Backend Software Engineer

Who is Recruiting from Scratch:
Recruiting from Scratch is a specialized talent firm dedicated to helping companies build exceptional teams. We partner closely with our clients to deeply understand their needs, then connect them with top-tier candidates who are not only highly skilled but also the right fit for the company’s culture and vision. Our mission is simple: place the best people in the right roles to drive long-term success for both clients and candidates.

Title of Role:
Backend Software Engineer

Location:

San Francisco, CA (On-site)

Company Stage of Funding:
Hyper-Growth, Highly Profitable Private Company

Office Type:
On-site, Full-Time

Salary:
Competitive (based on experience) + Equity

We’re representing one of the fastest-growing companies in the world, scaling from $1M to $500M in revenue run rate in just 17 months with accelerating growth. Their platform builds AI-driven models that evaluate candidate performance potential better than human recruiters, and the technology is already trusted by the top global AI labs.

The team is small, profitable, and growing as fast as exceptional hires can be made, offering an outsized opportunity to have direct impact from day one.

• Design and build scalable backend APIs, services, and infrastructure.
• Own projects end-to-end, delivering production systems tied directly to business outcomes.
• Collaborate with product and design to ship features quickly across the stack.
• Write clean, maintainable code while participating in design discussions, code reviews, and retros.
• Solve real-world customer problems under real-world constraints.
• Contribute to core systems powering training, evaluation, and scaling for advanced AI labs.

• Strong coding fundamentals in at least one modern language (Python, Go, Rust, etc.).
• Solid understanding of data structures, algorithms, and distributed systems.
• Familiarity with APIs, SQL/No
  
  SQL databases, and cloud platforms (AWS or GCP).
• High ownership mindset with curiosity and the ability to ask the right questions.
• Comfortable breaking down ambiguity into simple, production-ready solutions.

• Impact
  :
  Your work directly powers how the world’s top AI labs train and test their models.
• Learning
  :
  Gain early insights into frontier AI capabilities months before the market.
• Growth
  :
  Tackle both infrastructure and research-adjacent projects with rapid paths to ownership.

• Salary
  :
  Highly competitive (commensurate with experience)
• Equity
  :
  Generous early-stage equity package
• Work Setup
  :
  On-site in San Francisco
• Other Benefits
  :
  • Direct ownership and immediate impact on mission-critical systems
  • Opportunity to work closely with a senior, high-performing engineering team
  • Exposure to cutting-edge AI model training and evaluation workflows

This role is perfect for engineers who thrive on ownership, love solving hard backend problems, and want to build the infrastructure enabling the next generation of AI.

Salary Range: $130,000-$500,000 base.