{"id":2581689,"url":"https://alion.io/job/coinspaid-senior-frontend-engineer","title":"Senior Frontend Engineer","company":{"id":175563,"name":"CoinsPaid","domain":"coinspaid.com","url":"https://alion.io/company/coinspaid","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":86,"open_postings":7,"ghost_share":0,"stale_share":0.571,"repost_share":0,"time_to_fill_p50_days":43,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"JavaScript","optional":false},{"name":"Material UI","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2025-02-26T12:18:52Z","employer_posted_date":"2025-02-26","last_verified_at":"2026-10-30T14:53:53Z","board_verified":true,"closed_at":null,"days_open":611,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":609},"description":"Your future responsibilities and day-to-day tasks will be:\nDevelopment of new features and support of existing ones\nWork with complex business logic within fintech products\nImprovement and development of the project, including architecture, developer experience, codebase, etc\nParticipation in code review processes for the codebase and the application as a whole\nHave the opportunity to participate in the development of different products\nTasks estimation, participating in planning sessions\nRequired Skills & Background:\n4+ years experience as a Frontend developer in technologies JavaScript/Typescript and React\nExcellent knowledge of modern Javascript and Typescript (5+)\nSolid understanding and development experience in React 18+ and Redux (toolkit) ecosystem\nExperience in developing responsive web apps for desktop and mobile browsers with HTML, CSS, Material UI\nDeep understanding of modern web applications design architecture, good API design patterns, performance and scale\nDeep understanding and experience in creating software testing(unit, integration, components)\nStrong problem-solving skills and attention to detail\nAwareness of cross-browser compatibility issues and client-side performance considerations\nExceptional problem solving and ability to work independently\nExperience working in an Agile environment\nGood level of spoken and written English and Russian\nWould be a plus:\nKnowledge of security best practices in software development\nExperience working on fintech projects","description_format":"text","description_chars":1500,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"region"},{"name":"France","iso":"FR","kind":"region"},{"name":"United Kingdom","iso":"GB","kind":"region"},{"name":"Austria","iso":"AT","kind":"region"},{"name":"Belgium","iso":"BE","kind":"region"},{"name":"Bulgaria","iso":"BG","kind":"region"},{"name":"Croatia","iso":"HR","kind":"region"},{"name":"Czech Republic","iso":"CZ","kind":"region"},{"name":"Denmark","iso":"DK","kind":"region"},{"name":"Finland","iso":"FI","kind":"region"},{"name":"Hungary","iso":"HU","kind":"region"},{"name":"Ireland","iso":"IE","kind":"region"},{"name":"Italy","iso":"IT","kind":"region"},{"name":"Netherlands","iso":"NL","kind":"region"},{"name":"Norway","iso":"NO","kind":"region"},{"name":"Poland","iso":"PL","kind":"region"},{"name":"Romania","iso":"RO","kind":"region"},{"name":"Spain","iso":"ES","kind":"region"},{"name":"Sweden","iso":"SE","kind":"region"},{"name":"Switzerland","iso":"CH","kind":"region"},{"name":"Estonia","iso":"EE","kind":"region"},{"name":"Greece","iso":"GR","kind":"region"},{"name":"Iceland","iso":"IS","kind":"region"},{"name":"Latvia","iso":"LV","kind":"region"},{"name":"Liechtenstein","iso":"LI","kind":"region"},{"name":"Lithuania","iso":"LT","kind":"region"},{"name":"Luxembourg","iso":"LU","kind":"region"},{"name":"Malta","iso":"MT","kind":"region"},{"name":"Portugal","iso":"PT","kind":"region"},{"name":"Slovakia","iso":"SK","kind":"region"},{"name":"Slovenia","iso":"SI","kind":"region"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Crypto Payments"],"lifecycle":[{"event":"open","at":"2026-10-15T02:06:42Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.338,"p_room":0.28,"age_days":610,"expected_fill_days":43,"reasons":["conf:3","velocity","win:tail","crowd:"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/coinspaid-senior-frontend-engineer","json_url":"https://alion.io/job/coinspaid-senior-frontend-engineer.json","meta":{"generated_at":"2026-10-30T17:49:59Z","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":6603,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":175563},"rest":"https://alion.io/mcp/rest/get_company?id=175563"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcoinspaid-senior-frontend-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%2Fcoinspaid-senior-frontend-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%2Fcoinspaid-senior-frontend-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/coinspaid-senior-frontend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcoinspaid-senior-frontend-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2581689}},{"tool":"search_jobs","arguments":{"company":"coinspaid.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2581689},"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"}}