{"id":186790,"url":"https://alion.io/job/broadcom-rd-principal-software-engineer-2","title":"R&D Principal Software Engineer","company":{"id":95,"name":"Broadcom","domain":"broadcom.com","url":"https://alion.io/company/broadcom","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":93,"ghost_share":0.011,"stale_share":0.591,"repost_share":0.011,"time_to_fill_p50_days":32,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":127100,"max":226000,"currency":"USD","period":"year","gross":null,"usd_annual":226000},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Git","optional":false},{"name":"JAX","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"PyTorch C++","optional":false},{"name":"CUDA","optional":true},{"name":"CUDA Toolkit","optional":true},{"name":"ROCm","optional":true},{"name":"Triton","optional":true},{"name":"vLLM","optional":true},{"name":"VMWare","optional":true}],"status":"live","first_seen_at":"2026-06-16T00:00:00Z","employer_posted_date":"2026-06-16","last_verified_at":"2026-10-18T05:31:05Z","board_verified":true,"closed_at":null,"days_open":124,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":124},"description":"Please Note:\n1. If you are a first time user, please create your candidate login account before you apply for a job. (Click Sign In > Create Account)\n2. If you already have a Candidate Account, please Sign-In before you apply.\nJob Description:\nAbout Us:\nBroadcom is a global leader in semiconductor and infrastructure software solutions. As part of our commitment to innovation and excellence, our VMware subsidiary is dedicated to shaping the future of virtualization technology. We are seeking talented individuals to join the GPU Virtualization Team, which is responsible for integrating GPUs in the ESXi Operating System and providing acceleration to AI/MLand Graphics applications running inside the Virtual Machines. The GPU Virtualization Team is part of the VMware Cloud Foundation (VCF) Division which enables readily deployable, easily managed solutions with GPUs to unleash the power of heterogeneous computing for modern applications.\nJob Summary:\nWe are seeking an experienced Principal Software Engineerwho has experience leading initiatives in the past. As a Principal Engineer, you will be focused on developing and integrating our AI Virtualization Stackto provide hardware-agnostic acceleration for AI/ML workloads on Virtual Machines. This role is critical in enabling multi-vendor GPU and XPU support using ML compilation technologies.\nResponsibilities:\nResearch, design, and develop the AI Virtualization Stackfor our ESXi server product.\n\nImplement and optimize PyTorch and JAX backendsusing the OpenXLA frameworkto ensure high-performance AI/ML workload execution across GPUs and XPUs.\n\nAnalyze and re-architect performance-critical sections of the ML acceleration code, focusing on optimization techniques for LLM inferencesuch as KV-caching and FlashAttention.\n\nTroubleshoot and address bugs related to AI/ML acceleration functionality.\n\nDeliver software that meets the coding guidelines and quality standards set by the VCF.\n\nDevelop and maintain technical documentation for delivered features.\n\nWork closely with the larger team, including virtual driver and device team, as well as external GPU/XPU vendors, to provide end-to-end support for ML frameworks.\n\nStay up-to-date with the latest GPU/XPU hardware architecture and AI/ML compiler technologies.\n\nQualifications:\nBachelor's degree in Computer Science or related field and 12+ years of related experience or Masters degree and 10+ years of related experience.\n\n5+ years of experience in ML framework/runtime development,GPU/XPU backend engineering.\n\nStrong understanding and direct experience with ML frameworks (PyTorch, JAX)and graph/ML compiler technologies (e.g. OpenXLA).\n\nExperience with C++ and Python programming languages.\n\nStrong problem-solving skills and ability to troubleshoot complex issues.\n\nExcellent communication and collaboration skills.\n\nExperience with version control systems such as Git.\n\nAbility to thrive in a fast-paced and dynamic work environment.\n\nFamiliarity with enterprise coding standards and best practices.\n\nNice to Have:\nExperience with inference serverssuch as vLLM, Triton.\n\nExperience with low-level GPU kernel development and writing custom kernels (e.g., CUDA, ROCm, or similar).\n\nMust have legal authorization to work in the US\nAdditional Job Description:\nCompensation and Benefits\nThe annual base salary range for this position is $127,100 - $226,000.\nAs a valued member of our team, you'll be eligible for a discretionary annual bonus and the opportunity to receive not only a competitive new hire equity grant, but also annual equity awards, connecting your success directly to the company's growth. All subject to relevant plan documents and award agreements.\nBroadcom offers a competitive and comprehensive benefits package: Medical, dental and vision plans, 401(K) participation including company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company paid holidays, paid sick leave and vacation time. The company follows all applicable laws for Paid Family Leave and other leaves of absence.\nBroadcom is proud to be an equal opportunity employer. We will consider qualified applicants without regard to race, color, creed, religion, sex, sexual orientation, national origin, citizenship, disability status, medical condition, pregnancy, protected veteran status or any other characteristic protected by federal, state, or local law. We will also consider qualified applicants with arrest and conviction records consistent with local law.\nIf you are located outside USA, please be sure to fill out a home address as this will be used for future correspondence.","description_format":"text","description_chars":4631,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["RF & Wireless Hardware","Virtualization & Containers","Network Equipment","AI Chips & Accelerators"],"lifecycle":[{"event":"open","at":"2026-09-01T19:24:13Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.302,"p_room":0.28,"age_days":123,"expected_fill_days":32,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":226000,"is_top_pay":true},"html_url":"https://alion.io/job/broadcom-rd-principal-software-engineer-2","json_url":"https://alion.io/job/broadcom-rd-principal-software-engineer-2.json","meta":{"generated_at":"2026-10-18T09:00:01Z","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":13365,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":95},"rest":"https://alion.io/mcp/rest/get_company?id=95"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbroadcom-rd-principal-software-engineer-2"},{"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%2Fbroadcom-rd-principal-software-engineer-2"},{"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%2Fbroadcom-rd-principal-software-engineer-2"},{"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/broadcom-rd-principal-software-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbroadcom-rd-principal-software-engineer-2"}]}