{"id":2207881,"url":"https://alion.io/job/boosthire-senior-react-developer-2","title":"Senior React Developer","company":{"id":3905704,"name":"Boosthire","domain":"boosthire.com","url":"https://alion.io/company/boosthire","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":{"grade":"D","score":40,"open_postings":10,"ghost_share":1,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_company_offices","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["FR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Clean Architecture","optional":false},{"name":"GraphQL","optional":false},{"name":"JavaScript","optional":false},{"name":"Jotai","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Rest API","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Webpack","optional":false},{"name":"Zustand","optional":false},{"name":"Cypress","optional":true},{"name":"Jest","optional":true}],"status":"live","first_seen_at":"2025-07-09T00:00:00Z","employer_posted_date":"2025-07-09","last_verified_at":"2026-10-12T01:55:04Z","board_verified":true,"closed_at":null,"days_open":460,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":459},"description":"Why this role matters We’re building a next-generation SaaS platform used by thousands of professionals daily - and front-end experience is everything. From real-time dashboards to high-performance interfaces, we’re obsessed with usability and speed. We’re hiring a Senior React Developer who cares deeply about user experience, clean architecture, and elegant code. You’ll take the lead on front-end features, collaborate closely with product and design, and help scale our platform as we grow fast. What you’ll do Build, test, and ship React components for complex, data-rich UIs Collaborate with designers to turn prototypes into real, pixel-perfect features Optimize performance for speed and scalability across browsers and devices Own the frontend architecture - refactor, modularize, and guide improvements Contribute to component libraries, design systems, and accessibility practices Review code, mentor teammates, and help raise the bar on front-end quality Work closely with backend engineers to integrate APIs and shape data flowsRequirements Who you are 4-6+ years of experience in frontend development with deep React expertise Strong in JavaScript (ES6+), TypeScript, and front-end tooling (Webpack, Vite, etc.) Experience with state management (Redux, Zustand, Jotai, or similar) Comfortable working with REST/GraphQL APIs and async data handling Eye for detail in UX/UI and a bias for clean, maintainable code Proactive communicator who thrives in a collaborative product team Passionate about frontend performance, testing, and staying current with best practices Nice to have Experience in SaaS, B2B tools, or enterprise dashboards Familiarity with testing tools like Jest, React Testing Library, Cypress\nBenefits Why join us Build a product used daily by real customers, not vaporware A team that values code quality and developer experience Autonomy, zero micromanagement, and a supportive culture Competitive salary, equity options, and meaningful bonuses Flexible hours, remote-first setup, and a generous vacation policy Annual learning budget, wellness benefits, and real career growth","description_format":"text","description_chars":2110,"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","Generous vacation"],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing"],"lifecycle":[{"event":"open","at":"2026-10-10T00:28:41Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.109,"p_room":0.28,"age_days":458,"expected_fill_days":29,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/boosthire-senior-react-developer-2","json_url":"https://alion.io/job/boosthire-senior-react-developer-2.json","meta":{"generated_at":"2026-10-12T03:02:30Z","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":4521,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":3905704},"rest":"https://alion.io/mcp/rest/get_company?id=3905704"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fboosthire-senior-react-developer-2"},{"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%2Fboosthire-senior-react-developer-2"},{"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%2Fboosthire-senior-react-developer-2"},{"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/boosthire-senior-react-developer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fboosthire-senior-react-developer-2"}]}