{"id":1384643,"url":"https://alion.io/job/costargroup-debt-solutions-senior-software-engineer","title":"Debt Solutions - Senior Software Engineer","company":{"id":6056,"name":"CoStar Group","domain":"costargroup.com","url":"https://alion.io/company/costargroup","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":89,"ghost_share":0,"stale_share":0.584,"repost_share":0,"time_to_fill_p50_days":37,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":124000,"max":202000,"currency":"USD","period":"year","gross":null,"usd_annual":202000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Neo4j","optional":true},{"name":"Redis","optional":true}],"status":"live","first_seen_at":"2026-09-14T00:00:00Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-10-15T09:57:13Z","board_verified":true,"closed_at":null,"days_open":31,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":31},"description":"Debt Solutions - Senior Software EngineerJob Description\nOVERVIEW \nCoStar Group 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.\nThe 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.\nWe are searching for an experienced Senior Software Engineer to join our team and drive the full-lifecycle development of this critical product.\nThis position is located in San Diego (UTC Area) and is in office Monday through Thursday with work from home on Friday.\nResponsibilities\nDesigning, building, testing and deploying scalable, reusable, and maintainable applications that handle large amounts of data, using AI-assisted development workflows where appropriate. \nTaking full ownership of your work, from development and testing to eventual deployment and support in production, maintaining high standards for correctness, reliability, and maintainability. \nCollaborating with other engineers, product owners, designers, and leadership to drive clear, effective technical designs and implementations. \nBecoming a trusted team member in matters of technical architecture, design and code. \nAdvocating for evolution and improvement - both technical and non-technical - within our teams, including AI-assisted development workflows. \nGaining a deep understanding of the CoStar business, including the Analytic products. \nBasic Qualifications\nBachelor’s Degree required from an accredited, not-for-profit, in-person college/university \nA track record of commitment to prior employers \n7+ years of professional software development experience. \nExperience leveraging AI-assisted development workflows in a production environment, using tools such as GitHub Copilot or Claude Code, to generate, review, and improve code. \nSolid understanding and experience with Object Oriented Programming \nDeep knowledge of modern server-side languages and application frameworks (C#, .NET Framework, Web API, Node) \nKnowledge of modern front end (JavaScript, React, etc.) languages and application frameworks \nExpertise with relational database systems such as SQL Server \nExpertise with software development best practices, including standards, code reviews, source control, builds, testing and operations. \nExpertise with Source Control, such as Git or TFS. \nPreferred Qualifications\nExpertise with Cloud platforms such as AWS or Azure \nStrong analytical and problem-solving abilities. \nExperience with NoSQL (Redis, Neo4j, etc.) is a plus \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 and tuition reimbursement.\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: $124,000 - $202,000 (Annually)\nSponsorship Statement\nUS: 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.\n #LI-CG1\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":4877,"description_truncated":false,"requirements":{"experience_years_min":7,"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":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Professional Services","Real Estate","E-learning","Virtual Events"],"lifecycle":[{"event":"open","at":"2026-09-28T09:52:41Z"}],"visa":[],"liveness":{"score":42,"band":"fade","label":"Fading","p_open":1,"p_active":0.561,"p_room":0.75,"age_days":31,"expected_fill_days":37,"reasons":["conf:0","stale_co","velocity","win:late","comp:brand"],"computed_at":"2026-10-15T05:46:00Z"},"pay":{"stated_usd_annual":202000,"is_top_pay":true},"html_url":"https://alion.io/job/costargroup-debt-solutions-senior-software-engineer","json_url":"https://alion.io/job/costargroup-debt-solutions-senior-software-engineer.json","meta":{"generated_at":"2026-10-15T18:35:34Z","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":28265,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":6056},"rest":"https://alion.io/mcp/rest/get_company?id=6056"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcostargroup-debt-solutions-senior-software-engineer"},{"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%2Fcostargroup-debt-solutions-senior-software-engineer"},{"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%2Fcostargroup-debt-solutions-senior-software-engineer"},{"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/costargroup-debt-solutions-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcostargroup-debt-solutions-senior-software-engineer"}]}