l
lounguyen68

Long Nguyen

@lounguyen68
5.0(1)

Senior Software Engineer

Vietnam
Vietnamese, English
About me
Hi! I’m Long Nguyen, a Top Rated Full Stack & React Native Developer with 4+ YoE building web and mobile applications. I specialize in React Native mobile apps and modern full-stack development with ReactJS / Next.js and Node.js / NestJS. I’ve built and shipped production applications serving 100,000+ users with 25,000+ MAU and 98%+ crash-free rate across iOS and Android. I help startups and businesses turn ideas into high-performance, scalable applications with clean architecture and smooth user experience. ... Read more

Skills

l
lounguyen68
Long Nguyen
Offline • 

See my services

Cross-Platform Development
I will create a mobile app
5.0(1)

Portfolio

Work experience

Scopus

Scopus

Self-employed • 4 yrs 11 mos

Senior Software Engineer

Jan 2025 - Present1 yr 4 mos

− Developed web & mobile solutions for startups and small businesses. − Lead a small development team, coordinate tasks, review code, and ensure delivered on time. − Explore and apply agentic AI coding workflows to improve development productivity.

Senior Software Engineer

Dec 2023 - Feb 20262 yrs 2 mos

− Shipped social web & mobile app serving 100,000 users, 20,000 MAU, with >98% crash-free. − Developed mobile app features with React Native; built, maintained web using Next.js, Angular. − Implemented and maintained CI/CD pipelines to automate build and deployment for mobile & web. − Worked in Agile/Scrum; acted as Scrum Master to facilitate ceremonies and track sprint progress. − Used AI Agents (Cursor, Claude Code) improve performance.

Software Engineer

Jul 2022 - Dec 20231 yr 5 mos

- Participate in mobile application development using React Native & Flutter technology - Implement system UI based on system design - Developing state management and form validation functions

1 Reviews
5.0

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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-1 out of 1 Reviews
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Most relevant
    M
    image-docs

    miaalison

    GB

    United Kingdom

    5

    Long was highly professional throughout the project and delivered excellent work on the app. He showed strong technical ability, good attention to detail, and a clear understanding of the development requirements. The final result met my expectations, and he was cooperative, responsive, and proactive...

    $1,500-$2,000

    Price

    4 months

    Duration

    gig

    Cross-Platform Development

    Helpful?
    Yes
    No