Whatnot - Engineering Manager, Mobile
Responsibilities
• Lead and mentor a team of highly skilled engineers, guiding them through complex Lead and mentor multiple mobile-focused engineering teams, supporting both iOS and Android development and fostering strong technical leadership across platforms. • Define and drive a long-term mobile platform strategy, balancing near-term delivery with foundational investments in performance, reliability, and developer experience. • Champion mobile performance and observability, ensuring teams deeply understand app health, user experience metrics, and production behavior at scale. • Partner closely with product, design, infrastructure, and data teams to ensure mobile architecture and execution align with broader company goals. • Drive clarity and alignment across teams by setting expectations, building buy-in, and navigating complex cross-functional tradeoffs. • Establish and evolve best practices around mobile architecture, testing, release quality, and technical debt management. • Support and grow senior ICs and managers, creating clear growth paths and a strong bench of mobile leadership. • Team members in this role are required to be within commuting distance of our San Francisco, Los Angeles, Seattle, or New York hubs. • Curious about who thrives at Whatnot? We’ve found that embodying a low ego, growth mindset, and high-impact drive goes a long way here. • In addition to embodying our cultural principles, great candidates will also have: • 10+ years of experience in software engineering, with significant experience leading mobile teams (iOS, Android, or both). • A strong technical foundation in mobile application architecture, performance optimization, and production reliability. • Deep familiarity with mobile observability and performance tooling, and a strong intuition for diagnosing real-world app issues. • Experience leading teams through ambiguous, high-impact initiatives that require cross-team coordination and influence. • A collaborative leadership style — comfortable driving decisions and navigating trade-offs. • Proven ability to scale teams, develop leaders, and create healthy, high-performing engineering cultures. • Comfort operating at both the strategic and tactical levels, with the judgment to know when to zoom in and when to step back. • Bonus: experience working closely with backend or platform teams, or contributing to backend systems directly earlier in your career.
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 • Monthly allowance for cell phone and internet • 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!). • 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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