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:

Salary:

Negotiation

Job ID:

J00775

Status:

Close

Related Job:

Software Engineer

Ho Chi Minh - Viet Nam

Outsource

  • Azure
  • .NET

Creating API-based and event-driven integration solutions Developing integration solutions following Azure best practices and cloud-native patterns Constructing integrations using Azure Integration Services like Logic Apps, Functions, API Management, Service Bus, and Event Hubs Installing and managing SAP integrations, such as SAP S/4HANA, SAP PI/PO, or SAP BTP Integration Suite Building and maintaining integrations using C# and the .NET ecosystem Utilizing Infrastructure as Code practices with tools like Terraform Ensuring secure authentication, authorization, and API security utilizing OAuth and best practices Working with architects, developers, and clients to devise end-to-end integration solutions Assisting in deployments, monitoring, and continuous improvement of integration platforms, ensuring reliability and observability in production environments

Negotiation

View details

Senior .NET Engineer

Ho Chi Minh - Viet Nam

Product

  • .NET

Take charge of complex workflows: Collaborate with stakeholders to implement and integrate end-to-end processes, from claim intake to booking, stay, and payment platform. Develop scalable, distributed systems: Build resilient backend services using .NET, with a focus on microservices and ensuring high system reliability. Work on integration-heavy systems: Connect with external insurance and accommodation providers as well as internal systems using APIs and messaging patterns. Ensure system quality and reliability: Write unit and integration tests, troubleshoot production issues, and maintain high standards for performance and stability. Contribute to ongoing improvement: Refine and optimize existing systems, enhance architecture, and embrace best practices in software design. Collaborate in a cross-functional environment: Partner with Dev, PM, and QA engineers to deliver high-quality solutions. Drive technical documentation: Maintain clear and structured documentation to support system evolution and onboarding.

Negotiation

View details

Locomotion Research Engineer

Others - Singapore

Product

Create and train RL locomotion policies for various movement types Establish and maintain simulation environments using custom actuator models to replicate hardware characteristics Implement domain randomization strategy to address simulation-to-reality discrepancies Validate and fine-tune locomotion controllers in simulation and physical platforms Utilize Data Engine telemetry data to refine simulation parameters Collaborate with different teams on issues related to locomotion performance Contribute to open-source releases of locomotion models, training code, and simulation assets

Negotiation

View details