{"id":2648515,"url":"https://alion.io/job/microsoft-senior-principal-software-engineers-ai-commerce-platforms","title":"Senior / Principal Software Engineers (AI), Commerce Platforms","company":{"id":18,"name":"Microsoft","domain":"microsoft.com","url":"https://alion.io/company/microsoft","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":75,"open_postings":205,"ghost_share":0,"stale_share":0.985,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Redmond, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":119800,"max":234700,"currency":"USD","period":"year","gross":null,"usd_annual":234700},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Anomaly Detection","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"CI/CD","optional":true},{"name":"Databricks","optional":true},{"name":"GCP","optional":true},{"name":"PyTorch","optional":true},{"name":"PyTorch C++","optional":true},{"name":"React.js","optional":true},{"name":"Scikit-learn","optional":true},{"name":"Spark","optional":true},{"name":"TensorFlow","optional":true},{"name":"TensorFlow C++","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-14T17:12:56Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-19T12:32:34Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"OverviewBuild the foundations of modern commerce\nMicrosoft Commerce Platforms powers the services and data foundations behind offers, pricing, and transactions across first-party and third-party commerce experiences. We are modernizing shared platforms and data architecture to make commerce capabilities more scalable, reliable, intelligent, and easier to extend.\nWe are hiring for both Senior Software Engineer and Principal Software Engineer roles. Role will be determined based on experience, technical depth, scope of impact, architectural leadership, and ability to influence engineering direction across teams.\nIn these roles, you will build and evolve distributed services, APIs, and large-scale data platforms that support critical commerce experiences. You will work across engineering, product, and data science teams to solve complex technical problems, modernize shared capabilities, and apply data and AI to improve commerce and engineering outcomes.\nJoin us to shape the future of Microsoft’s commerce platform by building resilient services, driving platform consistency, and enabling intelligent, data-driven decision-making at scale.\nThis role requires you to be onsite 3 days a week in Microsoft’s offices in Redmond, WA.\nMicrosoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.\nResponsibilities\nDesign, build, and evolve scalable distributed services that support reliable commerce experiences across teams and products.\nDevelop APIs and high-scale data pipelines supporting areas such as offer lifecycle management, ingestion, data modeling, analytics, and real-time decision making.\nShape architecture and modernization efforts that standardize shared capabilities, reduce fragmentation, and improve platform consistency.\nBuild solutions designed for scalability, extensibility, performance, security, and operational reliability.\nPartner with engineering, product, and data science teams to define requirements and translate customer and business needs into well-scoped technical solutions.\nApply data, machine learning, and AI to practical problems such as anomaly detection, forecasting, intelligent routing, automated insights, and engineering productivity.\nExplore and build extensible LLM-based capabilities where they can meaningfully improve engineering and commerce outcomes.\nOwn service and model reliability through observability, testing, deployment, monitoring, incident response, and continuous improvement.\nEvaluate new approaches through experimentation, data analysis, feature engineering, model evaluation, and production validation as appropriate.\nRaise engineering standards through design and code reviews, technical mentorship, knowledge sharing, and hands-on delivery.\nQualifications\nRequired/minimum qualifications\nBachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.\nOther Requirements\nAbility to meet Microsoft, customer and / or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire / transfer and every two years thereafter.\nAdditional or preferred qualifications\nExperience designing and building scalable distributed or cloud-based systems, including backend services, APIs, and service-oriented architectures.\nExperience with cloud platforms such as Azure, AWS, or Google Cloud and building high-scale data pipelines or shared data models.\nUnderstanding of software architecture, system design, scalability, performance, reliability, security, and operational excellence.\nExperience with CI/CD, automated testing, observability, production monitoring, incident response, and operating services at scale.\nAbility to evaluate complex technical trade-offs, troubleshoot distributed systems, and translate ambiguous business or customer needs into effective technical solutions.\nExperience partnering across engineering, product, data science, and other cross-functional teams to deliver complex technical initiatives.\nExperience with data-intensive systems and technologies supporting large-scale ingestion, processing, analytics, or real-time decision making.\nExperience applying machine learning or AI to production scenarios such as anomaly detection, forecasting, intelligent routing, automated insights, or LLM-based automation.\nExperience driving technical design, architecture, engineering standards, and modernization efforts, with the ability to influence technical decisions beyond an individual service or component.\nCommunication and collaboration skills, with experience sharing technical knowledge, conducting design and code reviews, and mentoring other engineers.\nExperience with commerce domains such as offers, catalogs, pricing, payments, marketplaces, billing, or transactions.\nExperience with large-scale data technologies such as Spark, Kafka, Databricks, or similar platforms.\nExperience with machine learning frameworks such as PyTorch, TensorFlow, or Scikit-learn.\nExperience with experimentation, statistical modeling, feature engineering, model evaluation, or model lifecycle management.\nExperience with generative AI, LLMs, AI-assisted software development, or other practical applications of AI in production environments.\nFull-stack development experience with technologies such as React or TypeScript.\nSoftware Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.\nCertain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:\nhttps://careers.microsoft.com/us/en/us-corporate-pay\nSoftware Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.\nCertain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:\nhttps://careers.microsoft.com/us/en/us-corporate-pay\nThis position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.\nMicrosoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.","description_format":"text","description_chars":7850,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Commerce","Console Games","Gaming Consoles"],"lifecycle":[{"event":"open","at":"2026-10-15T20:47:31Z"}],"visa":[],"liveness":{"score":62,"band":"ok","label":"Likely open","p_open":1,"p_active":0.617,"p_room":1,"age_days":4,"expected_fill_days":28,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-19T05:45:15Z"},"pay":{"stated_usd_annual":234700,"is_top_pay":true},"html_url":"https://alion.io/job/microsoft-senior-principal-software-engineers-ai-commerce-platforms","json_url":"https://alion.io/job/microsoft-senior-principal-software-engineers-ai-commerce-platforms.json","meta":{"generated_at":"2026-10-19T12:59:49Z","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":9167,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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":18},"rest":"https://alion.io/mcp/rest/get_company?id=18"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmicrosoft-senior-principal-software-engineers-ai-commerce-platforms"},{"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%2Fmicrosoft-senior-principal-software-engineers-ai-commerce-platforms"},{"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%2Fmicrosoft-senior-principal-software-engineers-ai-commerce-platforms"},{"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/microsoft-senior-principal-software-engineers-ai-commerce-platforms\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmicrosoft-senior-principal-software-engineers-ai-commerce-platforms"}]}