Vivacom, a member of United Group, is a leader in providing
high-tech telecommunication services of a new generation - mobile
and fixed voice services; high speed broadband internet access
through fiber optic, copper and satellite infrastructure; data
transmission services via the mobile and fixed networks; and
individual telecommunication solutions tailor-made for the
client.
We are seeking a motivated Data Engineer to join our dynamic
team.
RESPONSIBILITIES:
• Work with big data processing frameworks such as Apache Spark and
Apache Hadoop.
• ETL/ELT pipelines for data ingestion, transformation and storage
using Python library for Apache Spark (PySpark).
• Work with structured and unstructured data from multiple sources,
ensuring data quality and integrity.
• Assist in designing and maintaining storage solutions such as
data warehouses, data lakes.
• Write and optimize PySpark and SQL scripts for efficient data
extraction and processing.
• Collaborate with software engineers to integrate data solutions
into applications and workflows.
• Collaborate with business stakeholders to understand data needs
and provide support for ad-hoc data requests, ensuring timely
delivery of required datasets or reports.
• Monitor data pipelines for performance, failures, and
optimization opportunities.
• Assist in documentation of data models, business rules, and data
lineage to enhance transparency and maintainability using
Confluence.
• Occasionally contribute to data science tasks, such as
exploratory data analysis (EDA), feature engineering, or predictive
modelling when needed.
• Strong problem-solving skills to navigate complex business and
technical environments.
REQUIRED QUALIFICATIONS:
• Bachelor degree in Computer Science, Information Systems,
Statistics or a related technical field.
• Strong knowledge of SQL and experience working with
databases.
• Basic understanding of the programming language Python.
• Familiarity with ETL tools and frameworks such as Apache Airflow
or Talend.
• Understanding of data modelling, database design, and
normalization.
• Understanding of distributed data processing frameworks.
• Proficiency in English.
ANY OF THE FOLLOWING ABILITIES AND SKILLS WILL BE CONSIDERED AN
ADVANTAGE:
• Experience with version control systems (Git/Bitbucket) and
continuous deployment pipelines (CI/CD).
• Experience with data visualization tools such as Tableau, Power
BI or Python visualization libraries such as Matplotlib,
Seaborn.
• Ability to perform basic statistical analysis and hypothesis
testing.
• Familiarity with basic machine learning concepts such as
clustering, regression, classification, dimensionality
reduction.
• Experience in the marketing field or telecommunication
sector.
WHY JOIN US?
• Career development within one of the largest Bulgarian high-tech
and telecommunications companies.
• The highest volume, velocity and variety of data and data
structures on the market.
• Professional trainings for specific knowledge and skills.
• Attractive salary opportunities according to the achieved
aims.
• An additional and competitive bonus package.
Are you up for a challenge? Are you ready to join us and take your
career to the next level?
Interested candidates please press the button „Кандидатстване"
to send a CV and a motivation letter for the position not later
than 3th of April 2024.
Only short-listed candidates will be invited for an interview.
The provision of personal data, enclosed in the application
documents is voluntary and will be used solely for the purposes of
evaluating your job application. BTC EAD shall not disclose
personal data to third parties unless such disclosure is required
under the law