Fullstack Engineer

Summary

Join Whatnot, the leading livestream shopping platform, and become a Fullstack Engineer on our growing Ads team! Based in Kraków, Poland, you'll build highly scalable ad systems, focusing on web-based aspects and dashboards. You'll need 5+ years of experience, expertise in React and GraphQL, and a strong understanding of user-facing frontend and UX. Success requires excellent product instincts, end-to-end delivery capabilities, and a proactive ownership mindset. We prioritize high-impact features and fast shipping, offering a collaborative and innovative environment.

Requirements

• Have 5+ years of experience, particularly an expert in frontend web development with React, using GraphQL for API development, and modern frontend applications
• Have a Bachelor’s degree in Computer Science, a related field, or equivalent work experience
• Have a strong understanding of user-facing frontend and UX
• Are open to doing backend work when required
• Have excellent product instincts. You first think about users rather than the best technical solution
• Have a proven track record of delivering features end-to-end and can ship products and features lightning-fast without sacrificing quality
• Are a project owner - you have strong ownership instincts and can own projects from inception to production and beyond
• Have the ability to pick up on new technologies very quickly

Responsibilities

• Build highly scalable Ads system that handles all aspects of running an online advertising system and helps sellers differentiate themselves on Whatnot
• Focus on the web-based aspects of ad flows and the ad dashboard, with occasional backend work
• Maintain web apps, develop new features and potentially work around infrastructure
• Understand our buyer and seller experiences and become an expert in helping them effectively scale their business through ads & monetization products

Preferred Qualifications

• Exposure to Next.js framework is not required but preferred
• Have experience with complex web based tooling like dashboards
• Have startup experience at a high-growth company
• Have experience with ads systems, infrastructure, experiences, and international commerce