Sr. Data Engineer - Snowflake & ADF/Nexla - Tieto Tech Consulting (m/f/d)

About the Position

We are seeking a skilled professional with a hybrid role combining Data Engineering and ETL Testing expertise. The candidate will be responsible for designing, building, and validating data pipelines using Snowflake & Azure Data Factory (ADF)/Nexla, while ensuring high data quality through rigorous ETL testing practices.

Responsibilities

• Design, develop, and maintain scalable, reliable data pipelines to extract, transform & load from various sources, using ADF/Nexla
• Build scalable data solutions leveraging Snowflake cloud data warehouse
• Ensure data quality, integrity, and security throughout the software development lifecycle
• Perform data validation, data reconciliation, and source-to-target testing
• Identify data quality issues, mismatches, and inconsistencies
• Conduct regression and integration testing for data pipelines
• Work on data-related technical challenges while collaborating with stakeholders

Requirements

• Bachelor’s degree in computer science, Software Engineering, or a related field
• 5+ years of proven experience in data engineering, data integration, and ETL development & Testing
• Strong experience in Snowflake & ADF/Nexla
• Proficient in SQL for querying and validation
• Knowledge of data warehouse design principles and dimensional modeling
• Understanding of data transformation and validation techniques
• Experience in writing clear, concise, and comprehensive test cases
• Experience working in an Agile/Scrum development process
• Familiarity with version control systems (e.g., Git)
• Excellent problem-solving and analytical skills
• Strong communication and collaboration abilities
• Attention to detail and a commitment to delivering high-quality software

Nice to Have

• Knowledge of Python & Data Visualization tools
• Familiarity with US Health Insurance domain
• Understanding of CI/CD pipelines
• Certifications or relevant training in data engineering or cloud computing technologies

We Offer

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

About the Company

We are Tieto - A leading software and technology consulting company. We provide customers across different industries with mission-critical solutions through our specialized software businesses Tieto Caretech, Tieto Banktech, and Tieto Indtech, as well as Tieto Tech Consulting business. Our around 14,000 talented vertical software, design, cloud, and AI experts are dedicated to empowering our customers to succeed and innovate with the latest technology.

Tieto’s annual revenue is approximately EUR 2 billion. The company’s shares are listed on the NASDAQ exchange in Helsinki and Stockholm, as well as on Oslo Børs.