Expert Frontend Engineer (React.JS & React Native)

VANGUARD SOFTWARE PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

An innovative tech company is seeking an Expert Frontend Engineer to lead the development of scalable, high-performance user interfaces using React.js and React Native. The role includes mentoring engineers, guiding architectural decisions, and ensuring best practices in frontend development. Ideal candidates should have significant experience designing complex frontend systems and effective communication skills in English and Mandarin.

Qualifications

• Minimum 8+ years of experience building large-scale frontend systems.
• Expertise in both web (React.js) and mobile (React Native) environments is required.
• Strong command of common frontend technologies and design principles.

Responsibilities

• Drive the architecture and performance of frontend systems across web and mobile.
• Act as a technical leader and mentor for multiple engineering teams.
• Define best practices to ensure high-quality, maintainable user experiences.

Skills

JavaScript

React.js

React Native

TypeScript

Redux/Zustand

Next.js

Expo

Performance Monitoring

Education

Bachelor's Degree in Computing, Software Engineering, IT or related field

Job description

JOB SUMMARY:
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.

KEY RESPONSIBILITIES:

• 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.
• Tech Stack Expertise: Strong command of JavaScript/TypeScript, React.js, React Native, Redux/Zustand, Next.js, Expo/Metro bundler, and related frontend tooling.
• 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.