Junior Software Development Engineer – Frontend | OfferUp
Posted 2025-09-08
Remote, USA
Full Time
Immediate Start
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">OfferUp is looking for a frontend <strong class=" font-semibold">Junior Software Development Engineer</strong> to join the Verticals team. The verticals team, responsible for jobs, rentals, and services in OfferUp, plays a crucial role in the marketplace’s overall success. Your work directly influences user satisfaction and the platform’s ability to meet diverse user needs across different categories, making you an integral part of our success.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">At many organizations, your role begins and ends with the code. On our team, we’re different. You own a feature from concept to fruition. Your responsibilities include everything from writing well-architected and thoroughly tested code to rolling out the feature by analyzing metrics. You also take ownership beyond your technical area by working with cross-functional team members.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">This role is only available outside the US and not available to any individual based within the US or any US territory.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">Here’s more of what you will get to do:</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">You will help create and deliver new mobile and web experiences for OfferUp using front-end technologies such as NodeJS, React, and React Native</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Work collaboratively with cross-functional teams across OfferUp to design and implement new features.</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Help maintain code quality in existing applications (mobile and web).</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Create solutions and/or frameworks that make other team members better and faster</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">You’ll thrive in this role if you have:</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">3+ years of professional software engineering experience</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Proficiency in Javascript or Typescript</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience developing mobile applications in a professional setting</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Demonstrate strong coding skills in Front-end focused Software Development (React Native, ReactJS, HTML, CSS)</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience with Apollo GraphQL</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Good knowledge of Data Structures and Object Oriented Design</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience with cross-browser compatibility, client-side security, browser tuning, SEO, and optimization techniques/tools for multi-tier large-scale web architecture<br />
<!-- -->design patterns e.g. responsive design vs optimized design</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Knowledge in web optimization performance, and design patterns e.g. responsive design vs optimized design</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">An insatiable desire and ability to learn</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">You desire a fast moving, continuous flow development environment</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">BS or MS in Computer Science or equivalent experience</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Excellent communication skills, both written and spoken (fluency in English required)</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">Nice to have</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Strong sense of ownership, urgency, and drive, and a track record of delivery</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Passion for building new products in a fast paced, team-oriented environment</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience around any of the following: web package managers, Bower, bundler system, NodeJS, Python, webpack</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience with AWS Cloud infrastructure</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">SEO experience is a plus</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">About OfferUp:</strong></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">OfferUp is the largest mobile marketplace for local buyers and sellers in the U.S. We are changing the way people buy and sell in their communities by providing a uniquely simple and trusted experience on our iOS and Android apps. Our goal is to be the platform of choice for local commerce by connecting buyers and sellers through an interface that makes selling an item as easy as snapping a picture from a mobile device. OfferUp was founded in 2011 and has grown to serve local markets across the U.S. with more than 1 in 5 adults using OfferUp in 2022.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">More About OfferUp At a Glance</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Top 10 Shopping app in the App Store and Google Play Store for three years</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">15%+ of adults in several markets use OfferUp every month (LA, Miami, Phoenix, Seattle, Las Vegas, Riverside, Orlando)</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">OfferUp works directly with nearly 2000 US law enforcement agencies to build trust in local communities</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><em>OfferUp is changing the way people buy and sell locally, and we’ve built a dynamic team to do it. To learn more about what it’s like to work at OfferUp, check out our blog: <a href="https://blog.offerup.com/" target="_blank" class="break-all font-medium underline hover:opacity-75" rel="noopener noreferrer nofollow">https://blog.offerup.com</a></em></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><em>OfferUp provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, OfferUp complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.</em></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><em>OfferUp expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of OfferUp’s employees to perform their job duties may result in discipline up to and including discharge.</em></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">At many organizations, your role begins and ends with the code. On our team, we’re different. You own a feature from concept to fruition. Your responsibilities include everything from writing well-architected and thoroughly tested code to rolling out the feature by analyzing metrics. You also take ownership beyond your technical area by working with cross-functional team members.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">This role is only available outside the US and not available to any individual based within the US or any US territory.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">Here’s more of what you will get to do:</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">You will help create and deliver new mobile and web experiences for OfferUp using front-end technologies such as NodeJS, React, and React Native</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Work collaboratively with cross-functional teams across OfferUp to design and implement new features.</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Help maintain code quality in existing applications (mobile and web).</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Create solutions and/or frameworks that make other team members better and faster</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">You’ll thrive in this role if you have:</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">3+ years of professional software engineering experience</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Proficiency in Javascript or Typescript</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience developing mobile applications in a professional setting</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Demonstrate strong coding skills in Front-end focused Software Development (React Native, ReactJS, HTML, CSS)</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience with Apollo GraphQL</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Good knowledge of Data Structures and Object Oriented Design</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience with cross-browser compatibility, client-side security, browser tuning, SEO, and optimization techniques/tools for multi-tier large-scale web architecture<br />
<!-- -->design patterns e.g. responsive design vs optimized design</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Knowledge in web optimization performance, and design patterns e.g. responsive design vs optimized design</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">An insatiable desire and ability to learn</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">You desire a fast moving, continuous flow development environment</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">BS or MS in Computer Science or equivalent experience</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Excellent communication skills, both written and spoken (fluency in English required)</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">Nice to have</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Strong sense of ownership, urgency, and drive, and a track record of delivery</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Passion for building new products in a fast paced, team-oriented environment</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience around any of the following: web package managers, Bower, bundler system, NodeJS, Python, webpack</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Experience with AWS Cloud infrastructure</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">SEO experience is a plus</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">About OfferUp:</strong></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3">OfferUp is the largest mobile marketplace for local buyers and sellers in the U.S. We are changing the way people buy and sell in their communities by providing a uniquely simple and trusted experience on our iOS and Android apps. Our goal is to be the platform of choice for local commerce by connecting buyers and sellers through an interface that makes selling an item as easy as snapping a picture from a mobile device. OfferUp was founded in 2011 and has grown to serve local markets across the U.S. with more than 1 in 5 adults using OfferUp in 2022.</p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><strong class=" font-semibold">More About OfferUp At a Glance</strong></p>
<ul class=" text-base sm:text-lg marker:text-color list-inside list-disc text-gray-500 list-disc list-outside pl-3 mb-6">
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">Top 10 Shopping app in the App Store and Google Play Store for three years</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">15%+ of adults in several markets use OfferUp every month (LA, Miami, Phoenix, Seattle, Las Vegas, Riverside, Orlando)</span></li>
<li class=" leading-snug mb-2 pl-2"><span class="text-gray-200">OfferUp works directly with nearly 2000 US law enforcement agencies to build trust in local communities</span></li>
</ul>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><em>OfferUp is changing the way people buy and sell locally, and we’ve built a dynamic team to do it. To learn more about what it’s like to work at OfferUp, check out our blog: <a href="https://blog.offerup.com/" target="_blank" class="break-all font-medium underline hover:opacity-75" rel="noopener noreferrer nofollow">https://blog.offerup.com</a></em></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><em>OfferUp provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, OfferUp complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.</em></p>
<p class=" text-gray-200 text-base sm:text-lg leading-relaxed mb-3"><em>OfferUp expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of OfferUp’s employees to perform their job duties may result in discipline up to and including discharge.</em></p>