{"id":2825677,"url":"https://alion.io/job/microsoft-senior-software-engineer-browser-platform","title":"Senior Software Engineer - Browser Platform","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":77,"open_postings":216,"ghost_share":0,"stale_share":0.912,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Edge AI","optional":false},{"name":"Java","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-02-17T20:43:23Z","employer_posted_date":"2026-02-18","last_verified_at":"2026-10-20T10:04:57Z","board_verified":true,"closed_at":null,"days_open":244,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":244},"description":"OverviewThe Edge browser is a core strategic product and key entry point to Microsoft’s new AI ecosystem, serving hundreds of millions of users daily. As the hypercompetitive AI browser ecosystem evolves, the Edge team is focused on continuing to lead. The Edge Web Platform engineering team is looking for a Senior Software Engineer - Browser Platform to join its on-device ML team to help deliver on-device ML capabilities developers want via new and evolving web APIs such as WebNN, the Prompt API, the Writing Assistance API, and more.\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.\nStarting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.\nResponsibilities\nCollaborate with teams across many parts of Microsoft, including with researchers to evaluate and optimize cutting-edge on-device models.\nDevelop evaluation pipelines and datasets to ensure models meet developers’ needs.\nIntegrate the models and runtimes into Edge and collaborate to improve the full on-device ML stack.\nEngage with the web ecosystem-including through the open web standards process-to ensure API designs are high quality and enable cross-browser interoperability.\nContribute directly to the Chromium project for aspects that can be shared with other Chromium-based browsers.\nQualifications\nRequired 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, or PythonOR equivalent experience.\n\nPreferred Qualifications:\nMaster's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, or PythonOR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java or Python\nOR equivalent experience.\n\nPast experience contributing to a large-scale software engineering project.\nPast experience with evaluating and training ML models.\nSolid design, coding, and debugging skills in modern programming languages.\n#MicrosoftAI #microsoftedge\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\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. 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