R

Senior Full Stack/Backend Engineer

United States
Visa Sponsorship
This Job is No Longer Active This position is no longer accepting applications

We are seeking a senior full stack/backend engineer with 3-7 years of experience. The ideal candidate will have a strong background in infrastructure, security, risk, or foundational systems. The role requires excellent communication skills and a genuine passion for building.

Key Highlights
3-7 years of experience
Full stack/backend engineer
Strong background in infrastructure, security, risk, or foundational systems
Technical Skills Required
React TypeScript Ruby on Rails Next.js
Benefits & Perks
Competitive salary
Equity
Visa sponsorship available
Nice to Have
Foundation model work
Deep systems-level engineering experience

Job Description

Role Requirements

Seniority

  • 3 -​ 7 years of experience as a fullstack/backend engineer focused on infrastructure,​ security,​ risk,​ or foundational systems

Work experience

  • Experience in backend/infrastructure,​ security,​ risk,​ or payments systems at a marketplace/fintech/social/creator company
  • Proven track record at a high-​growth startup (e.​g.​,​ promotions,​ awards,​ etc.​)
  • Ex-​founders or founding engineers at fast-​growing startups

Education

  • Computer science degree from a top school

Hard skills

  • Proficient with React/TypeScript.​ Ruby on Rails for back-​end and Next.​js for the front-​end is a plus.​
  • Foundation model work or deep systems-​level engineering experience

Soft skills

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