Spark Developer (Big Data) Hybrid – Warsaw

Join our team working on advanced Big Data solutions in an enterprise environment. We are looking for someone to help develop a platform based on Spark and Hadoop as part of one of our key projects.

Cooperation model: hybrid (remote + on-site in Warsaw office, 2 times per month)

Required Skills (must have):

• Minimum 2 years of professional experience in Spark 

• Technical background (IT/Engineering studies)

• Solid understanding of Big Data concepts, Data Warehousing, and Data Management

• Experience with Hadoop platforms (Cloudera/Hortonworks)

• Knowledge of engineering best practices for large-scale data processing: design standards, data modeling techniques, coding, documenting, testing, and deployment

• Hands-on experience with data formats: JSON, PARQUET, ORC, AVRO

• Understanding of database types and usage scenarios (Hive, Kudu, HBase, Iceberg, etc.)

• Advanced SQL skills

• Experience integrating data from multiple sources

• Familiarity with project/application build tools (e.g., Maven)

Nice to Have:

• Practical knowledge of Agile methodologies and tools (Jira, Confluence, Kanban, Scrum)

• Experience with Kubeflow

• Knowledge of streaming technologies such as Kafka, Apache NiFi

• Familiarity with CI/CD automation processes and tools

Margo Offers:

• Salary range per month or rate per day

• Permanent contract or B2B cooperation,

• Collaboration with highly skilled specialists in a large enterprise environment

• Co-financing trainings, certification exams and post-graduate studies,

• Internal training and the possibility of using our know-how

• Excellent working atmosphere, integration events.