Roger Jacob

I pioneered a React.js web app with advanced interfaces, filters and MapboxGL visualizations. Achieved 93% code coverage, enhancing stability and performance, and led code reviews, reducing bugs by 40%. Implemented agile practices, speeding delivery by 25% and boosting productivity by 15%, while maintaining 100% stakeholder satisfaction.

I refactored a React app with TypeScript and Redux, boosting performance by 30%. Led server-side rendering with Next.js and SEO strategies, improving Google rankings by 50% and increasing organic leads by 35%. Enhanced Node.js API performance, reducing response time by 40%, and integrated AWS Lambda functions, optimizing scalability and API efficiency.

I redesigned the story search page using Algolia, boosting monthly page views by ~30%. I developed landing and listing pages for YourStory TV, increasing organic search traffic by ~50% and conversion rates by ~25%, driving revenue growth. Additionally, I revamped the user profile page with a modern design, increasing user engagement by 40% and decreasing the bounce rate by 20%.

I rewrote the “Create Post” module using Redux, enhancing code organization and scalability, which improved user satisfaction. By implementing a new rich text editor, I increased user engagement, website traffic, and enriched content. I delivered new features for the Hush app, collaborated with product and design teams, and developed the company landing page, boosting conversion rates.

As a Top Rated Contractor, I have consistently provided my clients with high-quality JavaScript engineering services. I have developed scalable, stable, and maintainable web applications and web services for mobile apps. I have also worked effectively with international team members with minimal supervision, providing multiple options and recommendations to help my clients achieve their goals.