Alfred Cesarz

Developed and deployed scalable back-end services with PHP/Laravel, Node.js, and Python, optimizing database queries to handle 50,000+ daily requests and improving processing speed by 15%. Implemented CI/CD pipelines with Git, BitBucket, & AWS, automating 70% of deployments and reducing release time by 30%. Built dynamic front-end interfaces with Vue.js, React, and Angular, enhancing user retention by 10%. Delivered mobile apps using React Native and Native Android, ensuring cross-platform performance.

Led the migration of legacy applications to modern frameworks, boosting scalability & maintainability. Mentored junior developers, enhancing team output quality through best practices. Optimized codebases & database queries, reducing server response times by 25% & page load speeds by 10%. Delivered reliable web applications with PHP/Laravel & Vue.js, increasing engagement by 15%. Collaborated across teams to cut project timelines by 20% & integrated APIs to improve functionality in 8+ projects.

Debugged and resolved 90% of reported issues within the first week. Developed and tested scalable solutions in Python and JavaScript, aiding the deployment of 5+ client-facing applications. Collaborated with the product team to gather requirements and design features, reducing revisions by 15%. Optimized data processing algorithms, boosting performance by 20%. Built and maintained RESTful APIs for seamless integration. Supported continuous improvement with CI/CD workflows, cutting deployment time by 30%.