At our company we're looking for a Senior Fullstack Developer to join our Sofia-based Engineering team and take an active role in shaping our SaaS platform.
Youll work across the stack - from modern frontends to scalable backend services - helping us deliver world-class features to thousands of users worldwide.
As a senior engineer, youll influence architectural decisions, mentor team members, and collaborate closely with Product, UX, and fellow engineers - all within an agile Scrum framework.
What Youll Do
Design and develop end-to-end features - from responsive UIs to robust APIs.
Build high-quality frontends with React, Redux, and TypeScript.
Develop and maintain scalable backend services using Node.js, Laravel (PHP), and Python.
Optimize database interactions across PostgreSQL, MySQL, Redis, and MongoDB.
Work within a hybrid architecture leveraging DigitalOcean and AWS cloud platforms.
Participate in Scrum ceremonies and collaborate in an agile, iterative development process.
Maintain and improve our CI/CD pipelines, and contribute to server, deployment, and DevOps tasks.
Participate in code reviews, architecture discussions, and tech roadmap planning.
Mentor junior and mid-level engineers, fostering a culture of learning and excellence.
Collaborate cross-functionally with Product, Design, and DevOps to deliver high-impact solutions.
Requirements: Technical Must-Haves
5+ years experience as a Fullstack Developer.
Proficiency in React, Redux, TypeScript, and solid understanding of modern frontend architecture.
Strong backend experience in Node.js and at least one of: Laravel (PHP) or Python.
Deep understanding of relational and non-relational databases: PostgreSQL, MySQL, Redis, MongoDB.
Familiarity with cloud platforms - DigitalOcean and/or AWS.
Experience with CI/CD pipelines, Docker, and server / deployment / DevOps tasks.
Experience working in an Agile Scrum team.
Solid grasp of unit, integration, and end-to-end testing.
Strong understanding of scalable and performant software architecture.
Bonus Points
Experience with React Native.
Familiarity with Asterisk and VoIP / telephony systems.
Experience with scalable event-driven architectures.
Background in building SaaS products or communication platforms (VoIP, WebRTC, SIP).
Soft Skills We Value
Ownership mindset - you take initiative and drive features end-to-end.
Strong team spirit - collaborative, helpful, and open to feedback.
Excellent communication skills and cross-team collaboration.
Passion for mentoring and helping others grow.
Comfortable working in a fast-paced, agile environment.
Eagerness to learn and stay updated on the latest technologies.
This position is open to all candidates.