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Senior Data Engineer

Sofia, Sofia City Province, Bulgaria

Pay
Pay not listed
Work setting
On-site — work setting source
Work setup in the employer’s posting: On-site
From the employer’s posting
Employment
Full-time — employment source
Employment type in the employer’s posting: Full-time
From the employer’s posting
Apply at Telefonica Tech

What you’ll work on

Full posting
  • Design and deliver enterprise data solutions on Microsoft Fabric

  • Build data products and platforms for reporting, analytics and AI

  • Meet the expectations of internal and external customers

  • Support colleagues in their development

From the employer’s posting
The primary focus for you will be the design and delivery of enterprise-level data solutions
Working on projects that use Microsoft Fabric to deliver data products and platforms across reporting, analytics and AI
Satisfying the expectations and requirements of customers, both internal and external
Supporting others in their development

What you’ll bring

All qualifications

Core experience

  • Hands-on experience with Fabric pipelines, notebooks and lakehouse/warehouses
  • Confident coding in SQL and Python
  • Understanding of capacity management (throttling, overage, scaling)
Qualification wording
Within Microsoft Fabric you must have experience using: Pipelines Notebooks Lakehouse / Warehouses
You should also be confident writing code in: SQL Python
Capacity management – throttling, overage, scaling

Tools in this posting

  • Python
  • SQL
  • AWS
  • Azure
Source — Tool mentions in context
- SQL - Python And you should understand the fundamentals of:
You should also be confident writing code in: - SQL - Python
- Fortinet: Elite VIP Program – one of only 2 in the UK - AWS: Premier Tier Services Partner
It would also be good to understand: - Azure DevOps / CI/CD / BICEP - Azure Networking and Infrastructure
- Azure DevOps / CI/CD / BICEP - Azure Networking and Infrastructure Certifications (Nice to have)
Trusted Partners: - Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner - HPE: Platinum Partner – FY23 UK&I Solution Provider of the Year

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Status in our records
Live
First seen by us
Oct 9, 2026 · 19 days ago
Recorded sightings
23
Last seen by us
Oct 29, 2026

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Job description

View original posting ↗

Job Description

THE ROLE

The primary focus for you will be the design and delivery of enterprise-level data solutions from the earliest discovery phases of projects through prototyping, architectural design and delivery. You will be working with Microsoft Fabric to build data solutions which will help businesses to gain greater insight into their data.

RESPONSIBILITIES

  • Working on projects that use Microsoft Fabric to deliver data products and platforms across reporting, analytics and AI
  • Satisfying the expectations and requirements of customers, both internal and external, to ensure we are delivering value
  • Supporting others in their development
  • Contributing to the Telefonica Tech UK&I - Data &AI internal and external community

REQUIREMENTS

  • Strategic and operational decision-making skills
  • Ability to guide, direct or influence people
  • Ability to identify opportunities and issues, and suggest resolutions
  • Willingness to learn based on feedback
  • Able to help others develop
  • Involvement in architectural decisions for data solutions
  • An interest in using AI to solve business problems

What about technical skills?

You should be comfortable with all of the core technologies below and have had exposure to the others from the following list.

Core

Within Microsoft Fabric you must have experience using:

  • Pipelines
  • Notebooks
  • Lakehouse / Warehouses

You should also be confident writing code in:

  • SQL
  • Python

And you should understand the fundamentals of:

  • Capacity management – throttling, overage, scaling
  • Metadata-driven data platforms
  • Data Lakehouse architecture
  • Git and version control
  • Data Modelling and Data Warehouse Theory
  • AI-driven development

Nice to Have

Within Microsoft Fabric, it would be good to have had exposure to:

  • User Data Functions
  • Environments
  • OneLake Catalog and Governance in Fabric
  • Fabric CLI
  • Data Agents and Fabric Apps

It would also be good to understand:

  • Azure DevOps / CI/CD / BICEP
  • Azure Networking and Infrastructure

Certifications (Nice to have)

DP-700 Fabric Data Engineer Associate

Qualifications

-

Additional Information

At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves. We celebrate and respect our differences because diversity drives innovation and makes us stronger.
 
Be yourself with us, and feel that you belong. 

We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation. 
 
We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE (African and Caribbean heritage network), and Sustainability.

 

 We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch. 

Company Description

Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities.

We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany.

The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Digital Workplace and Cyber Security & Networking.

Values: Open, Bold, Trusted

Trusted Partners:

  • Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner
  • HPE: Platinum Partner – FY23 UK&I Solution Provider of the Year
  • Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio
  • Fortinet: Elite VIP Program – one of only 2 in the UK
  • AWS: Premier Tier Services Partner
Source details

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Pay

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Location & working pattern

Sofia, Sofia City Province, Bulgaria

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