John Disilwa
I'm John Disilwa, a Full-Stack Software Engineer with 6 years of experience delivering high-performance, cloud-native applications across finance, HR, and manufacturing. js, building robust, scalable web apps.
About
I’m John Disilwa, a Full-Stack Software Engineer with 6 years of experience delivering high-performance, cloud-native applications across finance, HR, and manufacturing. I specialize in JavaScript, React, and Node.js, building robust, scalable web apps. I thrive in fast-paced environments and enjoy turning complex problems into elegant, maintainable solutions.
I have a proven track record of reducing operational costs by up to 25% and boosting system scalability by 40%. I’m skilled in CI/CD automation, cloud deployments on AWS and GCP, and leading migrations that reduce technical debt while improving reliability and velocity.
- 6 years' experience
- Joined August 2025
Industry experience
- Financial Services
- Manufacturing
- Software & Internet
- Professional Services
- Media & Entertainment
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Work experience· 5 roles
Spearheaded migration from Angular to React, reducing codebase size by 30% and improving maintainability. Designed an AI-powered auto-response system that boosted customer engagement by 20% and reduced reply time by 15%. Built a microservices architecture using NestJS, enhancing scalability and deployment speed by 40%. Automated CI/CD pipelines with Jenkins and Docker achieving 95% test coverage and faster releases.
Developed and maintained enterprise-scale web applications using Next.js, Node.js, and PostgreSQL, enhancing operational visibility and decision-making across multiple factories. Led development of an Asset Management System that reduced manual effort by 30% and built key modules for LUCA, an HR platform that increased recruitment efficiency by 40%. Collaborated with cross-functional teams to integrate with Azure-hosted services ensuring 99% uptime and optimized performance.
Spearheaded Angular-to-React migration, reducing codebase size by 30% and improving maintainability. Designed AI-powered auto-response system (Next.js, Node.js) boosting customer engagement by 20% and cutting reply time by 15%. Built a microservices architecture (NestJS) enhancing scalability and reducing deployment time by 40%. Automated CI/CD pipelines (Jenkins, Docker) achieving 95% test coverage and faster releases.
Education
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