Hi, I’m Prabhjot Singh, a Senior Full Stack Engineer with 10+ years of building scalable SaaS platforms using Node.js, Python (Django, FastAPI), Ruby on Rails, and modern frontend frameworks like React and Next.js. I enjoy designing robust architectures, shipping high-performance APIs, and leading cross-functional teams to deliver measurable impact. I’ve focused on crafting maintainable backend services, implementing secure authentication and multi-tenant SaaS patterns, and optimizing databases and deployments. I’m passionate about continuous learning, mentorship, and improving development processes to make projects more reliable and delightful to use.

Prabhjot Singh

Hi, I’m Prabhjot Singh, a Senior Full Stack Engineer with 10+ years of building scalable SaaS platforms using Node.js, Python (Django, FastAPI), Ruby on Rails, and modern frontend frameworks like React and Next.js. I enjoy designing robust architectures, shipping high-performance APIs, and leading cross-functional teams to deliver measurable impact. I’ve focused on crafting maintainable backend services, implementing secure authentication and multi-tenant SaaS patterns, and optimizing databases and deployments. I’m passionate about continuous learning, mentorship, and improving development processes to make projects more reliable and delightful to use.

Available to hire

Hi, I’m Prabhjot Singh, a Senior Full Stack Engineer with 10+ years of building scalable SaaS platforms using Node.js, Python (Django, FastAPI), Ruby on Rails, and modern frontend frameworks like React and Next.js. I enjoy designing robust architectures, shipping high-performance APIs, and leading cross-functional teams to deliver measurable impact.

I’ve focused on crafting maintainable backend services, implementing secure authentication and multi-tenant SaaS patterns, and optimizing databases and deployments. I’m passionate about continuous learning, mentorship, and improving development processes to make projects more reliable and delightful to use.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Work Experience

Senior Full Stack Engineer at Sumato Soft
January 1, 2024 - February 1, 2026
Backend Architecture & Engineering: designed modular, scalable backend using Node.js and Python to support authentication, billing, analytics, and user management. Architected high-performance RESTful and GraphQL APIs; built secure authentication/authorization using JWT, OAuth2, and RBAC. Developed multi-tenant SaaS with tenant-level data isolation and subscription-based access. Implemented asynchronous processing with Redis, Celery, and event-driven workflows to improve scalability. Refactored legacy monoliths into modular microservices using FastAPI and Node.js, improving maintenance and deployment flexibility. Optimized PostgreSQL/MySQL performance via indexing, query tuning, and schema normalization, reducing API latency. Implemented distributed caching with Redis to reduce DB load and improve throughput. Led production-ready onboarding of Dockerized CI/CD pipelines and AWS infrastructure.
Senior Full Stack Engineer at Tiksom Limited
April 1, 2021 - December 1, 2023
Architected and built scalable SaaS backend and frontend features; implemented RESTful and GraphQL APIs, authentication with JWT/OAuth2/RBAC, and multi-tenant data isolation. Led performance tuning and reliability improvements, including CI/CD pipelines, monitoring, and incident response. Collaborated with product/UX teams to deliver responsive, accessible interfaces and robust microservices. Migrated legacy systems to modular architecture using Node.js, FastAPI, and React, reducing deployment time and improving maintainability.
Full Stack Developer at VinnCorp
April 1, 2015 - March 1, 2021
Developed RESTful APIs and dynamic web UIs using React.js and Node.js; deployed back-end services with Node.js and Ruby on Rails for transactional web applications. Implemented front-end features with React/Next.js; designed normalized PostgreSQL/MySQL schemas and integrated Redis caching. Built CI/CD pipelines with GitHub Actions and deployed to cloud infrastructure, ensuring scalable and reliable deployments.
Senior Full Stack Engineer at SumatoSoft
January 1, 2024 - February 1, 2026
Designed and implemented modular, scalable backend architecture using Node.js and Python (Django, FastAPI), Ruby on Rails, and React.js/Next.js to support authentication, billing, analytics, and user management. Architected RESTful and GraphQL APIs, implemented JWT/OAuth2 authentication, built multi-tenant SaaS, Redis/Celery-based background processing, and migrated legacy monoliths to microservices. Optimized PostgreSQL/MySQL performance, introduced distributed caching, and improved deployment flexibility.

Education

Bachelor of Science at University of Illinois Chicago
January 1, 2014 - January 1, 2016
Bachelor of Science at University of Illinois Chicago
January 1, 2014 - January 1, 2016

Qualifications

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Industry Experience

Software & Internet, Professional Services, Media & Entertainment