{"question":"CoStar Group backend engineering salaries","answer":"Across 21 open backend engineering postings at CoStar Group that state a range, the middle half pays $150k–$179k a year, with a median of $156k. The lowest posted floor is $103k and the highest ceiling $297k. This is base pay as posted by CoStar Group, converted to US dollars; equity and bonus are not included.","company":"CoStar Group","company_url":"https://alion.io/company/costargroup","team":"Backend engineering","postings_with_pay":21,"open_roles":31,"currency":"USD","period":"year","basis":"midpoint of the posted range, base pay","p25":150000,"median":155500,"p75":179000,"lowest_floor":103000,"highest_ceiling":297000,"by_level":[{"level":"Mid-level","postings":4,"median":"$124k"},{"level":"Senior","postings":12,"median":"$159k"},{"level":"Lead","postings":4,"median":"$181k"}],"other_teams":[{"team":"AI and machine learning","median":"$222k"},{"team":"Security","median":"$159k"},{"team":"Mobile engineering","median":"$156k"},{"team":"Backend engineering","median":"$156k"},{"team":"Data science","median":"$155k"},{"team":"Operations","median":"$152k"},{"team":"Product management","median":"$144k"},{"team":"Finance","median":"$137k"}],"html_url":"https://alion.io/company/costargroup/salaries/backend","json_url":"https://alion.io/company/costargroup/salaries/backend.json","offers":[{"id":"company.list","title":"Companies by industry, country, size, technology and hiring","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per company in a list","note":"the whole list with a card per company","call":{"mcp_tool":"search_companies"},"human":"https://alion.io/catalog?offer=company.list&for=company%2Fcostargroup%2Fsalaries%2Fbackend"},{"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":"any company of the list in depth","call":{"mcp_tool":"get_company"},"human":"https://alion.io/catalog?offer=company.slices&for=company%2Fcostargroup%2Fsalaries%2Fbackend"}],"meta":{"source":"Alion (alion.io), CC BY-SA 4.0","updated_at":"2026-10-11T04:20:00+00:00","built_at":"2026-10-11T04:20:00+00:00","indexable":false,"generated_at":"2026-10-22T14:00:39+00:00","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"}}