Open to Opportunities
Mumbai, India

hello, I'm

Saurabh
Jaykar

Full Stack Engineer

I'm Saurabh Jaykar, a full stack engineer based in Mumbai, India. I build web and mobile products with React, Next.js, Node.js, and Python, with a focus on AI workflows, backend systems, payments, and cloud deployments.

2.5+

Years Experience

2,000+

International Users

1,000+

CRM Agents Served

NPM

Package Author

Saurabh Jaykar

that's me — building things ✦

where I've worked

Work Experience

2.5+ years shipping production systems — expand each role for details.

Full Stack Engineer

Vedic Rishi Astro Pvt. Ltd.Mumbai, MaharashtraAug 2025 – Present

2,000+ Users · 50% Customer Growth

Build and scale production astrology and commerce products spanning reusable website creation, AI-generated reports, subscription and payment flows, and e-commerce workflows.

What I did

  • Built core AstroPages features that help astrologers create, customize, preview, and publish websites without coding. Delivered 24 reusable premium Astro templates and Cloudflare deployment components; owned lead-management and INR/USD payment-preference REST APIs with role-based access and concurrency-safe updates, and extended the Python/FastAPI AI Builder with reusable skills, MCP integrations, and prompts for site generation and editing
  • Engineered a Python/FastAPI AI report pipeline with parallel OpenAI and OpenRouter agents, Pydantic schema validation, real-time progress tracking, caching, and automated PDF generation. Scaled output from 10 manually prepared reports to 100 automated reports
  • Implemented personalized chart and report views, profile management, localized UI, and country-aware subscription and wallet payment flows for UpAstro using Next.js, Cloudflare, Stripe, and PayPal. Separately developed an AI-powered couple-compatibility platform using astrology APIs, serving 2,000+ international users
  • Architected the VedicRishi Shop Node.js/TypeScript backend across catalog, cart, checkout, and admin order microservices. Implemented admin-configurable festive offers with product and variant discounts, INR/USD previews, and coupon-aware server-calculated checkout totals; added order and shipping tracking, dispatch/delivery notifications, and PostgreSQL transactions with Redis cache invalidation
  • Built session-based journey tracking from browsing through checkout, linking browser activity to verified payment outcomes and recording exit reasons. Surfaced drop-off points in an admin viewer and ran personalized WhatsApp/email follow-ups through Graphile Worker, contributing to a 50% increase in total customers
  • Built a marketing tool for WhatsApp, email, and push campaigns with user segmentation, increasing open rates by 28%; integrated Amazon SES delivery, bounce, and spam tracking

Tech stack

  • Next.js
  • Node.js
  • TypeScript
  • Python
  • FastAPI
  • OpenAI
  • OpenRouter
  • Pydantic
  • REST APIs
  • MCP
  • Cloudflare
  • PostgreSQL
  • Redis
  • Graphile Worker
  • Amazon SES
  • Stripe
  • PayPal

Full Stack Developer

Affworld Technologies Pvt. Ltd.Remote — Dubai, UAEJan 2024 – Jul 2025

20 Dubai Firms · 1,000+ Agents

Engineered frontend, backend, and AI workflows for Propfusion, an AI-powered real estate CRM adopted by firms across Dubai.

What I did

  • Engineered Propfusion workflows for 20 Dubai firms and 1,000+ agents, including property listings, document management, in-app chat, lead capture and assignment, and sales pipeline views
  • Built CRM APIs for properties, leads, and conversations with JWT-based authentication and role-based access control; optimized database queries to keep listing searches and agent dashboards responsive
  • Integrated Gemini API to generate property descriptions and automate lead follow-ups, reducing repetitive writing and helping agents respond faster

Tech stack

  • React.js
  • Node.js
  • REST APIs
  • JWT
  • RBAC
  • Gemini API
  • MongoDB

what I've been building

Featured Work

Full-stack applications, scalable tools, and open-source contributions.

AstroPages AI astrology website builder homepage01
◆ Vedic Rishi Astro

AstroPages

✦ 24 Reusable Templates

An AI-powered no-code website builder that enables astrologers to create, customize, preview, and publish production-ready websites. Delivered 24 reusable Astro templates, Cloudflare deployment components, and Python/FastAPI AI Builder workflows.

Next.jsAstroPythonFastAPIMCPCloudflare
Vedic Rishi Shop zodiac bracelet collection page02
◆ Vedic Rishi Astro

VedicRishi Shop

✦ 50% More Customers

Architected the Node.js/TypeScript backend across catalog, cart, checkout, and admin order workflows. Built configurable festive and variant offers with coupon-aware checkout, order and shipping tracking, and session-based journey analytics with personalized follow-ups—contributing to 50% more customers.

Node.jsTypeScriptMicroservicesPostgreSQLRedisGraphile Worker
UpAstrology birth chart experience homepage03
◆ Vedic Rishi Astro

UpAstro WebApp

✦ Astrology Reports & Subscriptions

A Western Astrology platform built with Next.js and Tailwind CSS, deployed on Cloudflare Pages. Features Stripe & PayPal integrations, AI-powered reports, and interactive charts using ApexCharts and Leaflet.

