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Hi, I’m Kais Zaouali, a Senior Software Engineer with a track record of building and scaling web applications that serve thousands of users daily and process millions of data records. I work across the full stack— .NET, Node.js, React, and TypeScript—plus I bring solid infrastructure and DevOps practices (CI/CD, Docker, cloud platforms) to deliver robust, high-performance software. I’m passionate about code quality, performance optimization, and delightful user experiences. I enjoy mentoring developers, collaborating in agile cross-functional teams, and driving successful outcomes from idea to production.…Hi, I’m Kais Zaouali, a Senior Software Engineer with a track record of building and scaling web applications that serve thousands of users daily and process millions of data records. I work across the full stack— .NET, Node.js, React, and TypeScript—plus I bring solid infrastructure and DevOps practices (CI/CD, Docker, cloud platforms) to deliver robust, high-performance software. I’m passionate about code quality, performance optimization, and delightful user experiences. I enjoy mentoring developers, collaborating in agile cross-functional teams, and driving successful outcomes from idea to production.

Kais Zaouali

Full Stack Developer, Web Developer, Back-End Developer, +3

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Hi, I’m Kais Zaouali, a Senior Software Engineer with a track record of building and scaling web applications that serve thousands of users daily and process millions of data records. I work across the full stack— .NET, Node.js, React, and TypeScript—plus I bring solid infrastructure and DevOps practices (CI/CD, Docker, cloud platforms) to deliver robust, high-performance software. I’m passionate about code quality, performance optimization, and delightful user experiences. I enjoy mentoring developers, collaborating in agile cross-functional teams, and driving successful outcomes from idea to production.…Hi, I’m Kais Zaouali, a Senior Software Engineer with a track record of building and scaling web applications that serve thousands of users daily and process millions of data records. I work across the full stack— .NET, Node.js, React, and TypeScript—plus I bring solid infrastructure and DevOps practices (CI/CD, Docker, cloud platforms) to deliver robust, high-performance software. I’m passionate about code quality, performance optimization, and delightful user experiences. I enjoy mentoring developers, collaborating in agile cross-functional teams, and driving successful outcomes from idea to production.

Available to hire

Hi, I’m Kais Zaouali, a Senior Software Engineer with a track record of building and scaling web applications that serve thousands of users daily and process millions of data records. I work across the full stack— .NET, Node.js, React, and TypeScript—plus I bring solid infrastructure and DevOps practices (CI/CD, Docker, cloud platforms) to deliver robust, high-performance software.

I’m passionate about code quality, performance optimization, and delightful user experiences. I enjoy mentoring developers, collaborating in agile cross-functional teams, and driving successful outcomes from idea to production.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Rocketship

August 1, 2025 - September 7, 2025

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.

Senior Software Engineer at Wincher

June 1, 2025 - September 7, 2025

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. Led infrastructure improvements with caching layers and event-driven architecture; optimized MariaDB and MongoDB, refined CI/CD pipelines reducing deployment time from 45 minutes to under 15 minutes. Maintained and expanded WordPress plugin integrations; built Admin site (Retool) for Support; implemented OAuth 2.0 / OpenID Connect authentication. Increased test coverage from 55% to 75% and integrated third-party services like OpenAI, Pipedrive, and Mailchimp to extend product capabilities.

Lead Frontend Engineer at suivi.co

January 1, 2022 - September 7, 2025

Led frontend development for a project management application, prioritizing performance and memory efficiency. Planned sprints, implemented features, mentored teammates, and conducted code reviews using TypeScript and React, achieving a 90% reduction in memory usage and smoother user experiences.

Software Engineer at Gomycode

September 1, 2021 - September 7, 2025

Developed the Learn e-learning platform and Titan course editor, delivering end-to-end features with .NET and React.

Founder at Kintelligy Consulting

November 1, 2019 - September 7, 2025

Founder and consultant delivering projects across TypeScript, React, Next.js, Node.js, and .NET. Responsible for client engagements, architecture decisions, and delivering robust software solutions.

Software Engineer (Intern) at Tunisie Télécom

June 1, 2014 - September 7, 2025

Developed a HR management application; full-stack development for managing employee information, attendance, and performance evaluations using Symfony 3.

Senior Software Engineer at Rocketship

August 31, 2025 - September 7, 2025

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.

Senior Software Engineer at Wincher

June 30, 2025 - September 7, 2025

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).

Lead Frontend Engineer at suivi.co

January 31, 2022 - September 7, 2025

Led frontend development of a project management application, focusing on performance by reducing memory usage by 90%. Planned sprints, implemented new features, mentored teammates, and conducted code reviews.

Software Engineer at Gomycode

September 30, 2021 - September 7, 2025

Worked on the development of an e-learning platform Learn and a course editor Titan. Developed end-to-end features using .NET and React.

Founder at Kintelligy Consulting

November 30, 2019 - September 7, 2025

Contributed to, maintained, and developed several projects using a variety of technologies, with a primary focus on TypeScript, React, Next.js, Node.js, and .NET.

Software Engineer (Intern) at Tunisie Télécom

June 30, 2014 - September 7, 2025

Developed an HR management application. Designed and implemented a full-stack application for managing employee information, attendance, and performance evaluations using Symfony 3.