Principal Frontend Engineer (ReactJS/AI)
Urgent
Ho Chi Minh
Tech/Engineer
Job Description
We are looking for a frontend engineer to lead the development of our AI Agent platform/application from the ground up. The ideal candidate has experience building complex web applications, crafting intuitive user experiences, and collaborating effectively with cross-functional teams.
Responsibilities
- Lead frontend development of the AI Agent platform or application from scratch, ensuring high performance, responsiveness, and usability
- Design and implement complex UIs that interact seamlessly with backend APIs, real-time agent outputs, and developer toolchains
- Collaborate with design and product teams to translate user needs and business goals into elegant, scalable interfaces
- Introduce tools, frameworks, and development practices to improve frontend engineering efficiency and maintainability
- Mentor and support the growth of team members by helping them deepen their frontend expertise and best practices
- Take technical leadership across a cross-functional team—including frontend, backend, AI, and SRE engineers—and drive the overall development process
Requirements
- Technical
- Must have
- 5+ years of experience in web development
- 3+ years of experience with React.js and TypeScript
- Solid understanding of:
- Modern frontend architecture and state management (e.g., Redux, Context API)
- Component-based UI development and performance optimization
- Frontend testing frameworks (e.g., Mocha or Jest)
- Browser rendering behavior and accessibility best practices
- Experience with:
- Next.js and Webpack
- Git-based development workflows
- Docker and containerized development environments
- Monitoring and debugging with tools like Datadog, Rollbar
- Operating and maintaining frontend applications in production environments
- Agile development processes
- Nice to have
- Experience with:
- Integration with AI APIs (e.g., LLM-based outputs)
- Reading or navigating Python (FastAPI) backend code
- MySQL or basic relational database understanding
- Practical knowledge in:
- B2B SaaS product development, especially for back office domains
- Collaborating with backend engineers on API design and integration
- Performance profiling and web vitals monitoring
- Infrastructure as Code (IaC) and CI/CD pipeline automation
- Communication
- Experience leading a project as a team lead (required for Leader position)
- Experience mentoring or educating team members
- Strong sense of ownership and accountability
- Business-level English (reading & writing)
Our benefits
Caring Mental & Physical Recreation
- Hybrid working: 2 days at the office and 3 days WFH
- Working hour: Flexible start 8AM-9AM from Mon-Fri
- Full salary in probation
- Insurance: Applied from Probation period:
- Social Insurance, Health Insurance, Unemployment Insurance (on 100% salary)
- Private health insurance & accident insurance. From Managing level: extra for family members
- Bonus: 13th month salary
- 16 - 24 paid days off and more
- Paternity leave: Extra 5 days
- Annual company trip; Quarterly team building
- Billiards & Running club
- Annual health check
- Well-equipped facility: Macbook pro, additional monitor,..
Caring Career & Development
- Clear Career path
- Foreign language & International technology-related certifications sponsoring
- External & internal training courses
- Soft-skill workshops
- Tech seminars
- Monthly and biannual Recognition Awards
- Performance & salary review: twice/year (Jun & Dec)
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