Full-stack Developer

Full Stack Engineer Stealth mode startup is looking for a versatile Full Stack Engineer to join our product development team. You'll build end-to-end features spanning from elegant user interfaces to robust backend systems, working with modern frameworks like React and Next.js while contributing to the full application lifecycle while leveraging AI-powered development tools to maximize productivity and code quality. About the Company Fintech company focused on delivering innovative software solutions that solve real-world investment decision-making and problems. Key Responsibilities - Develop and maintain full stack features using React and Next.js on the frontend with Node.js or Python backends - Leverage AI coding assistants (GitHub Copilot, Claude Code, Cursor, etc.) to accelerate development, improve code quality, and solve complex problems efficiently - Build responsive, performant, and accessible user interfaces with modern React patterns (hooks, context, custom components) - Design and implement RESTful APIs and integrate them seamlessly with frontend applications - Optimize application performance on both client and server side, including code splitting, lazy loading, and caching strategies - Work with databases (SQL and NoSQL) to design schemas, write efficient queries, and manage data flows - Implement server-side rendering (SSR) and static site generation (SSG) with Next.js for optimal SEO and performance - Write comprehensive tests across the stack including unit, integration, and end-to-end tests - Collaborate with designers, product managers, and other engineers to deliver high-quality features from concept to deployment - Participate in the full development lifecycle including planning, code reviews, deployment, and monitoring Required Qualifications - 2–4 years of professional full stack development experience - Strong proficiency in React.js and modern JavaScript/TypeScript - Hands-on experience with Next.js including App Router, server components, and API routes - Demonstrated ability to effectively use AI coding tools such as GitHub Copilot, Claude Code, Cursor, or similar assistants to enhance productivity - Solid understanding of frontend fundamentals: HTML5, CSS3, responsive design, and web accessibility - Experience with backend development using Node.js OR Python - Proficiency with at least one backend framework (Express.js, Nest JS, Fast API, Django, or Flask) - Experience with relational and/or NoSQL databases (PostgreSQL, MongoDB, MySQL) - Familiarity with state management solutions (React Context, Redux, Zustand, or similar) - Understanding of RESTful API design and integration patterns - Experience with version control (Git) and collaborative development workflows - Strong problem-solving skills and attention to detail - Excellent communication and teamwork abilities - Bachelor's degree in Computer Science, related field, or equivalent practical experience Preferred Qualifications - Experience with TypeScript in production applications - Knowledge of modern CSS frameworks and solutions (Tailwind CSS, CSS Modules, styled-components) - Familiarity with GraphQL and tools like Apollo Client or React Query/TanStack Query - Experience with testing frameworks (Jest, React Testing Library, Playwright, Cypress) - Understanding of containerization and cloud platforms (Docker, AWS, Vercel, Google Cloud) - Knowledge of CI/CD pipelines and automated deployment processes - Experience with monorepo tools (Turborepo, Nx) - Familiarity with Web3, PWAs, or other emerging web technologies - Understanding of performance monitoring tools (Lighthouse, Web Vitals, Sentry) - Experience with design systems and component libraries - Active GitHub profile or portfolio showcasing full stack projects What We Offer - Competitive salary and equity compensation package - Premium subscriptions to AI coding tools (GitHub Copilot, Cursor, Claude, etc.) - Comprehensive health insurance - Professional development budget for courses, conferences, and certifications - Modern tech stack and tools to help you do your best work Note : Candidate has to work from Lucknow. This will be the base and HQ for the company