Software Development Engineer II (@Remote, Columbia)
OfferUpJerusalem, Jerusalem District, Israel
Posted February 20, 2026
Full Time
About the Company
OfferUp is dedicated to creating the simplest and most trusted way for people to buy, sell, and connect in their local communities.
Job Description
As a Software Development Engineer II, you will play a critical role in maintaining and evolving OfferUp's client engineering platform and app ecosystem, leading efforts to build systems that detect and prevent fraudulent behavior in our marketplace. You will ensure app stability, performance, and developer efficiency by tackling complex technical challenges, collaborating across teams, and driving innovation.
Requirements
- 3+ years professional software engineering experience
- Demonstrated ability to own the delivery of multiple features end-to-end (plan, design, develop, and deploy) with high efficiency
- Proficient in 1 or more core languages (e.g. Javascript, Typescript)
- Strong coding skills in Java(required), and any other modern programming language coupled with strong knowledge in object-oriented design and microservices architecture
- Solid understanding of database design (relational and/or NoSQL) and data modeling
- Good knowledge of Data Structures
- An insatiable desire and ability to learn
- Experience with cross browser compatibility, client side security, browser tuning, and optimization techniques/tools
- Knowledge in web optimization performance and design patterns (e.g., responsive design vs. optimized design)
- Experience with GraphQL
- BS or MS in Computer Science or equivalent experience
