Frontend Engineer (JavaScript/ReactJS) - Captcha & SmartID

ABOUT CLIENT

Our client is a top company in internet services and digital content

JOB DESCRIPTION

Improve and expand services
Create and execute Captcha SDK
Carry out research on CAPTCHA technologies using AI

JOB REQUIREMENT

At least 4 years of front-end development experience using ReactJS, Next.js, JavaScript, and HTML/CSS
In-depth knowledge of JavaScript and core web technologies
Practical experience in cross-browser and cross-device development
Enthusiasm for discussing frontend system stability and scalability
Strong grasp of asynchronous request handling, AJAX, Node.js, and SSR
Understanding of data structures, algorithms, and distributed service architecture
Familiarity with front-end performance optimization and debugging tools (e.g., Chrome, Safari DevTools)
Proficiency in CI/CD pipelines and unit testing frameworks
Proven track record of collaborating across multiple teams to deliver high-quality products
Prior experience in developing SDKs or CAPTCHAs, or a strong willingness to learn
Familiarity with integrating code obfuscation and protection techniques into client-side applications
Background in developing video content platforms, especially short-form or media-rich services
Experience working on large-scale, high-traffic frontend systems

WHAT'S ON OFFER

Work-life balance: Access to offices in central locations with flexible working options, as well as increasing annual leave entitlement based on years of service.
Competitive income package: Annual performance reviews and bonus incentives available.
Learning and development opportunities: Budget allocations for language and technology learning, as well as a monthly book budget.
Healthcare plan: Premium health insurance for employee and two family members, annual health checks, and premium gym membership.
Employee engagement activities: Support for team engagement activities within a positive and enjoyable work environment.
Additional benefits: One-time allowance for setting up a home office, as well as work dedication bonuses.

CONTACT

PEGASI – IT Recruitment Consultancy | Email: recruit@pegasi.com.vn | Tel: +84 28 3622 8666
We are PEGASI – IT Recruitment Consultancy in Vietnam. If you are looking for new opportunity for your career path, kindly visit our website www.pegasi.com.vn for your reference. Thank you!

Job Summary

Company Type:

Product

Technical Skills:

Frontend, Javascript, ReactJS

Location:

Ho Chi Minh - Viet Nam

Working Policy:

Job ID:

J00775

Status:

Close

Related Job:

AI Software Transformation Engineer (Distributed Computing)

Ho Chi Minh - Viet Nam

Product

  • Data Engineering
  • Backend
  • Spark
  • AI

Create an advanced AI-powered software transformation framework to speed up the modernization of complex analytical applications. Develop architectural patterns and transformation methodologies for converting outdated computational tools into scalable cloud-native solutions. Utilize AI agents, LLMs, and emerging AI engineering techniques to automate software analysis, code transformation, validation, and optimization. Work with distributed computing specialists to design target architectures that leverage Spark-based execution models for large-scale data processing. Lead technical investigations into restructuring, decomposing, or re-implementing existing software systems for efficient operation in distributed environments. Develop reusable transformation pipelines, automation tooling, and engineering frameworks for large-scale software modernization. Establish validation strategies and quality frameworks to ensure that transformed systems maintain functional correctness and reproducibility. Make architectural decisions regarding scalability, maintainability, performance, and long-term platform evolution. Collaborate with domain experts to understand application requirements and translate them into scalable technical solutions. Prototype and assess new AI-assisted engineering approaches to enhance transformation speed, engineering productivity, and software quality. Contribute to the organization's long-term strategy for AI-driven software modernization and engineering automation.

Negotiation

View details

Senior Quality Engineer (Automation, Backend)

Ho Chi Minh - Viet Nam

Product

  • Automation Test

Lead test automation strategy and framework design for backend and cloud-based services. Drive end-to-end test automation initiatives using Cypress to ensure seamless user experiences. Perform thorough manual testing for complex workflows requiring deep attention to UX and usability details. Implement continuous integration and deployment test practices such as GitHub Actions and Jenkins. Collaborate with developers and DevOps to enhance test reliability and coverage. Review code and advocate for QA best practices across teams. Identify quality risks early and actively seek solutions. Ensure release compliance through test result reporting.

Negotiation

View details

Senior Quality Engineer (Automation, Full Stack)

Ho Chi Minh - Viet Nam

Product

  • Automation Test

Develop a test automation strategy and framework for backend and cloud-based services. Implement E2E test automation initiatives, using Cypress to ensure smooth user experiences. Perform thorough manual testing for complex workflows focusing on UX and usability details. Write and manage frontend component and unit tests using Jest and React Testing Library. Create and execute API-level test suites, covering REST endpoints and validating request/response contracts and error handling. Verify data integrity from UI interactions through the API layer down to database state. Implement continuous integration and deployment test practices (e.g., GitHub Actions, Jenkins). Collaborate with developers and DevOps to enhance test reliability and coverage. Review code and advocate for QA best practices. Anticipate quality risks and drive proactive solutions. Ensure compliance with releases through test result reporting.

Negotiation

View details