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I am a full-stack engineer with a strong focus on building and operating SaaS platforms in startup environments. I drive 0→1 product development and own both backend systems and frontend applications, using Node.js, Express.js, PostgreSQL, MongoDB, React, and Next.js. I design secure REST APIs, multi-tenant SaaS architectures, and RBAC systems, with hands-on experience in AWS deployment, performance optimization, and production operations. I enjoy solving real-world problems through well-architected software, collaborating across teams, and delivering scalable, reliable systems. I am keen to contribute to challenging healthtech, fintech or SaaS projects and continue growing in cloud, data, and real-time communication domains.…I am a full-stack engineer with a strong focus on building and operating SaaS platforms in startup environments. I drive 0→1 product development and own both backend systems and frontend applications, using Node.js, Express.js, PostgreSQL, MongoDB, React, and Next.js. I design secure REST APIs, multi-tenant SaaS architectures, and RBAC systems, with hands-on experience in AWS deployment, performance optimization, and production operations. I enjoy solving real-world problems through well-architected software, collaborating across teams, and delivering scalable, reliable systems. I am keen to contribute to challenging healthtech, fintech or SaaS projects and continue growing in cloud, data, and real-time communication domains.

Thanooj PelamKulangara

Full Stack Developer, Back-End Developer, Web Developer, +5

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I am a full-stack engineer with a strong focus on building and operating SaaS platforms in startup environments. I drive 0→1 product development and own both backend systems and frontend applications, using Node.js, Express.js, PostgreSQL, MongoDB, React, and Next.js. I design secure REST APIs, multi-tenant SaaS architectures, and RBAC systems, with hands-on experience in AWS deployment, performance optimization, and production operations. I enjoy solving real-world problems through well-architected software, collaborating across teams, and delivering scalable, reliable systems. I am keen to contribute to challenging healthtech, fintech or SaaS projects and continue growing in cloud, data, and real-time communication domains.…I am a full-stack engineer with a strong focus on building and operating SaaS platforms in startup environments. I drive 0→1 product development and own both backend systems and frontend applications, using Node.js, Express.js, PostgreSQL, MongoDB, React, and Next.js. I design secure REST APIs, multi-tenant SaaS architectures, and RBAC systems, with hands-on experience in AWS deployment, performance optimization, and production operations. I enjoy solving real-world problems through well-architected software, collaborating across teams, and delivering scalable, reliable systems. I am keen to contribute to challenging healthtech, fintech or SaaS projects and continue growing in cloud, data, and real-time communication domains.

Available to hire

I am a full-stack engineer with a strong focus on building and operating SaaS platforms in startup environments. I drive 0→1 product development and own both backend systems and frontend applications, using Node.js, Express.js, PostgreSQL, MongoDB, React, and Next.js. I design secure REST APIs, multi-tenant SaaS architectures, and RBAC systems, with hands-on experience in AWS deployment, performance optimization, and production operations.

I enjoy solving real-world problems through well-architected software, collaborating across teams, and delivering scalable, reliable systems. I am keen to contribute to challenging healthtech, fintech or SaaS projects and continue growing in cloud, data, and real-time communication domains.

Skills

Experience Level

Expert

Expert

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Expert

Expert

Expert

Expert

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Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full-Stack Engineer at MedB Connected Care LLP

January 1, 2025 - Present

Built and operated a multi-tenant healthcare SaaS platform from 0→1 (MedB), owning backend systems, frontend applications and production infrastructure. Designed role-based dashboards for doctors, patients, clinics and administrators with subscription-aware user flows. Led system architecture, database design, authentication workflows and deployment processes; implemented a hybrid persistence strategy with PostgreSQL for transactional data and MongoDB for audit logging and operational visibility. Delivered secure REST APIs with JWT authentication and RBAC across 4+ user tiers; implemented caching and query optimizations reducing latency under load. Built real-time workflows via WebSockets with in-app, email and WhatsApp notifications; improved onboarding efficiency. Established centralized logging and monitoring to improve debugging and reliability. Maintained production infra on AWS EC2 with Nginx/PM2, achieving >99% uptime.

