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Date:  26 Feb 2026
Company: 
Location: 

Sofia, BG

BI Developer

Whether you’re just starting out or bringing years of experience, at Yettel we believe the right role isn’t just about responsibilities — it’s about growth, impact, and being part of something meaningful. Take a look — this might be the opportunity you've been waiting for!


The impact you’ll make:

In this role, you will be a key driver of our Business Intelligence environment. Your work will ensure that BI systems are technically robust, highly performant, and capable of delivering accurate, actionable insights. By developing, configuring, and optimizing BI platforms, you will directly enable teams to make data-driven decisions and improve operational efficiency.


What you’ll do:

  • Analyze business requirements and translate them into technical BI solutions, data models, and reporting structures.
  • Configure, develop, and optimize BI systems, ensuring data integrity, performance, and scalability.
  • Develop and maintain documentation, operational procedures, and system configuration standards.
  • Execute internal testing, user acceptance testing, implementation, and change control for BI solutions.
  • Monitor BI system performance, troubleshoot issues, and provide advanced 3rd-level support.
  • Identify gaps or inefficiencies in data pipelines, ETL processes, and reporting workflows, proposing technical improvements.
  • Collaborate with IT, data engineering, and business teams to integrate BI solutions with other systems and platforms.
  • Train and support users in leveraging BI tools effectively, ensuring adoption and proper usage.
  • Stay current with BI technologies, trends, and best practices to continuously improve the BI landscape.

We expect from you:

  • Technical BI Skills: Hands-on experience with BI platforms, data modeling, ETL processes, and reporting tools.
  • Analytical Thinking: Ability to transform complex business requirements into scalable and reliable technical solutions.
  • Attention to Detail: Strong focus on data accuracy, system configuration, and documentation.
  • Problem-Solving Mindset: Proactive approach to identifying and resolving technical challenges.
  • Collaboration: Ability to work effectively with IT, data, and business stakeholders to deliver integrated solutions.
  • Organizational Skills: Strong planning and prioritization to manage multiple tasks and ensure high-quality outputs.
  • Continuous Learning: Eagerness to explore new BI technologies, methods, and automation opportunities.


What’s in It for you:

Health and Wellness:

  • Additional health insurance, including dental and ophthalmic services
  • Annual preventive medical check-ups
  • Discounts for health products and services
  • Corporate psychologist available at the office
  • Massages at the office

Education:

  • Covering up to 200 EUR annually for an English language course
  • Corporate Online Learning Platform
  • Preferential prices for learning centers
  • Educational Grants Program (MBA, ACCA, CIMA, CIM, CIPD, etc.)

Mobile Services:

  • A tariff plan with unlimited voice, data, and text services and up to 25.56 EUR limit for additional services
  • A preferential tariff plan for friends and family
  • Mobile devices at preferential prices

Transport:

  • Transport monthly allowance
  • Preferential prices for a new car
  • Book a premium brand company car for your holiday
  • Preferential prices for car accessories, parts, and services

Lifestyle:

  • Food vouchers
  • Attractive terms for bank products
  • Preferential prices for various products and services
  • Diverse wellbeing activities
  • Childbirth allowance
  • Birthday day off
  • 1-month sabbatical every 5 years
  • +4 bonus days if you use all your time off

Sport:

  • Preferential prices for sport club cards
  • Book a Yettel bike for weekdays or weekends
  • Group workouts at the office

Employee Referral Program:

  • Bonus for successfully hired referred new employees

 

A Tip from Us:

AI is great, but this part is all you! We encourage AI at work, but for your application, we’d love to hear your own thoughts, experiences, and motivation.

You don’t need to tick every box! If this role excites you, go for it! We value potential over perfection.

 

Join Yettel now by sending us your up-to-date CV.
Only shortlisted applicants will be contacted with information about next steps of our selection process.
Applicants are treated with strict confidentiality following the applicable personal data protection legislation.

Apply now »