Martin Martirosyan

• Designed and implemented backend-driven features for mobile applications using Node.js, integrating REST APIs, WebSockets, and Firebase services.
• Built and maintained real-time communication layers (WebSocket) to support live updates and interactive mobile features.
• Integrated third-party services and external APIs, handling authentication, data validation, and error handling.
• Optimized application performance by improving data-fetching strategies, backend response times, and API efficiency.
• Collaborated closely with frontend and mobile teams to define API contracts and ensure stable client–server interaction.

Part-Time

• Developed and extended backend functionality using Node.js, working with REST APIs and database integrations.
• Designed and optimized database queries and data models to improve system performance and scalability.
• Refactored legacy backend logic, improving maintainability, readability, and overall system stability.
• Implemented authentication, authorization, and data validation layers across multiple services.
• Wrote and maintained unit and integration tests to ensure backend reliability.
• Worked closely with frontend, product managers, and designers to align backend logic with business requirements.

• Participated in code reviews to ensure code quality and adherence to development standards.
• Actively involved in sprint planning and task estimation to achieve project goals.
• Implemented and optimized development processes to improve efficiency and speed.
• Designed and implemented efficient data storage solutions using PostgreSQL and MongoDB, optimizing performance and scalability across various applications.
• Developed and deployed microservices using NestJS and Express.js, ensuring modular, scalable architecture and efficient communication between services.
• Mentored and trained 5+ team members, improving code quality and reducing project delivery time.
• Collaborated with designers, backend developers, and testers to ensure cohesive and high-quality product development.

• Led the development of key features on both the client side and the admin panel over the course of a year, contributing to
• improved user experience and admin efficiency.
• Conducted regular code reviews, ensuring adherence to coding standards and best practices.
• Facilitated sprint planning sessions and managed task prioritization to align development goals with business objectives.

• Worked on the project for over a year, creating key features on both the client side and the business dashboard, with a focus on delivering full-stack solutions.
• Developed scalable and efficient APIs in Node.js, streamlining backend processes and improving data flow between client and server.
• Built and optimized database architectures using SQL and NoSQL databases, improving query performance and ensuring data integrity.
• Built 5+ scalable web applications using React and Next.js, reducing page load time by 40% and improving application performance.
• Collaborated with international development teams across different time zones, maintaining clear communication and effective coordination.
• Contributed to a variety of projects at different stages of development, from initial setup of backend services and APIs to project stabilization.
• Worked on new projects, implementing core functionality in both frontend and backend while aligning development processes before transitioning to other projects to support teams in need of guidance or optimization.
• Regularly adapted to shifting priorities and project demands, demonstrating flexibility and strong problem-solving skills in dynamic environments.