{"id":3472421,"url":"https://alion.io/job/graphcore-senior-software-engineer-ai-compute-libraries","title":"Senior Software Engineer - AI Compute Libraries","company":{"id":33,"name":"Graphcore","domain":"graphcore.ai","url":"https://alion.io/company/graphcore","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":92,"open_postings":140,"ghost_share":0,"stale_share":0.107,"repost_share":0,"time_to_fill_p50_days":69,"computed_at":"2026-11-01T06:10:25Z"}},"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":["Bristol, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":83000,"max_usd":162000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CMake","optional":true},{"name":"Python","optional":true},{"name":"PyTorch","optional":true}],"status":"live","first_seen_at":"2026-10-29T13:21:37Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-01T09:29:30Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About the job\nAs a Senior Software Engineer, you’ll develop, maintain and release the C++ libraries and runtime APIs that engineers use to build and execute workloads on Graphcore’s AI hardware.\nYour work will focus on developer-facing libraries, runtime components or a combination of both. You’ll design clear abstractions for low-level hardware capabilities, improve reliability and performance, and support developers integrating these libraries into the wider software stack.\nYou will take ownership of library changes from design and implementation through review, integration, release and ongoing maintenance. Deliver dependable library releases through packaging, dependency validation, release notes and the maintenance fixes developers need.\nYou’ll write API documentation, usage examples and migration guidance to help developers adopt changes confidently. Work with library users across the software stack to understand requirements, resolve integration issues and guide API improvements.\nThe team and culture\nThe AI Compute Libraries team develops high-performance compute libraries and the software infrastructure that helps engineers make effective use of Graphcore’s AI hardware.\nYou’ll work alongside specialists in accelerator software, runtime systems and performance engineering. Together, you’ll turn hardware capabilities and developer requirements into practical, well-tested APIs, with clear documentation and dependable releases.\nWhat we’re looking for\nEssential skills:\nStrong modern C++ skills and a commitment to producing reliable, maintainable code.\nThe ability to turn complex, low-level concepts into clear APIs and abstractions.\nStrong debugging and automated testing skills, including diagnosing issues in existing codebases.\nConfidence owning substantial engineering tasks independently and working effectively across teams.\nClear written and spoken communication, with a willingness to share knowledge and support colleagues.\nDesirable experience:\nExperience with hardware accelerators, heterogeneous computing or architecture-specific software.\nExperience with embedded DSLs, graph representations, descriptor generation or compiler infrastructure.\nFamiliarity with CMake, C++ library packaging, API/ABI compatibility, versioning or dependency management.\nExperience integrating C++ libraries with Python or ML frameworks such as PyTorch.\nExperience improving release automation, compatibility testing or developer tooling.\nBenefits\nFlexible working: Balance your work and personal life with greater flexibility\nGenerous leave: Take time to rest, recharge and enjoy life outside of work\nRetirement planning support: Up to 5% matched pension\nPhantom equity: Share in Graphcore’s success\nWorkplace experience: Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day\nPeace of mind protection: Income protection and life assurance to provide financial security for you and your loved ones\nElectric Vehicle Scheme: Choose an electric vehicle and lease it through salary sacrifice\nFlexible benefits: Tailor your benefits package with a choice of additional options, including private medical insurance, cycle to work scheme and dental cover\nWe welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work.\nWe’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you.\nSponsorship\nApplicants must have the legal right to work in the UK. Unfortunately, we are unable to provide visa sponsorship or support visa applications for this role.\nJoin the Team at Graphcore\nGraphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry.\nAs part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone.\nGraphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute.\nReady to shape the libraries developers use to build and run accelerator workloads? Apply to join Graphcore’s AI Compute Libraries team in Bristol.","description_format":"text","description_chars":4827,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Health insurance","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Processors, MCUs & AI Chips","AI Chips & Accelerators"],"lifecycle":[{"event":"open","at":"2026-10-29T17:37:19Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-31T06:23:40+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":69,"reasons":["conf:0","velocity","win:early","comp:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/graphcore-senior-software-engineer-ai-compute-libraries","json_url":"https://alion.io/job/graphcore-senior-software-engineer-ai-compute-libraries.json","meta":{"generated_at":"2026-11-01T11:50:03Z","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":18324,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":33},"rest":"https://alion.io/mcp/rest/get_company?id=33"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgraphcore-senior-software-engineer-ai-compute-libraries"},{"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%2Fgraphcore-senior-software-engineer-ai-compute-libraries"},{"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%2Fgraphcore-senior-software-engineer-ai-compute-libraries"},{"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/graphcore-senior-software-engineer-ai-compute-libraries\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgraphcore-senior-software-engineer-ai-compute-libraries"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3472421}},{"tool":"search_jobs","arguments":{"company":"graphcore.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3472421},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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