Senior Frontend Engineer (Payments Platform)

About this role

Description
As a Senior Frontend Engineer on the Payments Platform team, you'll build scalable, high-performance frontend infrastructure and user experiences that power payment flows for global merchants. You'll work closely with product, design, backend, and customer-facing teams to ship reliable, elegant, developer-friendly solutions used across multiple products and integrations. The role combines strong product thinking with engineering excellence — from building reusable UI systems and SDKs to optimizing performance, reliability, and scalability across our platform.
Responsibilities:

• Design and develop scalable, performant, maintainable frontend applications using React, TypeScript, and modern web technologies.

• Build reusable UI components, shared libraries, and SDKs that support multiple products and integrations.

• Collaborate closely with Product, Design, Backend, and Customer-facing teams.

• Own features end-to-end — technical planning, architecture, implementation, testing, deployment, and monitoring.

• Optimize application performance, responsiveness, and reliability across devices and browsers.

• Code reviews, testing, documentation, and observability.

• Publish and manage SDK and NPM package versions, including backward compatibility and release management.

• Improve development workflows, tooling, and engineering best practices across the frontend ecosystem.

Requirements
Requirements:

• 5+ years of experience building modern web applications.

• Strong proficiency in React, TypeScript, JavaScript, HTML, CSS.

• Experience designing and maintaining reusable frontend architectures, component libraries, or SDKs.

• Experience managing NPM packages, versioning, and release processes.

• Strong understanding of frontend performance optimization and modern browser behavior.

• Experience working with APIs and complex asynchronous flows.

• Excellent written and verbal English.

Originally posted on Himalayas