Illia – Node.js, Typescript, React

Data-driven application for collecting reputation data about celebrities and brands online.

• Architected and led development from scratch of a web scraper service(Frontend + Backend) for search engines and social media: Google, Bing, DuckDuckGo, Telegram.
• Introduced AI-powered workflow automation (Desktop Scheduled Tasks + Claude Routines) for engineering reporting, enabling automatic generation and distribution of daily and sprint summaries in Slack, increasing operational transparency across teams.

All-in-one platform's purpose-built technology optimizes and automates every aspect of hospitality operations to save time, maximize revenue, and stay ahead of the curve. Project with microservice architecture(100+), DB of 1.5+ million active properties(hotels/apartments), load approx. 80+ million async business events & HTTP requests per day.

• Architected and implemented 3 microservices, enhancing modularity and scalability; improved efficient resource utilization and reduced infrastructure cost by 5%.
• Seamlessly integrated Booking.com and Agoda APIs, expanding platform functionality and attracting more customers, resulting in a 10% increase in monthly bookings within the first half year.
• Initiated and structured a comprehensive integration testing framework; reduced the number of bug tickets by 75% and enabled seamless dependency updates, eliminating the need for prolonged manual testing.

The IT services and consulting company that created software for three key areas - marketing, online gaming(gambling), and financial. It was a project with many microservices(15+) and integration of many external game APIs. Loads approx. 3,000-4,000 RPS and DB of 300k+ active users.

• Managed 3 cross-functional teams of 17 people (Developers, Testers, DevOps).
• Communicated with external partners about the integration of gaming APIs, and organized the successful integration of 5 different providers.
• Automated the CI/CD process, integration testing, and test coverage requirements.
• Transitioned from an outdated framework to a modern one, reducing development, testing, and delivery time of new features from one month to one week, boosting team efficiency by 4 times.
• Advanced to the Team Lead role by implementing innovative solutions that boosted monitoring, which allowed to achieve 99.99% of the project’s uptime.
• Hired and mentored 10+ new developers by providing weekly one-on-one coaching sessions.

Marketing platform helping franchises grow their online visibility in search and social media through a unique, data-driven approach. Over 80 franchise brands and 400+ marketing agencies are improving outcomes across more than 25,000 locations.

• Developed a set of microservices that converted videos into various formats and devices, which extended the platform's capabilities and attracted new customers.
• Integrated PayPal and Braintree payment API.