Senior Full Stack Engineer, Trust & Safety
Calendly- Full Time
- Senior (5 to 8 years)
OfferUp
Candidates should possess 3+ years of professional software engineering experience, with at least 1 year dedicated to web services, and a Bachelor’s or Master’s degree in Computer Science or a related field. Strong coding skills in Java, Python, Scala, Golang, or similar languages, coupled with knowledge of object-oriented design and microservices architecture are required. Fluency in English is also necessary.
As a Junior Software Development Engineer - Backend, the individual will collaborate with cross-functional teams to design and implement new features, analyze attacker techniques and proactively stop fraud, drive engineering and operational excellence, develop highly scalable classifiers and tools leveraging machine learning, identify when to replace or rebuild legacy systems, participate in on-call rotations, and mentor other engineers. They will also work with risk analysts, data science, and operations to build and improve systems.
Mobile marketplace for local buying and selling
OfferUp operates a mobile marketplace that connects local buyers and sellers, allowing them to trade a variety of items such as furniture, electronics, and cars. The platform is user-friendly, enabling users to browse listings, check seller profiles, view ratings and transaction histories, and communicate securely to negotiate prices and arrange meetups. Unlike traditional marketplaces, OfferUp focuses on peer-to-peer transactions, eliminating intermediaries and fostering direct interactions between individuals. The company generates revenue through advertising, premium listings, and transaction fees, providing sellers with options to enhance their visibility. OfferUp's goal is to create a marketplace that adds value, connects people, and empowers communities, while promoting a strong sense of neighborly culture among its users.