{"id":2149943,"url":"https://alion.io/job/weartech-senior-python-developer","title":"Senior Python Developer","company":{"id":4373365,"name":"WearTech","domain":"weartech.ai","url":"https://alion.io/company/weartech-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","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":["Wrocław, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":18000,"max":23000,"currency":"PLN","period":"month","gross":null,"usd_annual":70608},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"EMQX","optional":false},{"name":"FastAPI","optional":false},{"name":"Flask","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"MQTT","optional":false},{"name":"MySQL","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"TCP/IP","optional":false},{"name":"Erlang","optional":true}],"status":"live","first_seen_at":"2026-10-05T10:00:20Z","employer_posted_date":null,"last_verified_at":"2026-10-05T10:00:20Z","board_verified":false,"closed_at":null,"days_open":12,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":12},"description":"O nas\nWearTech dostarcza urządzenia i infrastrukturę subskrypcyjną dla ekosystemu smartwatchy (cWatch) i tabletów (cPanel), wykorzystywanych przez klientów z sektora retail i hospitality. Skalujemy nasz backend, żeby sprawnie obsłużyć rosnącą liczbę urządzeń, klientów i integracji.\nO roli\nSzukamy Senior Python Developera, który weźmie na siebie rozwój i optymalizację usług backendowych obsługujących komunikację urządzeń mobilnych: smartwatchy i tabletów. To rola głęboko techniczna — zależy nam na osobie, która potrafi samodzielnie projektować, implementować i utrzymywać wydajne mikroserwisy, a także rozwiązywać trudne problemy związane z warstwą sieciową i integracjami zewnętrznymi.\nZakres odpowiedzialności\n• Implementacja funkcjonalności backendowych.\n• Optymalizacja i rozwiązywanie problemów z łącznością (opóźnienia, zrywanie połączeń TCP, stabilność komunikacji z urządzeniami).\n• Integracja systemu z systemami zewnętrznymi klientów .\n• Utrzymanie i rozwój infrastruktury komunikacyjnej między urządzeniami a backendem.\n• Dbanie o jakość kodu — code review, testy, dobre praktyki inżynierskie.\n• Bliska współpraca z Tech Leadem i zespołem Android.\nWymagania (must-have)\n• Min. 4–5 lat komercyjnego doświadczenia backendowego.\n• Praktyczne, udokumentowane doświadczenie w projektowaniu systemów rozproszonych lub chmurowych.\n• Biegła znajomość Pythona oraz jednego z frameworków: FastAPI, Django lub Flask.\n• Biegłość w obsłudze baz relacyjnych (MySQL) i nierelacyjnych (Redis).\n• Dobra znajomość protokołu MQTT (QoS, retencja) oraz konfiguracji brokerów (Mosquitto, HiveMQ, EMQX).\n• Solidna wiedza z zakresu inżynierii sieciowej (routing, TCP/IP, load balancing).\n• Umiejętność pracy z Docker i Git, doświadczenie w środowisku chmurowym (AWS/GCP/Azure).\n• Wyższe wykształcenie techniczne (informatyka lub pokrewne).\n• Znajomość angielskiego min. B2.\nNice-to-have\n• Doświadczenie z projektami IoT i urządzeniami typu wearables.\n\nOferujemy\n• Pracę przy realnym produkcie z urządzeniami noszonymi w całej Europie.\n• Realny wpływ na architekturę i decyzje techniczne w projekcie.\n• Karta Multisport\nTech stack\nPython\nMicroservices\nfastapi\nDjango\nFlask\nPostgreSQL\nMQTT\nNetworking","description_format":"text","description_chars":2190,"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":[],"lifecycle":[{"event":"open","at":"2026-10-09T05:25:00Z"}],"visa":[],"liveness":{"score":76,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.846,"p_room":0.9,"age_days":11,"expected_fill_days":26,"reasons":["seen:11","velocity","win:mid"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":70608,"is_top_pay":false},"html_url":"https://alion.io/job/weartech-senior-python-developer","json_url":"https://alion.io/job/weartech-senior-python-developer.json","meta":{"generated_at":"2026-10-18T06:47:04Z","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":10078,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":4373365},"rest":"https://alion.io/mcp/rest/get_company?id=4373365"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fweartech-senior-python-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%2Fweartech-senior-python-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%2Fweartech-senior-python-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/weartech-senior-python-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fweartech-senior-python-developer"}]}