{"id":163480,"url":"https://alion.io/job/mistral-ai-software-engineer-backend-2","title":"Software Engineer, Backend","company":{"id":22,"name":"Mistral AI","domain":"mistral.ai","url":"https://alion.io/company/mistral-ai","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":95,"open_postings":194,"ghost_share":0,"stale_share":0.005,"repost_share":0,"time_to_fill_p50_days":64,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":89000,"period":"year","method":"role_country_seniority_unknown","sample_n":508},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-07-03T16:23:54Z","employer_posted_date":"2026-07-03","last_verified_at":"2026-10-29T18:40:21Z","board_verified":true,"closed_at":null,"days_open":118,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":117},"description":"About Mistral\nMistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.\nWe are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited.\nThe Role\nAs a Backend Engineer on the Engineering team, you will build the core systems that power our AI platform. Our team develops the backend infrastructure and APIs that enable Studio, Vibe, and Vibe Code, shaping how millions of users and developers interact with our technology. Your work will directly affect the reliability, performance, and scalability of our products.\nWe focus on creating robust, high-performance systems that support authentication, billing, AI tooling, and developer experience. By joining us, you will contribute to a platform that enables both internal teams and external users to build and deploy AI applications.\nWhat You Will Do\nDesign, develop, and maintain scalable backend features and APIs that power our AI platform.\n\nEnsure high performance and reliability across distributed systems serving millions of users.\n\nBuild and improve systems for authentication, billing, AI tooling, and developer experience.\n\nDesign and implement secure, scalable architectures to support our growing products.\n\nCollaborate with infrastructure teams on deployment, monitoring, and performance optimization.\n\nWrite clean, maintainable, and well-documented code.\n\nPartner with cross-functional teams to deliver end-to-end features.\n\nSolve complex engineering challenges and integrate new technologies into production.\n\nWhat We're Looking For\nExperience designing and building scalable backend systems and APIs.\n\nStrong problem-solving skills and ability to tackle complex engineering challenges.\n\nExperience with distributed systems and performance optimization.\n\nAbility to write clean, maintainable, and well-documented code.\n\nExperience with system architecture and secure, scalable design.\n\nStrong collaboration skills and ability to work with cross-functional teams.\n\nExperience with modern backend frameworks and technologies.\n\nEagerness to learn, iterate, and deliver products.\n\nWhat We Offer\nWe offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.\nFor the most up-to-date details on benefits available in your location, please refer to our Benefits page.\nPrivacy Policy\nYour privacy matters to us. 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