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Experience: 12+ yrs

Location: Bengaluru

Job Type: Full-time

We are looking for an experienced Senior Frontend Engineer to design, build, and evolve high-performance web applications and platform experiences. This is a senior individual contributor role for an engineer who combines deep frontend expertise with strong architectural thinking and a passion for building scalable, reliable, and intuitive products.

The ideal candidate will have extensive experience with ReactJS, JavaScript, TypeScript, WebSocket-based real-time applications, and frontend platform development . You will work on complex technical challenges, influence frontend architecture, and contribute to engineering standards across the product ecosystem.

Requirements Key Responsibilities

- Design, develop, and maintain scalable, high-performance web applications using ReactJS, JavaScript, and TypeScript
- Drive frontend architecture and technical decisions for complex product and platform capabilities
- Build reusable components, libraries, frameworks, and frontend platform solutions that improve engineering productivity
- Develop and optimize real-time web applications using WebSocket and event-driven communication
- Design efficient approaches for handling real-time data, connection management, reconnection, state synchronization, and failure scenarios
- Build responsive, accessible, reliable, and intuitive user experiences across modern browsers and devices




- Identify and resolve frontend performance bottlenecks involving rendering, network requests, memory usage, state management, and application loading
- Establish scalable patterns for application state management, API integration, error handling, and frontend observability
- Collaborate with backend engineers to define efficient APIs, data contracts, and real-time communication mechanisms
- Partner with Product and Design teams to translate business and user requirements into robust technical solutions
- Drive code quality through architecture reviews, code reviews, automated testing, documentation, and engineering best practices
- Troubleshoot complex production issues and lead root-cause analysis for frontend and platform-level problems
- Contribute to technical roadmaps, engineering standards, and long-term frontend platform strategy
- Mentor and guide frontend engineers, helping raise technical quality and development practices across the team
- Evaluate emerging frontend technologies and recommend improvements to the technology stack where appropriate

What Makes You a Great Fit

- 12+ years of professional software engineering experience, with significant experience in frontend development




- Expert-level proficiency in ReactJS, JavaScript, and TypeScript
- Strong experience architecting and developing large-scale, production-grade web applications
- Deep understanding of modern frontend architecture, component design, state management, browser fundamentals, and web performance
- Strong hands-on experience with WebSocket, real-time communication, asynchronous programming, and event-driven applications
- Experience building or contributing to frontend platforms, shared component libraries, design systems, or reusable engineering frameworks
- Strong understanding of API integration, networking, authentication, browser security, and frontend-backend communication
- Proven ability to identify and resolve complex performance, scalability, reliability, and production issues
- Strong understanding of software engineering principles, design patterns, clean code, testing, and maintainability
- Experience working with CI/CD, version control, automated testing, and up-to-date engineering workflows
- Excellent system-design and architectural thinking, with the ability to evaluate technical trade-offs and make pragmatic decisions
- Strong communication and collaboration skills, with the ability to influence technical direction across teams
- Demonstrated experience mentoring engineers and providing technical leadership while remaining hands-on
- Ability to operate independently, take ownership of complex initiatives, and deliver high-quality solutions in a fast-paced environment

📌 senior front end engineer (Bengaluru)
🏢 Weekday AI (YC W21)
📍 Bengaluru