Johann Broz

- Spearheaded the development of a scalable e-commerce platform using React and Node.js, boosting user engagement by 40%. - Designed and optimized RESTful APIs for seamless integration with third-party services, enhancing data retrieval speeds by 30%. - Mentored junior developers, fostering a collaborative culture and promoting coding best practices. - Conducted regular code reviews and performance assessments to maintain system reliability and maximize user satisfaction.

-Developed and maintained web applications with Angular and Express, improving user interfaces and ensuring responsiveness across all devices. -Collaborated with UX/UI designers to transform wireframes and mockups into functional applications, leading to a 15% increase in customer satisfaction ratings. -Implemented robust security protocols and data encryption measures, achieving zero data breaches during my tenure. -Automated testing processes to enhance code quality and reduce bug-related delays by 25%.

- Improved the accuracy of reporting systems by 6% through code optimization and efficient data processing. - Developed configuration management tools that cut initial machine setup time by 15%. - Created monitoring reports using in-memory caching, improving data refresh rates for end users. - Conducted root cause analyses, identifying and resolving over 12 critical issues within 24 hours. - Enhanced system performance by optimizing database queries, reducing response times by 20%.

-Built a scalable API gateway with GraphQL and Node.js, integrating 10+ microservices and reducing API latency by 40%. -Automated testing with Jenkins and Selenium, increasing code coverage to 95% and cutting bug detection time by 60%. -Contributed to a PWA for a major e-commerce platform, boosting mobile conversions by 25% and improving page load speed by 30%. -Led a team of 5 in implementing AI-driven security protocols, reducing vulnerabilities by 75% and earning a top-tier cybersecurity certification.