{"id":3306736,"url":"https://alion.io/job/baseten-software-engineer-storage-systems-agent-infra","title":"Software Engineer, Storage Systems (Agent Infra)","company":{"id":4399,"name":"Baseten","domain":"baseten.co","url":"https://alion.io/company/baseten","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":70,"open_postings":25,"ghost_share":0,"stale_share":0.96,"repost_share":0.04,"time_to_fill_p50_days":73,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States","New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":330000,"currency":"USD","period":"year","gross":null,"usd_annual":330000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Baseten","optional":false},{"name":"C++","optional":false},{"name":"Cursor","optional":false},{"name":"Go","optional":false},{"name":"Linux","optional":false},{"name":"Notion","optional":false},{"name":"Rust","optional":false},{"name":"Amazon S3","optional":true},{"name":"eBPF","optional":true},{"name":"Machine Learning","optional":true}],"status":"live","first_seen_at":"2026-10-27T00:19:32Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-28T18:25:02Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"ABOUT BASETEN\nBaseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products.\nTHE ROLE\nStorage decides how fast agent sandboxes start and how safely they share data. Agents need a filesystem that thousands of sandboxes mount at the same time, with strict isolation and the consistency agents need. Agent context is mostly small files, so the access patterns look very different from storage built for large files.\nThe Agent Infra team builds Agent Drive, the distributed filesystem that agent sandboxes mount over FUSE, and the storage underneath it. The work uses tiered caching, replication, content-addressed data, and Linux filesystem internals. In September 2026, Baseten acquired Blaxel, whose sandboxes and Agent Drive filesystem are the foundation for Baseten Sandboxes.\nWe are building a cloud, not just using one, so storage is designed for many tenants from day one. The team is small and ownership is big: we ship in weeks and months, not multi-year programs.\nIf you care about page cache coherency, FUSE, replication protocols, and content-addressable storage, we'd love to talk.\nEXAMPLE INITIATIVES\nBlaxel is joining Baseten to build the future of agentic infrastructure\n\nBaseten Sandboxes documentation\n\nRESPONSIBILITIES\nDesign and implement core Agent Drive features: metadata replication, volume placement, garbage collection, and FUSE client behavior\n\nSolve multi-attach correctness: cache coherency across many FUSE mounts of the same drive, dentry and inode invalidation, write ordering, and crash consistency\n\nOptimize tail latency on read and write paths, including page cache strategy, writeback, prefetch, and metadata RPC batching\n\nBuild tenant isolation into the storage layer, including quota enforcement, blast-radius containment, and noisy-neighbor mitigation\n\nOwn the storage side of sandbox startup and resume performance\n\nBuild durable block storage for sandboxes alongside other Baseten storage teams\n\nBuild observability into every layer, drive storage incidents end to end, and turn each one into a permanent fix\n\nContribute upstream to the open-source storage projects we build on\n\nREQUIREMENTS\nStrong systems programming background in Go, Rust, and/or C/C++, with comfort reading kernel code\n\nDeep understanding of Linux filesystem and storage internals: VFS, page cache, dentry and inode caches, FUSE, the block I/O stack, fsync semantics, and crash consistency\n\nHands-on experience building distributed storage systems, content-addressable storage, or large-scale caching infrastructure\n\nExperience profiling I/O, memory, and RPC bottlenecks and optimizing tail latency in production\n\nAbility to debug correctness bugs that only show up under concurrency or partial failure\n\nYou move fast and like owning a problem end to end on a small team\n\nNICE TO HAVE\nExperience with a distributed filesystem or object store such as JuiceFS, CephFS, or S3-compatible storage, or contributions to those projects\n\nKnowledge of consensus and replication protocols (Raft, leader leases, quorum reads)\n\nExperience with snapshot, clone, and copy-on-write filesystem features\n\nExperience operating multi-tenant storage with hard isolation requirements\n\nFamiliarity with Linux performance tooling such as eBPF, io_uring, perf, ftrace, and blktrace\n\nBENEFITS\nCompetitive compensation, including meaningful equity\n\n(U.S. only) 100% coverage of medical, dental, and vision insurance for employee and dependents\n\nFlexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!)\n\nPaid parental leave\n\nFertility and family-building stipend through Carrot\n\n(U.S. only) Company-facilitated 401(k)\n\nExposure to a variety of ML startups, offering unparalleled learning and networking opportunities.\n\nApply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you.\nAt Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.\nWe are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).","description_format":"text","description_chars":5044,"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","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["MLOps","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-10-27T01:42:59Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":73,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":330000,"is_top_pay":true},"html_url":"https://alion.io/job/baseten-software-engineer-storage-systems-agent-infra","json_url":"https://alion.io/job/baseten-software-engineer-storage-systems-agent-infra.json","meta":{"generated_at":"2026-10-28T18:40:13Z","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":25461,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":4399},"rest":"https://alion.io/mcp/rest/get_company?id=4399"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbaseten-software-engineer-storage-systems-agent-infra"},{"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%2Fbaseten-software-engineer-storage-systems-agent-infra"},{"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%2Fbaseten-software-engineer-storage-systems-agent-infra"},{"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/baseten-software-engineer-storage-systems-agent-infra\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbaseten-software-engineer-storage-systems-agent-infra"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3306736}},{"tool":"search_jobs","arguments":{"company":"baseten.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3306736},"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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