Frontend Engineer (JavaScript/ReactJS) - Captcha & SmartID
TLDR
Develop and enhance NAVER services, design and implement the NAVER Captcha SDK while conducting research on advanced CAPTCHA technologies powered by AI.
About NAVER Corp and NAVER Vietnam:
NAVER Corp is a global tech leader behind products like NAVER, LINE, and NAVER WEBTOON, driving innovation in AI, cloud, and digital content.
Founded in 2021, NAVER Vietnam is a fast-growing Development Center delivering global services such as Npay, Weverse, and NAVER WORKS. Guided by Autonomy – Challenge – Teamwork, the company is recognized as Best IT Company in Vietnam (ITViec, 2023 & 2025).
Vietnam Visual eXperience (VVX) focuses on next-gen media technology (e.g., CHZZK, Virtual Streamers, K-POP, Drama), combining AI, real-time rendering, and virtual production to power immersive content experiences across NAVER’s global platforms.
Learn more about us: https://navercorp.vn/
Your daily tasks:
- Develop and enhance the NAVER services
- Design and implement the NAVER Captcha SDK
- Conduct research on CAPTCHA technologies using AI
Your background:
- 4+ years of experience in front-end development using ReactJS, Next.js, JavaScript, and HTML/CSS
- Strong understanding of JavaScript and core web technologies
- Hands-on experience with cross-browser and cross-device development
- Passion for discussing frontend system stability and scalability
- Solid understanding of asynchronous request handling, AJAX, Node.js, and SSR
- Familiarity with data structures, algorithms, and distributed service architecture
- Experience with front-end performance optimization and debugging tools (e.g., Chrome, Safari DevTools)
- Experience with CI/CD pipelines and unit testing frameworks
- Proven ability to collaborate across multiple teams to deliver high-quality products
It’s a big plus if you:
- Experience developing SDKs or CAPTCHAs, or strong motivation to learn
- Experience integrating code obfuscation and protection techniques into client-side applications
- Experience developing video content platforms, especially short-form or media-rich services
- Experience working on large-scale, high-traffic frontend systems
- Competitive rewards: Various additional bonuses based on work performance
- Continuous growth: Self development allowance and annual learning budget (Udemy, Coursera)
- AI-powered work: Access to Claude Code Enterprise — build faster, smarter, and focus on what truly matters
- Premium healthcare: Coverage for you and family members, annual check-ups
- Strong culture: Team activities, hobby clubs, and celebrations
- Modern environment: Latest equipment, great peers, supportive leaders
- Recognition & perks: Dedication bonus, referral bonus, home and office support
…and an environment where you can grow faster, build meaningful products, and do your best work.
By applying to NAVER Vietnam, the candidate confirms that all information provided is true and correct. Any false or misleading information may result in disqualification from the recruitment process or termination of employment if discovered later.
By clicking “Submit Application,” you agree to allow NAVER Vietnam to process your personal data in accordance with our Data Policy. This includes storing, reviewing, and sharing your information with relevant parties involved in the recruitment process.
Please use a real personal photo (not an AI-generated one) throughout the recruitment process.
Benefits
Equity Compensation
Various additional bonuses based on work performance
Health Insurance
Coverage for you and family members, annual check-ups
Learning Budget
Self development allowance and annual learning budget (Udemy, Coursera)
Dedication and referral bonus
Dedication bonus, referral bonus, home and office support
NAVER Vietnam is a development center of NAVER Corp, South Korea's leading technology company, which is known for its diverse platforms like the NAVER search engine and LINE messenger. Focused on the Information Technology market, NAVER Vietnam is dedicated to delivering large-scale services and becoming a key player in advancing digital experiences across Asia.