Jobs category: R&D

We are looking for a true Senior Full-Stack Engineer – someone who can design systems, take ownership end-to-end, and deliver production-grade features across backend and frontend. Technology is not the main criteria. Engineering maturity, system thinking, and code quality are.

Experience with Go and/or React is an advantage but not required.

Since 2007, MMDSmart has been a leading supplier in cloud-based business 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?

• Design and implement features from idea to production
• Work across backend, frontend, APIs, databases, and integrations
• Participate actively in Scrum ceremonies and contribute to planning and

estimation

• Take architectural decisions and improve existing system design
• Write clean, testable, maintainable code
• Perform code reviews and mentor other engineers
• Improve performance, reliability, and scalability of the system
• Work closely with Product, QA, and DevOps

You are a perfect match if you have:

• 7+ years of hands-on software engineering experience
• Strong understanding of system design and architecture
• Proven experience building and maintaining high-load, event-driven

systems

• Ability to work across the full stack (backend + frontend)
• Experience working in Agile / Scrum teams
• Strong ownership and accountability for delivered features
• Solid understanding of APIs, databases, and modern web architectures
• Experience with Git and CI/CD workflows
• Ability to learn new technologies quickly and independently

Will be a plus: 

• Experience with Go
• Experience with React or modern frontend frameworks
• Experience with microservices and distributed systems
• Experience with cloud environments and containers
• Experience with observability and monitoring tools

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!

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

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.

We are seeking a Senior Backend Developer to join our development team. Our products require innovative and open-minded engineers working in an Agile environment. You will be part of a world-class team of engineers that focuses on new functionality and stabilization for our large-scale system. As a part of your team, you will have the opportunity to learn from others and drive your own initiatives.

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?

• Participation in designing and developing new features and projects, occasionally leading to the realization of  new development opportunities;
• Presenting demos as part of your team to stakeholders;
• Investigating, diagnosing, and resolving product issues, striving for constant product improvement.

You are a perfect match if you have:

• 4+ years of commercial experience as a Backend Developer;
• 3+ years of experience with GoLang;
• Experience with SQL and NoSQL databases;
• Ability to work independently and in a team environment.

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!

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

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.

We are seeking a Senior Full Stack Developer to join our development team. Our products require innovative and open-minded engineers working in an Agile environment. You will be part of a world-class team of engineers that focuses on new functionality and stabilization for our large-scale system. As a part of your team, you will have the opportunity to learn from others and drive your own initiatives.

Since 2007, MMDSmart has been a leading supplier in cloud-based business 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?

• Participation in designing and developing new features and projects, occasionally leading to the realization of  new development opportunities;
• Presenting demos as part of your team to stakeholders;
• Investigating, diagnosing, and resolving product issues, striving for constant product improvement.

You are a perfect match if you have:

• 4+ years of commercial experience as Full Stack Developer;
• 3+ years of experience with GoLang;
• 2+ years of experience with React.js
• Strong knowledge of TypeScript;
• Experience with SQL and NoSQL databases;
• Ability to work independently and in a team environment.

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!

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

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.

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

We are looking for a Middle Manual QA Engineer to join our team. 

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?

• You will analyze business and functional requirements alongside technical specifications;
• You will write test documentation;
• You will create bug reports in the bug tracking system and ensure the fixed bugs verification;
• You will provide updates to effort estimates and status of assigned tasks;
• You will participate in daily project team meetings and brainstorming activities related to the project issues

You are a perfect match if you have:

• 2+ years of experience in software testing;
• Strong theoretical knowledge base in software testing;
• Knowledge of SDLC, test design techniques, test documentation;
• Understanding the test pyramid;
• Experience with REST API (Postman, Swagger etc.);
• Understanding CI/CD processes;
• Experience with GIT;

Nice to have: 

• Experience with Python/JS;
• Experience in automation testing;
• Knowledge of Scrum methodology

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.