YLYong Li
@yongli2
Senior Full Stack Developer with expertise in scalable applications.
Hong KongWhat I'm looking for
As a Senior Full Stack Developer with over 7 years of experience, I have a proven track record of building high-impact applications across various domains including healthcare, e-commerce, Web3, and media. My expertise lies in crafting scalable architectures, integrating complex APIs, and deploying secure, responsive platforms. I pride myself on my ability to deliver products end-to-end using modern frontend and backend stacks.
Currently, I am orchestrating the creation of a decentralized betting platform at PAAL AI, where I have successfully increased user engagement by 40% through innovative use of Next.js, React, and Web3.js. My previous roles have equipped me with a diverse skill set, from engineering Angular-based dashboards that enhanced workflow efficiency by 50% to developing backend components that ensure HIPAA-compliant data transactions. I thrive in collaborative environments and enjoy partnering with cross-functional teams to drive project success.
Experience
Work history, roles, and key accomplishments
Senior Full Stack Developer
PAAL AI
Aug 2023 - Present (1 year 10 months)
Orchestrated the creation of a decentralized betting platform using Next.js, React, and Web3.js, increasing user engagement by 40%. Formulated backend microservices with Node.js, TypeScript, and Express.js and deployed AWS cloud infrastructure, enhancing platform availability to 99.98%. Streamlined frontend performance, cutting initial load time by 30% through SSR and Tailwind CSS optimization.
Senior Full Stack Developer
WTT Solutions
Feb 2021 - May 2023 (2 years 3 months)
Engineered Angular-based dashboards for doctors and patients, enhancing workflow efficiency by 50%. Programmed backend components using Python, enabling HIPAA-compliant data transactions and scheduling automation. Facilitated CI/CD pipelines to shorten deployment time by 35% and diagnosed performance bottlenecks, leading to a 20% support case reduction.
Full Stack Developer
ForaSoft Ltd
Aug 2019 - Dec 2020 (1 year 4 months)
Assembled SEO-optimized UI with Next.js, increasing traffic visibility by 45%. Developed backend modules in Ruby on Rails for video calls, prescription handling, and secure storage, integrating third-party APIs like Stripe and Twilio. Collaborated directly with founders to accelerate MVP delivery; app reached 1,500+ users in 3 months.
Junior Full Stack Developer
Wavenex
Sep 2017 - Jun 2019 (1 year 9 months)
Constructed interactive UIs using React and Vite, improving customer satisfaction metrics. Implemented RESTful services with Node.js, TypeScript, and Express, supporting thousands of concurrent users. Refactored legacy code into modular TypeScript structures, decreasing error rates by 30% and maintained high test coverage through automated workflows.
Education
Degrees, certifications, and relevant coursework
TKThe University of Hong Kong
Bachelor of Computer Science, Computer Science
2013 - 2017
Studied core concepts in computer science, including programming, data structures, and algorithms. Gained foundational knowledge in software development principles and practices.
Tech stack
Software and tools used professionally
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