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Senior Software Engineer, Acquisition & Identity

United States, San Francisco 200000.00 - 235000.00 USD / Year · Job Posted February 20, 2026
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Job Description

As a Senior Software Engineer, you will drive the development of critical systems that power how users join and trust our platform; spanning user acquisition, onboarding, identity, and fraud prevention. You will collaborate with cross-functional teams to deliver reliable, scalable, and high-performance software solutions. This role requires a deep understanding of software engineering principles and the ambition to lead impactful projects.

Job Responsibility

  • Lead the architecture and design of platform systems that support user acquisition, onboarding, and identity infrastructure
  • Build and scale fraud prevention systems to protect the integrity of our platform
  • Develop high-quality code and implement robust testing strategies to ensure product reliability
  • Collaborate with product managers and designers to create seamless user experiences from first touch through activation
  • Mentor junior engineers to foster technical growth and innovation

Requirements

  • 5+ years of software engineering experience, with a backend-leaning full stack orientation
  • Strong proficiency in programming languages such as Java, Python, or Ruby to deliver robust solutions
  • Experience building platforms and scalable infrastructure systems
  • Experience with cloud platforms like AWS or Azure to enable scalable applications
  • Demonstrated ability to lead technical projects and drive them to success
  • Excellent problem-solving skills to address complex technical challenges
  • Excellent communication skills to effectively collaborate with diverse teams

Nice to have

Interest in identity, trust & safety, or fraud prevention

What we offer

  • Equity in a fast-growing company
  • 401(k) match, competitive compensation, financial coaching
  • Paid parental leave, fertility benefits, parental coaching
  • Medical, dental, and vision, mental health support, wellness stipend
  • Learning stipend, ongoing development
  • Internet, commuting, and free lunch/gym in our SF office
  • Flexible PTO, 15 holidays + 2 flex days
  • Team outings & referral bonuses

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