Santosh Mandal
🚀 Senior Software Engineer | Frontend Team Lead | React & Next.js Expert | JavaScript, TypeScript, Node.js | SSO Implementation | Scalable Web Apps
- Role
- Frontend Developer (Client Side) at Bandhan Bank
- Location
- Navi Mumbai, MH, IN
- LinkedIn followers
- 500 followers
About Santosh Mandal
Senior Frontend Engineer | React • Next.js • TypeScript • AI-Driven ProductsWith 4.5+ years of experience in frontend development, I specialize in building high-performance, scalable web applications using Next.js and React.js. My expertise lies in converting complex wireframes into seamless, dynamic UIs while optimizing user experience and performance.Currently building an AI-powered resume optimization tool focused on ATS scoring and job-specific resume transformation. Passionate about scalable product engineering, performance optimization, and AI-integrated applications. Core Expertise: Frontend Performance Optimization (Next.js, React.js, TypeScript) Scalable UI Development & Component Architecture Authentication & SSO Integration (Keycloak, OAuth) Collaboration with Backend Teams (Node.js, Express.js) Leading Teams & Code Reviews for Scalable SystemsIn my previous role, I successfully led a team of 5 developers to build a job portal with cutting-edge Next.js features. I also implemented SSO authentication with Keycloak, reducing login time by 20% and improving system performance by 30%.I\'m passionate about learning & problem-solving, and I thrive in fast-paced environments where I can drive innovation and improve application scalability. Looking for global opportunities in Frontend Engineering & Tech Leadership roles! Let’s connect and discuss exciting challenges in frontend development!
Experience
Frontend Developer (Client Side)
Apr 2025 — Present · Navi Mumbai, IN
Developed secure, intranet-based enterprise applications within a compliance-driven banking environment.• Built modular, reusable frontend components aligned with strict security and architectural standards.• Worked within highly restricted infrastructure, ensuring performance and reliability under enterprise constraints.• Contributed to standardized frontend architecture used across multiple internal products.(Note: Project deployed on secured internal infrastructure due to banking compliance.)
Education
NavGurukul
Internship , Computer Science
Maharaja Agrasen Himalayan Garhwal University
Bachelor's degree, Computer Science
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