Arlington, Virginia, United States · Hybrid
$108k–$154k/yr
Software Engineer (C#/.NET) <br> Job Description <br> Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included …
Skills: C#, .NET Framework, SQL Server, AWS, Web API
Arlington, Virginia, United States · On-site
OVERVIEW iTech AG is seeking a ServiceNow Architect – Field Service Management (FSM) / CMMS to lead the solution architecture for the Intelas Next Generation Computerized Maintenance Management System (CMMS) program — a …
Skills: ServiceNow FSM, Solution Architecture, Enterprise Asset Management, Customer Service Management, IntegrationHub
Arlington, Virginia, United States · On-site
OVERVIEW iTech AG is seeking a Information Security Engineer to support a federal contract. As an Information Security Engineer you will be responsible for supporting an Agile team to develop and operate a PaaS system on…
Skills: Information Security Engineering, Risk Management Framework, FedRAMP, NIST SP 800-53, ServiceNow Security Center
Arlington, Virginia, United States · On-site
$185k–$225k/yr
Umbra is an American space technology company delivering advanced systems, from sensors to spacecraft, that empower customers worldwide with unmatched access to critical information from space. Our mission is simple and …
Skills: Systems Engineering, Personnel Management, Space Mission Design, Technical Leadership, Project Management
Arlington, Virginia, United States · Hybrid
$117k–$243k/yr
At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the li…
Skills: Palantir Foundry, Python, TypeScript, Data Pipeline Construction, Data Synthesis
Arlington, Virginia, United States · Remote OK
$169k–$265k/yr
This Opportunity WSP is currently initiating a search for a Senior Vice President, Alternative Delivery Project Director – Federal Programs to join our Federal Alternative Delivery Team. This senior leadership role will …
Skills: Executive Leadership, Design-Build Delivery, Federal Program Management, Capture Strategy, Risk Management
Arlington, Virginia, United States · On-site
$135k–$155k/yr
Your Career The Principal IT Engineer - Corporate IT is accountable for the strategy, reliability, security, compliance readiness, and operational performance of Federated Wireless' corporate IT environment. This role ow…
Skills: Corporate IT Infrastructure, Network Management, Endpoint Management, Identity And Access Management, SaaS Administration
Arlington, Virginia, United States · Remote OK
$64k–$124k/yr
The Customer Applications Developer will independently manage a range of technical tasks, including implementing enhancements, performing upgrades, and delivering maintenance fixes to meet project requirements. The ideal…
Skills: Python, React, AI, Terraform, DevOps
Arlington, Virginia, United States · Remote OK
$64k–$124k/yr
At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the li…
Skills: Python, React, AI, Terraform, DevOps
Arlington, Virginia, United States · Hybrid
$134k–$184k/yr
About the Team: STR’s Analytics & C2 Division develops novel technologies to solve challenging national security problems through advanced analytics. Our team consists of passionate and motivated individuals with degrees…
Skills: C++, Java, Data Structures, Algorithms, Concurrency
Arlington, Virginia, United States · On-site
$90k–$120k/yr
At MBC, we believe we can. We believe in working hard to meet our clients’ outcomes. We believe in laughter to help us recharge, draw people together, foster a positive work environment, and boost creativity. We be…
Skills: Database Administration, Data Analytics, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
Arlington, Virginia, United States · On-site
$90k–$120k/yr
At MBC, we believe we can. We believe in working hard to meet our clients’ outcomes. We believe in laughter to help us recharge, draw people together, foster a positive work environment, and boost creativity. We be…
Skills: Data Analytics, Data Mining, Data Modeling, Natural Language Processing, Machine Learning
Arlington, Virginia, United States · On-site
$70k–$110k/yr
At MBC, we believe we can. We believe in working hard to meet our clients’ outcomes. We believe in laughter to help us recharge, draw people together, foster a positive work environment, and boost creativity. We be…
Skills: Database Management, Data Analytics, Security Implementation, Microsoft Word, Microsoft Excel
Arlington, Virginia, United States · On-site
$70k–$110k/yr
At MBC, we believe we can. We believe in working hard to meet our clients’ outcomes. We believe in laughter to help us recharge, draw people together, foster a positive work environment, and boost creativity. We be…
Skills: Data Analytics, Data Mining, Data Modeling, Natural Language Processing, Machine Learning
Arlington, Virginia, United States · On-site
$74k–$97k/yr
JOB SUMMARY Manages all engineering/maintenance operations, including maintaining the building, grounds and physical plant with particular attention towards safety, security and asset protection. Accountable for managing…
Skills: HVAC-R, Electrical Systems, Plumbing, Budget Management, Preventative Maintenance
Arlington, Virginia, United States · On-site
AI/ML Engineer Location: Arlington, VA Must have an active Top Secret Clearance Node is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical a…
Skills: Python, AWS, Amazon Bedrock, AI/LLM Integration, Machine Learning Pipelines
Arlington, Virginia, United States · On-site
AWS Data Automation Engineer Location: Arlington, VA Must have an active Top Secret Security Clearance Node is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government …
Skills: AWS, Python, Data Pipeline Development, ETL Processes, Automation Engineering
Arlington, Virginia, United States · On-site
Technical Engagement Network (TEN) Lab Manager Location: Arlington, VA Must have an active Secret Clearance Node is supporting a U.S. Government customer to provide support for onsite incident response to civilian Govern…
Skills: IT Helpdesk Support, MacOS, iOS, Asset Management, Systems Administration
Arlington, Virginia, United States · On-site
$50k–$70k/yr
At MBC, we believe we can. We believe in working hard to meet our clients’ outcomes. We believe in laughter to help us recharge, draw people together, foster a positive work environment, and boost creativity. We be…
Skills: Data Analytics, Data Mining, Data Modeling, Natural Language Processing, Machine Learning
Arlington, Virginia, United States · On-site
$50k–$70k/yr
At MBC, we believe we can. We believe in working hard to meet our clients’ outcomes. We believe in laughter to help us recharge, draw people together, foster a positive work environment, and boost creativity. We be…
Skills: Data Analytics, Database Management, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Develop large-scale, distributed API-driven systems and integrate AI-powered solutions to enhance platform intelligence and customer experience. Lead software design and implement telemetry-driven monitoring to improve system reliability and operational efficiency.
Requires a Bachelor's degree and 3+ years of deep .NET/C# development experience with cloud platforms like AWS or Azure. Candidates should be familiar with LLMs, data modeling, and architecting service-oriented systems in an agile environment.
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Job Description
<br>
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.
As a Software Engineer on the Platform Development team, you will play a key role in expanding the data platform that supports all of CoStar Group’s largest brands including CoStar Suite, LoopNet, Homes.com and Apartments.com. You will deeply understand what drives the business for which you are building software. We firmly believe that what separates a good developer from a great one is a deep understanding of the business that they are supporting.
CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. Successful candidates will demonstrate a willingness to learn, adopt, and apply AI technologies responsibly to solve complex business and engineering challenges.
This position is located in Arlington, VA and is in office Monday through Thursday with work from home on Friday.
Responsibilities
Basic Qualifications
Preferred Qualifications and Skills
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 limited to):
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: $108,000 - $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-AR
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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
Based on 803 listings with disclosed salaries, most engineering jobs in Arlington, VA pay between $83k–$206k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 1,114 open engineering positions in Arlington, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Amazon, Booz Allen Hamilton, CoStar Group, TekSynap, AECOM, among others. Browse the listings above to see every active employer.
Yes — 364 of the 1114 open engineering positions offer remote or hybrid work (97 remote, 267 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
