Software Engineer, Ads

Whatnot

$120K — $150K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of software engineering experience, preferably in digital advertising or related fields.
  • Demonstrated proficiency in full-stack development, with a focus on backend architecture and data systems.
  • Strong analytical skills with ability to interpret complex data and system behaviors.
  • Experience in building scalable systems and features that improve user engagement.
  • Ability to prioritize and make sound product decisions aligned with user needs.

Responsibilities

  • Develop and enhance ads products across the entire ads stack.
  • Create scalable systems that optimize online advertising for sellers.
  • Analyze performance and system behavior to ensure product effectiveness.
  • Collaborate with teams to improve buyer and seller experiences using ads products.
  • Drive end-to-end ownership of features and systems.

Benefits

  • Flexible Time Off and Company-wide Holidays, including seasonal breaks.
  • Comprehensive Health Insurance options covering Medical, Dental, and Vision.
  • Support for Remote Work, including home office setup and monthly communication allowances.
  • Wellness and Childcare allowances, plus family planning benefits.
  • Retirement savings with a 401k plan and employer matching.
  • Unique 'dogfooding' initiative encouraging employees to engage with the product actively by using an allocated budget.
  • Generous Parental Leave policy, offering 16 weeks paid leave plus gradual return options.
Full Job Description
Role

Ads is a growing engineering team at Whatnot dedicated to building systems & features to help Sellers grow their business. As a software engineer on the Ads team, the most important qualities you'll need are making sound product decisions, navigating new domains seamlessly, taking extreme ownership, and shipping high-quality products fast. We always prioritize the highest-impact features and ship them quickly. The software team has a lot of individual responsibility and many more freedoms, so we need to hire people we can trust. Your ability to put customers first, make good trade-offs, and deliver impact is essential to us.

We're hiring across the full ads stack - from engineers who go deep on backend systems and data to engineers who move fluidly across the stack into client and seller-facing surfaces. In either case, you'll own problems end to end and grow into new areas as the team scales.

What you'll do:
  • Build ads products by working across the full ads stack including bidding & targeting, ranking/auction, serving, campaign management, and seller tooling.
  • Build highly scalable ads systems that handle all aspects of running an online advertising system and help sellers differentiate themselves on Whatnot.
  • Dig deep into data, logging, and system behavior to reason about performance, correctness, and impact - not just ship features, but understand why they work.
  • Understand our buyer and seller experiences and become an expert in helping them effectively scale their business through ads products.
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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