Lead Frontend Developer (Mumbai)

Job Title: Lead Frontend Developer (ReactJS) Location: Pune, Maharashtra Experience: 10+ Years Employment Type: Full-Time About the Role: We are looking for an experienced Lead Frontend Developer to drive the design, development, and delivery of large-scale enterprise web applications. The ideal candidate will have deep expertise in React, TypeScript, and modern frontend architecture, with proven experience leading technical initiatives, mentoring engineers, and building scalable, high-performance user interfaces.Roles & Responsibilities - Lead the design and implementation of complex frontend features across modules and applications.- Define and drive frontend architecture, coding standards, and best practices.- Build and maintain scalable, reusable component libraries and shared packages within an Nx monorepo.- Integrate multiple backend services, ensuring robust authentication, authorization, and error-handling mechanisms.- Optimize application performance for dashboards, large datasets, reporting platforms, and interactive UI experiences.- Collaborate closely with Product, Backend, QA, and Design teams to deliver high-quality solutions.- Establish testing strategies and improve code quality using Vitest, React Testing Library, and Cypress.- Mentor developers through code reviews, technical guidance, and knowledge-sharing sessions.- Drive modernization initiatives while balancing business priorities and delivery timelines.Skills & Experience Required - 10+ years of software development experience with at least 6+ years of hands-on React.js development.- Robust expertise in React (Hooks, Context API, Component Patterns) and TypeScript.- Experience building large-scale enterprise SPAs with authentication, RBAC, and multi-tenant architectures.- Hands-on experience with React 19, Vite, Ant Design, Less, and Styled Components/Emotion.- Strong experience with Nx Monorepo, shared component libraries, and modular frontend architecture.- Expertise in API integrations using Axios and multi-service frontend environments.- Experience with frontend performance optimization, code splitting, caching, and rendering strategies.- Strong understanding of testing frameworks including Vitest, React Testing Library, and Cypress.- Excellent problem-solving, communication, stakeholder management, and mentoring skills. Why Optimus? Lead the future of intelligent financial operations with Optimus. At Optimus, we are transforming how businesses manage complex financial ecosystems through cutting-edge AI-powered payment and reconciliation platforms. Our solutions enable organizations to seamlessly process, validate, and reconcile high-volume transactions—delivering real-time insights, eliminating revenue leakages, and driving operational efficiency at scale. With a strong focus on autonomous financial operations (FinOps), Optimus empowers global enterprises, fintech companies, and payment-driven businesses to modernize back-office processes, accelerate go-to-market timelines, and enhance decision-making through clean, unified financial data. By combining AI, APIs, and no-code capabilities, we help organizations automate finance workflows, ensure accuracy, and gain complete visibility across payment channels—making Optimus a trusted partner for innovation in the quick-evolving digital payments landscape. To know more about the organization, please visit: AI Powered Payment Reconciliation Platform Optimus