• Develop and enhance robust product features across the frontend and backend. • Help improve code quality, workflow and test coverage over time. • Participate in documenting and scoping of features and their architecture. • Optimize UI and API performance incrementally. • Manage and reduce technical debt proactively. • Take ownership of each project in their different phases: scoping and prototyping, building and testing, release and monitoring. • Support and expand data analytics reports for the broader team.

• Design, develop, and implement scalable and reliable software solutions using Kafka, ElasticSearch, and other modern technologies • Write clean, maintainable, and well-documented code • Participate in code reviews and collaborate with other team members

• Become the technical owner of our Proxy service • Join a seven-person engineering team • Refine a high-throughput codebase • Lay the groundwork for features that power tens of millions of proxy requests per day • Take full ownership of our Rust codebase (50,000 lines) and ensure it remains future-proof

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. Requirements Benefits 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.