Karan
Sojitra
Senior Full-Stack Engineer with 7+ years of experience architecting and delivering scalable, high-performance distributed systems across e-commerce, social media, gaming, and hospitality domains. Deep expertise in Node.js, React, Next.js, MongoDB, PostgreSQL, and AWS. Proven track record leading cross-functional teams of 15+, designing RESTful and real-time APIs, and reducing system latency by 40%. Proficient with AI/ML platforms including Google Vertex AI, Gemini, Claude AI, and agentic coding tools.
About Me
Senior Software Engineer with 7+ years of experience leading teams and architecting scalable, high-performance applications across diverse domains.
My Journey
I build scalable full-stack applicationsusing React,TypeScript,Node.js, andNext.js, focusing on clean architecture, modular design, and high-performance systems.
My work spans developing enterprise platforms within the ERPForce ecosystem, where I build micro-frontend architectures, integrate scalable APIs, and implement complex business workflows using modern tools like Redux Toolkit, Material-UI, and cloud services on AWS.
I actively leverage AI-assisted developmentwith tools like Claude,Amazon Q Developer, andKiro IDE to accelerate development workflows, automate repetitive tasks, and improve overall code quality.
Domains I Work In
E-commerce & Social Media
Architecting scalable platforms for high-traffic e-commerce and social media applications with real-time features.
Gaming & Entertainment
Building browser-based gaming platforms and VOIP/WebRTC calling systems with low-latency performance.
Hospitality Solutions
Developing modern hospitality management systems with complex booking flows and payment integrations.
System Architecture
Designing multi-service architectures using AWS, Docker, caching layers, and DevOps best practices.
Skills & Technologies
Technologies and tools I use to build scalable, high-performance applications
Frontend & Frameworks
Backend & Databases
Cloud & DevOps
AI & Developer Productivity
Tech Stack
Experience & Education
My professional journey and continuous learning path
Professional Experience
Software Developer - Frontend (React/TypeScript)
- •Developing scalable micro-frontend modules within the ERPForce ecosystem using React 18, TypeScript, Vite, and Module Federation
- •Building enterprise workforce management features with complex workflows, role-based access control, and configurable business logic
- •Implementing dynamic state management and API integrations using Redux Toolkit and REST APIs
- •Designing responsive multilingual enterprise interfaces with Material-UI and advanced form handling using React Hook Form and Yup
- •Leveraging AI-assisted development tools including Claude, Amazon Q Developer, and Kiro IDE to accelerate development and improve code quality
Software Analyst
- •Architected scalable backend systems leveraging Node.js and NestJS
- •Developed RESTful APIs and integrated with MongoDB and PostgreSQL
- •Implemented caching strategies using Redis and CDN for performance
- •Managed deployments and infrastructure on AWS using EC2, S3, and CloudFront
Sr. MERN Stack Engineer
- •Led full-stack architecture with React, Node.js, and MongoDB
- •Integrated Docker for containerized deployments and scalability
- •Optimized global delivery with CDN and caching strategies
- •Implemented Elasticsearch for fast data search and retrieval
Sr. Software Engineer
- •Designed and implemented secure API flows with NestJS and OAuth
- •Worked on backend logic using Node.js and PostgreSQL
- •Optimized performance with Redis caching and message queues
- •Containerized services using Docker for microservice deployment
Software Engineer
- •Developed REST APIs secured with OAuth for data access
- •Integrated real-time communication using WebRTC and VOIP
- •Built reusable components in React and server logic in Node.js
- •Worked with Electron.js to build cross-platform desktop tools
Backend Developer
- •Built RESTful APIs improving scalability and reducing latency
- •Integrated MongoDB and PostgreSQL for complex data models
- •Used AWS services (Lambda, S3) for serverless features
- •Implemented caching and CDN strategies for better user experience
Intership Trainee
- •Learned and developed the project in NodeJS with deep level tectics
- •Integrated MongoDB and Express for complex data models
- •Had Internship in NodeJS Backend Development
Freelancer
- •Built client-facing websites and online stores using React and Node.js
- •Developed backend APIs and integrated payment systems
- •Configured monitoring and logging tools for production reliability
Education
Master of Computer Application
Advanced software engineering, cloud systems, and full-stack development
Bachelor of Computer Application
Core computer science, system design, and web development fundamentals
Certifications
Meta Backend Developer Certification
Python programming, MySQL databases, Django web framework
Meta Frontend Developer Certification
Advanced React, responsive design, accessibility, and modern JavaScript tooling
Get In Touch
Ready to discuss your next project? Let's build something amazing together.