{"id":3283232,"url":"https://alion.io/job/fakturownia-midsenior-backend-developer","title":"Mid/Senior Backend Developer","company":{"id":53511,"name":"Fakturownia","domain":"fakturownia.pl","url":"https://alion.io/company/fakturownia","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":96000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":352},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"GitHub","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"MySQL","optional":false},{"name":"PHP","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Ruby","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"SQL","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"Vue.js","optional":false},{"name":"Angular","optional":true},{"name":"React.js","optional":true},{"name":"TypeScript","optional":true},{"name":"Vite","optional":true},{"name":"Webpack","optional":true}],"status":"live","first_seen_at":"2024-04-23T10:03:35Z","employer_posted_date":"2024-04-23","last_verified_at":"2026-10-28T20:20:59Z","board_verified":true,"closed_at":null,"days_open":918,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":917},"description":"Zapraszamy do naszego dynamicznego zespołu!\nFakturownia to polski system do fakturowania, który od 2010 roku nieustannie ewoluuje i rozszerza swoje działania na europejskie rynki. Poszukujemy osoby, która chce być częścią naszej misji ułatwiania życia przedsiębiorcom na całym świecie. Z ponad 200 tysiącami klientów codziennie korzystającymi z naszego systemu, jesteśmy dumnym liderem na polskim rynku Saas. Teraz chcemy podjąć wyzwanie globalnej ekspansji, a Ty możesz być kluczowym elementem tego sukcesu. Dołącz do nas, aby wspólnie tworzyć wyjątkowe rozwiązania i przyczynić się do dalszego wzrostu i rozwoju naszej firmy!\nTechnologie, w których pracujemy:\nRuby on Rails, MySQL / PostgreSQL, AWS,\nJavaScript, Tailwind / jQuery / Vue, ES6.\nCzego oczekujemy:\ndoświadczenia w pisaniu aplikacji internetowych (Ruby, Python, PHP, JavaScript)\ndobrej znajomości SQL (MySQL, PostgreSQL)\nchęci do nauki Ruby on Rails (jeśli nie znasz :))\ndoświadczenie z pracą z VCS (git/github),\nMile widziane:\ndodatkowym atutem będzie doświadczenie w technologiach ze stosu technologicznego lub pokrewnych frontendowych (Angular, React, Webpack, Vite, jQuery)\nCo dajemy od siebie:\nPracę z aktualnymi technologiami przy rozwoju jednego z najpopularniejszych programów do faktur i zarządzania firmą w Polsce,\nmentoring, wsparcie nie tylko na etapie wdrożenia od doświadczonych specjalistów,\nmożliwości rozwoju w preferowanym kierunku/obszarze (w przyszłości tworzenie/współtworzenie własnych projektów z opcją equity),\natrakcyjne wynagrodzenie w zależności od doświadczenia,\ndowolną formę zatrudnienia (np. UoP, umowa zlecenie lub B2B),\nmożliwość wyboru potrzebnego sprzętu i akcesoriów do pracy,\nmożliwość skorzystania z pakietu medycznego i karty Multisport,\natrakcyjne biuro na Powiślu z widokiem na Wisłę (przy stacji metra Centrum Nauki Kopernik) - dla chętnych,\n(do)finansowanie wybranych przez Ciebie szkoleń.\nCodzienne obowiązki:\nJako programista w Fakturowni:\nw przypadku zespołu Core - będziesz kontaktować się tylko z Helpdeskiem Fakturowni (brak bezpośredniego kontaktu z klientem)\nbędziesz uczestniczyć w krótkim daily oraz dłuższym weekly call,\nbędziesz codziennie komunikować się z zespołem,\nbędziesz rozwiązywać przydzielone zadania (utrzymanie obecnych funkcjonalności, tworzenie nowych, debugowanie, pisanie testów itp).","description_format":"text","description_chars":2317,"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":[{"language":"Polish","level":"Advanced (C1)","optional":false}]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Mobile Games"],"lifecycle":[{"event":"open","at":"2026-10-26T17:30:34Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.203,"p_room":0.28,"age_days":917,"expected_fill_days":28,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/fakturownia-midsenior-backend-developer","json_url":"https://alion.io/job/fakturownia-midsenior-backend-developer.json","meta":{"generated_at":"2026-10-28T23:28:07Z","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":32094,"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":53511},"rest":"https://alion.io/mcp/rest/get_company?id=53511"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffakturownia-midsenior-backend-developer"},{"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%2Ffakturownia-midsenior-backend-developer"},{"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%2Ffakturownia-midsenior-backend-developer"},{"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/fakturownia-midsenior-backend-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffakturownia-midsenior-backend-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3283232}},{"tool":"search_jobs","arguments":{"company":"fakturownia.pl","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3283232},"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"}}