Feature Development & Optimization: Participated in the development of new features and the optimization of existing functionalities for a digital out-of-home (DOOH) media planning platform, using Python, JavaScript, SQL, and other relevant technologies. Focus on enhancing both back-end and front-end performance to ensure a seamless user experience.System Performance Enhancement: Achieved a 44% improvement in page load times across the platform by implementing memoization caching and optimizing database queries. Continuously monitor and fine-tune system performance to meet scalability demands.Error Handling & Stability: Developed and integrated robust error-handling mechanisms that have significantly reduced system downtime and prevented user disruptions. Enhanced platform stability by resolving critical bugs and implementing automated testing frameworks.User Interface & Experience: Redesigned the platform’s landing page, resulting in improved accessibility and user engagement. Worked closely with the design team to ensure that the interface is intuitive and aligns with user expectations.Collaboration & Cross-Functional Work: Collaborate with cross-functional teams including product managers, UX/UI designers, and data engineers to deliver high-quality software solutions. Participate in code reviews, agile sprints, and team meetings to ensure alignment and progress.Technical Leadership & Mentorship: Provided guidance and support to junior developers and interns, sharing best practices in coding, debugging, and problem-solving. Contributed to the establishment of coding standards and documentation processes.Cloud Integration & Deployment: Utilized AWS services such as EC2, S3, and Lambda for deploying and scaling various components of the platform. Managed CI/CD pipelines to streamline deployment processes and reduce time-to-market for new features.