Senior Full Stack Software Engineer About the Role We are seeking an experienced Senior Full Stack Software Engineer to join a high-impact engineering team working on a large-scale, enterprise-grade, multi-tenant web platform. In this role, you will build and maintain a sophisticated web application using modern technologies, contributing to a codebase that prioritizes performance, scalability, code quality, and exceptional user experience. Technical Stack - Core Technologies Frontend: React 18, Next.js 14 (Pages Router), TypeScript Styling: Linaria (CSS-in-JS) State Management: React Context API Backend/API: Next.js API Routes, Node.js Headless CMS: Contentstack Testing: Jest, React Testing Library, Cypress (E2E) Build Tools: Webpack 5, Babel, Yarn 4 (Workspaces) Infrastructure & DevOps Cloud: AWS (EKS, ECR, Route53, ALB) Containerization: Docker, Kubernetes Infrastructure as Code: Terraform CI/CD: GitHub Actions Monitoring: Elastic APM Caching: Redis Analytics: mParticle, Adobe Target Key Responsibilities - Development Design, develop, and maintain high-performance, scalable web applications using React, TypeScript, and Next.js Build and maintain reusable, well-typed component libraries with comprehensive test coverage Integrate and manage content delivery workflows using a headless CMS Code Quality & Best Practices Write clean, maintainable, and well-documented code following established standards (strict TypeScript, ESLint, Stylelint) Implement unit, integration, and end-to-end tests Participate in code reviews and provide constructive, high-quality feedback Follow accessibility standards and best practices in semantic HTML Collaboration Work closely with designers, product managers, and engineering teams Mentor junior engineers and lead technical knowledge-sharing initiatives Participate in sprint planning, retrospectives, and technical design discussions Maintain technical documentation and contribute to architectural decision records Required Qualifications - Experience 3–5 years of professional software development experience 3+ years of hands-on experience with React and TypeScript 2+ years working with Next.js or similar SSR frameworks Strong experience with modern JavaScript (ES6+) and Node.js Experience with CSS-in-JS solutions (Linaria, Styled Components, or similar) Proven experience building and maintaining large-scale web applications Experience working with headless CMS platforms Technical Skills Advanced proficiency in TypeScript with strict typing Strong understanding of React hooks, Context API, and component lifecycle Experience with modern build tools such as Webpack and Babel Familiarity with AWS cloud services Proficiency with Git and command-line workflows Strong testing mindset with experience in Jest, React Testing Library, and E2E testing Soft Skills Strong analytical and problem-solving skills Ability to work independently and take ownership of technical challenges Excellent communication skills and ability to explain complex technical concepts High attention to detail and strong commitment to code quality Ability to balance technical debt and feature delivery in a fast-paced environment Nice to Have Experience in regulated or enterprise-scale platforms Knowledge of Terraform and Infrastructure as Code Experience building design systems and component libraries Familiarity with performance and load testing tools (e.g., k6) Experience using Storybook for component documentation Knowledge of analytics platforms (mParticle, Adobe) Experience with blue-green deployments Familiarity with WCAG accessibility standards