Big Data Engineer at Sigma Software

Remote - Multiple locations

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Join the AdTech Competence Center at Sigma Software, a team of over 300 experts who deliver innovative, high-load, and data-driven advertising technology solutions. Since 2008, we’ve been helping leading AdTech companies and startups design, build, and scale their technology products. We focus on fostering deep domain expertise, building long-term client partnerships, and growing together as a global team of professionals who are passionate about AdTech, data, and cloud-based solutions.

Requirements

Experience

  • 2-4 years of experience as a Data Engineer or Back-end Developer

Skills

  • Python
  • SQL
  • PySpark
  • AWS
  • NoSQL databases
  • API integrations
  • analytical mindset
  • proactive problem-solving

Languages

  • English

Responsibilities

  • Develop and maintain ETL pipelines and data integration services using Python and SQL
  • Work with AWS services (S3, DynamoDB, Lambda, Glue) and NoSQL databases (MongoDB, DynamoDB)
  • Design, optimize, and validate data flows, ensuring data quality across systems
  • Collaborate with Senior engineers on architecture and performance improvements
  • Troubleshoot production data issues and perform root cause analyses
  • Contribute to the continuous improvement of development practices and performance monitoring

Technologies

PythonSQLPySparkAWSNoSQLMongoDBDynamoDBLambdaGlueAirflow

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