Senior Full Stack Engineer

Since 2007, MMDSmart has been a leading supplier in cloud-based business communications, delivering game-changing IT products to businesses in over 100 countries. Their products focus on Messaging and Voice solutions that empower client communications.

• 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

Nice to have:

• 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

• 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

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

Equal-Opportunity Employment: MMDSmart is 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.