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Data Warehouse Developer (Finance and Controlling)

Deutsche Telekom IT Solutions Slovakia

Information about the position

  • Place of work: Košice
  • Basic wage component (gross) and other rewards: 1 800 - 2 100 EUR/monthFinal salary is negotiable. We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 1800 EUR/brutto.
  • Start date: ASAP
  • Contract type: full-time

Job description, responsibilities and duties

Business Intelligence back-end developer’s main duty is daily support of BI data delivery in environment built on MS-BI stack technologies, mainly Integration Services (SSIS), as part of an international agile team delivering BI solutions to internal customers in area of finance, controlling and HR .

Key accountabilities
• Development of back-end capabilities in environment built on MS-BI stack technologies, mainly Integration Services (SSIS).
• Creating Data Warehouses, data marts, building ETL for data warehouses, SSIS packages.
• Working with MS SQL Server: creating databases, stored procedures, functions, triggers, troubleshooting, SQL Agent jobs, maintenance and security.
• Gather and process raw data from multiple disparate sources (including writing scripts, write SQL queries, utilizing SSIS, etc.) into a form suitable for analysis.
• Design, develop, test and document scripts to purge old data, convert data and manage security & user access.
• Cooperation with other units – technical bridge between Finance & Controlling and IT division.

Employee perks, benefits

• Possibility of Teleworking or Home office
• Cafeteria - individual financial benefit
• Trainings and development opportunities (Coursera, Percipio full access for free)
• Pension savings contribution
• Extra vacation days
• Referral bonus /financial/
• Discounts at various providers in Košice
• Team buildings online
• Work-life Program and Coaching
• Health Weeks
• Sport Activities
• Weekend Events
• Doctors at workplace
• Credit card
• Rotations possibilities

Requirements for the employee

Candidates with education suit the position

University education (Master's degree)

Language skills

English - Upper intermediate (B2) or German - Elementary (A2)

The position is suitable for a fresh graduate


Personality requirements and skills

• University education in Information Technology / Economics (ideally with focus on subject matter)

• 2+ years of working experience of back-end development experience, all seniority levels are considered

• English B2+
• German A2+ is an advantage

• Understanding of ETL logic & data warehousing principles.
• Previous experience with ETL tools is an advantage.
• Ability to design tables, data-marts, and/or databases to suit reporting needs.
• SQL scripting on advanced level.
• Experience with dashboards, reports and KPIs
• Work experience in a Shared Service Centre is a benefit.
• High attitude towards quality and accurateness, strong sense of responsibility.
• Ability to work both independently and as part of a team in Agile / Scrum mode.
• Willingness to work in an international environment / cultural sensitivity.
• Customer orientation.


Brief description of the company

Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in January 2006 under the name T-Systems Slovakia and has been inextricably linked with this region ever since. We proved this the very next year, when we became one of the founding members of Košice IT Valley association.

Over the last decade, we have managed to grow from scratch to being the second largest employer in the eastern part of the country. At the same time, with more than 3,900 employees, we are one of the top fifteen largest employers in Slovakia. Thanks to our highly qualified and motivated employees, we are the company with the fastest growth in added value within the IT industry in Slovakia. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative services.

The company under the brand T-Systems Slovakia s.r.o. has defined its mission as follows: "We give IT meaning".

As part of our strategic activities, we are transforming our company into a modern information and communications technology services provider stepping towards a future based on digital technologies. We implement these steps to move our business from a project-driven model (where we supply the required number of IT experts based on our customer's requirements) to an innovative and product-oriented company model (where we supply and manage products and services during their lifecycle at the customer).

We believe that such a transformation can succeed with the right employees who are constantly developing their skills and thus contributing to the professional image of our brand in the market.

Number of employees

1000 and more employees

Company address

Deutsche Telekom IT Solutions Slovakia
Žriedlová 13
040 01 Košice


Kontaktná osoba: Ing. Lenka Kiššová
E-mail: poslať životopis