•The OfferUp Business team owns the platforms that power every business vertical on our marketplace
•Storefronts, Auto Dealers, Services, Rentals, and Jobs. Our customers aren't casually browsing
•they're running businesses on top of what we build, so every feature we ship has a direct, measurable impact on their livelihood and on OfferUp's revenue.
We operate the full stack end-to-end
•including microservices that handle some of the highest RPS and TPS in the company, and integrations with partners like Stripe and Shopify. We move fast, instrument everything, and treat experimentation as a first-class part of the workflow. We've barely scratched the surface of what these verticals can become, and the roadmap is wide open for someone who wants to help shape it. 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 will include everything from writing well architected and thoroughly tested code, to rolling out the feature by analyzing metrics. You also get to take ownership beyond your technical area by working with cross-functional team members. As a Full Stack Software Engineer II on the Business team, you'll be a proven contributor who ships features end-to-end across the stack. From the React components our business customers interact with, to the Java services and data pipelines behind them. You'll take real ownership of the work you deliver, raise the quality of the code around you, and grow into a high-performing, reliable contributor on the team.
Here’s more of what you will get to do
•Design, build, and deploy new user experiences and backend services across our five business verticals, using React, TypeScript, GraphQL, Node.
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js, and Java Own features end-to-end: plan, design, develop, deploy, measure, and iterate Break down complex engineering problems into achievable tasks and deliver them within committed timeframes Work collaboratively with cross-functional teams (Product, Design, Data, Business stakeholders) to design and implement new features Contribute to A/B tests and use experimentation results to decide what ships Actively participate in code reviews and enforce good patterns, testing, and edge-case handling Coach and mentor junior team members, new hires, and interns Create shared components, utilities, and services that improve team velocity across the stack Maintain and improve the runbooks, alerting, and monitoring for the features you ship Participate in a reasonable on-call rotation with the rest of the team Use AI coding tools (Claude Code, Cursor, Copilot, and similar) to increase your daily development velocity and code quality Become a subject matter expert in one or more of the team's sub-domains You’ll thrive in this role if you have: 2+ years of professional software engineering experience Demonstrated ability to own the delivery of multiple features end-to-end (plan, design, develop, and deploy) with high efficiency, including breaking down engineering problems into achievable tasks Strong coding skills across the full stack
•React, TypeScript, HTML, CSS, and modern web tooling
good grasp of responsive design, performance, and cross-browser compatibility Java and a working understanding of microservices and distributed-systems fundamentals Experience building and integrating with REST or GraphQL APIs Good knowledge of data structures and object-oriented design Hands-on experience using AI coding tools (Claude Code, Cursor, Copilot, or similar) in a real engineering workflow, and a point of view on when they help and when they don't Follows good coding patterns, writes appropriate tests, considers trade-offs, and actively seeks out edge cases Comfortable giving and receiving feedback in code reviews A bias toward shipping, learning from production, and iterating quickly An insatiable desire and ability to learn BS or MS in Computer Science, or equivalent practical experience Helpful, but not required: Fluency in any other modern OOO programming language Experience with Agile development Experience with AWS Cloud infrastructure Experience around any of the following
•web package managers, Bower, bundler system, NodeJS, Python, webpack Experience with A/B testing platforms (Statsig, LaunchDarkly, Optimizely) and analytics warehouses (BigQuery, Snowflake) Experience consuming or integrating LLM-based APIs (e.g.
, Bedrock, Vertex AI, OpenAI) Familiarity with AWS cloud infrastructure and CI/CD pipelines About OfferUp
•OfferUp is dedicated to creating the simplest and most trusted way for people to buy, sell, and connect in their local communities. One of the top local marketplace apps for local buyers and sellers in the U.S., OfferUp makes it easy for people to discover more of what they need—from great deals and secondhand goods to jobs, services, home rentals, and more—right in their own communities. Our trusted platform empowers millions to connect, thrive, and move life forward. Available on iOS and Android, OfferUp has consistently ranked among the top shopping apps. Founded in 2011 and based in Bellevue, WA, OfferUp serves local markets nationwide and was used by more than 1 in 6 adults in the U.S. in 2024. OfferUp is backed by leading investors, including Andreessen Horowitz, Warburg Pincus, GGV Capital, T. Rowe Price, and Coatue Management.
https
•//about.offerup.com More About OfferUp At a Glance Top 10 Shopping app in the App Store and Google Play Store for three years 15%+ of adults in several major markets use OfferUp every month (LA, Miami, Phoenix, Seattle, Las Vegas, Riverside, Orlando) OfferUp works directly with nearly 2000 US law enforcement agencies to build trust in local communities OfferUp is unleashing the power of local, and we’ve built a dynamic team to do it.
To learn more about working at OfferUp, check out https
•//about.offerup.com/people 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. 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.