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SanitySanity

Senior Support Engineer

Senior Support Engineer who independently resolves complex enterprise customer issues, leads high-severity investigations, and improves support systems and documentation. Requires 4+ years of developer support or engineering experience and strong JavaScript/TypeScript web debugging skills.

About the job

Responsibilities

  • Independently own and resolve complex technical issues for enterprise customers.
  • Lead investigations into ambiguous or high-severity issues and liaise during incidents while maintaining clear communication.
  • Produce minimal reproductions, reusable code snippets, and structured issue reports.
  • Provide informal mentorship and technical guidance to Support Engineers.
  • Collaborate with Product and Engineering to identify patterns and influence product improvements.
  • Author and improve documentation, guides, and self-service resources.
  • Contribute to infrastructure, tooling, and workflow improvements within the Support organization.
  • Participate in the community support rotation and model clear, empathetic communication.

Requirements

  • 4+ years of hands-on experience in developer support or engineering roles.
  • Strong experience debugging complex JavaScript/TypeScript and modern web applications such as Next.js.
  • Demonstrated ability to independently own complex issues from diagnosis through resolution.
  • Strong debugging instincts and ability to reason across frontend, APIs, and infrastructure layers.
  • Clear communication, empathy, sound technical judgment, and comfort operating under pressure.
  • Proactive approach to improving systems, documentation, and processes.

Benefits

  • Comprehensive health plans and perks.
  • Flexible, trust-based work environment.
  • Professional and personal growth opportunities.
  • Work-life balance supporting individual and family needs.
  • Competitive salary and stock options program.

Skills

JavaScript, TypeScript, Next.js, Web Applications, Frontend, APIs, Infrastructure, Debugging, Minimal Reproductions, Technical Documentation

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