Software Development Engineer II | Founding Engineer at MedB Connected Care LLP

January 1, 2025 - Present

Architected and delivered a scalable, production-grade healthcare management platform (MedB) serving doctors, patients, clinics and administrators with subscription-based access control. Engineered end-to-end full-stack architecture using React.js, Node.js and Express with hybrid persistence (PostgreSQL for relational data; MongoDB for logs, audit trails and monitoring). Designed secure, high-performance RESTful APIs with JWT-based authentication and subscription-aware authorization. Built real-time notification infrastructure using WebSockets with multi-channel delivery (in-app, email, and WhatsApp). Implemented centralized logging, API caching, and deployment on AWS EC2 with Nginx and PM2.

Full Stack Developer at Mcabee Technologies

June 1, 2024 - November 1, 2024

Developed and enhanced React.js and Next.js modules for public product pages and admin dashboards of a global social matchmaking platform. Contributed to backend services using TypeScript, Node.js, Express.js and MongoDB. Implemented secure REST APIs with JWT authentication supporting web, Android and iOS clients. Optimized performance with Redis caching and Cloudflare CDN; built scheduled background jobs; integrated Firebase for push notifications and real-time messaging. Supported production deployment on AWS EC2 and maintained stable performance under live traffic.

MERN Stack Trainer (Contract – 1 Week Program) at Sixphrase by Veranda Learning

June 1, 2024 - June 7, 2024

Delivered a 1-week intensive MERN stack training program to 50+ engineering students, mentoring teams in end-to-end project architecture, debugging workflows, deployment practices and project readiness.

MERN Stack Developer at Mcabee Technologies

June 1, 2024 - November 1, 2024

Contributed to building scalable backend services using TypeScript, Node.js, Express.js and MongoDB within a collaborative engineering environment. Implemented and maintained secure RESTful APIs with JWT-based authentication; enhanced frontend functionality using React.js and Next.js; collaborated with Android developers to deliver backend support for a global social matchmaking platform. Integrated Cloudflare media storage, implemented scheduled background processing, and leveraged Firebase for push notifications and real-time messaging. Participated in AWS EC2 deployments with monitoring and uptime maintenance.

Freelance Full-Stack Developer at StepzFit - StepzFit Wellness

November 1, 2023 - June 1, 2024

Designed and launched a Progressive Web Application (PWA) for personalized fitness and nutrition tracking with scalable, performance-oriented backend design. Developed the application using React.js, Node.js and Express.js, implementing secure JWT authentication and Firebase OTP-based login. Integrated Stripe subscription billing and Google OAuth, enabling secure payments and frictionless onboarding. Built real-time chat and activity updates using WebSockets, enhancing user interaction and responsiveness. Deployed and managed production infrastructure on AWS EC2 with Nginx and PM2, ensuring stable runtime performance and environment configuration control.

Freelance Full-Stack Developer at StepzFit ‑ StepzFit Wellness

November 1, 2023 - June 1, 2024

Designed and launched a Progressive Web Application (PWA) for personalized fitness and nutrition tracking with scalable, performance-oriented backend design. Developed using React.js, Node.js and Express.js, implementing secure JWT authentication and Firebase OTP-based login. Integrated Stripe subscription billing and Google OAuth, enabling secure payments and frictionless onboarding. Built real-time chat and activity updates using WebSockets. Deployed and managed production infrastructure on AWS EC2 with Nginx and PM2, ensuring stable runtime performance.

Freelance Full-Stack Developer at StepzFit Wellness

November 1, 2023 - June 1, 2024

Designed and launched a Progressive Web App for personalized fitness and nutrition tracking with scalable backend, implementing JWT authentication and Firebase OTP login; integrated Stripe for subscription billing and Google OAuth; built real-time chat and activity updates using WebSockets; deployed on AWS EC2 with Nginx and PM2.