Comprehensive management of AWS and Digital Ocean, implementation of CI/CD with Bitbucket and GitHub Actions, development of critical features (driver registration, vehicle admin, business logic), led technical teams, set code standards, and ensured high availability.

Led architectural transformation from monolithic to microservices on mobility platforms. Expert in Ruby on Rails, JavaScript/React, Spring Boot, AWS. Managed cloud infrastructure, CI/CD pipelines, and critical functionalities including geofencing and driver management.

Implemented RESTful APIs, microservices, authentication, feature flags, geofencing, CI/CD, and database management. Frontend with React/Vuejs, state management, reusable components, and backend integration.

Developed web and mobile apps as an independent consultant using Ruby on Rails, Django, Go, JavaScript/React, and Spring Boot. Designed scalable architectures and managed cloud infrastructure.

Integrated frontend-backend with AJAX/Fetch, managed Django ORM, optimized queries, developed responsive interfaces, implemented error handling, and used Git and agile methodologies.

Full-stack development of business modules with Django and modern JavaScript frameworks. Designed RESTful APIs, managed sessions, and developed complex business logic.