Kais Zaouali

Designed and developed a custom image editor for the BGA.se client using the Canvas API, with a strong focus on performance and responsiveness. Reduced average image processing time by ~35% and increased editing task completion rate by ~40% compared to legacy tools. Implemented key features including selection, upload, and real-time image transformations; editing tools such as crop, resize, rotate, brightness/contrast/saturation; and visual effects like sepia and grayscale.

Designed and developed a custom image editor for the BGA.se client using the Canvas API, focusing on performance and responsiveness. Reduced average image processing time by ~35% and increased editing task completion rate by 40% compared to legacy tools. Implemented features: selection, upload, and real-time image transformations; editing tools including crop, resize, rotate, brightness/contrast/saturation; added visual effects such as sepia, grayscale, and Black & White.

Contributed to SEO analytics tools serving thousands of users daily and processing millions of data records. Implemented features across backend and frontend using .NET, Node.js, TypeScript, React, and Next.js. Helped scale infrastructure with caching and event-driven architecture, reduced infra costs by ~15%, and improved uptime to 99.9%. Optimized databases (MariaDB, MongoDB) and CI/CD pipelines, cutting deployment time from 45 minutes to under 15 minutes. Maintained WordPress and Yoast plugin integrations; built Admin site using Retool. Expanded test coverage from 55% to 75%, and integrated OpenAI, Pipedrive, Mailchimp, and other services. Implemented OAuth 2.0 and OpenID Connect (OIDC).