Available for projects

Full-Stack SaaS Engineer

Somnath Khadanga

Bangalore, India

I build high-performance SaaS products — from early architecture to production scale. Currently SDE4 at IQVIA (after ABInBev), and freelancing for founders who need real product engineering, not just code.

LinkedIn GitHub Instagram YouTube Book a call

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

AWSGCPDockerKubernetesCI/CD pipelinesGitHub ActionsNginxEC2

AI & Integrations

OpenAIAzureGPT-4 APIs

Tools

GitGitHubJestPostmanWebpack

DevOps & tooling

Cloud, containers and delivery pipelines

AWS, GCP, Docker, Kubernetes, native CI/CD pipelines and the product stack I ship with — sliding overview of tools used across analytics, AI and ops products.

AWS

EC2 · S3 · deploy & scale

GCP

Cloud run & services

Docker

Containers · consistent envs

Kubernetes

Orchestration · rollouts

CI / CD

Native pipelines · ship safe

GitHub Actions

Build · test · deploy

Nginx

Reverse proxy · TLS

Redis

Cache · rate limits

AWS

EC2 · S3 · deploy & scale

GCP

Cloud run & services

Docker

Containers · consistent envs

Kubernetes

Orchestration · rollouts

CI / CD

Native pipelines · ship safe

GitHub Actions

Build · test · deploy

Nginx

Reverse proxy · TLS

Redis

Cache · rate limits

AWS

EC2 · S3 · deploy & scale

GCP

Cloud run & services

Docker

Containers · consistent envs

Kubernetes

Orchestration · rollouts

CI / CD

Native pipelines · ship safe

GitHub Actions

Build · test · deploy

Nginx

Reverse proxy · TLS

Redis

Cache · rate limits

AWS

EC2 · S3 · deploy & scale

GCP

Cloud run & services

Docker

Containers · consistent envs

Kubernetes

Orchestration · rollouts

CI / CD

Native pipelines · ship safe

GitHub Actions

Build · test · deploy

Nginx

Reverse proxy · TLS

Redis

Cache · rate limits

Next.js

App Router · SSR / ISR

React

Web · React Native

Node.js

APIs · workers

TypeScript

Typed product code

PostgreSQL

Relational data

MongoDB

Document stores

Chart.js

Analytics dashboards

OpenAI / LLMs

AI product features

Next.js

App Router · SSR / ISR

React

Web · React Native

Node.js

APIs · workers

TypeScript

Typed product code

PostgreSQL

Relational data

MongoDB

Document stores

Chart.js

Analytics dashboards

OpenAI / LLMs

AI product features

Next.js

App Router · SSR / ISR

React

Web · React Native

Node.js

APIs · workers

TypeScript

Typed product code

PostgreSQL

Relational data

MongoDB

Document stores

Chart.js

Analytics dashboards

OpenAI / LLMs

AI product features

Next.js

App Router · SSR / ISR

React

Web · React Native

Node.js

APIs · workers

TypeScript

Typed product code

PostgreSQL

Relational data

MongoDB

Document stores

Chart.js

Analytics dashboards

OpenAI / LLMs

AI product features

Experience

IQVIA

Current

Software Development Engineer 4 (SDE4)

May 2025 – Present

SDE4

current role

Building analytics-heavy backends and product surfaces for healthcare / life-sciences workflows

AI + data

product focus

Data visualisation, Chart.js-style dashboards, and AI-related application features in production systems

Scale

enterprise apps

Performance, reliability and API work on operational platforms used by large healthcare clients

Full-stack

delivery

React / Next.js frontends with Node.js services, caching and secure release practices

Joined after ABInBev
Healthcare and life-sciences domain systems under production load
Collaboration across product, analytics and engineering teams in Agile delivery

ABInBev

Full-Stack Software Developer

June 2025 (prior to IQVIA)

~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

Brewery & commercial ops — analytics-heavy backends for production and distribution teams
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%
Moved to IQVIA as SDE4 after ABInBev

Learnbay

Full-Stack Software Developer

Mar 2024 – Apr 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

Profile-to-website builder for small businesses

India-first SaaS that turns existing business information — Google Maps, visiting cards, documents, social profiles — into booking-ready one-page websites. AI content, review-before-publish, WhatsApp and scheduling. Built solo as a founder product.

founder product

100%

solo build

Next.jsTypeScriptPostgreSQLAI APIsRazorpay

Read the full case study

Building now

Adaptive Agent UI

AI agent that reshapes UI around visitor intent

Productising the dynamic site-agent pattern — intent detection, journey-based UI, session memory and guided CTAs so every visitor sees the path that matches their problem, not a static homepage.

Live

pattern on this site

Next.jsTypeScriptLLM routingSession memory

Read case study →

Building now

AI Booking & Inventory

Automated booking that manages inventory with AI

AI-enabled booking that checks availability, books or reschedules, and keeps inventory in sync — so calendars and stock stop fighting each other over WhatsApp and spreadsheets.

WIP

booking + stock loop

Next.jsNode.jsAI agentsInventory sync

Read case study →

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