Arlington, Virginia, United States · Hybrid
$103k–$154k/yr
Software Engineer I- CoStar Suite- Arlington, VA <br> Job Description <br> Software Engineer I- CoStar Suite Arlington, VA Company Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and resid…
Skills: React, Vue, TypeScript, NodeJS, C#
Arlington, Virginia, United States · Hybrid
$124k–$187k/yr
Senior Software Engineer- CoStar Suite- Arlington, VA <br> Job Description <br> Senior Software Engineer- CoStar Suite Arlington, VA Company Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial…
Skills: React, Node.js, TypeScript, C#, .Net
Stafford County, Virginia, United States · Remote OK
The following states/districts are excluded from this job ad: AK, AZ, CA, CO, CT, DC, FL, GA, HI, ID, IL, IN, KY, LA, ME, MD, MA, MI, MN, MS, MO, NE, NV, NH, NJ, NM, NY, ND, OR, PR, RI, SD, VT, VA, WA, WY Location: Remot…
Skills: Verbal Communication, Written Communication, Microsoft Office, Artificial Intelligence Tools, Research
Loudoun County, Virginia, United States · On-site
$28/hr–$35/hr
Now Hiring: Experienced Low Voltage Electrician / Technician (Structured Cabling + Controls) Sterling, VA, Maryland, Greater DC area | Full-Time If you take pride in clean conduit, organized cable work, and doing the job…
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Chantilly, Virginia, United States · On-site
$78k–$176k/yr
Spark Data Engineer, Senior The Opportunity: Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there’s more structured and unstructured data available today than ever before. As…
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Ashburn, Virginia, United States · Hybrid
$73k–$99k/yr
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Fairfax County, Virginia, United States · On-site
Who We Are: At SES Space & Defense, we are a trusted partner ensuring mission success for customers operating in the most demanding environments. As part of SES S.A., a global leader in satellite-enabled connectivity, we…
Skills: Product Management, Satellite Communications, Portfolio Strategy, Market Analysis, Vendor Management
Fairfax County, Virginia, United States · On-site
Who We Are: At SES Space & Defense, we are a trusted partner ensuring mission success for customers operating in the most demanding environments. As part of SES S.A., a global leader in satellite-enabled connectivity, we…
Skills: Product Management, Satellite Communications, Product Roadmap Development, Business Case Analysis, Market Discovery
Newport News, Virginia, United States · On-site
Req ID: 48409 Team: O55 SCM CMPL/OPS/CMCL PRC Entity: Newport News Shipbuilding US Citizenship Required for this Position: Yes Full-Time Shift: 1st Relocation: No relocation assistance available Virtual/Telework Opportun…
Skills: Database Administration, Performance Tuning, Backup Recovery, Security Controls, Stored Procedures
Hampton, Virginia, United States · On-site
$17/hr–$20/hr
Our client is seeking an IT Support Technician / Junior Systems Administrator to provide technical support, maintain IT infrastructure, and ensure seamless technology operations for end users. This role combines hands-on…
Skills: Active Directory, Windows Server, Microsoft 365, Desktop Support, Help Desk Support
Arlington, Virginia, United States · On-site
$117k–$160k/yr
AWS Water Infrastructure Engineer – US East About AWS Infrastructure AWS Infrastructure owns the design, planning, delivery, and operation of all AWS global infrastructure. We manage the data centers, servers, storage, n…
Skills: Water Infrastructure Design, Wastewater Treatment, Commissioning, Project Management, Utility Contract Negotiation
Manassas, Virginia, United States · On-site
$32/hr–$57/hr
AWS Infrastructure Services (AIS) owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all …
Skills: Electrical Troubleshooting, Mechanical Repair, Generator Maintenance, Field Service, Customer Support
Fairfax County, Virginia, United States · On-site
$60k–$70k/yr
Job DetailsJob Location: Headquarters - Fairfax, VA 22033Position Type: Full TimeSalary Range: $60,000.00 - $70,000.00 Salary/yearTravel Percentage: Over 50%Who are We? M3 Technology Consultants is headquartered in Fairf…
Skills: IT Support, Network Infrastructure, Microsoft 365, Google Workspace, Windows OS
Arlington County, Virginia, United States · Hybrid
$120k–$144k/yr
JLGOV is seeking one Lead ISSO and two Senior ISSOs to support a federal cybersecurity program in Washington, DC. Work Arrangement Hybrid position. Candidates must live within approximately 75 miles of Washington, DC and…
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Fort Belvoir, Virginia, United States · On-site
$85k–$130k/yr
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Fort Belvoir, Virginia, United States · On-site
$78k–$110k/yr
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Richmond, Virginia, United States · On-site
$179k–$205k/yr
Lead Software Engineer, Full Stack (Python/GO/Java, Typescript, AI/LLM) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusiv…
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Fort Belvoir, Virginia, United States · On-site
$105k–$185k/yr
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Herndon, Virginia, United States · Hybrid
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Philadelphia, Pennsylvania, United States · Hybrid
We are looking for a Senior DevOps Engineer to join our PISA DevOps team in Alexandria, VA. This is an amazing opportunity to work on several growing products in the Clarivate Intellectual Property Group. We would love t…
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Arlington, Virginia, United States • Hybrid
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Design and develop high-performance web applications for the CoStar Suite while driving engineering excellence and CI/CD improvements. Collaborate with other engineers to mentor junior developers and evaluate emerging technologies to strengthen the platform.
Requires a Bachelor's degree and 2+ years of production development experience with modern technologies like React, Nodejs, or .Net. Candidates must have experience with cloud technologies, Agile processes, and a track record of launching successful products.
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Job Description
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Software Engineer I- CoStar Suite
Arlington, VA
Company Overview
CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.
We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
About CoStar Suite
CoStar Suite is the global leader in commercial real estate information, analytics, and news. Commercial Real Estate industry professionals around the globe use CoStar Suite to access the most comprehensive data to make decisions with confidence. CoStar Suite delivers immediate, verified commercial real estate information on over 5.9 million properties across every market.
Learn more about CoStar.
About the Role
As CoStar’s next Software Engineer, you will have a direct impact on highly visible CoStar Suite web applications that touch millions of users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve CoStar’s software products.
This position is located in Arlington, VA and is onsite Monday – Thursday, with the option to work from home on Friday.
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, in-person university or college.
A track record of commitment to prior employers
2+ 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
Experience leveraging AI to improve productivity
Deeply understand what drives the business for which you are building software
Preferred Qualifications and Skills
Experience managing a large Enterprise level code base, code quality and dependencies
Experience with React and/or Nodejs in particular
Experience implementing AI powered product features
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.
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 Employee Resource Groups
Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.
Base Compensation: $103,000 - $154,000 Annually
We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.
#LI-MC5
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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
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.
Offices: 1201 Wilson Blvd, Arlington, Virginia 22209, US · 181 Bay St, Suite 3420, Toronto, Ontario M5J, CA · 81, Rue Taitbout, Paris, Île-de-France 75009, FR · Calle de Serrano, 47, 13th Floor, Madrid, 28001, ES · 32 London Bridge, 26th Floor, The Shard, London, England SE1 9SG, GB
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