• Development of promotional web games handling 500k+ users during artist launch campaigns, including
leaderboard systems and enhancement of the existing graphQL API to support high concurrency and scala‑
bility. (Reduced API response times by 80% through Redis caching and JWT migration.)
• Development of a React Native Application including SSL pinning, geofencing connected to a REST API for a
music event.
• Design, development, and maintenance of 50+ artist websites using Nuxt, React, and PHP.
• Design of internal tools and solutions to support QA processes and improve team workflows and operational
efficiency.
• Improved legacy Nuxt and PHP applications by optimizing code and SQL queries, upgrading to the latest
versions, and implementing Redis‑based caching.
• Resolution of security vulnerabilities and implementation of corrective measures, in collaboration with the
InfoSec team and using New Relic for monitoring and observability.
• Led the deployment of OneTrust across all company websites.
• Led GTM operations end‑to‑end, coordinating with record labels, enforcing GDPR compliance.
• Performed code reviews for third‑party developers, ensuring code quality, maintainability, and compliance
with internal standards.

Development of a React Native application for a cashback service
• Design and development of Chrome and Firefox browser extensions featuring contextual page detection and
a dynamic UI, enabling automatic cashback activation.
• Implementation of push notification systems using Firebase Cloud Messaging across company websites and
mobile applications.
• Development of the internal CRM for the sales department
• Design and development of a landing page management platform, including A/B testing capabilities and
analytic tracking.
• Development of Back‑Office Dashboards
• Maintenance and enhancement of cashback reconciliation systems between partner agencies and users.

• Design and architecture of an internal CRM system.
• Design and development of institutional websites in PHP
• Setup and management of redundant infrastructure for dedicated web hosting, shared hosting, and email
services.
• Analysis of customer requirements, including the drafting of functional specifications and detailed technical
design documentation.