Principal Frontend Development Engineer (Contract)

QUESS SINGAPORE; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

QUESS SINGAPORE is seeking a Senior Frontend Architect to lead the development of large-scale web applications using React and Next.js. You will drive performance improvements, ensure cross-device consistency, and design reusable frontend components while maintaining coding standards.

Ideal candidates will have 15+ years in software engineering, 8+ years in frontend with React, and proven leadership across China and Southeast Asia.

Qualifications

• Bachelor's degree or above in relevant field.
• 15+ years of professional software engineering experience.
• 8+ years frontend development with React.
• Experience leading teams in China and Southeast Asia.
• Strong understanding of responsive design and frontend performance optimization.

Responsibilities

• Lead development of web apps using React and Next.js.
• Improve frontend performance and responsiveness.
• Ensure consistent functionality across devices and browsers.
• Design solutions for complex frontend modules and build reusable components.
• Provide technical guidance and collaborate with product/design/backend teams.

Skills

Leadership

Architectural vision

Mentoring

Stakeholder management

Problem solving

Communication

Bilingual English Mandarin

Education

Bachelor's degree in CS/Engineering

15+ years software engineering

8+ years frontend with React

Staff/Principal Engineering experience

Experience with China/Southeast Asia

BATX firms preferred

Experience with Chinese and international markets

Open-source contributions

Publications/patents/speaking

Tools

React.js

Next.js

TypeScript

JavaScript

HTML5

CSS3 / SCSS

Redux

State management frameworks

Job description

Responsibilities

• Lead the development of web applications using React and Next.js, translating designs into reliable, user-friendly interfaces.
• Improve frontend performance, including page loading, rendering, and responsiveness.
• Ensure consistent functionality across devices, screen sizes, and browsers.
• Design solutions for complex frontend modules, build reusable components, and maintain coding standards.
• Provide technical guidance and collaborate with product, design, and backend teams to deliver features and resolve production issues.

Requirements

Education (Mandatory)

• Bachelor's Degree or above in Computer Science / Engineering / Software Engineering
• Experience working with Chinese technology ecosystems and e-commerce platforms
• Working experience is highly advantageous on any of these:
• - Alibaba Cloud
• - WeChat ecosystems
• - Tencent Cloud
• - China-based payment integrations
• Strong experience working with and leading teams in China and Southeast Asia.
• Working experience with BATX (Baidu, Alibaba, Tencent Xiaomi) firms in China would be preferred
• 15+ years of professional software engineering experience.
• 8+ years specializing in frontend development experience with React, including technical ownership of complex web applications.
• 4+ years in a Staff Engineer, Principal Engineer, Technical Lead, or Architect role.
• Experience developing products for Chinese and international markets.
• Contributions to open-source projects.
• Technical publications, patents, or conference speaking engagements.
• Proven experience leading enterprise-scale frontend architecture initiatives.
• Prior experience in multinational technology organizations is highly desirable
• Sound understanding of responsive design, browser behaviour, and frontend performance optimisation.
• Ability to write maintainable code, explain technical decisions, and guide other engineers.

Frontend Technologies

Expert-level experience in:

• JavaScript (ES6+)
• TypeScript
• HTML5
• CSS3 / SCSS

• React.js (Practical experience with Next.js, including server-side rendering and static site generation)

• Next.js
• Vue.js (preferred)
• State management frameworks (Redux, Zustand, MobX, Pinia)

Technical Skills

Architecture & Design

Strong experience with:

• Micro Frontends
• Domain-Driven Design concepts
• Design Systems
• Component Libraries
• API Integration
• Responsive Design
• Frontend Security Best Practices
• Performance Optimization

Cloud & DevOps

Experience with:

• AWS, Azure, or Alibaba Cloud
• Docker
• Kubernetes
• CI/CD Pipelines
• GitHub Actions
• GitLab CI
• Monitoring and Observability Tools

Language Requirements

• Professional proficiency in English.
• Native level proficiency in Mandarin Chinese (spoken and written) as this role requires extensive communication in Mandarin to communicate technical concepts effectively with global stakeholders based in China and Greater China (Macau, Hong Kong, Taiwan)

Leadership Competencies

• Strategic thinker with strong architectural vision.
• Influential technical leader with excellent stakeholder management skills.
• Strong mentoring and coaching capabilities.
• Excellent problem-solving and analytical skills.
• Ability to drive alignment across multiple engineering teams.
• Strong business acumen and customer focus.

Disclaimer: The company is committed to ensuring theprivacy and security of your information. By submitting this form, youconsent to the collection, processing, and retention of the information youprovide. The data collected (which may include your contact details,educational background, work experience and skills) will be used solely for thepurpose of evaluating your qualifications for the position you're applying for.Your data will be stored securely and retained for the duration necessary tofulfill our hiring process. If you are not selected for the position, your datawill be kept on file for a limited period in case future opportunities arise.You have the right to access, correct, or delete your data at any time bycontacting us at Quess Singapore | A Leading Staffing Services Provider inSingapore (quesscorp.sg)

“This is in partnership with the Employment and Employability Institute Pte Ltd (“e2i”).

e2iis the empowering network for workers and employers seeking employment and employability solutions. e2iserves as a bridge between workers and employers, connecting with workers to offer job security through job-matching,career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions.e2iis a tripartite initiative of the National Trades Union Congress setup to support nation-wide manpower and skills upgrading initiatives.By applying for this role, you consent toQuesscorp Singapore’s PDPA and e2i’sPDPA. By submitting your application for this position, you consent to the collection, use, and disclosure of your personal data by Quesscorpand its recruitment partners, including Employment and Employability Institute Pte Ltd, for the purpose of i) employment facilitation and ii) data and statistical analysis.You may find out more information on the PDPA policies at Quesscorp website and[https://www.e2i.com.sg/pdpa/].