{"id":2034414,"url":"https://alion.io/job/double-senior-fullstack-engineer-br-based-only","title":"Senior Fullstack Engineer (BR based only)","company":{"id":23808,"name":"Double","domain":"double.ai","url":"https://alion.io/company/double","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":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["São Paulo, Brazil"],"countries":["BR"],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":{"min":90000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Excel","optional":false},{"name":"React.js","optional":false},{"name":"TypeORM","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Node JS","optional":true},{"name":"PostgreSQL","optional":true},{"name":"React Query","optional":true},{"name":"Redux","optional":true},{"name":"Redux Toolkit","optional":true}],"status":"live","first_seen_at":"2026-10-07T13:09:52Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-09T22:50:12Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About Double\nBookkeepers today are stuck working in excel spreadsheets and homegrown project management solutions to support their clients. Double is on a mission to change that.\nWith our all-in-one tool, bookkeepers can manage their work, communicate with clients, catch hard-to-find errors, and deliver reports to help their small business customers make smarter strategic decisions.\nFounded in 2021, Double has raised $12M in funding, backed by leading tech investors like Y Combinator and founders at top startups like Lattice, Front, Superhuman, Plaid, and more. Double currently helps thousands of bookkeepers and accountants manage the books for startups and small businesses across the US.\nWe're growing fast, and we're looking for a Senior Full Stack Engineer to accelerate our product and help our customers better serve their small business clients.\nOur team\nhttps://getjensen.notion.site/About-our-team-4bbfdf46f6834d42879a96495ccf7242\nWhat You'll Do\nShip software to prod on a daily basis with coding agents\n\nInfluence UX through product engineering\n\nCollaborate with a high performing EPD team\n\nWho You Are\nHave a track record of shipping systems that solved a hard problem, not just shipped on time - e.g. you built the thing that made your team 5x faster, or the internal tool nobody thought was possible\n\nOperate with high agency: you identify what needs to be done and drive it forward without waiting to be told to\n\nHave found yourself wondering \"why isn't this moving faster?\" in previous roles - and then have done something about it\n\n4+ years of demonstrable experience architecting and developing applications with Node\n\nDemonstrable experience writing type-safe code with TypeScript\n\nStrong ES6 Experience\n\nExperience using agents to ship to production\n\nExperience building applications with React and Node\n\nExperience with TypeORM is a plus\n\nExperience with TanStack Query is a plus\n\nStack\nFront-end: React + Redux Toolkit/React Query (Typescript)\n\nBack-end: Node.js + Express (Typescript), TypeORM, Postgres\n\nBenefits\nCompetitive pay and equity\n\nUnlimited PTO\n\nDouble provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity, or gender expression. We are committed to a diverse and inclusive workforce and welcome people from all backgrounds, experiences, perspectives, and abilities.","description_format":"text","description_chars":2472,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Unlimited PTO"],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"},{"name":"São Paulo","iso":null,"kind":"city"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T15:26:53Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":29,"reasons":["conf:2","win:early"],"computed_at":"2026-10-09T06:01:00Z"},"pay":{"stated_usd_annual":160000,"is_top_pay":false},"html_url":"https://alion.io/job/double-senior-fullstack-engineer-br-based-only","json_url":"https://alion.io/job/double-senior-fullstack-engineer-br-based-only.json","meta":{"generated_at":"2026-10-10T01:26:13Z","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","counted_by":"address","units_charged":1,"used_today":2525,"day_limit":5000,"remaining_today":2475,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"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":23808},"rest":"https://alion.io/mcp/rest/get_company?id=23808"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdouble-senior-fullstack-engineer-br-based-only"},{"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%2Fdouble-senior-fullstack-engineer-br-based-only"},{"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%2Fdouble-senior-fullstack-engineer-br-based-only"},{"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/double-senior-fullstack-engineer-br-based-only\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdouble-senior-fullstack-engineer-br-based-only"}]}