Job Description

Senior Frontend Developer (Vietnamese Speaker)

React.js / Next.js / TypeScript | Good English

About the Role

ATS Vietnam is looking for a Senior Frontend Developer to build and enhance high-performance web applications, with a focus on real-time dashboards, data-heavy interfaces, and interactive data visualization.

You will work closely with Backend Engineers, Product Owners, and international teams to develop scalable and responsive applications for real-time financial data and trading workflows.

Key Responsibilities

Develop and maintain modern web applications using React.js, Next.js, and TypeScript.
Build responsive, high-performance UIs for trading platforms, analytics tools, and real-time dashboards.
Develop interactive data visualization for large and real-time datasets.
Integrate frontend applications with backend services through REST APIs, WebSockets, and SSE.
Optimize frontend performance, UI rendering, state management, and application responsiveness.
Build reusable UI components, frontend libraries, and design systems.
Collaborate with Backend Engineers, Product Owners, and international stakeholders.
Participate in code reviews, technical discussions, and frontend architecture decisions.
Troubleshoot and resolve technical issues to improve application stability and maintainability.
Contribute to automated testing and CI/CD processes where applicable.

Requirements

5+ years of professional Frontend Development experience.
Strong hands-on experience with: React.js, Next.js, TypeScript.
Experience developing high-performance, data-intensive web applications.
Strong experience integrating and consuming REST APIs.
Hands-on experience with WebSockets and/or Server-Sent Events (SSE).
Good understanding of frontend architecture, component-based development, and performance optimization.
Experience with modern state management.
Comfortable working in a Linux development environment.
Good understanding of Git and collaborative development workflows.
Good/Strong English communication skills, both written and verbal.
Comfortable working in a fast-paced engineering environment.
Able to work during the 3:00 PM – 7:00 PM ICT overlap with the London team.

Nice to Have

Experience with D3.js, Highcharts, or similar visualization libraries.
Experience with Redux Toolkit, Zustand, or TanStack Query.
Experience with Jest, Cypress, or similar testing frameworks.
Experience with Docker / Kubernetes / CI/CD.
Experience in Fintech, Trading, Capital Markets, Risk Management, or real-time data platforms.
Understanding of high-frequency data, low-latency systems, and performance optimization.

Contract & Compensation

Salary: Up to 50M VND gross/month, negotiable based on experience and interview performance.
Contract: Initial 3-month project/freelance contract, renewable every 3 months.
Probation:No probation.
SHUI: Contributions based on 100% gross salary from the first onboarding day.
Project: Long-term project with potential for continued extension.
Working environment: International team with opportunities to work on high-performance financial technology platforms.