Next.jsTailwind CSSCloudflare PagesPostgreSQLDynamoDBZustand
04
◆ Vedic Rishi Astro

Campaign Marketing Automation

✦ Increased Open Rates by 28%

A marketing tool for WhatsApp, Email, and Push campaigns. Implemented flow-based logic for auto-generating user targeting JSON and used Amazon SES for high-volume delivery.

Node.jsExpressAmazon SESRedisBatch Processing
05
◆ Vedic Rishi Astro

Multi-Product Admin Platform

✦ Internal Tool

A scalable Node.js + Express backend with a Next.js admin panel. Managed authentication, roles, payments, and analytics for multiple products with Redis caching optimization.

Next.jsNode.jsExpressRedisPostgreSQL
Propfusion omnichannel real estate CRM homepage06
◆ AffWorld Technologies

Propfusion CRM

✦ 1,000+ Agents Active

An AI-powered real estate CRM integrated with Gemini API for lead follow-ups and property descriptions. Built for 20 Dubai firms to manage property listings and team collaboration.

React.jsNode.jsGemini APIREST APIsMongoDB
QuickLinks URL shortener homepage07
◆ Personal Project

QuickLinks

✦ Link Analytics Built-in

A full-stack URL shortener with a TypeScript Express + MongoDB backend and a React (Vite) client. Features JWT-based authentication, a user dashboard for managing short links, and per-link click tracking with analytics.

ReactViteNode.jsExpressTypeScriptMongoDBJWT
Task Buddy dashboard with task overview, priorities, and completion statistics08
◆ Personal Project

Task Buddy

✦ Secure Task Management

Secure MERN-based task management system with JWT authentication. Features CRUD, smart filters, and real-time updates with a modern UI built using React 19.

MERNJWTReact 19Tailwind CSSVite
toast-ninja interactive playground homepage09
◆ Personal Project

toast-ninja

✦ Published on NPM

A lightweight, customizable React notification library built with TypeScript. Zero dependencies and designed for high performance and easy styling.

ReactTypeScriptNPMVercel
GuideDocs learning platform homepage10
◆ Personal Project

GuideDocs

✦ Used by 100s of Students

Documentation platform built with Astro Starlight, covering 12 technology categories from HTML to DevOps. Actively used by students for learning.

AstroStarlightTypeScriptTailwind CSS

my toolbox

Skills & Tools

The stack I use to design, build, and ship production systems.

Frontend

client-side

React.js
React.js
Next.js
Next.js
JavaScript
JavaScript
TypeScript
TypeScript
HTML5
HTML5
CSS3
Tailwind CSS
Tailwind CSS
Material UI
Material UI

Backend & AI

server-side & AI

Node.js
Node.js
Express.js
Express.js
✦
Python
✦
FastAPI
Fastify
Fastify
REST APIs
✦
LLM Integration
✦
MCP
GraphQL
GraphQL
WebSocket
Socket.io
Socket.io
System Design
Microservices

Databases

storage

MySQL
MySQL
PostgreSQL
PostgreSQL
MongoDB
MongoDB
DynamoDB
DynamoDB

Tools & Secondary

infrastructure

Git
Git
GitHub
GitHub
Redis
Redis
Docker
Docker
AWS
Cloudflare
Cloudflare
CI/CD
SwiftUI
SwiftUI
React Native
React Native
AI
✦
Cursor
✦
Antigravity

numbers that matter

Key Milestones

Quantifiable impact across performance, user growth, and business automation.

2,000+

International Users

Serving users worldwide across UpAstro and AI-powered astrology experiences

+28%

Email Open Rate

Improved campaign performance through user segmentation and automated campaigns

24

Reusable Templates

Delivered and maintained production-ready Astro templates for AstroPages

20

Dubai Firms

Propfusion CRM adopted by real estate businesses across Dubai

1,000+

CRM Agents

Supporting property, lead, document, and collaboration workflows

0

Runtime Dependencies

Published toast-ninja as a lightweight, zero-dependency React library

the formal bits

Education & Certs

Formal education and continuous professional development.

Education

Bachelor of Commerce

Savitribai Phule Pune University, PuneAug 2019 – March 2022

Highest Qualification focused on business management and commerce.

notes from my desk

Latest Writing

a little more about me

A Few Quick Answers

My work, my focus, and where to find me.

Who is Saurabh Jaykar?
I'm a full stack engineer in Mumbai with 2.5+ years of experience building web and mobile products. My work spans frontend development, backend APIs, AI integrations, and cloud deployments.
What do I build?
I build AI-powered web applications, SaaS products, payment integrations, and automation tools with React, Next.js, Node.js, and Python/FastAPI. My projects include AstroPages, UpAstro, Propfusion CRM, and the open-source React library toast-ninja.
What am I working on now?
Since August 2025, I've worked as a Full Stack Engineer at Vedic Rishi Astro in Mumbai. My contributions include AstroPages templates and AI Builder workflows, astrology platforms, payment modules, and campaign automation.
How can you contact me about a role?
I'm open to full-stack and AI product engineering opportunities. Email me at jaykarsaurabh97@gmail.com or connect with me on LinkedIn to discuss a role or a product you're building.

say hello

Let's Connect

Hiring for a full-stack role, or have a product to build? I usually reply within a day.

Direct
Line

no forms fear — email works too

✦Open to opportunitiesMumbai, India