Frontend Developer (B2B Systems)

About the role

WEJOY, a Singapore-based internet company founded in 2020, develops and operates social and casual games, including its online social gaming platform WePlay. It is looking for a frontend engineer who is passionate about B2B (business-facing) products; experience in consumer-facing (C-end) development is a plus.

Key responsibilities

• Develop and optimise the frontend of internal systems and selected consumer-facing pages.
• Improve the frontend architecture to enhance system stability, scalability and user experience.
• Contribute to the internal efficiency platform by integrating AI coding tools to streamline development, debugging, testing and code review.
• Collaborate with product, design and QA teams to ensure product quality and on-time delivery.

Required profile

• 3+ years of frontend development experience; outstanding fresh graduates are also welcome.
• Ability to reproduce design mockups with high fidelity, with good coding style and architecture design skills.
• Hands-on experience in performance optimisation and browser compatibility.
• Familiarity with AI coding tools such as Claude Code and Codex, used to break down tasks, organise context and complete development, debugging and refactoring.
• Ability to review and correct AI-generated code, validate results through testing and runtime checks, and take ownership of deliverable quality.
• Rigorous work ethic, proactive attitude, and strong communication, collaboration and analytical problem-solving skills.

Required skills

• Solid understanding of JavaScript and strong command of HTML5, CSS3 and React, including knowledge of React's internals.
• Familiarity with Git, Node.js, frontend build tools and frontend engineering practices, with a basic understanding of backend development and API design.
• Good to have: experience with internal systems (approval workflows, HR, payroll, finance, data analytics) or low-code platforms, AI coding workflows, full-stack projects with AI-assisted coding, and an interest in engineering efficiency, UX, performance or information security.