goldberg · JS Congress

1:00 min

Misconceptions about TypeScript safety capabilities

Simone Sanfratello · JS Congress

1:22 min

Understanding software engineering as more than just coding

Lilia Gargouri Lilia Gargouri · World Congress 2026 Europe

2:53 min

Transitioning from linguistics and teaching into software engineering

Yasmine Kordjazy · Coffee With Developers

1:31 min

Introduction to the GraphQL, Apollo, and Next.js stack

Josh Goldberg · JS Congress

4:18 min

Prioritizing communication and structural awareness over strict tool mastery

Liam Hurrel +1 · World Congress 2021

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