Led the development of enterprise-grade front-end interfaces using Next.js and TypeScript, improving feature delivery speed by 30% through reusable components. Architected REST APIs with Node.js, Express, and MongoDB, supporting 100k+ monthly active users with secure, scalable data access. Enhanced a custom BI dashboard with real-time data views and plug-ins, reducing report generation time from minutes to seconds for internal teams. Modernized legacy codebases by refactoring critical components to current standards, increasing maintainability and reducing bug reports by 25%. Directed code reviews and mentored a team of 4 junior developers, fostering best practices in TypeScript, testing, and system design.

Full Stack Developer at Bio Core Solution

June 1, 2020 - February 1, 2024

Developed and maintained scalable front-end applications using React, Redux, and Ant Design, enhancing usability and consistency across multi-client-facing products. Engineered backend integrations with Express.js and MongoDB, optimizing database queries and improving API response times by up to 20%. Collaborated in agile teams, contributing to sprint planning, backlog grooming, and peer code reviews to ensure high-quality deliverables. Applied test-driven development (TDD) practices with Jest and integration test suites, increasing code coverage and reducing post-release issues.

Junior Developer at Tkxel

November 1, 2018 - May 1, 2020

Delivered full-stack web applications for international clients using React.js and Node.js, ensuring timely delivery and adherence to project specifications. Collaborated with stakeholders to gather requirements, refine features, and align development with business objectives. Contributed to quality assurance by writing unit test cases and assisting in the development of internal productivity tools. Integrated third-party services such as Stripe, Firebase, and SendGrid, extending platform capabilities and enhancing user experience.