Senior Frontend Developer (React.js + Next.js) – Pune, Maharashtra

Xpanso Technologies Pvt. Ltd. is seeking a highly skilled and experienced Senior UI Developer for a 100% on-site position in Pune, Maharashtra. This role is ideal for a seasoned professional with over 5 years of hands-on experience in building scalable, production-grade web applications. We are looking for a candidate who excels in ownership, possesses strong problem-solving abilities, and demonstrates system-level thinking within a fast-paced, product-driven environment. Immediate joiners or those with a short notice period are strongly preferred.

About the Role

This is a senior-level position focused on frontend development, not an entry-level or support role. You will be instrumental in designing, developing, and maintaining robust, scalable frontend applications using React.js and Next.js. The ideal candidate will independently own and deliver end-to-end UI modules, from requirement analysis to deployment, ensuring high-quality, reusable, modular, and responsive UI components.

Key Responsibilities

Frontend Development & Application Design

• Design, develop, and maintain robust, scalable frontend applications using React.js and Next.js.
• Independently own and deliver end-to-end UI modules, from requirement analysis to deployment.
• Develop and maintain reusable, modular, and responsive UI components.
• Implement Server-Side Rendering (SSR) / Static Site Generation (SSG) using Next.js as required.
• Apply a strong understanding of component architecture, clean coding standards, and frontend design patterns.

State Management & API Integration

• Implement and manage application state using Redux / Redux Toolkit / Context API.
• Integrate RESTful APIs with proper validation, error handling, and authentication mechanisms.
• Collaborate with backend teams to define API contracts and optimize data flow.
• Ensure secure and efficient handling of tokens and session management.

Performance Optimization & Troubleshooting

• Identify and resolve performance bottlenecks, rendering issues, and unnecessary re-renders.
• Implement code splitting, lazy loading, and bundle optimization techniques.
• Analyze and fix production UI issues with thorough root-cause analysis.
• Improve application performance through frontend optimization and Core Web Vitals enhancements.

UI/UX Standards & Accessibility

• Develop responsive, mobile-first, and cross-browser compatible interfaces.
• Ensure pixel-perfect implementation based on design mockups (Figma or equivalent).
• Adhere to accessibility standards (WCAG guidelines) for inclusive design.
• Maintain consistency across applications through reusable component libraries.

Collaboration & System Integration

• Work closely with product, backend, QA, and DevOps teams to deliver high-quality releases.
• Participate in technical and architectural discussions, providing valuable implementation insights.
• Conduct code reviews, enforce frontend best practices, and mentor junior team members when needed.

Quality, Best Practices & Ownership

• Write unit and integration tests to ensure UI stability and quality using Jest / React Testing Library.
• Follow best practices for Git version control, branching strategies, and documentation.
• Ensure adherence to coding standards, linting, and formatting guidelines.
• Take complete ownership of assigned deliverables, demonstrating accountability and a focus on quality.

Required Skills

• Minimum of 5 years of strong, hands-on experience in frontend/UI development (mandatory).
• Expert knowledge of JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Strong experience with React.js and Next.js (SSR / SSG).
• Hands-on experience with state management libraries such as Redux / Toolkit / Context API.
• Solid experience integrating REST APIs and handling complex authentication flows.
• Deep understanding of performance optimization techniques.
• Experience with frontend build tools like Webpack / Vite.
• Strong debugging, analytical, and problem-solving skills.
• Demonstrated ability to work independently and own modules end-to-end.

Nice to Have

• Experience with micro-frontend architecture.
• Exposure to end-to-end testing frameworks like Playwright / Cypress.
• Hands-on experience with Docker and CI/CD pipelines.
• Exposure to cloud platforms such as AWS / Azure / GCP.
• Experience with UI libraries including MUI / Ant Design / Tailwind CSS.
• Experience in product-based or startup environments.

What We Offer

• Opportunity to work on high-impact, production-grade frontend systems.
• Significant ownership of core UI modules with exposure to architectural decisions.
• Comprehensive health insurance coverage.
• A collaborative and growth-oriented engineering culture.
• Generous paid leave benefits.

Work Model & Requirements

• Work Hours: Day shift (Monday to Friday)
• Location: Pune, Maharashtra (100% On-site)
• Mode: Completely on-site
• Preference: Immediate joiners or candidates with a short notice period.

Job Type: Full-time, Permanent, On-site

Designation: Senior UI Developer (React.js + Next.js)

Experience: 5+ years

Location: Pune, Maharashtra

Schedule: Day shift

Benefits: Health insurance, Paid sick time, Paid time off.

Relocation: Candidates must be able to reliably commute or plan to relocate to Pune, Maharashtra before starting work.

Application Questions: Candidates will be asked about their immediate availability or notice period, current CTC, and current location in Pune.