Senior Software Engineer, Fullstack - Web Platform at Grab

Role overview

Get to know our Team.

Chroma is a full-stack team within Grab's Web Platform group. We build the foundational tooling, frameworks, and infrastructure that accelerate web development across the entire company — from CI/CD pipelines and reusable component libraries to modern micro-frontend architecture that powers dozens of internal applications.

Beyond platform engineering, we design and maintain large-scale internal web portals serving teams across Data, AI, and Business domains — including a unified notification infrastructure that delivers timely, actionable information to users across all internal platforms.

Responsibilities

• Design, develop, and maintain internal web portals, reusable UI components, and cross-platform notification systems.
• Build and support web platform tooling and frameworks used for building React applications at Grab.
• Build micro-frontend architecture and integration patterns that enable teams to independently develop and deploy their applications.
• Design and improve AI agent capabilities — building tool integrations, agentic workflows, and evaluation harnesses that enable autonomous software delivery.
• Collect and analyze user feedback, identifying areas for improvement and prioritizing feature development accordingly.
• Build best practices for web development, ensuring high-quality code and adhering to performance, security, and accessibility standards.
• Maintain thorough documentation of platform design, features, and functionality, effectively communicating with both technical and non-technical stakeholders.
• Continuously assess new technologies and techniques to enhance the engineering capabilities of the team.
• Proactively identify and troubleshoot issues, Build fixes, and Maintain platform stability and performance.

Qualifications

• At least 5 years of experience working with modern frontend frameworks such as ReactJS (preferred), Ant Design, Micro Frontends, and Webpack.
• Strong communication skills in English, with the Able to effectively provide updates and resolutions to customers and cross-functional partners.
• Solid experience in web development, along with a willingness to engage in continuous learning to stay up to date with industry trends and emerging technologies.
• Exposure to CI/CD processes and tools, with hands-on experience integrating frontend applications into automated build and deployment pipelines.
• Comfortable working across the stack, with familiarity in building APIs, implementing Backend-for-Frontend (BFF) layers, and working with databases when needed to Help with frontend functionality.
• Interest or experience in AI/LLM-powered developer tools, agentic systems, or developer productivity automation is a plus.

Technology in this role

• JavaScript: JavaScript TypeScript React .
• TypeScript: JavaScript TypeScript React .
• React: JavaScript TypeScript React .
• Go: JavaScript TypeScript React .
• LLM: Interest or experience in AI/LLM-powered developer tools, agentic systems, or developer productivity automation is a .
• CI/CD: We build the foundational tooling, frameworks, and infrastructure that accelerate web development across the entire company — from CI/CD pipelines and reusable component libraries to modern micro-frontend architecture that powers dozens of internal .
• CAN: We are also pioneering AI-powered developer automation — building intelligent agents that can autonomously implement features, fix bugs, resolve code review feedback, and deploy changes end-to-end from a natural language .

Role-specific candidate guide

Preparation notes based on the employer’s stated responsibilities and qualifications.

Understanding the scope. This Senior Software Engineer, Fullstack - Web Platform position at Grab is best assessed through the work described in the employer’s posting, rather than the title alone. The available role overview says: “Get to know our Team.” Read that statement together with the responsibilities below to understand the likely balance between delivery, coordination and technical decision-making. The role belongs to the platform and infrastructure area, but that label is only a guide to the work; the employer’s own requirements remain decisive. Before applying, check the original listing for reporting lines, product or team assignment, employment terms and any details that may have changed since this copy was checked. Where this page says a fact is not specified, treat it as an open question rather than an implied promise.

What the responsibilities signal. The posting specifically names “Design, develop, and maintain internal web portals, reusable UI components, and cross-platform notification systems.”; “Build and support web platform tooling and frameworks used for building React applications at Grab.”; “Build micro-frontend architecture and integration patterns that enable teams to independently develop and deploy their applications.”. For each duty, identify a project where you performed comparable work and be ready to describe the context.

Benefits

• We care about your well-being at Grab, here are some of the global benefits we offer.
• We are committed to building an inclusive and equitable workplace that enables diverse Grabbers to grow and Carry out at their best. As an equal opportunity employer, we consider all candidates fairly and equally regardless of nationality, ethnicity, religion, age, gender identity, sexual orientation, family commitments, physical and mental impairments or disabilities, and other attributes that make them unique.
• We have your back with Term Life Insurance and comprehensive Medical Insurance.
• With GrabFlex, create a benefits package that suits your needs and aspirations.
• Celebrate moments that matter in life with loved ones through Parental and Birthday leave, and give back to your communities through Love-all-Serve-all (LASA) volunteering leave.
• We have a confidential Grabber Assistance Programme to guide and uplift you and your loved ones through life's challenges.

About Grab

Grab operates digital services across Southeast Asia. Its engineering teams build products and internal platforms used across the business.

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