Back Office Specialist

MMDSmart Ltd· Operations
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🌍 Remote📍 Remote📍 Sofia, Sofia City Province, BulgariaFull time

About this role

We are looking for a Back Office Specialist to support the day-to-day operations of our SMS and Voice services. In this role, you will configure client accounts, pricing, and routing across internal platforms, helping ensure that services are set up correctly and billed accurately.
This role suits someone who enjoys working with systems and spreadsheets, pays close attention to detail, and can manage multiple requests while following established procedures.

What You'll Do:

  • Configure and update pricing, routing, rate plans, client products, and service settings across internal platforms.
  • Check configurations to ensure accurate service setup and billing.
  • Handle operational requests, prioritise tasks, and complete them within agreed timelines.
  • Coordinate with internal teams, clients, and other stakeholders to clarify requests and resolve issues.
  • Maintain accurate task documentation and follow internal procedures.
  • Escalate complex or critical cases and ask for clarification when instructions or requests are unclear.
  • Strong attention to detail and the ability to stay focused when working on repetitive or detailed tasks.
  • English at B2 level or higher.
  • Practical Excel or Google Sheets skills: entering and updating data, working with tables, and using basic spreadsheet functions.
  • Ability to learn new platforms, systems, and technical processes quickly.
  • Ability to manage a high volume of tasks and follow step-by-step instructions.
  • A responsible, flexible approach to work and clear communication.



Nice to have

  • Experience in telecom, back office, or operational support.
  • Experience working with service configuration platforms, databases, or other technical systems.

Why do talents choose and stay at MMDSmart?

Embrace the opportunity to work in a company that cares about:

Your Wellness: Access to mental health programs, comprehensive medical insurance, and a sports card.

Your Happiness: Enjoy the company of cool teammates, a friendly atmosphere, a strong mentorship, and a variety of bonuses & corporate gifts.

Your Development: Benefit from free educational events & courses, and English classes with native speakers.

Your Career: Focus on your professional development in a supportive environment.

Work-Life Balance: Choose your working format – remote, office-based, or hybrid and engage in team-building activities.

Think this role’s got your name on it? Go ahead and apply, we’d love to see what you’ve got!

Equal-Opportunity Employment

We are an equal opportunity employer committed to creating a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Frequently Asked Questions

Is the salary disclosed for the Back Office Specialist position at MMDSmart Ltd?
The salary for this Back Office Specialist role at MMDSmart Ltd is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Back Office Specialist job at MMDSmart Ltd remote?
Yes, this Back Office Specialist position at MMDSmart Ltd is remote, with team members based in Remote, Sofia, Sofia City Province, Bulgaria. You can work from home or anywhere in the supported regions.
Is the Back Office Specialist role at MMDSmart Ltd full-time or part-time?
This is listed as a Full time position. It is posted as a Back Office Specialist role in the Operations department at MMDSmart Ltd.
Which team or department does the Back Office Specialist at MMDSmart Ltd belong to?
This Back Office Specialist position is part of the Operations department at MMDSmart Ltd. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Back Office Specialist position at MMDSmart Ltd?
Click the "Apply Now" button on this page. You will be redirected to MMDSmart Ltd's official application portal hosted on workable where you can submit your application directly.
When was the Back Office Specialist job at MMDSmart Ltd posted?
This Back Office Specialist position at MMDSmart Ltd was posted on Oct 7, 2026. Apply as soon as possible — early applications are often reviewed first.
Back Office Specialist
MMDSmart Ltd
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