{"id":1141433,"url":"https://alion.io/job/in4ge-backend-engineer-javascala-apache-spark","title":"Backend Engineer (Java/Scala + Apache Spark)","company":{"id":2667034,"name":"In4Ge","domain":"in4ge.com","url":"https://alion.io/company/in4ge","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":95,"open_postings":231,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":128,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":94000,"period":"year","method":"role_country_seniority_unknown","sample_n":872},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Scala","optional":false},{"name":"Spark","optional":false},{"name":"Airflow","optional":true},{"name":"ElasticSearch","optional":true},{"name":"GCP","optional":true},{"name":"Hadoop","optional":true},{"name":"Maven","optional":true},{"name":"Python","optional":true},{"name":"Spring Framework","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-07-20T10:46:31Z","employer_posted_date":"2026-07-20","last_verified_at":"2026-10-13T05:35:34Z","board_verified":true,"closed_at":null,"days_open":84,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":84},"description":"Everything is possible with the right people\nIn4ge jest firmą rekrutacyjną, w której wierzymy, że wszystko jest możliwe dzięki odpowiednim ludziom. Naszym celem jest połączenie najbardziej utalentowanych pracowników z odpowiednimi firmami, tworząc synergiczne relacje, które przyczyniają się do wzrostu i sukcesu każdej ze stron. Uważamy, że prawdziwą wartość stanowią ludzie pracujący wspólnie w atmosferze wzajemnego szacunku i zaufania.\nPoszukujemy Backend Engineera, który ma praktyczne doświadczenie z Apache Spark oraz bardzo dobrze zna Javę lub Scalę.\nJeżeli lubisz projektować wydajne rozwiązania backendowe, pracować z dużymi zbiorami danych i rozwijać systemy działające w środowiskach rozproszonych - ta rola jest dla Ciebie.\nResponsibilities\nOczekujemy:\nbardzo dobrej znajomości Java lub Scala,\npraktycznego, komercyjnego doświadczenie z Apache Spark,\ndoświadczenia w projektowaniu i rozwoju aplikacji backendowych,\nznajomości Git.\nMile widziane:\nApache Hadoop (YARN, HDFS),\nSpring Framework,\nApache Airflow,\nSQL,\nElasticsearch,\nPython,\ndoświadczenie z Google Cloud Platform,\nMaven.\nRequirements\nZakres roli:\nprojektowanie i rozwój aplikacji backendowych w Javie lub Scali,\ntworzenie oraz rozwój rozwiązań opartych o Apache Spark,\noptymalizacja wydajności przetwarzania danych,\nwspółpraca z architektami, analitykami i zespołami developerskimi,\nudział w projektowaniu nowych funkcjonalności oraz rozwijaniu istniejących systemów,\ndbanie o jakość kodu oraz udział w code review.\nBenefits\nProponujemy:\nudział w długoterminowym projekcie,\nmożliwość pracy z nowoczesnymi technologiami i dużymi wolumenami danych,\nwspółpracę z doświadczonym zespołem specjalistów,\nhybrydowy model pracy,\nmożliwość rozwoju technicznego i zdobywania nowych kompetencji.","description_format":"text","description_chars":1757,"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":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-09-23T12:12:12Z"}],"visa":[],"liveness":{"score":51,"band":"ok","label":"Likely open","p_open":1,"p_active":0.71,"p_room":0.72,"age_days":84,"expected_fill_days":128,"reasons":["conf:0","velocity","win:mid","crowd:brand"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/in4ge-backend-engineer-javascala-apache-spark","json_url":"https://alion.io/job/in4ge-backend-engineer-javascala-apache-spark.json","meta":{"generated_at":"2026-10-13T07:46:12Z","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":11470,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":2667034},"rest":"https://alion.io/mcp/rest/get_company?id=2667034"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fin4ge-backend-engineer-javascala-apache-spark"},{"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%2Fin4ge-backend-engineer-javascala-apache-spark"},{"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%2Fin4ge-backend-engineer-javascala-apache-spark"},{"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/in4ge-backend-engineer-javascala-apache-spark\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fin4ge-backend-engineer-javascala-apache-spark"}]}