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Senior PHP Back-End Developer
Tello
1 position
Job - pending verification

Ideal Candidate

If you can master the power of PHP & SQL you belong with our successful IT team!

Here’s what you’ll bring to thе table:
  • 5+ years of experience in developing PHP applications;
  • Object-oriented programming and design understanding;
  • Experience in server-side/back-end software development;
  • Experience with SQL and version control systems (Git);
  • Experience with continuous integration tools (PHPUnit, Jenkins) is a plus;
  • Linux and Networking knowledge is a plus.
Your role will have a huge impact on the success story of our company.

Job Description

If you’re up for the challenge, you’d bе:
  • Developing and maintaining professional, highly optimized, distributed services
  • Writing and maintaining PHP production code
  • Mitigating security risks and fixing bugs to maintain a high quality standard for production services
  • Using PHP to develop and improve our in-house products and applications: shopping cart engine, VoIP call routing, load balancing, background data processing, connecting to external APIs and developing internal applications
  • Having a proactive working style and quality-oriented approach

Company Description


Tello Mobile is the fastest-growing MVNO provider in the US market, recognized for its affordability, reliability, and outstanding customer support.

Backed by its parent company, KeepCalling—an industry leader with over 22 years of experience—Tello Mobile benefits from a strong foundation in telecommunications. Since 2002, KeepCalling has been delivering high-quality calling services to millions of customers worldwide.

This year, Tello Mobile proudly celebrates its 9th anniversary, continuing its mission to provide exceptional mobile solutions with great value, superior quality, and dedicated customer service.

Find out more about us on www.keepcalling.net or follow our Facebook page -facebook.com/ourtelloteam.

Join our team and be part of this amazing story!

Published Jun 2, 2026Updated Jun 2, 2026Expires Jul 2, 2026
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