ReactJS Developer

Avensys Consulting Pte Ltd; Singapore; On-site; SGD 60,000 - 110,000; Full time

Job summary

Avensys Consulting Pte Ltd is seeking a React Developer to design, build and operate modern web applications on React. You will own front-end architecture end-to-end, ensuring reliability, performance, accessibility, and security.

Collaborate closely with BAs and backend teams to deliver production-ready UX on enterprise cloud platforms. Role requires deep hands-on React expertise, TypeScript, and solid experience with CI/CD, testing, and modern web fundamentals.

Qualifications

• Bachelor's degree or equivalent in Computer Science or related field.
• Minimum 2 years hands-on React development experience.
• Strong knowledge of TypeScript and modern ES features.
• Experience with component architecture and reusable UI patterns.
• Familiarity with REST APIs, data fetching, and error handling.
• Experience with testing (Jest, React Testing Library, Cypress/Playwright).
• Knowledge of CI/CD deployments (GitLab/Azure DevOps) and automation.

Responsibilities

• Deliver features end‑to‑end and translate requirements into React components.
• Collaborate with BAs and backend teams to ensure quality UX.
• Write clean, testable code with unit/integration tests.
• Ensure accessibility, performance, and security best practices.
• Contribute to a scalable component library aligned with a Design Language System.

Skills

React

TypeScript

REST APIs

CI/CD

Git

Testing

Accessibility

Agile

Education

Bachelor's degree

Tools

Storybook

Jest

Playwright

GitLab

Job description

Job Purpose:

As a React Developer, you will design, build and operate modern web applications on React. You'll own the front-end architecture end-to-end, ensuring reliability, scalability, performance, accessibility and security. You will need to collaborate closely with BAs and backend team to deliver production‑ready user experience. This role requires deep hands‑on React expertise and a strong understanding of secure, compliant delivery on enterprise cloud platforms (e.g. Azure, AWS). Uphold coding standards and guide the team through reviews, testing and CI/CD best practices.

Job Responsibilities:

• Deliver features end‑to‑end, translate business requirements and UX designs into reusable React components and pages, implement scalable state management for complex UI workflows.
• Review requirements and user stories for technical feasibility, scope and risk. Propose pragmatic alternatives when needed.
• Investigate issues, perform root‑cause analysis and implement resilient fixes with tests.
• Write clean, testable code; add unit/integration tests, ensure accessibility (WCAG), performance and security best practices.
• Build and maintain data‑intensive UI such as large and complex forms with strong usability and performance.
• Experience developing transactional web applications with complex workflows is highly preferred.
• Participate in code reviews, maintain coding standards, and improve a scalable component library aligned with a central Design Language System (DLS).
• Partner with BA, clarify edge cases and ensure business value is met.
• Agile way of working, contribute to backlog grooming, daily stand‑ups, and retrospectives; provide accurate estimates.
• Collaborate on CI/CD. Feature flags and observability for safe frequent release.

Skills and Qualifications:

• Minimum a bachelor's degree in a relevant field of study.
• Minimum 2 years of hands‑on React development experience.
• Strong experience with TypeScript, modern ES features, and web fundamentals (HTML5, CSS3, semantic markup, responsive layout).
• Hands‑on experience in component architecture & reusability concept, design and maintain Storybook, build accessible components.
• Strong debugging skills and a structured approach to problem solving.
• Practical experience with Git, branching strategies, and code reviews.
• Strong experience integrating with REST APIs, including handling data fetching, caching, validation, and robust error handling.
• Familiarity with testing tools (Jest, React Testing Library, Cypress/Playwright).
• Familiar with CI/CD deployments (Gitlab/Azure DevOps) with lint / test / build gates, artifact versioning, branching strategies, and preview deployments.
• Knowledge of Agile Methodology process or enterprise cloud platforms (e.g. Azure, AWS); certification will be an advantage.
• Clear, proactive communication and the ability to work closely with Business Analysts and stakeholders.