Frontend
- React.js
- Next.js
- Gatsby.js
- JavaScript
- TypeScript
- Tailwind CSS
- HTML5
- CSS3
Based in India
Hello, I'm
Susmita Mandal
Software Developer
Frontend-focused Full Stack Developer with 4 years of experience building enterprise web applications and SaaS tools using React.js, Next.js, Gatsby.js, TypeScript, Node.js, and headless CMS platforms such as Strapi and Payload CMS.
Currently expanding my expertise in Python, FastAPI, Generative AI, LLMs, RAG, embeddings, vector databases, and AI agents to build scalable, AI-powered applications.
About
Building enterprise web products with craft and ownership.
Experienced in reusable UI components, REST and GraphQL APIs, headless CMS platforms, admin dashboards, SEO, accessibility, Core Web Vitals optimization, and production deployments. I have independently shipped enterprise websites, a PIM admin portal, and full-stack tools including an AI resume analyzer and a web performance analyzer. Currently expanding expertise in AI-powered applications and modern full-stack craft.
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Years Experience
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Enterprise Websites
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Independent Deliveries
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Production Apps
React ExpertHeadless CMS DeveloperAI IntegrationPerformance OptimizationSEO ImplementationAccessibility
2022
Joined Newgen KnowledgeWorks
Started as Software Developer building enterprise web apps.
2023
Independent enterprise deliveries
Owned end-to-end builds including Synthite and Montra Electric.
2024
CMS & performance depth
Scaled Strapi-driven platforms, SEO, accessibility, and deployments.
Now
AI-ready full stack craft
Shipped AI resume analyzer, web performance analyzer, and EuroGrip PIM alongside production systems.
Skills
A modern stack for enterprise and full-stack systems.
Grouped by craft area — from React interfaces to AI integration, CMS architecture, APIs, and production deployment.
Backend
- Node.js
- Express.js
- Python
- FastAPI
- REST APIs
- GraphQL
Headless CMS
- Strapi CMS
- Payload CMS
Database
- MongoDB
- MySQL
AI & Analytics
- Google Gemini
- AI Integration
- Core Web Vitals
- PageSpeed Insights
Tools
- Git
- GitHub
- GitLab
- Bitbucket
- Postman
- Figma
Deployment
- Linux
- Nginx
- FileZilla
Others
- SEO
- Accessibility
- Performance Optimization
- Responsive Design
- Image Optimization
- Production Support
Experience
Production ownership across the full delivery lifecycle.
From reusable UI systems and CMS architecture to Linux/Nginx deployments and ongoing support.
Featured Projects
Enterprise websites shipped to production.
Independent and team deliveries across corporate, fintech, AI, and enterprise platforms.
Independent
AI Resume Analyzer
Portfolio demo that analyzes PDF resumes with Google Gemini — structured feedback on score, skills, job match, and bullet rewrites.
- Next.js
- TypeScript
- Tailwind CSS
- Google Gemini
- MongoDB
- Zustand
Features
- · AI resume scoring & feedback
- · Job description matching
- · Cover letter generation
Responsibilities
- · Full-stack development
- · AI integration
- · Resume parsing
Independent
Web Performance Analyzer
SaaS-style tool that measures Core Web Vitals, Lighthouse scores, and actionable recommendations for any public website.
- Next.js
- TypeScript
- FastAPI
- Python
- MongoDB
- PageSpeed Insights
- Recharts
Features
- · Mobile & desktop analysis
- · Lighthouse category scores
- · Core Web Vitals (LCP, CLS, INP)
Responsibilities
- · Frontend development
- · Backend API design
- · PageSpeed integration
Independent
EuroGrip PIM
Product Information Management admin portal for EuroGrip — the bike tyre specialist — managing catalogue data and product workflows.
- React.js
- Node.js
- REST APIs
- Tailwind CSS
Features
- · PIM admin portal
- · Product catalogue management
- · Role-based admin access
Responsibilities
- · Frontend development
- · Admin dashboard UI
- · API integration
Independent
Murugappa Group
Enterprise corporate website for one of India's leading business conglomerates — built end-to-end with Next.js and Strapi CMS.
