{"id":"3155255942","title":"Senior Software Engineer, Applied AI","posted_at":"2026-05-08T17:42:05.000Z","apply_url":"https://jobs.ashbyhq.com/mainstay/3a653e12-32ad-46c9-a590-d8cb3bbe260e/application","locations":["Remote"],"employment_type":"full_time","workplace_type":"remote","seniority_level":"senior","description_language":"en","source_name":"ashby","source_url":"https://jobs.ashbyhq.com/mainstay/3a653e12-32ad-46c9-a590-d8cb3bbe260e","salary":null,"job_summary":null,"job_description":null,"visa_sponsorship":null,"experience_years_min":null,"job_address":null,"job_city":null,"job_state":null,"job_country":null,"location_lat":42.972549,"location_lng":-71.47022700000001,"keywords":["cross-functional","product managers","production-ready","intelligence","prototyping","Collaborate","pain points","scalability","performance","fine-tuning","experiences","engineering","operations","full-stack","production","AI-powered","TypeScript","automation","priorities","designers","pipelines","workflows","scalable","Platform","business","accuracy","customer","evaluate","leading","testing","backend","agentic","latency","privacy","design","Mentor","Growth","Python","agents","vector","launch","teams","React","data","APIs","LLMs","RAG","AWS","ML","AI"],"company":{"name":"Mainstay","logo_url":"https://img.logo.dev/mainstay.com?token=pk_fWx5G5QrQMm-0Ud8BW3mBg&size=64&format=png","description":"Mainstay is an AI-native market intelligence platform that provides data and services for buying, managing, and selling homes within the single-family rental industry.","website_url":"https://mainstay.com","linkedin_url":"https://www.linkedin.com/company/heymainstay","glassdoor_url":null,"x_url":"https://x.com/hey_mainstay","instagram_url":null,"youtube_url":null,"github_url":null,"huggingface_url":null,"tiktok_url":null,"crunchbase_url":null,"facebook_url":null,"employee_count_range":"51-200","employee_count":null,"founded_year":2014,"headquarters":{"address":null,"city":"Boston, MA","country":"US","lat":42.3588336,"lng":-71.0578303},"industry":"edtech","company_type":"startup","total_funding_usd":30200000,"locations":["Field Agent - Southern California","Orlando","San Diego, CA","San Francisco Bay","West Coast required"]}}