Sr. Full Stack Developer(5 to 10yrs)- Next.js, React.js, Node.js (India)

Senior Full Stack Developer – Job Description Job Overview Surety Seven Technologies Pvt Ltd is looking for an experienced and highly skilled Senior Full Stack Developer with strong expertise in Next.js, Node.js, and React.js. The ideal candidate will lead architecture decisions, build scalable applications, guide development teams, and drive technical excellence across projects. This role requires strong ownership, leadership capability, and hands-on coding expertise in both frontend and backend technologies. Key Responsibilities Lead the design and architecture of scalable full-stack applications Develop, maintain, and optimize web applications using Next.js, React.js, and Node.js Build robust RESTful APIs and backend services Ensure high performance, security, and responsiveness of applications Work closely with Product, Design, and QA teams to deliver high-quality features Conduct code reviews and maintain coding standards & best practices Mentor and guide junior and mid-level developers Manage CI/CD pipelines and deployment processes Troubleshoot complex production issues and provide solutions Contribute to technical documentation and system design discussions Required Skills & Qualifications 5–8 years of experience in Full Stack Development Robust hands-on experience with Next.js, React.js, and Node.js Deep knowledge of JavaScript (ES6+), HTML5, CSS3 Experience with MongoDB / MySQL / PostgreSQL Strong understanding of REST APIs, authentication (JWT/OAuth), and API security Experience with Git, CI/CD tools, and deployment on cloud platforms (AWS, Azure, or similar) Understanding of microservices architecture (preferred) Strong problem-solving and debugging skills Experience leading technical modules or teams