ETL Developer / Data Engineer
We are looking for a skilled ETL Developer / Data Engineer to design, maintain, and operate robust data pipelines in a production environment. This role requires strong hands-on expertise, a proactive mindset, and true ownership of data workflows.
- Key Responsibilities
Design, develop, and maintain ETL pipelines for large-scale data processing
Monitor, troubleshoot, and optimize existing ETL jobs and data flows
Work closely with stakeholders to understand data requirements and ensure data quality
Take full ownership of assigned data pipelines from development to production support
Proactively identify performance, reliability, and scalability improvements
Operate and maintain systems in an on-site production environment
- Core Technical Requirements
Strong experience in ETL development and maintenance
Solid Linux system knowledge (processes, logs, cron, troubleshooting)
Strong understanding of database systems and SQL
Deep programming experience in C# and Python
Experience with data modeling and query performance tuning
- Nice to Have / Bonus Skills
Experience with .NET Core
Hands-on experience with Apache Airflow
Experience working with ClickHouse
Background in telecom systems or telecom data
Experience with Oracle Database (PL/SQL, performance tuning, partitioning)
- Personal Attributes
Proactive, solution-oriented mindset
Strong ownership mentality and accountability
Ability to work independently and take initiative
Comfortable operating in production-critical environments
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