jpesewang

Leif Le

Passionate about creating innovative solutions and building scalable applications that make a difference in people's lives.

About Me

Software Engineer with 3+ years of experience designing and building scalable web applications across finance, government, and edtech sectors. Strong expertise in React, TypeScript, and modern frontend architectures, combined with hands-on backend development using NestJS and PostgreSQL.

A collaborative team player with project leadership experience, adept at guiding teams in Agile environments to achieve project goals. Seeking a challenging remote role to contribute to impactful frontend projects.

Skills & Technologies

Frontend
ReactReact NativeNext.jsTypeScriptTailwind CSSSharePoint Framework (SPFx)
Backend
Node.js.NETSpringBootSQLMongoDB
Tools & Others
Microsoft Power Platform AWSGit AzureREST APIs

Experience

Software Engineer
Digital Unicorn
08/2025 - Present
Da Nang, Viet Nam
  • Developed full-stack web applications using React, TypeScript, and NestJS, delivering scalable user interfaces and backend APIs.
  • Designed and maintained RESTful APIs with NestJS, integrating PostgreSQL databases for reliable data storage and query performance.
  • Optimized applications for maximum performance and scalability and maintained clean, well-documented, and reusable code.
  • Participated in code reviews and contributed to best practices and frontend standards.
Software Engineer | SDET
Code Crafters
06/2024 - Present
Da Nang, Viet Nam
  • Founded and led CodeCrafter, an adaptive learning platform helping students master exam preparation through flashcards, AI-assisted testing, and personalized progress tracking, reaching 1,000+ active users within the first 6 months of launch.
  • Managed client outsourcing projects, delivering tailored web applications with end-to-end architecture, deployment, and ongoing maintenance.
Software Developer
AvePoint
09/2023 - 08/2025
Da Nang, Viet Nam
  • Collaborated with a cross-functional, international team—including PMs, BAs, and QAs from Singapore and China to ensure smooth delivery across time zones and roles.
  • Provided guidance and support to team members, including new developers, to ensure smooth integration into the project and phase.
  • Boosted application performance through API optimization and codebase refactoring.
  • Ensured software reliability and stability by proactively monitoring code performance, identifying bugs, and implementing effective solutions.
Full-stack Developer
Viral Profits
05/2024 - 08/2024
Remote, US
  • Developed an e-learning platform teaching faceless YouTube content creation, integrating payment processing and automated student engagement, focusing on user-friendly navigation and responsive design.
  • Built systems for quizzes, seamless checkout processes, and booking calendars, enhancing user engagement.
  • Integrated video playback for e-learning modules, ensuring compatibility performance across devices.
  • Implemented payment gateways and managed user subscriptions to facilitate a streamlined purchase experience.
  • Collaborated on Slack API integration for team notifications and updates related to the platform.
  • Delivered high-quality, scalable React applications, meeting project requirements and exceeding user expectations.
Intern Front-End Developer
NCC Asia
06/2023 - 08/2023
Da Nang, Viet Nam
  • Built and optimized an internal timesheet management system using React, enhancing tracking and reporting efficiency.
  • Learned modern web development practices.
  • Collaborated with designers and project managers.
  • Identified and resolved performance bottlenecks, improving application speed and reliability.

Featured Projects

Some of my recent work