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:

Locomotion Research Engineer

Others - Singapore


Product

Design and train RL locomotion policies for bipedal walking, lateral movement, push recovery, and dynamic motion Develop and maintain MuJoCo-based simulation environments with custom actuator models that faithfully reproduce hardware IO timing, CAN bus delays, and motor saturation characteristics Own the domain randomization strategy: model the specific sources of sim-real mismatch and randomize what is genuinely uncertain, not everything Run processor-in-the-loop validation, including real firmware against simulated robots over virtual CAN, before any policy touches hardware Deploy and tune locomotion controllers on Asimov, iterating rapidly across sim and physical platforms Work with Data Engine telemetry to refine domain randomization and close identified sim-real gaps Collaborate with firmware, mechanical, and perception teams on cross-stack issues affecting locomotion performance Contribute to open-source releases of locomotion models, training code, and simulation assets

Negotiation

View details

Staff Engineer, Firmware

Others - Singapore


Product

  • Firmware
  • C/C++

Architect and build the firmware stack for Asimov from scratch, including OS selection, toolchain setup, and board support package development Design and implement firmware for real-time processing units across Asimov's hardware platform Build and maintain embedded Linux environments for onboard compute, including BSP bring-up, device tree configuration, kernel driver development, and userspace/kernel interfaces Develop and maintain low-level drivers for actuators, sensors, IMUs, and communication buses (CAN, EtherCAT, SPI, I2C, UART) Architect real-time control loops with strict latency and determinism requirements Collaborate with mechanical, electrical, and controls engineers to co-design hardware and firmware interfaces Build tooling for firmware flashing, diagnostics, and in-field debugging Define and enforce firmware architecture standards, code quality practices, and review processes across the team Contribute to hardware bring-up for new revisions of Asimov, from schematic review through validation

Negotiation

View details

iOS Engineer - GSaaS

Ho Chi Minh - Viet Nam


Product

  • iOS
  • Swift
  • Objective-C

Creating and managing essential features for various services (Message, Mail, Drive, Notes, Survey, etc.) Ensuring the stability of services and providing ongoing support Working closely with diverse teams to oversee the development of services from start to finish Constantly enhancing app performance, usability, and reliability with a focus on the user experience

Negotiation

View details