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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Associate Software Engineer - Arlington, VA - **Company:** CoStar Group - **Location:** Arlington, VA, United States (Remote available) - **Salary:** $100,000.0 - $105,000.0 - **Contract:** Internship / Graduate position - **Skills:** Clean Code Principles, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Automation of Tests, Cloud Computing, Code Review, Databases, Programming Tools, PostgreSQL, Machine Learning, NoSQL, Software Engineering, SQL Databases, TypeScript, Web Applications, Web Services, GitHub Copilot, ReactJS, Backend, Vue.js, AngularJS, Information Technology, Apache Kafka, Databricks, Programming Languages - **Published:** September 16, 2026 - **Apply:** https://www.careerjet.com/job/usf0b1223d1f66fa8fdd19612bcac742ab/eaa ## About the Role located in Arlington, VA and offers a schedule of Monday to Thursday in office and the option to work from home on Friday. What You'll do: At CoStar Group, our engineering teams build innovative, scalable solutions while following industry best practices for software development. You'll collaborate with experienced engineers to write clean, maintainable code, develop automated tests, participate in code reviews, and contribute to cross-functional design and planning discussions. Working alongside talented teammates, you'll gain hands-on experience with modern technologies including but not limited to leading JavaScript programming language and frameworks such as React, Vue, and Angular, Typescript, backend development language .NET, .NETCore, SQL, NoSQL, Postgres, AWS, Kafka, Databricks, and emerging AI-powered development tools like GitHub Copilot and Claude Code. We're looking for curious, adaptable students who are eager to learn, embrace new technologies, and apply strong software engineering fundamentals to solve meaningful business challenges. This role provides the building blocks for a strong and rewarding technical career, offering mentorship, real-world experience, and continuous opportunities for professional growth. Basic Qualifications: * Currently pursuing a bachelor's degree from an accredited, not-for-profit university or college in Computer Science, Software Engineering, or a comparable major. * Must have an expected graduation date of December 2026 - June 2027. * Minimum 3.0 cumulative GPA. * At least 2 months of previous relevant internship or co-op experience. * Experience applying software engineering fundamentals through coursework, projects, internships, or work experience. * Ability to discuss prior internship, project, or academic work, including the problem solved, technical approach, collaboration, and outcomes. Preferred Qualifications and Experiences: * Experience writing understandable, maintainable, and well-documented code. * Interest in learning new technologies and building high-quality software. * Demonstrated initiative and collaboration through academic, internship, extracurricular, or team-based experiences. * Familiarity with Agile development practices, the Software Development Lifecycle, APIs, web services, or application design concepts. * Exposure to programming languages, databases, cloud concepts, AI/machine learning, frameworks, or other technical tools through coursework, projects, internships, or personal learning. What's in it for you? When you join CoStar Group, you'll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training and tuition reimbursement. Our benefits package includes (but is not ## Description with the best resources available, we provide an invaluable edge in real estate. Learn more about CoStar. Role Description: We're looking for an Associate Software Engineer with a passion for designing and building modern web applications. This role develops tools that power CoStar Group's proprietary platform, supporting sales and research teams across our portfolio of brands \- including Homes.com, CoStar.com, Apartments.com, and LoopNet.com. At CoStar Group, we invest in early-career talent by providing hands-on learning opportunities, meaningful responsibilities, and clear pathways for professional growth. You'll be empowered to contribute ideas, solve complex challenges, and develop both the technical and collaborative skills needed to thrive in a fast-paced, innovative environment. CoStar Group offers competitive compensation, comprehensive benefits, performance-based career advancement, and the opportunity to help shape products that serve millions of users. This position is ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Boost your coding productivity with Github Copilot Agent](https://www.wearedevelopers.com/videos/1542-boost-your-coding-productivity-with-github-copilot-agent) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [How Much Does a Software Engineer Make? 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