Senior Data Engineer (SQL/C#)

About the role

We are seeking an experienced Senior Data Engineer to join our expanding team in Sofia. This full‑time hybrid position focuses on designing and delivering key components of our data platform.

Key responsibilities

• Contribute to solution design and architecture for data engineering, database, and ETL components.
• Build and maintain scalable data pipelines using C#/.NET and cloud services.
• Develop, optimize, and manage SQL Server objects such as schemas, stored procedures, and indexes.
• Deploy and optimize cloud‑based data solutions on Azure or AWS, including infrastructure‑as‑code practices.
• Collaborate with cross‑functional teams, mentor junior engineers, and participate in code reviews.
• Write testable, maintainable code and support quality‑assurance processes.

Required profile

• 7+ years of professional experience in data engineering, database development, and software development.
• Bachelor’s degree in Computer Science, IT, or equivalent practical experience.
• Strong communication skills in English.

Required skills

• Microsoft SQL Server (query writing, optimization, stored procedures, indexing, backup/recovery, high‑availability).
• C# and .NET ecosystem for building production applications and ETL components.
• Cloud platforms: Azure or AWS.
• ETL process design and data pipeline development.
• Source control (Git) and CI/CD pipelines.
• Agile/Scrum methodologies, Jira, Confluence.