Senior Software Engineer, CX

Whatnot

$130K — $180K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of software engineering experience in high growth startups.
  • Bachelor's degree in Computer Science or related field, or equivalent experience.
  • Proven track record in building end-to-end product experiences.
  • Strong ownership mindset with a focus on delivering high-quality products.
  • Ability to translate user needs into effective technical solutions.
  • Creative problem solver capable of navigating ambiguity.
  • Experience in fostering an inclusive and supportive team culture.

Responsibilities

  • Build and maintain user-facing experiences on the Customer Support platform.
  • Scale internal infrastructure to manage high support volumes.
  • Design AI-powered automations to efficiently resolve customer issues.
  • Lead projects from initial concept through to production and beyond.
  • Translate ambiguous business problems into clear technical solutions.
  • Drive delivery and experimentation to enhance product impact.
  • Balance development speed with technical excellence.

Benefits

  • Flexible time off policy and company-wide holidays.
  • Comprehensive health insurance options including medical, dental, and vision.
  • Support for remote work with home office setup and a monthly allowance for internet and cell phone.
  • Monthly wellness allowances and annual childcare support.
  • 401k retirement plan with employer match and international pension plans.
  • Unique dogfooding allowance to promote product familiarity among employees.
  • 16 weeks of paid parental leave plus a one-month gradual return to work.
Full Job Description
Role

We're looking for a Senior Backend Engineer to join the Customer Experience team and help us build a world-class Customer Support platform. With Whatnot's rapid growth comes a high volume of complex support needs-spanning technical, purchasing, and logistics issues for both buyers and sellers. Our team is responsible for resolving them quickly, reliably, and with high customer satisfaction.

As a member of the team, you'll build new user-facing experiences, scale internal infrastructure, and design intelligent AI-powered automations to help us solve thousands of customer issues per hour.

You'll lead solutions end to end. You'll translate ambiguous business problems into clear technical solutions and drive delivery and experimentation. Your role will involve creative problem-solving to balance development speed, product impact, and technical excellence.

Team members in this role are required to be within commuting distance of our San Francisco, Seattle, Los Angeles, or New York hubs.

You

Curious about who thrives at Whatnot? We've found that low ego and a growth mindset, while leaning into action, details, and impact goes a long way here.

As our next Backend Engineer, you should have 5+ years of full-time software engineering experience in high growth startups, plus:
  • Bachelor's degree in Computer Science, a related field, or equivalent work experience.
  • Backend Expertise: Proven track record of building end-to-end product experiences and scaling high-scale backend systems. Experience with Python, Elixir, and/or Postgres is a plus. Experience with Python, Elixir, and/or Postgres is a plus.
  • Ownership Mindset: Own projects holistically from inception to production and beyond. You are known for shipping high-quality products and platform level initiatives fast.
  • Product Instinct: Excel at translating user needs to effective technical solutions.
  • Problem Solving: Thrive in ambiguity and tackle challenging problems with creativity and autonomy.
  • Team Leadership: Proactively improve the team environment and foster inclusive, supportive team culture.
Benefits
  • Flexible Time off Policy and Company-wide Holidays (including a spring and winter break)
  • Health Insurance options including Medical, Dental, Vision
  • Work From Home Support
    • Home office setup allowance
    • Monthly allowance for cell phone and internet
  • Care benefits
    • Monthly allowance for wellness
    • Annual allowance towards Childcare
    • Lifetime benefit for family planning, such as adoption or fertility expenses
  • Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally
  • Monthly allowance to dogfood the app
    • All Whatnauts are expected to develop a deep understanding of our product. We're passionate about building the best user experience, and all employees are expected to use Whatnot as both a buyer and a seller as part of their job (our dogfooding budget makes this fun and easy!).
  • Parental Leave
    • 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

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