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Senior Data Engineer

Zenitech
Cluj-Napoca, Romaniafull_timeVerifiedPosted 9 Sept 2025

About the role

The Role

We are seeking a Senior Data Engineer to build and maintain scalable data pipelines and infrastructure. The ideal candidate will have strong hands-on experience with cloud data technologies and modern data engineering practices.


What you will do

    Main responsibilities (coding/maintenance/bug fixing/meetings/other):

    • Data Pipeline Development
      • Build and maintain ETL/ELT pipelines using AWS Glue and Python
      • Implement incremental data ingestion and batch data processing workflows
      • Develop Change Data Capture (CDC) solutions using AWS DMS and Kafka
      • Create data transformation components in dbt for data conformance and quality

    • Cloud Data Infrastructure
      • Deploy and manage data infrastructure using AWS services
      • Set up and maintain streaming data pipelines with Kafka
      • Configure and optimize Snowflake data warehouse environments
      • Implement Infrastructure as Code using Terraform
    • Database Management&Integration
      • Work with multiple database systems including PostgreSQL, MySQL, and MS SQL Server, Snowflake
      • Perform Snowflake performance tuning and optimization
      • Implement database connectivity and data movement solutions
      • Manage data modeling for analytical workloads
    • Monitoring & Operations
      • Implement monitoring and alerting for data pipelines
      • Troubleshoot data quality issues and pipeline failures
      • Manage secrets and credentials using AWS Secrets Manager
      • Ensure data security with encryption and access controls

Future Growth Opportunities:

  • Opportunity to evaluate and implement Snowflake OpenFlow as a potential replacement for AWS DMS.
  • Participation in architecture decisions and platform evolution.
  • Growth path toward data architecture responsibilities. 

Requirements

  • Technical Skills
  • Programming: Strong Python and SQL skills
  • Cloud: Hands-on AWS experience, particularly with AWS Glue and AWS DMS
  • Data Warehouse: dbt, Snowflake experience, including performance optimization
  • Databases: Working knowledge of PostgreSQL, MySQL, MS SQL Server
  • Streaming: Experience with Kafka for real-time data processing
  • Infrastructure: Terraform
  • DevOps: Understanding of CICD pipelines and Infrastructure as Code

  • Data Engineering Experience
    • 4+ years of data engineering experience
    • Strong background in ETL/ELT pipeline development
    • Experience with CDC and real-time data integration
    • Knowledge of data modeling and warehouse design principles
    • Experience with batch and incremental data processing (SCD)
    • Familiarity with GraphQL APIs
    • Experience with AWS Secrets Manager
    • Knowledge of data governance and access control practices
    • Understanding of monitoring and operational best practices

What we offer

  • Hybrid/flexible working model and flexible working hours
  • Private Medical and/or Health Insurance (location dependent)
  • Length of Service Awards
  • Referral programme
  • The option of a cafeteria package, meal tickets, or team lunches (location dependent)
  • A culture of continuous growth, supported by our People Lead system and various training resources for your personal development
  • Agile mindset, simplified processes, and a great atmosphere where commitment and autonomy are celebrated
  • A community-first mindset, working with talented people across technology products and consulting
  • Charity events and programs

Additional benefits based on location:

Hungary:

Extensive cafeteria package tailored to your needs (including SZÉP card)

Romania:

Bookster library subscription, and the opportunity to work from abroad (max. 60 days per annum)

(*) As we hire permanent employees for this role, we offer remote opportunities only in Romania and Hungary.

Abou

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Company

Zenitech

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