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Senior Web Developer (React JS)

India, Bangalore South · Job Posted May 15, 2026
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Job Description

Wissen Technology is hiring for Senior Web Developer(React JS). About Wissen Technology: At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients with the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time. Job Summary: We are looking for a highly skilled Senior Web Developer (React.js) with strong hands-on experience in building scalable, high-performance frontend applications. The ideal candidate must have deep expertise in React, TypeScript, modern state management libraries, and frontend architecture. The role involves owning end-to-end UI modules, optimizing performance, collaborating across teams, and contributing to long-term frontend engineering standards.

Job Responsibility

  • Develop, maintain, and enhance high-quality, scalable frontend applications using React.js
  • Design and implement frontend architecture, reusable components, and UI frameworks
  • Optimize application performance using techniques like memoization, lazy loading, code splitting, and real-time rendering improvements
  • Collaborate with design, backend, and product teams to build cohesive and user-centric solutions
  • Participate in code reviews, technical discussions, and enforce front-end best practices
  • Take ownership of modules and contribute to large-scale, long-term UI initiatives
  • Ensure high standards of code quality, maintainability, and performance across the application

Requirements

  • Work Experience Min 6
  • Work Experience Max 8
  • Strong hands-on experience with React.js in production environments
  • Expert-level proficiency in TypeScript
  • Deep knowledge of state management tools like Zustand, React Query/TanStack Query, or Context API
  • Strong experience in frontend performance optimization
  • Experience working on large-scale or enterprise-level applications
  • Understanding of frontend architecture, design systems, and component libraries
  • Ability to take ownership, collaborate across teams, and deliver high-quality solutions

Nice to have

  • Experience with micro-frontend architecture or scalable UI frameworks
  • Knowledge of testing tools such as Jest, React Testing Library, or Cypress
  • Familiarity with CI/CD pipelines and DevOps practices for frontend deployments
  • Experience working with real-time data (WebSockets, SSE)
  • Understanding of accessibility (A11y) and web performance metrics (LCP, CLS, TTI)

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