{"id":70347,"url":"https://alion.io/job/openai-software-engineer-accelerators","title":"Software Engineer, Accelerators","company":{"id":2,"name":"OpenAI","domain":"openai.com","url":"https://alion.io/company/openai","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":78,"open_postings":196,"ghost_share":0,"stale_share":0.898,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":295000,"max":380000,"currency":"USD","period":"year","gross":null,"usd_annual":380000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"OpenAI","optional":false},{"name":"PyTorch","optional":false},{"name":"Recommender Systems","optional":false},{"name":"TPU","optional":false}],"status":"live","first_seen_at":"2025-06-27T20:50:51Z","employer_posted_date":"2025-06-27","last_verified_at":"2026-10-18T08:02:55Z","board_verified":true,"closed_at":null,"days_open":477,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":477},"description":"About the Team\nOpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform.\nAbout the Role\nOn the Accelerators team, you will help OpenAI evaluate and bring up new compute platforms that can support large-scale AI training and inference.\nYour work will range from prototyping system software on new accelerators to enabling performance optimizations across our AI workloads.\nYou’ll work across the stack, collaborating with both hardware and software aspects - working on kernels, sharding strategies, scaling across distributed systems, and performance modeling.\nYou'll help adapt OpenAI's software stack to non-traditional hardware and drive efficiency improvements in core AI workloads. This is not a compiler-focused role, rather bridging ML algorithms with system performance - especially at scale.\nIn this role, you will:\nPrototype and enable OpenAI's AI software stack on new, exploratory accelerator platforms.\n\nOptimize large-scale model performance (LLMs, recommender systems, distributed AI workloads) for diverse hardware environments.\n\nDevelop kernels, sharding mechanisms, and system scaling strategies tailored to emerging accelerators.\n\nCollaborate on optimizations at the model code level (e.g. PyTorch) and below to enhance performance on non-traditional hardware. Perform system-level performance modeling, debug bottlenecks, and drive end-to-end optimization.\n\nWork with hardware teams and vendors to evaluate alternatives to existing platforms and adapt the software stack to their architectures.\n\nContribute to runtime improvements, compute/communication overlapping, and scaling efforts for frontier AI workloads.\n\nYou might thrive in this role if you have:\n3+ years of experience working on AI infrastructure, including kernels, systems, or hardware-software co-design\n\nHands-on experience with accelerator platforms for AI at data center scale (e.g., TPUs, custom silicon, exploratory architectures).\n\nStrong understanding of kernels, sharding, runtime systems, or distributed scaling techniques.\n\nFamiliarity with optimizing LLMs, CNNs, or recommender models for hardware efficiency.\n\nExperience with performance modeling, system debugging, and software stack adaptation for novel architectures.\n\nExposure to mobile accelerators is welcome, but experience enabling data center-scale AI hardware is preferred.\n\nAbility to operate across multiple levels of the stack, rapidly prototype solutions, and navigate ambiguity in early hardware bring-up phases\n\nInterest in shaping the future of AI compute through exploration of alternatives to mainstream accelerators.\n\nTo comply with U.S. export control laws and regulations, candidates for this role may need to meet certain legal status requirements as provided in those laws and regulations.\nAbout OpenAI\nOpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.\nWe are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.\nFor additional information, please see OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement.\nBackground checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.\nTo notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance.\nWe are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link.\nOpenAI Global Applicant Privacy Policy\nAt OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. 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