Available for projects

Full-Stack SaaS Engineer

Somnath Khadanga

Bangalore, India

I build high-performance SaaS products — from early architecture to production scale. Currently engineering at ABInBev, and freelancing for founders who need real product engineering, not just code.

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Years experience

Companies shipped at

1000+

Concurrent users supported

50+

Production pages built

Tech Stack

Frontend

Next.jsReact.jsTypeScriptTailwind CSSReduxZustandFramer MotionShadCNMUIReact Native

Backend

Node.jsExpress.jsREST APIsRedis

Database

MongoDBSQL

Cloud & DevOps

AWS EC2DockerCI/CDNginx

AI & Integrations

OpenAIAzureGPT-4 APIs

Tools

GitGitHubJestPostmanWebpack

Experience

ABInBev

Current

Full-Stack Software Developer

June 2025 – Present

~35%

fewer re-renders

Refactored 15+ React pages with Redux, useCallback, useMemo

~30%

faster API responses

Reduced Node.js event loop blocking with async handlers and query caching

~40%

faster SQL queries

Resolved deadlocks with restructured transactions and proper indexing

~25%

fewer DB hits

Redis caching and rate limiting across critical endpoints

Containerized apps with Docker for consistent dev/staging/prod environments
Applied CORS, cookie policies, and header-level security checks
100% sprint delivery in Agile/Scrum, boosted team performance ~20%

Learnbay

Full-Stack Software Developer

Mar 2024 – June 2025

+25%

user engagement

Built AI-powered cross-platform language app (React Native, Next.js, MongoDB) on AWS EC2

~40%

less downtime

Shipped 50+ Next.js pages with ISR, optimized build processes

~70%

less manual work

Automated backend workflows with Node.js REST APIs

~30%

faster page loads

Frontend caching with static props, ISR routing, and API caching

Integrated Stripe payments and Google Calendar API in 2–3 week sprints

Skillslash

Full-Stack Developer

Mar 2021 – Mar 2024

~35%

SEO & load boost

Scalable E-Commerce and Job Portal with Next.js SSR/ISR, Redux, TypeScript

~40%

dev productivity up

Migrated legacy React apps to Next.js 13+ with MongoDB + Node.js APIs

~90%

billing accuracy

Invoice Generation SaaS with Stripe, automated PDF generation, email alerts

1000+

concurrent users

Multi-tenant HR Dashboard with WebSockets and real-time AI-driven analytics

AI Resume Builder with GPT-4 APIs — improved job seeker engagement ~25%

Key Projects

+25% user retention

AI Language Learning App

Cross-platform app with AI-driven speech recognition and real-time progress tracking. Deployed on AWS EC2 with Nginx.

React NativeNext.jsMongoDBTypeScript

~90% billing accuracy

Invoice Generator SaaS

End-to-end billing platform with automated PDF invoice generation, email alerts, and Stripe payment processing.

Next.jsNode.jsMongoDBStripe

~40% fewer errors

Calendar Booking System

Real-time slot availability, Stripe checkout, and admin dashboard. Reduced scheduling errors and streamlined payment tracking.

Next.jsNode.jsTypeScriptMongoDB

What I'm Building

Personal projects, live SaaS products, and things actively in progress — built to solve real problems and explore new patterns.

Live

PaperChai

Invoicing SaaS for freelancers

Built to solve a real pain — scattered invoices, zero cash-flow visibility, manual follow-ups. PaperChai gives freelancers and small businesses a clean dashboard with invoice creation, payment tracking, and client management. Shipped from idea to production in 11 days, solo.

11days

idea → production

100%

solo build

Next.js App RouterTypeScriptPostgreSQLTailwind CSS

Read the full case study

Building now

AI Agent Platform

Multi-step agents for SaaS automation

Orchestrating AI agents that automate repetitive SaaS workflows — document processing, data extraction, smart routing, and async task queues. Built on OpenAI function calling with a Next.js control plane and Node.js workers.

∞

automation potential

Next.jsOpenAI APINode.jsRedisTypeScript

Live

LocalBoyNani Seafoods

Full-stack e-commerce, 3 cities

Production e-commerce platform for a real seafood delivery business. Live orders, inventory, admin dashboard, and 120-min delivery SLA across Bangalore, Hyderabad & Chennai.

3 cities

live coverage

120min

delivery SLA

Next.jsNode.jsCloudflare R2

Visit live →

Personal

AI Tools Directory

Search UX for AI discovery

Fast, searchable catalog for discovering AI tools. Explores Algolia-powered instant search, Framer Motion transitions, and high-performance frontend rendering for large datasets.

ReactAlgoliaFramer MotionVercel Edge

Personal

AI Code Review Assistant

LLM-in-the-loop dev workflows

GitHub-integrated AI tool that surfaces code review suggestions automatically via GitHub Actions. Explores LLM function calling and async webhook pipelines.

PythonOpenAI APIGitHub ActionsRedis

Building in public. Follow progress on YouTube & Instagram

All case studies

Education

Bachelor of Technology — Computer Science

BPUT, Odisha · 2016 – 2020

Android Development Certification
Trident Academy of Technology

Beyond Code

Pencil Art

Passion for sketching and creative expression — the same attention to detail that goes into my code.

Exploring Cutting-Edge Tech

Enthusiastic about AI, microservices, and whatever ships next. Writing about it on YouTube at @progammingtech4141.

Want to work together?

I'm available for freelance SaaS projects. A 20-minute call is usually enough to figure out if there's a fit.

Book a 20-minute call View case studies