Software Development Engineer II, Full Stack – Business

OfferUp

Software Development Engineer II developing full stack solutions for five business verticals at OfferUp. Designing, building, and deploying services using React, TypeScript, GraphQL, and Java.

Posted 7/11/2026full-timeRemote • 🇨🇴 ColombiaJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack development with a focus on React, TypeScript, and Java, while effectively managing end-to-end feature delivery and collaborating with cross-functional teams. Proficient in utilizing AI coding tools to enhance development efficiency and code quality.

Highest-signal resume keywords

Full-Stack DevelopmentReactTypeScriptJavaGraphQL

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

ReactTypeScriptJavaGraphQLREST APIsHTMLCSSMicroservicesData StructuresObject-Oriented Design

Soft Skills

CollaborationMentoringFeedbackProblem-SolvingLearning Agility

Tools & Technologies

AI Coding ToolsClaude CodeCursorCopilotModern Web Tooling

Certifications & Qualifications

BS in Computer ScienceMS in Computer Science

Industry Keywords

Software EngineeringEnd-to-End DeliveryCross-Functional TeamsA/B TestingCode Reviews

Tech Stack

Tools & technologies

GraphQLJavaJavaScriptMicroservicesNode.jsReactTypeScript

About the role

Key responsibilities & impact

Design, build, and deploy new user experiences and backend services across our five business verticals, using React, TypeScript, GraphQL, Node.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

Requirements

What you’ll need

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

Benefits

Comp & perks

Health insurance
Professional development opportunities