{"id":1325132,"url":"https://alion.io/job/microsoft-senior-software-engineer-coreai","title":"Senior Software Engineer - CoreAI","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":27,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-01T05:45:00Z"}},"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":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AI Agents","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"CI/CD","optional":true},{"name":"Semantic Search","optional":true},{"name":"Semantic Search","optional":true}],"status":"live","first_seen_at":"2026-09-18T22:43:31Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-01T17:06:24Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"description":"OverviewThe future of software development will be shaped by AI agents that can understand, reason about, and safely evolve complex codebases. The Engineering Horizons team is building platforms, infrastructure, and developer experiences that enable engineers and AI agents to work together with confidence across the largestand most complex software systems.\nWe are looking for a Senior Software Engineer to design, build, and deliver code intelligence, validation, and agent-driven engineering capabilities. You will work withengineers,scientists, and product partners at the intersection of distributed systems, applied AI, software engineering productivity, and developer tooling. You will contribute to reliable systems that help engineering teams and AI agents understand code, validatechanges, and accelerate software development.\nThis opportunity will allow you to deepen your experience in AI-assisted software engineering, large-scale code understanding, distributed systems, and production service development with talented colleagues across Microsoft’s most critical code bases. You will be onsite at least 3 days a week working with an agile team of Scientists and Engineers.\nMicrosoft’s mission is to empower every person and every organization on the planet to achieve more, and we’re dedicated to this mission across every aspect of our company. Our culture is centered on embracing a growth mindset and encouraging teams and leaders to bring their best each day. Join us and help shape the future of the world.\nOur team values a friendly, collaborative atmosphere with a passion for technology. We believe strongly that a diverse team that applies empathy and leverages high-quality communication skills helps us deliver superior products and is key to our success.\nResponsibilities\nDesign, implement, test, and maintain scalable services, data pipelines, and developer infrastructure that support code understanding, semantic analysis, validation, and AI-assisted software engineering experiences.\n\nOwn the design and delivery of significant features or system components, making appropriate engineering tradeoffs across reliability, performance, security, maintainability, and delivery needs.\n\nCollaborate with scientists, product managers, and engineers to translate emerging AI capabilities and customer requirements into reliable production systems.\n\nContribute to technical designs and architecture discussions, identify dependencies and risks, and help the team make informed implementation decisions.\n\nImprove the quality and operational health of services through monitoring, telemetry, debugging, root-cause analysis, automated testing, and engineering best practices.\n\nWork with partner teams to integrate code intelligence and validation capabilities into developer tools, repositories, build systems, and AI-assisted engineering workflows.\n\nShare technical knowledge, participate in design and code reviews, and mentor other engineers through hands-on collaboration and engineering guidance.\n\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, JavaScript, or PythonOR equivalent experience. \n\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:\nMicrosoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years\nPreferred Qualifications\nExperience designing, building, testing, and supporting production software or software-based services. \nExperience with distributed systems, cloud services, developer platforms, data-intensive systems, or software engineering infrastructure. \nExperience contributing to technical designs and delivering software features or components through the complete development lifecycle. \nAbility to work independently in highly ambiguous scenarios. \nExperience with AI assisted software development. \nExperience with large language models, agentic systems, retrieval systems, or code-generation technologies. \nExperience with static analysis, code indexing, semantic search, repository intelligence, source-control platforms, CI/CD systems, or software validation. \nExperience building or operating reliable, data pipelines, developer tools, or engineering productivity systems. \nExperience using telemetry, testing, evaluation methods, or operational metrics to improve software quality and system reliability. \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. 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":6116,"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":["Console Games","Cloud Platforms (IaaS & PaaS)","Gaming Consoles","Developer Tools"],"lifecycle":[{"event":"open","at":"2026-09-27T02:21:04Z"}],"liveness":{"score":53,"band":"ok","label":"Likely open","p_open":1,"p_active":0.585,"p_room":0.9,"age_days":12,"expected_fill_days":23,"reasons":["conf:10","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-10-01T05:45:00Z"},"pay":{"stated_usd_annual":234700,"is_top_pay":true},"html_url":"https://alion.io/job/microsoft-senior-software-engineer-coreai","json_url":"https://alion.io/job/microsoft-senior-software-engineer-coreai.json","meta":{"generated_at":"2026-10-01T19:15:57Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1756,"day_limit":5000,"remaining_today":3244,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}