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Lender - Lead Software Engineer (C#/AWS)
full-timeSan Diego$166k - $222k

Summary

Location

San Diego

Salary

$166k - $222k

Type

full-time

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About this role

Lender - Lead Software Engineer (C#/AWS)

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Job Description

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OVERVIEW

CoStar delivers real-time, verified commercial real estate data that helps clients confidently spot great opportunities and make smart choices ahead of competitors. By combining the power of CoStar’s independent research organization – the industry’s largest – with global data delivery, software, and application solutions, clients can act on opportunities with confidence.

The Analytics team is responsible for the development of CoStar's customer-facing Real Estate Analytics products. We think big, creating innovative data-intensive applications that take the vast amount of data collected by our CoStar Research teams to create a fast, reliable and intuitive analytics platform for our customers. We are a collaborative group with a mix of big data, API/platform and front-end skills, and we are growing rapidly to help invent the future of Real Estate Analytics.

We are searching for an experienced Lead Software Developer to join our team and drive the full-lifecycle development of this critical product.

This position is located in San Diego (UTC Area) and is in office Monday through Thursday with work from home on Friday.

RESPONSIBILITIES

  • Designing, building, testing and deploying scalable, reusable and maintainable applications that handle large amounts of data.
  • Taking full ownership of your work, from development and testing, to eventual deployment and support in production.
  • Collaborating with other engineers, product owners, designers, and leadership.
  • Becoming a trusted team member in matters of technical architecture, design and code.
  • Advocating for evolution and improvement - both technical and non-technical - within our teams. Explore new technologies, tools and best practices.
  • Gaining a deep understanding of the CoStar business, including the Analytic products.

BASIC QUALIFICATIONS

  • Bachelor’s Degree required from an accredited, not-for-profit, in-person college/university

  • A track record of commitment to prior employers 
  • 10+ years of professional software development experience.
  • Solid understanding and experience with Object Oriented Programming
  • Deep knowledge of modern server-side languages and application frameworks (C#, .NET Framework, .NetCore, Web API, Node)
  • Expertise with relational database systems such as SQL Server
  • Expertise with software development best practices, including standards, code reviews, source control, builds, testing and operations.
  • Expertise with Source Control, such as Git or TFS.

PREFERRED QUALIFICATIONS AND SKILLS

  • Expertise with Cloud platforms such as AWS or Azure
  • Strong analytical and problem-solving abilities.
  • Experience with NoSQL (Redis, Neo4j, etc.) is a plus
  • Knowledge of modern front end (JavaScript, React, etc.) languages and application frameworks is a plus

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, tuition reimbursement, and an inter-office exchange program.

Our benefits package includes (but is not limited to):

  • 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

This position offers a base salary range of $166,00 - 222,000, based on relevant skills and experience and includes a generous benefits plan.

#LI-VP1

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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Other facts

Tech stack
C#,AWS,Software Development,Object Oriented Programming,SQL Server,Git,NoSQL,JavaScript,React,API,Cloud Platforms,Data Analytics,Problem Solving,Testing,Deployment,Technical Architecture

About CoStar

CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.

CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom.

CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.

Team size: 5,001-10,000 employees
LinkedIn: Visit
Industry: Real Estate

What you'll do

  • The Lead Software Developer will design, build, test, and deploy scalable applications that handle large amounts of data. They will take full ownership of their work and collaborate with other team members to improve technical architecture and product offerings.

Ready to join CoStar?

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Frequently Asked Questions

What does CoStar pay for a Lender - Lead Software Engineer (C#/AWS)?

CoStar offers a competitive compensation package for the Lender - Lead Software Engineer (C#/AWS) role. The salary range is USD 166k - 222k per year. Apply through Clera to learn more about the full compensation details.

What does a Lender - Lead Software Engineer (C#/AWS) do at CoStar?

As a Lender - Lead Software Engineer (C#/AWS) at CoStar, you will: the Lead Software Developer will design, build, test, and deploy scalable applications that handle large amounts of data. They will take full ownership of their work and collaborate with other team members to improve technical architecture and product offerings..

Why join CoStar as a Lender - Lead Software Engineer (C#/AWS)?

CoStar is a leading Real Estate company. The Lender - Lead Software Engineer (C#/AWS) role offers competitive compensation.

Is the Lender - Lead Software Engineer (C#/AWS) position at CoStar remote?

The Lender - Lead Software Engineer (C#/AWS) position at CoStar is based in San Diego, California, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Lender - Lead Software Engineer (C#/AWS) position at CoStar?

You can apply for the Lender - Lead Software Engineer (C#/AWS) position at CoStar directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about CoStar on their website.