
Costar Group
Provides commercial real estate data, analytics, and marketing services.
Lender - Software Engineer (C#/AWS)
Develop and maintain scalable, data‑intensive real estate analytics applications using C#/.NET and AWS.
Job Highlights
About the Role
• Design, build, test, and deploy scalable, reusable applications handling large data volumes • Own end‑to‑end development, testing, deployment, and production support • Collaborate with engineers, product owners, designers, and leadership • Provide trusted guidance on technical architecture, design, and code quality • Advocate for technical and process improvements, exploring new tools and best practices • Develop deep understanding of CoStar’s business and analytics products
Key Responsibilities
- ▸app development
- ▸deployment
- ▸collaboration
- ▸architecture
- ▸process improvement
- ▸analytics
What You Bring
We are seeking an experienced Software Engineer to join the Analytics team in San Diego, working on‑site Monday through Thursday with the option to work from home on Fridays. The role will drive full‑lifecycle development of a data‑intensive analytics product, from design through production support. The engineer will collaborate closely with engineers, product owners, designers, and leadership to deliver high‑quality solutions. • Bachelor’s degree from an accredited, in‑person college or university • 4+ years of professional software development experience • Strong object‑oriented programming skills • Proficiency with C#, .NET Framework, Web API, and Node • Experience with modern front‑end technologies such as JavaScript and React • Expertise in relational databases, especially SQL Server • Knowledge of software development best practices, including code reviews, source control, CI/CD, testing, and operations • Experience with Git or TFS for source control • Experience with cloud platforms such as AWS or Azure • Strong analytical and problem‑solving abilities • Familiarity with NoSQL databases (Redis, Neo4j, etc.) is a plus
Requirements
- ▸bachelor's
- ▸4+ years
- ▸c#
- ▸react
- ▸sql server
- ▸git
Benefits
CoStar offers a competitive salary ranging from $103,000 to $154,000, performance‑based incentives, and a comprehensive benefits program that supports health, financial security, and professional growth. • Comprehensive medical, vision, dental, and prescription coverage • Life, legal, and supplemental insurance • Virtual and in‑person mental‑health counseling services • 401(k) plan with employer matching and employee stock purchase plan • Paid time off, tuition reimbursement, and commuter/parking benefits • On‑site or reimbursed fitness center access, yoga studio, Peloton, personal training, and group classes • Access to Diversity, Equity & Inclusion employee resource groups • Complimentary gourmet coffee, tea, fresh fruit, and healthy snacks
Work Environment
Office Full-Time