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Backend Software Engineer

Posted today
San Francisco, California, United States$170K–$220KCybersecurity
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About the role

Company: Confidential - Fast-growing cybersecurity startup
Location: San Francisco, CA (in office 5 days per week; relocation support available)
Compensation: $170,000 - $220,000 + highly competitive equity
Employment Type: Full-time
Visa Sponsorship: Visa transfers (OPT, H-1B transfer)

About the Company

A fast-growing, venture-backed AI cybersecurity startup protecting small and mid-size businesses from account takeover, winning the large majority of head-to-head evaluations against incumbents.

The Role

Our client is hiring a Backend / Distributed Systems Engineer (2+ years) to build and scale the AI-powered detection platform that stops account compromise in real time. You will join a small, high-caliber team, own critical infrastructure from day one and work directly with the founders.

What You Will Do

  • Design and build real-time account-compromise detection spanning signal ingestion, behavioral analysis and AI-powered decisioning.
  • Architect backend infrastructure for 10-100x scale growth over the next six months.
  • Ship ML/AI-integrated systems into production, not just prototypes.
  • Establish engineering patterns and raise the technical bar.
  • Evolve the core detection platform with the founders.

What You Bring

  • 2-4 years in backend or distributed systems engineering
  • Built high-stakes, data-intensive systems at scale (real-time ingestion pipelines, databases, distributed processing)
  • Designed and built systems end to end with large ownership scope, ideally at a startup
  • Distributed systems architecture and database scaling
  • High agency: scopes, designs and ships without waiting for direction
  • CS degree from a top US program
  • Ability to work in the San Francisco office 5 days a week

Nice to Have

  • Quant/trading infrastructure or infra at top tech companies
  • Performance-oriented languages (TypeScript/Node.js, Python, Go, Rust, Java, C++)
  • Upward career trajectory from tier-1 companies

Benefits

Healthcare, dental, vision, 401(k), meals, commuting stipend, Equinox discount, relocation support.

Interview Process

Phone screen (15-20 min), system design technical screen (60 min), onsite (3-4 hours).

Tech Stack

Node.js, TypeScript, React, Python

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