Data Engineer
Posted 5 Oct 2026
Advertised as “Junior Data Engineer - Tieto Tech Consulting (m/f/d)”
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- Individual contributor
- Employment
- Hybrid
- Contract
- Full-time
No salary listed for this role.
Job Description
Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic quality, local presence, and global-scale operations, we are backed by 8,500+ IT professionals. Our clients trust us for advanced data and analytics skills, top industry-specific expertise, specialized software R&D, and the capabilities of a multinational team. We are part of Tieto, a leading technology company with an annual revenue of approximately EUR 2bn.
Tieto Tech Consulting’s team in Bulgaria consists of 500+ professionals specializing in the development of tailored digital solutions in diverse industries.
Key responsibilities
- Building and maintaining data pipelines using Databricks, SQL, Python, and PySpark
- Supporting the migration of existing data processes and legacy solutions to modern cloud platforms
- Transforming, validating, and reconciling data from various business systems
- Contributing to Lakehouse solutions based on Bronze, Silver, and Gold data layers
- Helping ensure data quality, consistency, and reliability
- Troubleshooting and supporting existing data pipelines and integrations
- Working closely with senior engineers, architects, analysts, and customer teams
- Participating in Agile development processes and team ceremonies
- Learning and applying engineering best practices, including version control and automation
- Continuously developing your technical knowledge and expertise in modern data technologies
Required experience & qualifications
- Good understanding of SQL
- Basic experience with Python
- Understanding of ETL/ELT concepts and data integration processes
- Exposure to Databricks, Apache Spark, or PySpark
- Understanding of data warehousing and data modeling concepts
- Good problem-solving skills and attention to detail
- Strong communication skills and willingness to collaborate in a team environment
- Professional working proficiency in English
A significant advantage would be
- Experience in data engineering, software development, analytics, or a related area
- Familiarity with Azure cloud services
- Understanding of Lakehouse architecture or Delta Lake concepts
- Experience using Git
- Knowledge of CI/CD practices