iOS Engineer, Buyer Growth at WhatNot

Seattle, Washington, United States

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$170,000 – $230,000Compensation

Mid-level (3 to 4 years), Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

E-commerce, Live Shopping, MarketplacesIndustries

Requirements

Bachelor’s degree in Computer Science, a related field, or equivalent work experience
Proficiency in Swift (inferred from iOS role context), with a deep understanding of iOS fundamentals
Proven track record of delivering user-facing features and shipping products and features lightning-fast
Excellent product instincts, prioritizing users over the best technical solution
Low ego, growth mindset, and leaning into action and high impact
Must live within commuting distance of the Seattle hub
Bonus: Experience with e-commerce or social products
Bonus: Familiarity with A/B testing frameworks, analytics instrumentation, or growth experimentation tooling

Responsibilities

Lead and scale critical growth initiatives such as onboarding flows, referral systems, sharing, promotion, rewards hub
Develop innovative systems and features for the iOS mobile app using Swift and drive architectural decisions to ensure systems are reliable, scalable, and extensible
Analyze performance metrics and user feedback to refine product strategies and deliver enjoyable experiences
Work across product, marketing, and data science to identify high-leverage growth opportunities and rapidly iterate on experiments
Develop a deep understanding of the product and use Whatnot as both a buyer and seller (dogfooding)

Skills

Key technologies and capabilities for this role

iOSSwiftMobile App DevelopmentOnboarding FlowsReferral SystemsPerformance MetricsArchitectural Decisions

Questions & Answers

Common questions about this position

What is the salary range for the iOS Engineer position?

The salary range is $170K - $230K.

Is this iOS Engineer role remote or does it require office presence?

The role offers flexibility to work from home or from global office hubs, but team members must live within commuting distance of the Seattle hub and the company values in-person time for planning and connection.

What skills are required for the iOS Engineer role on the Buyer Growth team?

Proficiency in Swift is required, along with a proven track record of delivering user-facing features quickly, excellent product instincts focused on users, and a bachelor’s degree in Computer Science or equivalent experience.

What is the company culture like at Whatnot?

Whatnot has a remote co-located team inspired by innovation and anchored in values, seeking bold, forward-thinking problem solvers with low ego, a growth mindset, and a focus on action and high impact.

What makes a strong candidate for this iOS Engineer position?

Strong candidates have a proven track record of shipping user-facing features lightning-fast, excellent product instincts prioritizing users, and bonus experience with e-commerce or social products, A/B testing, or growth tooling.

WhatNot

Online marketplace for authentic collectibles

About WhatNot

Whatnot.com operates as an online marketplace dedicated to collectibles, particularly focusing on items like Funkos and FiGPiNs. The platform ensures that every collectible listed is 100% authentic through a rigorous verification process that includes hand authentication, providing trust and security for both buyers and sellers. It caters to collectors and enthusiasts who seek a reliable space to buy and sell rare and exclusive items from popular franchises such as Marvel Comics and Star Wars. Whatnot.com distinguishes itself from competitors by charging low fees on sales and offering seller protection, which guarantees prompt and secure payments. The company's goal is to create a trusted environment for the growing community of collectible enthusiasts, facilitating safe and easy transactions for unique items.

Marina del Rey, CaliforniaHeadquarters

2019Year Founded

$728.7MTotal Funding

SERIES_ECompany Stage

Consumer Software, Consumer GoodsIndustries

501-1,000Employees

Benefits

Competitive base salary and stock options

Unlimited Vacation Policy and No Meeting Holidays

Health Insurance options including Medical, Dental, Vision, Life, Short term disability & Long term Disability

Work From Home Support

Up to $500 monthly to spend within Whatnot App

Care benefits

Risks

Increased competition from TikTok Shop may impact Whatnot's market share.

The collectibles market's volatility could affect Whatnot's sales and inventory.

Expansion into new categories may dilute Whatnot's specialized brand identity.

Differentiation

Whatnot offers a unique marketplace for 100% authenticated collectible items.

The platform integrates live shopping with entertainment, enhancing user engagement.

Whatnot's partnerships with major franchises like Marvel boost its market appeal.

Upsides

Whatnot's $265M funding round supports expansion and new product categories.

The platform's collaboration with PSA enhances trust through integrated authentication services.

Rising interest in live shopping among younger demographics drives Whatnot's growth.

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