{"id":73863,"url":"https://alion.io/job/graphcore-senior-software-engineer-3","title":"Senior Software Engineer","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":88,"open_postings":163,"ghost_share":0.117,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":69,"computed_at":"2026-10-17T05:46:00Z"}},"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":["Gdańsk, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":260000,"max":352000,"currency":"PLN","period":"year","gross":null,"usd_annual":90061},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CMake","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-06-24T13:51:29Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-18T04:34:14Z","board_verified":true,"closed_at":null,"days_open":115,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":115},"description":"Salary Range: PLN 260,000 - 352,000 PLN \nSubject to alignment to the responsibilities and duties of the role\nAbout the job\nBuild the simulator that helps engineers understand and optimise collective communication at AI scale.\nAs a Senior Software Engineer in the Collectives Simulator team, you will design and develop a large-scale simulator for new AI hardware. Your work will help engineers analyse network parameters and develop communication algorithms for high bandwidth and low latency.\nYou will lead development across design, implementation, testing and documentation. You will also work with other engineering teams to develop features, troubleshoot complex issues and integrate new hardware with the wider AI ecosystem.\nThe role combines large-scale software engineering with custom hardware and communication systems. You will shape technical direction, mentor junior engineers and help build the software that enables efficient communication at very high scale.\nThe team and culture\nWe value face-to-face interaction and make time to meet in the office frequently. The team works in two-week sprints, with three stand-ups each week, fortnightly sprint planning and a weekly team meeting.\nWork is planned with input from the Technical Product Manager, covering both longer-term priorities and upcoming sprints. Engineers typically work in small groups on larger tasks or components, coordinating the work among themselves.\nThe team has a high level of technical expertise, with opportunities to attend thematic conferences and team outings roughly once a quarter.\nWhat we're looking for\nExtensive professional software development experience using C++\nStrong Python and C programming skills\nExperience developing efficient concurrent applications using multithreading and inter-process communication\nStrong debugging and problem-solving skills for complex software systems\nExperience with unit testing frameworks such as Boost.Test or Google Test\nProficiency with software build systems such as CMake, Make or Ninja\nWhile we have outlined a set of requirements, we value transferable skills and diverse experiences. If you meet most of our essential criteria, we encourage you to submit an application and showcase how your background makes you a strong candidate.\nBenefits\nFlexible working: Balance your work and personal life with greater flexibility\nComprehensive healthcare and dental cover: Premium medical and dental insurance, with the option to extend cover to your family\nPhantom equity: Share in Graphcore’s success\nFitness and wellbeing support: A fully funded Medicover gym card, giving you access to a wide range of gyms, fitness classes and leisure centres\nFinancial protection: Death and disability insurance, providing financial security for you and your loved ones\nRetirement savings: Build your financial future, with a 4% employer contribution from Graphcore, alongside your own contributions\n Employee Assistance Programme (EAP): Confidential advice and support for you and your family across a range of personal, financial and wellbeing matters\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 Poland. 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 work on challenging problems at the intersection of software and AI hardware? Apply now and join Graphcore.","description_format":"text","description_chars":4639,"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":["Dental insurance","Equity","Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Processors, MCUs & AI Chips","AI Chips & Accelerators"],"lifecycle":[{"event":"open","at":"2026-06-24T13:51:29Z"},{"event":"open","at":"2026-10-10T06:40:41Z"}],"visa":[],"liveness":{"score":25,"band":"fade","label":"Fading","p_open":1,"p_active":0.69,"p_room":0.36,"age_days":114,"expected_fill_days":69,"reasons":["conf:3","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":90061,"is_top_pay":false},"html_url":"https://alion.io/job/graphcore-senior-software-engineer-3","json_url":"https://alion.io/job/graphcore-senior-software-engineer-3.json","meta":{"generated_at":"2026-10-18T05:29:25Z","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":8274,"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":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-3"},{"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-3"},{"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-3"},{"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-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgraphcore-senior-software-engineer-3"}]}