{"id":2111598,"url":"https://alion.io/job/jit-team-allegro-java-backend-engineer","title":"Allegro - Java Backend Engineer","company":{"id":53531,"name":"Jit Team","domain":"jit-team.com","url":"https://alion.io/company/jit-team","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":97,"open_postings":29,"ghost_share":0,"stale_share":0.138,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":{"min":800,"max":1200,"currency":"PLN","period":"day","gross":null,"usd_annual":76750},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"GCP","optional":true},{"name":"Kotlin","optional":true}],"status":"live","first_seen_at":"2026-07-29T19:02:45Z","employer_posted_date":"2026-07-29","last_verified_at":"2026-10-10T22:30:30Z","board_verified":true,"closed_at":null,"days_open":73,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":73},"description":"Stawka: 800-1200 pln/md na B2B\nTryb pracy: Praca zdalna z kwartalnymi przyjazdami do Warszawy/Poznania\nDlaczego warto wybrać ten projekt?\nMożliwość pracy w nowoczesnej architekturze mikroserwisowej\n\nWspółpraca z interdyscyplinarnym zespołem (produkt, dane, UX)\n\nRozwój techniczny w backendzie oraz projektowaniu systemów skalowalnych\n\nProjekt\nProjekt koncentruje się narozwoju systemu Ofert Promowanych, którego celem jest zwiększenie efektywności sprzedaży oraz widoczności ofert. Zakres prac obejmuje budowę mechanizmów automatycznej rekomendacji ofert o wysokim potencjale sprzedażowym oraz systemów informujących sprzedawców o skuteczności kampanii promocyjnych. Dodatkowo projekt zakłada rozwój funkcjonalności na rynkach międzynarodowych oraz transformację architektury w kierunku Domain Driven Design.\nOczekiwana wiedza i kompetencje\nZnajomość języka programowania Java\n\nDoświadczenie w pracy w architekturze mikroserwisowej\n\nUmiejętność projektowania i rozwijania architektury systemów\n\nDoświadczenie w tworzeniu i utrzymywaniu backendu oraz API\n\nZnajomość języka angielskiego na poziomie B2+\n\nMile widziane\nZnajomość języka Kotlin\n\nZnajomość rozwiązań chmurowych (preferencyjnie GCP)\nDo Twoich obowiązków należeć będzie\nProjektowanie, tworzenie, testowanie i utrzymywanie wysokiej jakości kodu dla usług backendowych, API oraz skryptów automatyzacji\n\nProjektowanie i rozwój architektury nowych systemów oraz usprawnianie istniejących rozwiązań\n\nPraca w architekturze mikroserwisowej\n\nWspółpraca z zespołami produktowymi, analitykami danych, UX oraz innymi inżynierami w celu doprecyzowania wymagań\n\nKoordynowanie zadań w ramach projektów zespołowych\n\nDostępność na on-calle (2 tygodnie co kwartał)\nTechnologie, z którymi będziesz pracować\nJava\nKotlin\nMikroserwisy\nDDD\nAPI\nGCP\nKlient - dlaczego warto wybrać tego klienta z portfolio Jit?\nOur Client dominates the Polish e-commerce arena as the market leader since 1999. With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies.\nJit Team has had a successful partnership with our Client since spring 2021, with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services.\nWorking with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale, where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience.\nO Jit Team\nThe Human Factor of IT- it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.\nBehind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity.By supporting local initiatives, we contribute to the circulation of good energy.","description_format":"text","description_chars":3976,"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":["Professional development"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce"],"lifecycle":[{"event":"open","at":"2026-10-08T22:32:29Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.314,"p_room":0.28,"age_days":72,"expected_fill_days":30,"reasons":["conf:0","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":76750,"is_top_pay":false},"html_url":"https://alion.io/job/jit-team-allegro-java-backend-engineer","json_url":"https://alion.io/job/jit-team-allegro-java-backend-engineer.json","meta":{"generated_at":"2026-10-10T23:05:16Z","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":"assistant_verified","counted_by":"address","units_charged":1,"used_today":5027,"day_limit":null,"remaining_today":null,"minute_limit":300,"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":53531},"rest":"https://alion.io/mcp/rest/get_company?id=53531"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjit-team-allegro-java-backend-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%2Fjit-team-allegro-java-backend-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%2Fjit-team-allegro-java-backend-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/jit-team-allegro-java-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjit-team-allegro-java-backend-engineer"}]}