Fermat Senior Software Engineer

San Francisco, California

Recruiting from Scratch
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Who is Recruiting from Scratch:

Recruiting from Scratch is a premier talent firm that focuses on placing the best product managers, software, and hardware talent at innovative companies. Our team is 100% remote and we work with teams across the United States to help them hire.

About the client:

Title of Role: Senior Software Engineer, Platform
Location: San Francisco, CA
Company Stage of Funding: Series A
Office Type: Hybrid (3 days/week in office)
Salary: $175,000 - $220,000 + Quarterly Bonus (up to 6%)
Company Description

Our client is a cutting-edge Series A startup reimagining how commerce happens across the internet. Built by an experienced founding team, the company is scaling fast with a unique approach to enabling seamless digital retail experiences.

The platform powers a rapidly growing ecosystem of brands, products, and users-and they're now building out a best-in-class engineering organization to support this growth. With a strong focus on infrastructure and scalability, the company is laying the foundation for the next wave of e-commerce innovation.
What You Will Do

As a Senior Software Engineer on the Platform team, you'll be a key contributor in architecting and building the foundational systems that power the entire company. This is a high-impact role that touches every product and engineering team, with a focus on scalability, speed, and developer empowerment.

In this role, you will:
  • Design, implement, and maintain platform infrastructure that scales to meet growing demand
  • Build distributed systems that are reliable, secure, and performant
  • Develop internal tools and services that improve developer velocity and system observability
  • Enable self-serve capabilities for internal teams and customers
  • Collaborate cross-functionally with product, design, and other engineering teams
  • Influence the overall technical vision and help guide architectural decisions
Ideal Candidate Background

We're looking for a strong platform engineer who has operated at scale and thrives in startup environments where collaboration, ownership, and impact are key.

You'll bring:
  • 4-7 years of experience in full-stack or backend engineering
  • Deep understanding of distributed systems and microservices architecture
  • Hands-on experience designing APIs and building scalable platform infrastructure
  • Proficiency with backend languages such as Go or Python
  • Familiarity with modern frontend frameworks (e.g., React, Next.js) is a plus
  • A background in high-growth environments (Series A-D startups or high-performing teams in big tech)
  • Excellent collaboration and communication skills
Preferred
  • Experience in a hybrid scaling environment-mix of startup agility and big tech scale
  • Previous startup experience, especially at early-stage or high-growth companies
  • Strong academic background (for junior engineers) or proven track record at FAANG/startups (for senior engineers)
  • Exposure to Google Cloud, Postgres, or similar modern cloud platforms
Compensation, Benefits & Perks
  • Base Salary: $175,000 - $220,000
  • Bonus: Up to 6% annually, paid quarterly
  • Equity: Competitive stock options, based on experience and interview performance
  • Visa Sponsorship: Available on a case-by-case basis
  • Work Setup: Hybrid (3 days a week in San Francisco office)
  • Team Culture: Balanced work-life culture, in-person collaboration encouraged, leadership committed to sustainable scaling
  • Tech Stack: Golang, TypeScript, React, Next.js, Postgres, Google Cloud
If you're looking to shape the platform foundation of a high-impact product and love solving complex technical challenges in a fast-moving startup environment-this is your opportunity to step in and make your mark.
Date Posted: 13 May 2025
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