Frontend Engineer (JavaScript/ReactJS) - Captcha & SmartID

NAVER Corp is South Korea's leading technology company, best known for the NAVER search engine, LINE messenger (200M+ users), SNOW app, and NAVER WEBTOON. In 2018, NAVER was ranked 9th most innovative company globally by Forbes and listed in Fortune's top 6 Future 50.

NAVER Vietnam

In 2021, NAVER expanded into Vietnam to tap into the country's growing Information Technology market by initially partnering with two leading universities in Hanoi. Later that year, the NAVER Vietnam Development Center (NVDC) was established in two major cities: Ho Chi Minh City and Hanoi.

With rapid growth, NAVER Vietnam is currently delivering a range of large-scale services, including NAVER Financial (Npay), NAVER Clip, Weverse, NAVER WORKS, and other Global NAVER platforms. Upholding the core values of "Autonomy - Challenge - Teamwork", the company is committed to becoming one of Asia's most advanced development centers.

In both 2023 and 2025, NAVER Vietnam was honored as the Best IT Company in Viet Nam by ITViec.com - a remarkable milestone that reflects its rapid growth and innovation.

Develop and enhance the Company's services

Design and implement the Company's Captcha SDK

Conduct research on CAPTCHA technologies using AI

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

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

A work-life balance: A-class brand new offices located in the city center with flexible working

option; Annual leave 14 days, add 1 day to every year.

Competitive income package: Performance appraisal every year, incentive bonus...

Learning and development opportunities: We provide annual budget for employee to learn anything related to languages and technologies & monthly budget for buying any books you want to read.

Protecting and enhancing healthcare plan for you and your family: We provide premium heath insurance for you and 2 family members, health-check every year and premium gym membership.

Employee 's engagement activities: You will be involved in a fun and respectful working environment, we support monthly budget for team 's engagement.

Other benefits: One-off allowance for setting up working from home corner, work dedication bonus

PEGASI – IT Recruitment Consultancy | Email: recruit@pegasi.com.vn | Tel: +84 28 3622 8666