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Date:  Aug 28, 2025
Company: 
Location: 

Sofia, BG

Senior PHP 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:

We’re searching for a Senior PHP Software Developer to build, optimize, and maintain the core functionalities of our in-house systems. This role is all about ensuring our platforms run smoothly, process data efficiently, and integrate seamlessly with other technologies.

 

What you’ll do:

  • Oversee the design, development, and implementation of our internal systems, ensuring alignment with business needs.
  • Analyze business processes to create and implement effective, scalable solutions.
  • Develop and maintain web-based applications, including server-side logic, user interfaces, and business logic.
  • Lead efforts to optimize existing systems for performance, scalability, and security.
  • Guide and mentor junior developers, providing technical leadership and support.
  • Collaborate on the development of integration layers, as well as mobile apps for Android and iOS when required.
  • Oversee the ongoing maintenance and improvement of existing systems to ensure stability and reliability.
  • Take ownership of projects, driving their successful completion by coordinating tasks and managing resources.
  • Provide high-level technical support and troubleshooting for internally developed applications.

 

To thrive in this role, you’ll need:

  • PHP Development: Proven experience with a strong project portfolio.
  • PC & CDB: Solid knowledge of Process Control systems and Central Database management.
  • BPA: Ability to analyze business processes and create technical solutions.
  • Web & APIs: Front-end/back-end skills (HTML, CSS, JS) and API integration.
  • Problem-Solving Skills: Strong debugging and performance optimization skills.
  • Collaboration: Experience mentoring juniors and working in teams.
  • Adaptability: Quick learner, up-to-date with new tech.
  • Communication: Excellent English, clear with stakeholders.

 

What’s in It for you:

Financial & Time-Off Perks

  • 21 days of paid leave (birthday included!)
  • +4 bonus days if you use all your time off
  • 1-month sabbatical every 5 years
  • Annual bonus based on performance
  • Food & gift vouchers every month
  • Travel allowance

Mobile & Tech Goodies

  • Unlimited mobile & internet
  • Exclusive discounts on devices and accessories

Health & Wellbeing

  • Premium health insurance
  • Wellbeing support: in-house psychologist, sports at the office, expert talks
  • Discounted Multisport or Coolfit cards

Growth & Learning

  • Top online learning platform access
  • Supportive team and manager
  • Your ideas shape what we build

Purpose & Culture

  • Do work that matters — we create real impact
  • We're serious about sustainability and social responsibility

 

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 »