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Fullstack (NodeJS, ReactJS, NextJS)

freeC's Client
Save Job
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Full time
Hiring 2 people
3 years of experience
Ho Chi Minh & 1 other places
Published 27/02/2026

Job Description

As a leader in the field of Audio AI, we are dedicated to creating innovative solutions that redefine how businesses operate. Our focus is on noise robustness and unparalleled accuracy in voice processing. We are a team of innovators building cutting-edge audio products, and we are looking for a Senior Software Engineer who is passionate about merging AI with seamless web experiences.

Key responsibilities

  • Audio-Centric Web Development: Build and optimize high-performance web interfaces using Next.js and React.js to handle complex audio data visualizations and real-time voice processing controls.
  • Scalable Backend Systems: Design and maintain robust Node.js microservices to orchestrate AI model inferences, ensuring low latency and high noise-robustness in voice data handling.
  • Real-time Processing: Implement WebSockets ( Socket.io ) or WebRTC to support seamless, real-time audio streaming and communication between the browser and our AI engines.
  • System Architecture: Architect scalable full-stack solutions with TypeScript, ensuring the system can handle large-scale voice data processing with 99.9% uptime.
  • Performance Tuning: Optimize Server Components and Caching strategies in Next.js to ensure lightning-fast performance for global business clients.
  • Collaboration: Work closely with AI Research Engineers to integrate cutting-edge audio models into production-ready features.

Technical Requirements

  • 3–5+ years of professional experience in Fullstack development.
  • Strong experience with Node.js and React.js (Hooks, State Management like Zustand/Redux).
  • Deep understanding of Next.js (App Router), SSR/SSG, and optimizing Core Web Vitals.
  • Experience with Web Audio APIWebRTC, or handling binary data/audio streams is a huge plus.
  • Proficiency with Docker, AWS/GCP, and CI/CD pipelines to deploy AI-driven applications.
  • Strong experience in writing Unit/Integration tests and conducting rigorous Code Reviews.

Skills

Next.js
ReactJS
nodejs

Benefits

  • Bonus: 13th month salary
  • Providing Employee Stock Ownership Plan to employees as a part of compensation package
  • Annual health check-up
  • The nature of the job is challenging, so you can always promote your capability and interpersonal skills
  • Monthly Employee recognition and rewards
  • Dynamic technology environment, open working, democracy, many corporate activities for active people (sports, vacation, team building activities ...)

Career

Company Info

freeC
Ho Chi Minh
101-300 employees

About

freeC is the Smart Recruiting Platform that leverages matching technology to actively connect hundred of thousand of employers and job seekers. The success of freeC is determined by our success in operating as a unified team. If you're interesting, ambitious, and eager to advance your career with us, explore our vacancies as below. We're excited to have you on board our ship to help us grow fast, deliver on our mission of actively connecting employers and job seekers around Vietnam

Working Address

Lầu 06, Tòa nhà BCONS TOWER II , Số 42/1, Đường Ung Văn Khiêm, Phường 25, Quận Bình Thạnh, TP. HCMView map