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Salary
≈ $23k – $62k per year (Estimated)
Location
In office (Sofia)

First seen by Alion on Oct 20, 2026.

Overview
Company
Impact
Profile match
A1 Bulgaria is a telecommunications operator offering mobile and fixed services, the latest smartphones and devices, as well as digital, business and financial services, with online purchasing. Its Competence Delivery Center in Sofia hires AI architects, site reliability engineers, cloud optimization engineers, QA engineers and software asset management leads to support the group's operations. The company is headquartered in Sofia, Bulgaria.

Strength. Care. Growth

Did you know that A1 Bulgaria is working on international projects as well?
Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.
State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.

You’ll know A1 Bulgaria is the right place for you if you are driven by:

  • Opportunities to learn and build your career;
  • Meaningful work in a stable and fast-paced company;
  • Diversity of people, projects, and platforms;
  • A supportive, fun, and inspiring place to work.

Would you like to join us?

Tenyu Stoynov is looking for a new team member.

As a Data Warehouse SQL Developer, you’ll play a pivotal role in implementing and refining our corporate Data Warehouse system during a crucial phase of technological advancement.

Your daily routine would include:

  • Implementation and support the corporate Data Warehouse system;
  • Developing ad-hoc report queries;
  • Following the standard development process in the company;
  • Database development – relational or dimensional data models.

We’ll know you can make it if you have:

  • Knowledge in ANSI SQL programming, preferably T-SQL;
  • Analytical skills and ability to translate user requirements into models and processes;
  • Communicative, responsible personality, willing to study and advance in new technologies;
  • Fluently in both spoken and written English.

The following skills will be considered an advantage:

  • Knowledge of ETL tools e.g. IBM DataStage, Microsoft SSIS, SAP Data Services;
  • Knowledge and/or experience with Ab Initio and/or Teradata SLJM is a strong benefit;
  • Knowledge of Reporting and Analysis Tools e.g. MS SSRS, SAP BO, Power BI, Qlikview;
  • Knowledge of Teradata and/or MS Azure;
  • Experience in generic software development;
  • Good command in both spoken and written German.

Our gratitude for the job done will be eternal, but we’ll also offer you:

  • Innovative technologies and platforms to “play” with;
  • Modern working environment for your comfort;
  • Friendly, ambitious, and motivated teammates to support each other;
  • Thousands of online and in-person learning opportunities to grow;
  • Challenging assignments and career development opportunities in multinational environment;
  • Attractive remuneration package;
  • Flexible working schedule and opportunity for home office;
  • Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc.

Not sure yet? See us in action in our A1 Blog.
Sounds good? Apply now!

Only shortlisted candidates will be contacted.

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