Expert Frontend Engineer (React.JS & React Native)

Vanguard Software Group; Singapore; On-site; SGD 140,000 - 210,000; Full time

Job summary

Vanguard Software Group seeks an Expert Frontend Engineer to provide technical leadership across web and mobile domains. You will drive architecture, scalability, and performance of next-generation UIs using React.js and React Native.

This role involves mentoring engineers, defining frontend standards, and collaborating with product and design to deliver high-quality, accessible interfaces at scale. English proficiency is essential; Mandarin is highly desirable.

Qualifications

• 8+ years of experience building large-scale frontend systems in web and mobile.
• Experience with React.js and React Native.
• Ability to design scalable, high-performance frontend architecture.
• Experience establishing frontend standards, CI/CD, and design system governance.
• Fluency in English; Mandarin desirable.

Responsibilities

• Lead frontend architecture across web and mobile domains.
• Guide multiple teams through architectural decisions, design reviews, and technology evaluations.
• Translate complex product goals into pragmatic, scalable frontend architectures.
• Build reusable UI components and design systems to promote efficiency and quality.
• Mentor engineers and champion engineering culture.

Skills

React.js

React Native

Frontend architecture

Design systems

Mentorship

CI/CD

Performance optimization

Accessibility

Education

Bachelor's degree in Computing/Software Engineering/IT

Tools

Webpack

Jest

CI/CD tooling

Job description

We are seeking an Expert Frontend Engineer to provide technical leadership across web and mobile domains. You will drive the architecture, scalability, and performance of next-generation user interfaces using React.js and React Native. As a domain expert, you will influence cross-team technical direction, mentor engineers, and define best practices that elevate frontend engineering across the organization. This role is ideal for a highly experienced frontend engineer who excels in building high-quality, maintainable, and engaging user experiences at scale.

JOB DUTIES:

• Frontend Architecture: Design and review scalable, high-performance, and maintainable frontend systems across web and mobile platforms. Ensure consistency, responsiveness, and accessibility across devices.
• Technical Leadership: Act as a frontend domain expert, guiding multiple teams through architectural decisions, design reviews, and technology evaluations.
• Business Alignment: Translate complex product and business goals into pragmatic, scalable frontend architectures that support long-term growth and innovation.
• Reusable Components & Design Systems: Build reusable UI components and design systems to promote efficiency, consistency, and quality across teams.
• Process Innovation: Define and enforce engineering standards, tooling, and best practices in areas such as performance monitoring, test automation, CI/CD, accessibility, and cross-platform deployment.
• Mentorship & Collaboration: Mentor engineers, lead knowledge sharing initiatives, and cultivate a collaborative and high-performance engineering culture.

JOB REQUIREMENTS:

• Bachelor's Degree of Computing, Software Engineering, IT or related field.
• Experience: Minimum 8+ years of experience building large-scale frontend systems, with expertise in both web (React.js) and mobile (React Native) environments.
• Architectural Skills: Proven ability to design frontend architecture for scalable, performant, and resilient applications, including mobile-web integration, micro-frontend design, and offline support.
• Process Leadership: Experience establishing frontend coding standards, CI/CD pipelines, design system governance, and performance monitoring frameworks.
• Innovation & Problem Solving: Constantly explores and integrates emerging UI/UX trends, frontend technologies, and frameworks that align with business and user needs.
• Risk & Impact Awareness: Anticipates UI/UX risks and long-term tech debt. Designs for maintainability, accessibility, and observability from the ground up.
• Fluency in written and spoken English and Mandarin is highly desirable to liaise with Chinese speaking clients and counterparts to understand their technical requirements.

Soft Skills:

• Influence & Leadership: Drives the adoption of frontend standards, frameworks, and tooling across teams and stakeholders through technical authority and collaboration.
• Decision-Making: Makes thoughtful frontend technology choices backed by user experience insights, system constraints, and long-term business value.
• Communication: Communicates complex frontend concepts clearly and effectively across engineering, design, and product teams. Listens actively and leads productive discussions.
• Collaboration: Acts as a cross-team enabler, fostering a shared understanding of goals, accountability, and innovation across product and engineering.

What We Offer:

• Technical Decision-Making Authority: Lead frontend system architecture and play a central role in shaping the company's cross-platform UI strategy.
• Collaboration with Top Talent: Work with senior engineers, designers, and product leaders to solve complex technical and user challenges.
• Cutting-Edge Technology Practice: Use modern technologies and frameworks to drive innovation while maintaining code quality and user experience.
• Knowledge Leadership Role: Establish engineering culture through technical mentorship, knowledge sharing, and frontend best practice development.