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Data Engineer (Senior Solution Designer) for Big Data

Deutsche Telekom IT Solutions Slovakia

Place of work
Košice, Slovakia (Job with occasional home office)
Contract type
Start date
Wage (gross)
From 1 900 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 1900 EUR/brutto.

Information about the position

Job description, responsibilities and duties

General description
• Maintenance, improvement, cleaning, and manipulation of data in the business’s operational and analytics tools
• Leads innovation through exploration, benchmarking, making recommendations, and implementing big data technologies
• Explore and implement new technologies within area of Cloud based Big Data solutions, like Databricks, Data Warehouse, Confluent, Spark, HD Insight, etc..
• Enabling and running data migrations across different technologies and platforms
• Build stable, scalable, and repeatable data-driven products
• Perform, coordinate and improve most complex activities (3rd level environment) needed to provide IT services and the supporting infrastructure in order to fulfill relevant KPI’s

• Design, develop, test, implement and support big data cloud based application in order to deliver company quality standard cloud product portfolio
• Build and develop concepts, processes and methods for automation, optimization and standardization to satisfy T-Systems efficiency and automation requirements
• Analyze complex data elements and systems, data flow, dependencies, and relationships in order to contribute to conceptual physical and logical data models
• Testing and validation in order to support the accuracy of data transformations and data verification used in machine learning models
• Managing the life cycle of multiple database tools by enabling smooth upgrades and/or installation and support of new capabilities
• Contribute to the development of the capacity planning function to properly identify needed hardware, software, database configuration / architecture to support application / business needs
• Designs, builds, verifies, implements and maintains the structure of databases to support business needs including integration of vendor database solutions into data environment
• Data munging, manipulation, cleansing and blending from multiple data sources and exposure to various data types and storage paradigms
• Working with data to solve business problems and will build and maintain the infrastructure to answer questions with data
• Provide project deliverables in order to fulfil the project scope
• Mentor developers to spread knowledge level in the team and develop their skills
• May provide consulting services to project teams on areas of expertise
• Researches development in assigned technology, determines business requirements, proposes changes and develop implementation plans

Requirements for the employee

Candidates with education suit the position

University education (Bachelor's degree)
University education (Master's degree)

Language skills

English - Advanced (C1)

Personality requirements and skills

Special technical skills
• programming languages (Python,R, Scala_
• Cloud PaaS solution with BigData area (Azure, or AWS)
• application engineering & Linux OS,
• Knowledge of data processing methods (Hadoop, Kafka, Spark)
• Overview of distributed file systems, SQL and NoSQL Databases
• Knowledge about Data streaming, Data warehousing
• Background about cloud products in range of data processing
• Capability of communicating effectively with business and data science leaders on project status, timeline and technical results

• 3-5 years’ experience in the area of responsibility , valid certification in given technology

• English C1,
• German - advantage

• Strong presentation skills,
• Project leadership skills
• Valid certification in given technology


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
ID: 3878649  Datum zveřejnění: 17.2.2023  Spodní hranice mzdy (brutto): 1 900 EUR/month