Responsibilities
Design and develop high performance web applications used by thousands of users globally
Drive continuous improvement by focusing on engineering excellence
Influence CI/CD pipeline improvements
Collaborate closely with other Software Engineers across the organization.
Mentor junior developers, review code and architecture, and promote software development best practices
Continually evaluate emerging technologies to identify opportunities, trends and best practices that can be used to strengthen CoStar’s technology platform and development practices
Develop and maintain an in-depth working knowledge of the CRE Industry and CoStar’s business model / technology
Basic Qualifications
Bachelor’s Degree required from an accredited, not for profit university or college.
A track record of commitment to prior employers
8+ years of production development experience in modern technologies, like React, Vue, TypeScript, NodeJS, C#, .Net, OpenSearch, Kafka, SQL, NoSQL
A demonstrable track record of building and launching successful products and platforms
Experience with cloud technologies like AWS, Cloud Managed Services, etc.
Experience in Agile/Scrum processes, and Continuous delivery practices
Experienced in unit, performance, and automation testing
Deeply understand what drives the business for which you are building software
Take an active role in mentoring developers with ability to build consensus
Preferred Qualifications and Skills
Experience managing a large Enterprise level code base, code quality and dependencies
Experience with C#, NodeJS, and/or React in particular
Build Agents and Workflows using modern AI patterns
Leverage Vibe coding to improve productivity and quality
Excellent written and verbal communication skills
Commercial Real Estate (CRE) knowledge is a bonus
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.
Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
Life, legal, and supplementary insurance
Virtual and in person mental health counseling services for individuals and family
Commuter and parking benefits
401(K) retirement plan with matching contributions
Employee stock purchase plan
Paid time off
Tuition reimbursement
On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
Lead Software Engineer • VA Arlington, US
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