Senior Full Stack Engineer

Stack

Responsibilities

• ▹Design and implement features from idea to production
• ▹Work across backend, frontend, APIs, databases and integrations
• ▹Participate actively in Scrum ceremonies, planning and estimation
• ▹Take architectural decisions and improve the 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

Requirements

• ▹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

Soft skills

What we offer

• ▹Mental health programs, comprehensive medical insurance and a sports card (for employees located in Bulgaria)
• ▹Strong mentorship, bonuses and corporate gifts
• ▹Free educational events and courses, English classes with native speakers
• ▹Choice of working format: remote, office-based or hybrid
• ▹Team-building activities

About the company

Since 2007, MMDSmart has been a leading supplier of cloud-based business communications, delivering Messaging and Voice solutions to businesses in over 100 countries.