Senior Software Engineer
First seen by Alion on Oct 7, 2026.
Experience : 6+ Years
Location : Bengaluru (Marathahalli)
Work Mode : 5 Days Onsite
Notice Period : Immediate Joiners Preferred
What are we looking for?
We're looking for a Senior Software Engineer with 6+ years of React.js experience, with strong expertise in React.js, JavaScript, TypeScript, Redux/Zustand/Jotai, REST APIs, HTML5, CSS3, React internals, frontend architecture, performance optimization, security, accessibility, and scalable UI development. Hands-on experience with Jest, React Testing Library, Playwright, Git, and responsive design, along with strong problem-solving and DSA skills, is required.
Tech Stack :
- React.js, JavaScript (ES6+), TypeScript
- HTML5, CSS3, Responsive Design
- Zustand/Jotai, Redux
- REST APIs
- Unit Testing (Jest, React Testing Library, Playwright)
- Git
Responsibilities :
- Develop scalable, high-performance web applications using React.
- Strong understanding of React internals, hooks, rendering lifecycle, and performance optimization.
- Build reusable, maintainable UI components and integrate backend APIs.
- Contribute to application architecture, code reviews, and engineering best practices.
- Collaborate with cross-functional teams to deliver high-quality web applications.
Requirements :
- 6+ years of React development experience.
- Strong logical reasoning, problem-solving skills, and good understanding of Data Structures & Algorithms.
- Architecturally sound with experience designing scalable frontend applications.
- Knowledge of frontend security, accessibility, performance optimization, and debugging.
Good to Have :
- Experience with Next.js or other React frameworks.
- Hands-on experience with Design Systems, Storybook, or component libraries.
- Experience with CI/CD pipelines, Webpack/Vite, and frontend monitoring tools (Sentry, Datadog, etc.).
- Knowledge of SSR, code splitting, lazy loading, and modern frontend optimization techniques.
Skills
React.js, Javascript, TypeScript, Redux, RESTful API, HTML5, CSS3, ES6, Frontend Architecture