Senior Software Development Engineer – Frontend (SDE-3)

Senior Software Development Engineer – Frontend (SDE-3)

Location: Noida, Uttar Pradesh (Hybrid)

Experience: 5–8 Years

Employment Type: Full-Time

About PhysicsWallah (PW)

At PhysicsWallah (PW), we are building high-scale, technology-driven learning platforms used by millions of students across India. Our products operate at massive scale, handling high traffic, complex user journeys, and real-time interactions. We are looking for a strong Frontend SDE-3 to help build fast, scalable, and delightful user experiences.

Role Overview

As a Frontend SDE-3, you will take ownership of complex frontend systems, drive architectural decisions, and mentor junior engineers. You will work closely with product, design, and backend teams to deliver highly performant,scalable, and user-centric web applications.

Key Responsibilities

• Design, develop, and scale high-performance frontend applications using React.js and Next.js

• Own frontend architecture and drive best practices around performance, security, and scalability

• Build reusable components and frontend frameworks for large-scale applications

• Optimize applications for speed, accessibility, SEO, and cross-browser compatibility

• Collaborate closely with Product Managers, Designers, and Backend Engineers

• Mentor and guide junior frontend engineers, conducting code reviews and design discussions

• Contribute to technical planning, estimations, and roadmap discussions

• Ensure high-quality releases through strong engineering and testing practices

Required Skills & Experience

• 5–8 years of experience in frontend development for consumer-scale products

• Strong hands-on expertise in React.js and Next.js

• Deep understanding of JavaScript (ES6+), HTML5, CSS3, and modern frontend tooling

• Experience building and scaling applications with large user bases and high traffic

• Solid understanding of frontend performance optimization and best practices

• Familiarity with REST APIs, state management libraries, and frontend testing frameworks

• Experience working in fast-paced, product-driven environment