{"id":3275355,"url":"https://alion.io/job/bags-senior-staff-full-stack-engineer","title":"Senior Staff Full Stack Engineer","company":{"id":1965675,"name":"Bags","domain":"bags.fm","url":"https://alion.io/company/bags-fm","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":173000,"max_usd":322000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1500},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"DeFi","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-08-18T02:21:51Z","employer_posted_date":"2026-08-18","last_verified_at":"2026-10-29T01:23:45Z","board_verified":true,"closed_at":null,"days_open":72,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":72},"description":"Who We Are\nBags.fm is the development company that builds and operates the entire technology stack behind bags.fm, the leading launchpad for new projects and ideas. The systems are low latency, high throughput, live under constant load, and break if you get them wrong.\nWhat You’ll Do\nAs a Senior Staff Full Stack Engineer, you’ll remain deeply hands-on while shaping the technical direction of our platform across frontend and backend systems. You’ll own the hardest cross-stack problems - performance, scalability, correctness, and architectural coherence in a fast-moving environment\nArchitect and build high-performance systems across the entire stack, directly contributing production code in both frontend and backend layers\n\nDefine and evolve cross-stack architecture that scales with user growth, product complexity, and real-time interaction demands\n\nLead complex, multi-surface initiatives end to end - from system design and RFC through implementation, rollout, and iteration\n\nDesign clean boundaries between frontend, backend, and blockchain infrastructure, ensuring systems remain modular and adaptable as we scale\n\nAnticipate systemic bottlenecks (performance, data consistency, infra limits) and proactively design durable solutions\n\nDrive improvements in performance, reliability, and observability across the stack\n\nRapidly prototype and validate new product ideas while ensuring that successful experiments evolve into production-grade systems\n\nRaise the bar for engineering quality through design reviews, architectural guidance, and hands-on mentorship\n\nAct as a technical anchor during critical launches, migrations, or incidents that span multiple parts of the stack\n\nImprove developer velocity by evolving tooling, CI/CD pipelines, testing strategy, and shared abstractions\n\nWho You Are\nProven track record of owning large cross-stack systems serving real users under real load\n\nDeep expertise in TypeScript, React, Next.js, and Node.js (or equivalent backend frameworks), with strong architectural instincts\n\nComfortable reasoning about distributed systems, data modelling, caching, and client-server tradeoffs\n\nAble to move fluidly between frontend performance optimisation and backend system design\n\nKnown for solving ambiguous, cross-cutting technical problems that span multiple layers of the stack\n\nHigh-agency and execution-driven - you influence direction by building and shipping\n\nComfortable setting technical direction without stepping away from implementation\n\nExperience in high-growth or high-scale environments where systems must evolve rapidly without collapsing under complexity\n\nFamiliar with crypto, DeFi, or blockchain systems - especially real-time interactions, indexing, or wallet-integrated applications\n\nWhat it's like to work here\nWe work in person\n\nHours can be long and unconventional\n\nThe pace is intense\n\nExpectations are high, and impact is immediate\n\nWorking at Bags.fm is not for everyone\n\nWhy Join Us?\nUnmatched ownership and autonomy\n\nExposure to systems operating at the edge of crypto scale\n\nThe ability to ship fast and see real-world impact immediately\n\nIf you’re motivated by responsibility, speed, and building products used by massive audiences, you’ll feel at home here.","description_format":"text","description_chars":3236,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto"],"lifecycle":[{"event":"open","at":"2026-10-26T14:26:25Z"}],"visa":[],"liveness":{"score":15,"band":"cold","label":"Long shot","p_open":1,"p_active":0.547,"p_room":0.28,"age_days":71,"expected_fill_days":31,"reasons":["conf:2","win:tail","crowd:"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/bags-senior-staff-full-stack-engineer","json_url":"https://alion.io/job/bags-senior-staff-full-stack-engineer.json","meta":{"generated_at":"2026-10-29T03:58:03Z","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":6054,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":1965675},"rest":"https://alion.io/mcp/rest/get_company?id=1965675"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbags-senior-staff-full-stack-engineer"},{"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%2Fbags-senior-staff-full-stack-engineer"},{"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%2Fbags-senior-staff-full-stack-engineer"},{"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/bags-senior-staff-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbags-senior-staff-full-stack-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3275355}},{"tool":"search_jobs","arguments":{"company":"bags.fm","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3275355},"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. Docs: https://alion.io/developers"}}