Senior Software Engineer (Front-end)

Gurgaon, Haryana
Permanent
Full-time

10 days ago

Job Description:This role is for one of the Weekday's clientsMin Experience: 3 yearsLocation: GurgaonJobType: full-timeWe are building a next-generation WhatsApp Marketing Automation Platform for e-commerce businesses. With rapid growth over the last three years, we're scaling our product to handle millions of messages per day while delivering a seamless user experience. As a Senior Frontend Engineer, you'll work on real-time user interfaces, drive frontend performance optimization, and play a key role in mentoring junior developers. This is a high-impact role where scalability, speed, and user experience converge.Requirements:Key Responsibilities

Translate product requirements into scalable, responsive frontend applications with an exceptional user experience.
Build high-performance, real-time user interfaces using React.js with modern architecture patterns.
Develop responsive web apps with real-time messaging (WebSockets or similar).
Lead code reviews, mentor junior developers, and make architectural and implementation decisions.
Drive end-to-end delivery of frontend components-from development to deployment, monitoring, and error tracking.
Leverage AI tools and rapid prototyping to accelerate delivery without compromising quality.

Requirements

3-6 years of experience in frontend development, ideally in SaaS or high-scale applications.
Strong expertise in TypeScript, React.js (hooks, context API), and state management (Redux, Zustand, Context API).
Proficiency in real-time communication (WebSockets, Socket.io), PWA development, and responsive UI design.
Hands-on experience with modern frontend tooling (Webpack/Vite, ESLint, Jest/Testing Library), CI/CD pipelines, and deployment on AWS (CloudFront, S3).
Knowledge of frontend security best practices (XSS prevention, CORS, CSP) and API integration with microservices.
AI-first mindset, strong Git workflows, and the ability to thrive in a fast-paced startup environment.
Self-driven, proactive, and comfortable owning high-impact projects.

Skills
React.js • TypeScript • AWS • Node.js • MongoDB • WebSockets • Frontend Architecture • PWA

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