Junior Support Engineer

#ThriveatMMDSmart

Would you like to build a career in a leading multinational IT company?

We are excited to welcome someone who is eager to grow in the cloud communications field, even if you’re just starting out. You don’t need previous experience in Back Office – just bring your energy, willingness to learn, and readiness to work in a dynamic environment. You’ll be pivotal in supporting Account Managers with deals, aiding customers through team collaboration, and driving internal improvements and supplier relationships in one dynamic role.

Since 2007, MMDSmart has been a leading supplier in cloud communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to  excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated.

We are looking for a Junior Support Engineer to join our team.

No previous experience is desired. We are happy to support your professional growth in the tech branch.

What will you do at MMDSmart?

  • Communicate with customers and accept inquiries via Helpdesk & Skype.
  • Handle requests from members of other teams.
  • Solve tasks by themselves or escalate tasks to other teams and control the process of their implementation: technical specialists, account managers
  • Provide quality service to customers.

    You are a perfect match if you have:
  • English – Upper-Intermediate+.
  • You are willing to work night/holiday shifts. Schedule 3/3 – morning (8:00 – 17:00), evening (14:00 – 23:00), and night (23:00 – 8:00) shifts.
  • Stress tolerance.

    It will be a plus:
  • Understanding how SMPP, VoIP, HTTP, IP, and TCP protocols work.
  • Basic understanding of the OSI model.
  • Basic SQL skills.

    Why do talents choose and stay at MMDSmart?

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.

*Medical Insurance and Sport Card perks are available for employees located in Bulgaria.

Telecom SIP Engineer

#ThriveatMMDSmart
Would you like to build a career in a leading multinational IT company?

We are now seeking a Telecom SIP Engineer to join our cloud communications team. In this role you will be responsible for configuring and troubleshooting SIP-based systems and you will collaborate with various teams, contributing to the smooth operation of voice services for our customers.

Since 2007, MMDSmart has been a leading supplier in cloud communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to  excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated.

What will you do at MMDSmart?

  • Troubleshoot and debug issues related to SIP call flows, signaling errors, media quality, and network connectivity;
  • Configure and maintain SIP-based systems, including VoIP platforms, softswitches and IP-PBX systems;
  • Collaborate with cross-functional teams, including network engineers, software developers, and VoIP service providers;
  • Assisting technical teams with tasks that require optimization and modifications to the current infrastructure;
  • Interact with external clients in some cases for online testing to debug the issue;
  • Generate technical documentation, including system architecture diagrams, configuration guides and troubleshooting guides;
  • Stay updated with the latest trends, technologies, and standards in the telecommunications industry, particularly related to SIP and VoIP;
  • Perform other related duties as required and assigned.

You’re a perfect match if you have:

  • Fluent English;
  • Advanced knowledge of the SIP protocol;
  • Minimum 1 year experience with VoIP platforms, softswitches, SBCs, and IP-PBX systems;
  • Strong troubleshooting and debugging skills for SIP call flows and network connectivity;
  • Excellent communication and collaboration skills

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.

*Medical Insurance and Sport Card perks are available for employees located in Bulgaria.

Telecom SMPP Engineer

#ThriveatMMDSmart
Would you like to build a career in a leading multinational IT company?

We are now seeking a Telecom SMPP Engineer to join our cloud communications team. In this role you will be responsible for configuring and troubleshooting SMPP-based systems and you will collaborate with various teams contributing to the smooth operation of SMS messaging services for our customers.

Since 2007, MMDSmart has been a leading supplier in cloud communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to  excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated.

What will you do at MMDSmart?

  • Troubleshoot and debug issues related to SMPP connections, message delivery failures, error handling, and performance optimization;
  • Interact with external clients in some cases for online testing to debug the issue;
  • Collaborate with network engineers, software developers, and telecom operators to ensure seamless integration and operation of SMS messaging services;
  • Assist technical teams with tasks that require optimization and modifications to the current infrastructure;
  • Generate technical documentation, including system architecture diagrams, configuration guides and troubleshooting guides
  • Stay updated with the latest trends, technologies, and regulations in the telecommunications industry, particularly related to SMS messaging and SMPP;
  • Perform other related duties as required and assigned.

You’re a perfect match if you have:

  • Fluent English
  • Advanced knowledge of SMPP protocol
  • Knowledge of SQL queries and Linux
  • Knowledge of wireshark, tcp, bash
  • Experience with SMPP protocol and SMS gateways at least 1 year
  • Excellent communication and teamwork abilities

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.

*Medical Insurance and Sport Card perks are available for employees located in Bulgaria.

Customer Care Specialist with Russian

#ThriveatMMDSmart

Would you like to build a career in a leading multinational IT company?

We are looking for a spirited, Russian-speaking Customer Care Specialist who’s ready to dive into the exciting world of cloud communications. You don’t need previous experience – just bring your energy, willingness to learn, and readiness to work in a dynamic environment. By joining us, you’ll be right at the heart of our mission to Connect, Engage, and Smile, making sure every interaction leaves a lasting positive impression.

Since 2007, MMDSmart has been a leading supplier in cloud communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to  excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated.

What will you do at MMDSmart?

  • Communicate with customers and help solve their problems and concerns;
  • Report issues to neighboring teams: account managers, technical specialists, developers;
  • Coordinate and monitor the problem-solving process, and receive feedback from the client and neighboring teams.


You are a perfect match if you have:

  • Fluent Russian;
  • Proficiency in English (Upper-Intermediate or Advanced level);
  • Resilience under pressure;
  • Familiarity with Microsoft Office and Google Docs;
  • A keen appetite for learning and self-improvement;
  • A dynamic, proactive approach, coupled with the flexibility to work in rotating shifts: morning (9:00 – 18:00) and evening (13:00 – 22:00);
  • Readiness to potentially work night shifts (22:00 – 7:00).
    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.

    *Medical Insurance and Sport Card perks are available for employees located in Bulgaria.