- Led a team of developers in designing and implementing scalable microservices using Node.js, Express.js, and PostgreSQL.- Architected RESTful APIs, optimizing performance and ensuring seamless communication between front-end and back-end systems.- Collaborated with product managers and stakeholders to define technical requirements and deliver high-quality features.- Mentored junior engineers, fostering their growth and ensuring adherence to coding standards.- Conducted code reviews, identifying areas for improvement and promoting best practices.- Implemented CI/CD pipelines, automating deployment processes and enhancing development efficiency.- Contributed to system architecture decisions, emphasizing reliability, security, and maintainability.

⁃ High-Traffic Data-Building System: Developed and maintained a critical system used by 100+ active users daily.⁃ Feature Development: Implemented features for both manager and agent roles, including:1) Project creation and assignment2) Account management and performance tracking3) Contact-level information building⁃ Efficiency Enhancement: Introduced custom shortkeys as a REST API to improve agent productivity and streamline workflows.⁃ Quality Assurance: Implemented unit tests using Mocha and Chai to ensure the reliability and robustness of custom shortkeys and other critical features.⁃ User Experience: Built dynamic and responsive user interfaces using Vue.js and Vuetify to optimize for usability and performance.⁃ Back-End Development: Developed and maintained Node.js and Express-based back-end APIs, integrating with PostgreSQL for data storage, account management, and real-time performance tracking.⁃ Performance Optimization: Optimized PostgreSQL queries to significantly improve data retrieval speed and efficiency for managers and agents.⁃ Agile Collaboration: Collaborated effectively within Agile teams to deliver new features, fixes, and improvements in alignment with business needs and deadlines.