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Senior Data Warehouse Developer (DWH, SQL, ETL)


In order to truly grow and be competitive in the fast-paced digital market we need to make sense of the enormous amounts of data passing through our network. And with your individual problem-solving abilities you can help us to create a new information-based A1.

What are we looking for?
Someone who wants to help build a new world in which technology plays a vital role. Who wants to learn and grow with our company so that these goals can be achieved.


In this role, you will:
  • Design and develop enterprise and departmental business intelligence and data warehousing solutions
  • Implement ETL processes in support of business analytics and reporting
  • Create source-to-target mapping specifications for ETL development
  • Hands-on experience in writing complex SQL and database performance tuning.
  • Support and improve production data integration system and environment.
  • Collaborate with the project stakeholders to support a data governance structure, policies and procedures.
  • Perform requirement Gap Analysis against existing design to determine required modifications

You need to have:
  • 4+ years of experience with data warehousing and/or large and complex database management systems, and SQL (ANSI)
  • Bachelor's degree in IT or related major 4+ years of hands-on experience in design and implementation of ETL (e.g. IBM DataStage is a plus)
  • Strong relational and dimensional data modeling and database design skills
  • ability and willingness to help us create visual current state diagrams for Conceptual, Logical and Physical DMs
  • Experience with Reporting Tools e.g. MS SSRS, SAP BO
  • Working with Data Modelling tool e.g. Power Designer is a plus
  • Good command in both spoken and written English

We offer:
  • Challenging assignments and career development opportunities in multinational environment;
  • Flexibility of working time and opportunity for home office.
  • Friendly atmosphere and motivated team of top-notch professionals to work with.
  • Opportunities for constant learning and career development via in-house and external certified training courses.
  • Attractive remuneration package and fringe benefits

Apply now!

If you need further information about the position please contact Tsveta Marinova /tsveta.marinova@a1.bg/.

The social benefits for this position are:


Deadline for applications: 21 December 2021
Only shortlisted candidates will be contacted.