Senior Full Stack Developer (MERN)

About the Role:We are looking for a highly skilled and experienced Senior Full Stack Developer with strong expertise in the MERN (MongoDB, Express.js, React.js, Node.js) stack and Next.js for building scalable, high-performance web applications. This role requires an innovative problem-solver who can handle large datasets, optimize user journeys, and ensure seamless integrations across systems and partners.You will work closely with product, design, business, and DevOps teams to deliver robust, efficient, and user-friendly digital solutions Platforms.Key Responsibilities:Design, develop, and maintain responsive, scalable, and high-performing web applications using the MERN stack with Next.js for server-side rendering and optimized performance.Build, optimize, and maintain APIs for voucher issuance, payment gateways, and third-party integrations.Manage and streamline data flow between internal systems, external partners, and CRMs such as HubSpot.Implement efficient data models and structures to handle large datasets, ensuring speed, reliability, and scalability.Collaborate cross-functionally with product managers, designers, and QA teams to translate business requirements into robust technical solutions.Optimize frontend performance to deliver smooth user journeys, fast search flows, and seamless checkout experiences.Ensure system scalability, uptime, accessibility, and security across all products.Support QA and DevOps during testing, deployment, and continuous delivery cycles.Stay current with emerging technologies, frameworks, and best practices, and proactively recommend improvements to system architecture and workflows.Mentor and guide junior developers to promote a culture of technical excellence and continuous learningRequirements:6–7 years of professional experience in Senior Full Stack Developer using MERN (MongoDB, Express.js, React.js, Node.js).Proven expertise in Next.js, including server-side rendering (SSR), static site generation (SSG), and performance optimization techniques.Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3.Experience in building and consuming RESTful APIs and integrating third-party or external services.Strong background in database design and data modeling, particularly with MongoDB and large datasets.Familiarity with cloud environments (AWS, Azure, or GCP) and deployment pipelines (CI/CD).Solid understanding of web performance optimization, security best practices, and cross-browser compatibility.Experience with version control systems (Git) and Agile/Scrum methodologies.Strong analytical, problem-solving, and debugging skills.Excellent communication, teamwork, and time management abilities.Preferred Qualifications:Knowledge of GraphQL and its integration within MERN applications.Hands-on experience with Docker, Kubernetes, or containerized deployments.Familiarity with DevOps practices and automated deployment pipelines.Experience implementing regional UI/UX variations for diverse markets.Exposure to additional frontend frameworks such as Vue.js or Angular.