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:

Platform Lead

Others - Singapore

Product

  • Backend
  • Devops
  • Data Engineering

Architect and scale distributed systems that handle petabytes of sensory, telemetry, and control data across cloud and edge environments, connecting fleets of robots in real time. Design and build the API Platform, delivering high reliability, world class developer experience, and production grade multimodal AI capabilities via intuitive APIs and SDKs. Build large scale training and inference platforms for multimodal foundation models powering robot autonomy, teleoperation, and developer integrations. Design data ingestion and streaming pipelines connecting robot fleets to the cloud in real time, covering video, LiDAR, joint states, and audio. Manage and evolve a modern cloud native infrastructure stack using Kubernetes, Docker, and infrastructure as code tooling. Ensure platform reliability through telemetry, monitoring, alerting, autoscaling, failover, and disaster recovery mechanisms. Lead infrastructure decisions spanning distributed storage, consensus protocols, GPU orchestration, network reliability, and API security. Collaborate across ML, robotics, and product teams to support hardware in the loop simulation, policy rollout, continuous learning, and CI/CD workflows. Implement secure APIs with fine grained access control, usage metering, rate limiting, and billing integration as we scale to serve millions of users.

Negotiation

View details

Embedded Software Engineer (Chinese Speaking)

Ho Chi Minh - Viet Nam

Outsource

  • Embedded

Create, maintain, and enhance complex embedded software components as per technical and business needs. Conduct software requirement engineering by validating and analyzing customer requirements. Integrate software components and merge them into a unified build. Develop and implement test cases to verify software functionality and ensure it meets quality standards. Adhere to established software development processes and coding standards to produce reliable code for embedded systems. Use debugging and analysis tools to troubleshoot software defects and performance issues. Provide guidance to junior engineers on technical tasks, coding practices, and problem-solving. Contribute to technical reviews and knowledge-sharing sessions within the team. Ensure compliance with industry standards, regulatory requirements, and quality frameworks relevant to assigned projects.

Negotiation

View details

Senior Backend Engineer (Python/AWS)

Ho Chi Minh - Viet Nam

Outsource

  • Python

Our company, with expert teams in Berlin and Ho Chi Minh City, provides innovative software solutions for startups and leading enterprise businesses in Germany. The team in Berlin and Ho Chi Minh City collaborates to develop high-quality solutions. We are seeking a Senior Backend Engineer (Python/AWS) to join our team in Ho Chi Minh City. This role is ideal for team players interested in building an international career as a product builder as well as a coder. Developing and maintaining scalable backend services using Python for a live product Designing and implementing robust $1ESTful APIs and backend systems following industry best practices Leading the design and development of cloud-native backend solutions on AWS (e.g., ECS, SQS, SNS) Driving the architecture and scalability of backend systems for reliability, performance, and maintainability Defining and enforcing coding standards, testing strategies, and best practices across the backend codebase Implementing and overseeing observability practices, including monitoring, logging, and alerting Collaborating closely with frontend engineers, QA, DevOps, and product stakeholders to deliver high-quality solutions Conducting code reviews, technical design reviews, and architectural discussions Leading troubleshooting and root-cause analysis of complex production issues Mentoring junior and mid-level engineers and supporting their technical growth Contributing to technical documentation, system design documentation, and knowledge sharing Staying up to date with emerging technologies and driving technical innovation within the team

Negotiation

View details