{"id":2722275,"url":"https://alion.io/job/costar-group-software-engineer-ii-data-management","title":"Software Engineer II - Data Management","company":{"id":15350,"name":"CoStar Group","domain":"costar.com","url":"https://alion.io/company/costar","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":true,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":75,"open_postings":6,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Richmond, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":108000,"max":140000,"currency":"USD","period":"year","gross":null,"usd_annual":140000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":".NET","optional":false},{"name":"Anomaly Detection","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"JavaScript","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"AI Agents","optional":true},{"name":"Amazon S3","optional":true},{"name":"Amazon SageMaker","optional":true},{"name":"AWS Bedrock","optional":true},{"name":"AWS Lambda","optional":true},{"name":"Azure","optional":true},{"name":"DynamoDB","optional":true},{"name":"LLM","optional":true},{"name":"Machine Learning","optional":true}],"status":"live","first_seen_at":"2026-08-28T00:00:00Z","employer_posted_date":"2026-08-28","last_verified_at":"2026-10-16T23:37:53Z","board_verified":true,"closed_at":null,"days_open":50,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":50},"description":"Software Engineer II - Data ManagementJob Description\nOverview\nCoStar 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 business and lives.\nWe 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.\nAs a Software Engineer on CoStar Group’s Data Management team, you will play a critical role in expanding and enhancing the data platform that powers the company’s flagship brands, including CoStar Suite, LoopNet, and Homes.com. Success in this role requires developing a deep understanding of the business and the data that drives it, enabling you to build scalable solutions that deliver exceptional data quality. You will own the ingestion of new data into the platform, ensuring it is accurate, reliable, and seamlessly integrated, while also improving and correcting existing data through robust, system-driven approaches rather than one-off fixes. Working across the full data lifecycle, you will diagnose issues end-to-end, tracing user-reported problems through complex pipelines to identify root causes and implement lasting solutions that strengthen the integrity and value of CoStar’s data products.\nCoStar 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.\nThis position is located in Richmond, VA and the work schedule will be 4 days onsite with 1 day remote.\nResponsibilities\nDesign, build, and maintain large-scale, distributed, API-driven systems that support tens of thousands of users across CoStar Group brands.\nDevelop and integrate AI-powered solutions, agents, and intelligent workflows that enhance customer experiences, platform intelligence, and business operations.\nLeverage AI and telemetry to improve monitoring, observability, diagnostics, anomaly detection, and system reliability while reducing operational risk.\nBuild intelligent automation capabilities that streamline research, improve information discovery, and increase efficiency across teams.\nPartner with Product, Research, and Data teams to identify and deliver high-impact AI-driven opportunities that improve decision-making and create business value.\nWrite robust, scalable, and maintainable code using technologies such as C#, .NET, SQL Server, AWS, and React, while contributing to software design standards, code reviews, and the adoption of emerging technologies.\nBuild intelligent automation solutions that streamline research workflows, improve information discovery, and increase operational efficiency across business functions.\nContinually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strength CoStar’s technology platform and develop practices.\nBasic Qualifications\nBachelor's degree from an accredited, not-for-profit, in-person university or college.\n4+ years of full-stack software development experience using C#, .NET, React, JavaScript, and relational databases (SQL Server and/or PostgreSQL).\nExperience designing and building large-scale distributed, service-oriented applications.\nExperience with database design, SQL development, performance tuning, and data modeling.\nFamiliarity with AI development tools, LLMs, prompt engineering, or agent-based architectures.\nExperience with monitoring, telemetry, observability, and automated diagnostics platforms.\nUnderstanding of data quality principles, data governance, and data-centric application design.\nPreferred Qualifications\nExperience with AWS and/or Azure cloud services, including DynamoDB, S3, Lambda, or similar technologies.\nExperience implementing AI agents, intelligent search solutions, workflow automation platforms, or other generative AI-powered applications.\nExperience deploying LLM or machine learning solutions into production using platforms such as Azure AI Foundry, AWS Bedrock, Azure ML, or SageMaker.\nStrong expertise with database design, SQL development, performance tuning, and data modeling.\nStrong communication skills and ability to collaborate effectively with technical and business stakeholders.\nDemonstrated ability to deliver pragmatic, scalable, and maintainable solutions in a fast-paced environment.\nWhat’s in it for you?\nWhen 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.\nWe 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.\nOur benefits package includes (but is not limited to):\nComprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug \nLife, legal, and supplementary insurance \nVirtual and in person mental health counseling services for individuals and family \nCommuter and parking benefits \n401(K) retirement plan with matching contributions \nEmployee stock purchase plan \nPaid time off \nTuition reimbursement \nOn-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes\nAccess to CoStar Group’s Employee Resource Groups \nComplimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks \nThe 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.\nBase Compensation: $108,000 - $140,000 Annually\nWe 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.\nCoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing","description_format":"text","description_chars":7075,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Real Estate","Data Providers & Datasets","Commercial Real Estate","Online Classifieds"],"lifecycle":[{"event":"open","at":"2026-10-16T15:14:19Z"}],"visa":[],"liveness":{"score":14,"band":"cold","label":"Long shot","p_open":1,"p_active":0.497,"p_room":0.28,"age_days":50,"expected_fill_days":24,"reasons":["conf:1","win:tail","crowd:brand"],"computed_at":"2026-10-17T00:45:53Z"},"pay":{"stated_usd_annual":140000,"is_top_pay":false},"html_url":"https://alion.io/job/costar-group-software-engineer-ii-data-management","json_url":"https://alion.io/job/costar-group-software-engineer-ii-data-management.json","meta":{"generated_at":"2026-10-17T00:45:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1043,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":15350},"rest":"https://alion.io/mcp/rest/get_company?id=15350"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcostar-group-software-engineer-ii-data-management"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcostar-group-software-engineer-ii-data-management"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcostar-group-software-engineer-ii-data-management"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/costar-group-software-engineer-ii-data-management\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcostar-group-software-engineer-ii-data-management"}]}