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About ThredUp
ThredUp is transforming resale with technology and a mission to inspire the world to think secondhand first. By making it easy to buy and sell secondhand, ThredUp has become one of the world's largest online resale platforms for apparel, shoes and accessories. Sellers love ThredUp because we make it easy to clean out their closets and unlock value for themselves or for the charity of their choice while doing good for the planet. Buyers love shopping value, premium and luxury brands all in one place, at up to 90% off estimated retail price. Our proprietary operating platform is the foundation for our managed marketplace and consists of distributed processing infrastructure, proprietary software and systems and data science expertise. With ThredUp’s Resale-as-a-Service, some of the world's leading brands and retailers are leveraging our platform to deliver customizable, scalable resale experiences to their customers. ThredUp has processed over 172 million unique secondhand items from 55,000 brands across 100 categories. By extending the life cycle of clothing, ThredUp is changing the way consumers shop and ushering in a more sustainable future for the fashion industry.
Recognized on TIME’s Best Inventions 2024, TIME's Most Influential Companies of 2023, Digiday's WorkLife 50 2023, TIME's Best Inventions of 2022, and Lattice's People Success Awards 2022.
How You'll Make An Impact
At ThredUp, we have built the most powerful resale platform in the world. We have a New Ventures team of engineers working to revolutionize the clothing industry towards a more circular fashion future. Few recent examples are the Resale-as-a-service partnership program for fashion brands, marketplace partnership program for business sellers, wholesale consignment partnership program, and other business programs. We have already established sound partnerships throughout 2020-2025, and we are rapidly extending our partnerships.
Our mobile apps serve as a critical component of our seamless resale platform, connecting users to high-quality, sustainable fashion options on the go. We are seeking a skilled mobile engineer who will lead the design and development of our flagship mobile applications for both iOS and Android. You will be a key player in driving innovation—exploring ways to integrate modern technologies, including AI enhancements, to elevate user engagement and engineering productivity. You will collaborate with a diverse team of product designers, product managers, and engineers dedicated to revolutionizing the resale industry.
In This Role You'll Get To:
Architect, develop, and maintain robust mobile applications for iOS and Android platforms.
Write clean, maintainable, and efficient code while ensuring app performance, quality, and responsiveness.
Identify opportunities to integrate AI/ML features to enhance user experience.
Leverage cross-platform frameworks where appropriate to streamline development while maintaining native performance.
Set realistic timelines with effective communication to technical/business stakeholders.
Champion best practices in applying AI for increased productivity in mobile development, including code reviews, testing automation, and continuous integration.
What We're Looking For:
5+ years of production-level mobile software engineering experience.
Proven proficiency in developing native mobile applications for iOS (Swift/Objective-C) primarily and Android (Kotlin/Java) secondarily.
Strong understanding of mobile design patterns, performance optimization, and distributed systems.
Familiarity with modern mobile analytics and backend integration (REST and GraphQL) for real-time functionality.
Experience integrating AI/ML features into mobile applications or using data-driven insights to improve user engagement.
Strong experience adopting AI tools in mobile software engineering lifecycle.
Experience with continuous integration, test automation, and monitoring.
Ability to work in a cross-functional team and strong product comprehension.
(Bonus) E-commerce and marketplaces experience.
This role is not eligible for visa sponsorship.
What We Offer:
4-day work week, with Fridays off
Hybrid work environment: 3 days in the office and 1 day remote each week
Competitive salary (we leverage market data)
Many ThredUp employees also have the opportunity to own shares of ThredUp stock and are eligible for discretionary restricted stock unit awards
Employee stock purchase plan
Flexible PTO (take the time you need) + 13 company holidays
Paid Sabbatical after 3 years of full time employment
Generous paid parental leave for new mothers and fathers
Medical, dental, vision, 401k, life and disability insurance offered
We live by our Core Values of Transparency, SpeakingUP, Thinking Big, Infinite Learning, Influencing Outcomes & Seeking the Truth
We believe diversity, inclusion and belonging is key for our team
At ThredUp, our mission has been built on extending the lives of millions of unique clothing items. Much like our inventory, we are proud to have fostered a workplace that is one-of-a-kind. As a company focused on diversity, inclusion and belonging, we are committed to ensuring our employees are comfortable bringing their authentic selves to work every day. A unique perspective is critical to solving complex problems and inspiring a new generation to think secondhand first. Be you.
If you are a candidate with a disability and have a reasonable accommodation request for the job application process, please email [email protected] the specific details of your disability related accommodation request. This email address is reserved for candidates with disabilities only. General application inquiries will not receive a response.
