Software Engineering Intern — Build Real Code, Ship Fast (Hybrid)

Offerup; Bellevue (WA); Hybrid; USD 66,124 - 77,145; Full time

Job summary

OfferUp in Bellevue, WA, seeks a Software Engineering Intern for Summer 2026. This hybrid role involves real engineering work, where you'll design, build, and ship features used by millions.

You will work closely with engineers and product managers, owning projects that impact production systems and leveraging AI tools to enhance your workflow. We're looking for students with a strong grasp of data structures and algorithms, motivated to deliver working software quickly.

Qualifications

• Strong understanding of data structures and software design.
• Ability to explain technical decisions clearly.
• Motivated to ship working software and iterate quickly.
• Comfortable with ambiguity and fast-paced environments.

Responsibilities

• Design, build, and ship features that run in production.
• Take a defined piece of work from design through delivery.
• Develop and improve services, APIs, and experiences.
• Collaborate closely with engineers, product managers, and designers.
• Write tests and participate in code reviews.

Skills

Data structures and algorithms

Software design basics

Strong communication

Initiative-taking

Adaptability to fast pace

Education

Currently enrolled in undergraduate or graduate program

Tools

Java or similar programming language

AI coding assistants

Job description

OfferUp in Bellevue, WA, seeks a Software Engineering Intern for Summer 2026. This hybrid role involves real engineering work, where you'll design, build, and ship features used by millions.

You will work closely with engineers and product managers, owning projects that impact production systems and leveraging AI tools to enhance your workflow. We're looking for students with a strong grasp of data structures and algorithms, motivated to deliver working software quickly.