{"id":2123939,"url":"https://alion.io/job/upvanta-spark-data-lakehouse-developer","title":"Spark / Data Lakehouse Developer","company":{"id":1332,"name":"Upvanta","domain":"upvanta.com","url":"https://alion.io/company/upvanta-sp-z-o-o","size_band":"51-200","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"contractor","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":null,"salary_estimate":{"min_usd":51000,"max_usd":90000,"period":"year","method":"role_country_seniority_unknown","sample_n":361},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache 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Lakehouse.\n\nOczekiwania\nmin. 4 lata doświadczenia z Apache Spark,\n\nbardzo dobra znajomość PySpark i Spark SQL,\n\ndoświadczenie z MongoDB i MongoDB Spark Connector,\n\npraktyczna znajomość Apache Iceberg,\n\ndoświadczenie w budowie warstw Data Lakehouse: raw/bronze/silver/gold,\n\nznajomość CI/CD i Jenkins,\n\nznajomość Prometheus i Grafana,\n\ndoświadczenie w Scrum/Kanban oraz pracy z Jira/Confluence.\n\nWymagania\numiejętność optymalizacji procesów Spark,\n\ndoświadczenie w rekoncyliacji i kontroli jakości danych,\n\nznajomość partitioningu, caching, broadcast joins i AQE,\n\ndoświadczenie w pracy z dużymi zbiorami danych,\n\nsamodzielność i analityczne podejście do rozwiązywania problemów,\n\numiejętność współpracy z zespołami Data, QA i DevOps.\n\nOferujemy\npracę przy nowoczesnej platformie Data Lakehouse,\n\nudział w ciekawych projektach związanych z dużymi zbiorami danych,\n\npracę z nowoczesnym stackiem: Spark, MongoDB, Iceberg, Kubernetes, Prometheus, 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