- Next.js
- Tailwind CSS
- Strapi CMS
- REST APIs
Features
- · CMS-driven dynamic pages
- · Enterprise-grade responsive design
- · SEO & performance optimized
Responsibilities
- · End-to-end frontend development
- · Responsive UI
- · Strapi integration
Independent
Synthite Industries
Global spice and botanical extract company website powered by Gatsby.js, GraphQL, and Strapi CMS.
- Gatsby.js
- Strapi CMS
- GraphQL
- Tailwind CSS
- Node.js
- REST APIs
Features
- · GraphQL content layer
- · Accessible contact & inquiry forms
- · Image & loading optimization
Responsibilities
- · Frontend Development
- · Strapi CMS Integration
- · Custom API Integration
2 Member Team
VMSH
Institutional website with full frontend, Strapi development, API creation, and ongoing maintenance.
- Gatsby.js
- Strapi CMS
- REST APIs
- Tailwind CSS
- Node.js
Features
- · Custom API endpoints
- · CMS content architecture
- · Responsive institutional UI
Responsibilities
- · Frontend Development
- · Strapi Development
- · API Creation
Independent
Montra Electric
Electric vehicle brand website with custom API development, responsive UI, and production deployment.
- React.js
- REST APIs
- Tailwind CSS
Features
- · Custom REST API layer
- · Brand-forward responsive UI
- · SEO & performance tuning
Responsibilities
- · Frontend Development
- · API Development
- · API Integration
Group Project
Suryoday Small Finance Bank
Digital banking experience focused on responsive UI, Strapi components, and image optimization.
- Gatsby.js
- Strapi CMS
- Tailwind CSS
Features
- · Optimized image pipeline
- · CMS-driven components
- · Mobile-first banking UX
Responsibilities
- · Responsive UI
- · Strapi Components
- · Image Optimization
Group Project
Equitas Small Finance Bank
Banking website with reusable Strapi components and financial calculators for customer-facing tools.
- Gatsby.js
- Strapi CMS
- GraphQL
- Tailwind CSS
Features
- · Financial calculators
- · Reusable CMS components
- · Responsive banking UI
Responsibilities
- · Strapi Components
- · Responsive UI
- · Banking Calculators
Services
What I bring to every engagement.
From frontend systems and SaaS tools to CMS platforms, AI features, APIs, SEO, accessibility, and production care.
Frontend Development
Pixel-precise, accessible interfaces with React, Next.js, and modern CSS systems.
Full Stack Development
End-to-end web applications spanning UI, APIs, CMS, and deployment pipelines.
Enterprise Website Development
Scalable corporate and institutional websites built for performance and SEO.
Headless CMS Development
Strapi and Payload architectures with reusable components and content models.
React Development
Reusable component libraries and interactive product experiences in React.
Next.js Development
App Router applications with SSR/SSG, routing, and production-grade DX.
API Development
Custom REST and GraphQL endpoints tailored to business workflows.
API Integration
Reliable third-party and CMS integrations with clean data contracts.
SEO Optimization
Technical SEO, metadata, structured data, and crawl-friendly architecture.
Performance Optimization
Core Web Vitals audits, Lighthouse scoring, image strategy, and actionable recommendations.
AI Application Development
LLM-powered features — resume analysis, structured feedback, and intelligent document workflows.
Admin Dashboard Development
PIM portals, CMS admin UIs, and data management interfaces for enterprise teams.
SaaS Tool Development
Full-stack utilities with Next.js frontends, Python/FastAPI backends, and MongoDB persistence.
Accessibility
WCAG-minded UI patterns, keyboard flows, and inclusive form experiences.
Website Maintenance
Production support, deployments, monitoring fixes, and continuous improvements.
Let's collaborate
Need a frontend-focused full stack developer for your next enterprise build?
I ship production-ready React and CMS platforms — from reusable UI systems to Linux deployments.
Start a conversation