Senior Full Stack Developer (Flutter/Go)

#ThriveatMMDSmart

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

We are looking for a Senior Flutter (Mobile) Developer 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?

• Design and develop high-quality Flutter apps for Android and iOS
• Collaborate with backend engineers to define APIs and build full-stack features
• Write clean, testable, maintainable Dart code following best practices
• Implement custom Flutter plugins to bridge native functionality when needed
• Integrate with real-time communication tools (e.g., WebRTC, sockets)
• Work with product managers and designers to deliver smooth, performant UX
• Debug, profile, and optimize performance across devices
• Participate in code reviews, architectural discussions, and agile development cycles

You are a perfect match if you have:

• 5 + years of experience in software development;
• 3+ years of experience with Flutter and Dart;
• 2+ years of experience with GO;
• Strong understanding of mobile architecture and cross-platform development;
• Solid experience consuming RESTful or GraphQL APIs;
• Experience with state management solutions (e.g., BLoC / Cubit, Provider, Riverpod).

Nice-to-Have / Advantages:

• Experience building or maintaining Flutter plugins (Android/iOS interop);
• Familiarity with WebRTC, signaling, and real-time streaming protocols;
• Experience with Firebase, WebSockets, push notifications;
• Familiarity with clean architecture and test-driven development.

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.