Senior Big Data Developer

New
Remotely within PolandFull-TimeSenior
Salary not disclosed
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Job Details

Languages
English (B2+)
Experience
5+ years
Required Skills
PythonSQLETLGCPJavaMongoDBAmazon Web ServicesAzureCassandraSparkJSONScalaDatabricks

Requirements

  • Bachelor’s degree in Computer Science, Mathematics or related technical field
  • 5+ years experience in software development with Big Data technologies
  • Advanced knowledge of Python, Scala, or Java
  • Proficient with Spark and Databricks
  • Experience with cloud platforms such as Azure, Google Cloud Platform, Amazon Web Services
  • Demonstrated experience with big data models, databases, and tools
  • Strong understanding of different data file formats like JSON, Parquet, Avro
  • Hands-on experience with SQL and NoSQL databases, including Cassandra and MongoDB
  • Proficiency in data warehousing solutions, ETL processes
  • Proven ability to work within a fast-paced, team-oriented environment
  • Detail-oriented with excellent analytical and problem-solving skills
  • Knowledge of software development methodologies and best practices
  • Exceptional oral and written communication skills in English (B2+)

Responsibilities

  • Implement data ingestion from diverse sources utilizing technologies including RDBMS, REST HTTP API, flat files, Streams, Time series data, SAP
  • Research and utilize Big Data technologies for effective data ingestion
  • Process and transform data using tools such as Spark and various Cloud Services
  • Understand and execute project-specific business logic through programming languages supported by the primary data platform
  • Optimize data retrieval, develop dashboards, and perform data validation
  • Collaborate with diverse teams including data scientists, analysts, and IT professionals
  • Provide thought leadership on Big Data best practices and technology trends
  • Maintain and ensure integrity and security of big data sources and platforms
  • Perform troubleshooting, debugging, and upgrading of big data systems and applications
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