{"id":69981,"url":"https://alion.io/job/flex-senior-fullstack-engineer","title":"Senior FullStack Engineer","company":{"id":24073,"name":"FlexAI","domain":"flex.ai","url":"https://alion.io/company/flexai","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17500,"max_usd":41000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FastAPI","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"React Query","optional":false},{"name":"React.js","optional":false},{"name":"SQLModel","optional":false},{"name":"CI/CD","optional":true},{"name":"Edge AI","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-01-27T11:36:08Z","employer_posted_date":"2026-01-27","last_verified_at":"2026-10-18T01:01:06Z","board_verified":true,"closed_at":null,"days_open":263,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":262},"description":"About FlexAI\nBuild and Deploy AI the right way, anywhere.\nThe FlexAI Compute Infrastructure Platform provides an \"end-to-end AI compute layer\" for running and managing workloads across any cloud, any GPU, and any deployment model (public, hybrid, or on-prem). It brings together \"1-click simplicity\" for users with \"enterprise-grade orchestration, security, and automation\" under the hood.\nFounded byBrijesh Tripathi, who bring experience from Nvidia, Apple, Tesla, Intel and Zoox, FlexAI is notjustbuilding a product - we’re shaping the future of AI. Our teams are strategically distributed across Silicon Valley and Bengaluru, united by a shared mission: to deliver more compute with less complexity.\nIf you're passionate about shaping the future of artificial intelligence, driving innovation, and contributing to a sustainable and inclusive AI ecosystem,FlexAI is the place for you !\n Role Overview\nFlexAI is looking for a Senior FullStack Engineer who can build end-to-end features across our PaaS platform - including\nfrontend UI layers, backend APIs, data models, and integrations with compute and infrastructure systems. You will work on developer modules Admin modules, Marketplace, and Licensing, shaping the user experience and backend logic.\nWhat You’ll Do\nBuild and ship end-to-end features across our platform (developer tools, marketplace, billing, admin)\nDevelop high-performance UIs using React\nDesign and implement APIs and backend services using Python (FastAPI) and/or Node.js\nDefine clean, scalable contracts between frontend and backend\nWork on data-intensive workflows (jobs, compute orchestration, resource management)\nCollaborate with platform and infrastructure teams to build reliable systems\nDebug and optimize across the stack - from UI to backend performance\nOwn features end-to-end: design, build, ship, and operate\nWhat You’ll Need to Be Successful\n5+ years of experience building Full Stack applications\nStrong hands-on development experience with React + Python (true React-Python fullstack capability).\nExperience with fastapi, pydantic, sqlmodel, and modern async backend development.\nDeep understanding of vite, bun, and frontend build/performance optimization.\nAbility to manage frontend async workflows using react-query and complex data tables using react-table.\nStrong API design skills and comfort working across schemas, data models, and serialization layers.\nExperience building modular services and UI-driven systems with high data throughput.\nAbility to operate independently in a high-speed environment and take full ownership of features.\nStrong communication and cross-functional collaboration skills.\nNice to Have\nExperience working with cloud APIs, compute runtimes, schedulers, or developer tooling.\nKnowledge of SRE concepts (Kubernetes, CI/CD, observability).\nFamiliarity with licensing workflows or enterprise cloud marketplaces.\nWhat We Offer\nA competitive salary and benefits package\nWork on cutting-edge AI infrastructure\nBuild products used by developers and enterprises\nHigh ownership, fast execution, real impact\nCollaborative, 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