Vadym C.

Defined and executed the overall technical strategy and architecture, ensuring scalability, security, and long-term maintainability Led the design and development of core systems from scratch, establishing best practices and engineering standards Managed and mentored a cross-functional development team, improving productivity, code quality, and delivery processes Oversaw mobile application development, contributing to architecture, feature design, and performance optimization Made key technology decisions, including stack selection, infrastructure design, and integration approaches Collaborated with stakeholders to align technical solutions with business goals and product vision Established development workflows, CI/CD processes, and quality assurance practices Ensured system reliability, performance, and security through continuous improvements and monitoring

Worked as a Software Engineer developing and supporting multiple eCommerce platforms, focusing on building scalable, high-performance systems to support business-critical operations and online sales. Designed and developed backend systems using Python and Django, ensuring scalability and maintainability Built and maintained RESTful APIs to support integrations with frontend applications and third-party services Implemented asynchronous processing using Celery to handle background jobs such as order processing, notifications, and data synchronization Optimized application performance, including database queries and request handling, improving system responsiveness under load Developed frontend components using jQuery, enhancing user experience and interactivity Supported and maintained production systems, ensuring high availability and quick resolution of issues Contributed to architecture decisions and continuous improvements of existing platforms

Worked as a Software Engineer at a web development agency delivering custom solutions for clients across multiple industries. Contributed to several end-to-end projects, including a booking platform for a hotel chain and an ERP system for a linguistic services company. Developed and maintained web applications using Python and Django, focusing on scalability and clean architecture Built and enhanced a hotel booking system, implementing reservation flows, availability management, and integration with external Booking APIs Contributed to the development of an ERP system, including modules for operations management, client workflows, and internal processes Designed and consumed RESTful APIs to support integrations with third-party services and external platforms Developed dynamic frontend features using jQuery and Backbone.js, improving usability and responsiveness Optimized application performance, including database queries and backend logic for high-traffic scenarios