Senior Frontend Engineer - WMS
atCP Axtra PCL (Lotus's)
Your Challenge
The Senior Frontend Engineer is to build and improve web applications used by the Warehouse Management System (WMS) team. This role focuses on creating reliable, fast, and easy-to-use interfaces for business users managing replenishment parameters, reviewing order proposals, monitoring exceptions, and taking action. You will work closely with Backend Engineers, Product, and business stakeholders to deliver production-grade features that have real operational impact.
- Build and maintain React applications using TypeScript with strong attention to usability, performance, and maintainability.
- Implement end-to-end user workflows for WMS systems (for example parameter setup, proposal review and approvals, dashboards, and exception handling).
- Collaborate with Backend Engineers to design and consume APIs effectively, including pagination, filtering, search, and error handling.
- Translate requirements into clean UI architecture: reusable components, predictable state management, and consistent UX patterns.
- Build data-heavy screens including tables, filters, forms, charts, and drill-down views with a strong focus on clarity and speed.
- Implement role-based access and authentication flows as required by internal systems.
- Ensure high quality through testing, code reviews, and disciplined release practices.
- Improve frontend developer experience: component standards, documentation, performance budgets, and reducing UI regressions.
- Work with stakeholders to iterate quickly through demos and feedback loops, while keeping the UI stable and consistent.
- Has around 8+ years of strong experience with TypeScript and React in production environments.
- Solid understanding of HTML, CSS, responsive layout, and modern browser behavior.
- Experience building complex, data-driven interfaces (tables, forms, filters, CRUD flows, dashboards).
- Experience integrating with REST APIs and handling client-side concerns such as loading states, caching, retries, and error messaging.
- Good understanding of frontend architecture concepts such as component design, state management patterns, and code organization.
- Familiarity with frontend testing practices (unit tests and integration tests) and ability to write maintainable tests.
- Strong debugging skills and ability to diagnose issues across UI, network, and API layers.
- Clear communication and collaboration skills, able to work with engineers and non-technical stakeholders.
- Experience with common React ecosystem tools such as React Query, Redux Toolkit, Zustand, or similar state/data management libraries.
- Experience with UI component libraries (Material UI, Ant Design, Chakra UI, or similar) and designing reusable component systems.
- Experience building charts and analytics views (for example Recharts, Chart.js, ECharts, or similar) with correct data representation.
- Experience with performance optimization: bundle size reduction, memoization strategies, virtualized lists, and rendering profiling.
- Experience with accessibility best practices and UI quality standards.
- Familiarity with CI/CD pipelines for frontend projects and release automation.
- Experience working in supply chain, retail, or operations-heavy domains.
Experience required
- 8 years
Career level
- Senior Level
Salary
- 70,000 - 85,000 THB, Negotiable
Job function
- Engineering
Job type
- Full-time
Company overview
Lotus's operates in Thailand as an omni-channel retailer. It sets out to bring shoppers well-made products at reasonable prices, while contributing positively to customers, colleagues and communities. Customers are reached through over 2,000 stores across Thailand and t ...
Why join us: “At Lotus's, we are looking for people who are the change-agent with a passion to grow in both work and life. People who have the ability to think in an agile way and make everyday as a history to leave their own legacy in every part of business.” Lotus's People are: People wh ...
Benefits
- Overtime pay
- Life Insurance
- Accident Insurance
- Company uniform
- Learning & Development Opportunities
- Health Insurance
- Provident fund

