Hi, I'm Syed EhsanFull Stack EngineerScalable APIs & AI Systems

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engineer.go
● live
// Build production-grade backend systems
func Build() Engineer {
  return Engineer{
    Focus:  "Scalable APIs, SaaS, Distributed Systems",
    Stack:  "Go, Node, PostgreSQL, Redis, Kafka",
    Status: "Open to remote opportunities",
  }
}

Currently building AI-powered analytics platforms and SaaS architectures. Product-minded engineer who takes ownership from database schema design to cloud deployment.

Resume
SYSTEM MODULES

System Architecture

Technical deep-dives into production backend systems, API design, and distributed architectures.

MOD 1 OF 8
MOD-01

Datatawk AI

Enterprise-grade AI analytics pipeline that translates natural language queries into safe, executable SQL with self-improving feedback loops.

Key Highlights

➔Natural Language to SQL conversion using secure AI agent workflows
➔Abstraction layer over SQL Server to ensure query safety and rate-limiting
➔Instantaneous chart rendering for non-technical users
Next.jsNode.jsAzure OpenAISQL ServerMicrosoft Fabric
MOD-02

PlotCRM - Enterprise Real Estate

Enterprise-grade real estate platform handling thousands of plots across massive land development projects with high-concurrency SVG mapping and automated financial ledgers.

Key Highlights

➔Currently managing 10,000+ individual plots across multiple massive land development projects
➔Interactive SVG-based plot maps with real-time status synchronization (Available, Booked, On-Hold)
➔Automated multi-tier commission engine for Business Promoters with dynamic performance slabs
SVG InteractivityNext.jsNode.jsPostgreSQLReal-time Engine
MOD-03

Real Estate SaaS & Invoicing Platform

Financial and property lifecycle management backend handling complex state machines for construction milestones and payments.

Key Highlights

➔Highly relational PostgreSQL schema designed with Prisma ORM
➔Dynamic payment plans tied to construction states (CLP, Down Payment, Flexi)
➔Resilient background job system (Cron) for payment schedules and email reminders
Express.jsPostgreSQLPrismaAWS S3AWS EC2React Query
MOD-04

Scalable E-commerce Backend (Go)

Go-based backend with concurrency-safe inventory, reservation system, and fault-tolerant payment handling.

Key Highlights

➔Prevented overselling via reservation + atomic stock updates
➔Handled payment failures with idempotent flows and stock recovery
➔Redis caching + optimized queries (no N+1)
GoPostgreSQLRedisDocker
MOD-05

Fitquest Gamification Backend

High-throughput API layer and real-time backend for an educational platform, processing live scoring and leaderboards for concurrent active users.

Key Highlights

➔25+ core services and 350+ individual REST endpoints
➔Real-time low-latency leaderboards built with WebSockets (Socket.IO)
➔Optimized PostgreSQL queries with Drizzle ORM to handle heavy concurrent I/O
Node.jsPostgreSQLSocket.IODrizzle ORMDockerGCP
MOD-06

Life RPG Mobile App

Gamified self-improvement and productivity platform that transforms real-life goals into epic RPG journeys.

Key Highlights

➔Cross-platform mobile architecture with React Native
➔Real-time data synchronization across devices using Firebase
➔Complex state management handling user progressions and rewards
React NativeFirebaseReduxNode.js
MOD-07

Employee Tracking App

Cross-platform mobile application utilizing geolocation for tracking employee attendance, location, and work hours.

Key Highlights

➔Battery-efficient background geolocation tracking
➔Secure authentication and role-based permissions
➔Automated timesheet generation and reporting
React NativeFirebaseReduxGoogle Maps API
MOD-08

SurasaLife E-commerce

E-commerce platform with payments and logistics integration for health and wellness products.

Key Highlights

➔Custom shopping cart and checkout flows
➔Secure payment gateway integrations (Stripe/Razorpay)
➔Scalable inventory management system
Next.jsNode.jsMongoDBTailwindCSS
SYSTEM PROFILE

Backend Engineer building AI platforms

Backend software engineer building high-concurrency systems, AI agent workflows, and event-driven architectures. Taking full ownership from database schema design to cloud deployment.

System Status: Active

Currently scaling distributed architectures with 350+ endpoints and integrating AI-powered analytics pipelines into SQL Server.

Availability: Open to high-impact remote backend roles & consulting

Core Expertise

Go (Golang)Node.jsPostgreSQLRedisDockerKafkaSystem DesignAI Engineering
Let's Work Together
SYSTEM ARCHITECTURE NODE GRAPH
60 FPS DATA FLOW
API GatewayRate Limit / AuthGo / Node ServiceEvent Loop & RESTRedis CacheSub-ms In-MemoryPostgreSQL / SQLACID & SchemaAI Worker PoolLLM & Vector DB
TECH STACK

What we build with

Next.js
React
Node.js
TypeScript
Python
Go
Gin
Fiber
Java
C#
C++
PHP
React Native
Flutter
Expo
Three.js
Next.js
React
Node.js
TypeScript
Python
Go
Gin
Fiber
Java
C#
C++
PHP
React Native
Flutter
Expo
Three.js
Next.js
React
Node.js
TypeScript
Python
Go
Gin
Fiber
Java
C#
C++
PHP
React Native
Flutter
Expo
Three.js
Next.js
React
Node.js
TypeScript
Python
Go
Gin
Fiber
Java
C#
C++
PHP
React Native
Flutter
Expo
Three.js
Django
Flask
FastAPI
LangChain
LlamaIndex
Hugging Face
Claude API
OpenAI API
Qdrant
Pinecone
Zod
Strapi
Fastify
Express.js
NestJS
Hono
Django
Flask
FastAPI
LangChain
LlamaIndex
Hugging Face
Claude API
OpenAI API
Qdrant
Pinecone
Zod
Strapi
Fastify
Express.js
NestJS
Hono
Django
Flask
FastAPI
LangChain
LlamaIndex
Hugging Face
Claude API
OpenAI API
Qdrant
Pinecone
Zod
Strapi
Fastify
Express.js
NestJS
Hono
Django
Flask
FastAPI
LangChain
LlamaIndex
Hugging Face
Claude API
OpenAI API
Qdrant
Pinecone
Zod
Strapi
Fastify
Express.js
NestJS
Hono
MongoDB
Redis
MySQL
SQL Server
Supabase
Firebase
DynamoDB
DuckDB
CockroachDB
Elasticsearch
Drizzle ORM
Prisma
PostgreSQL
MongoDB
Redis
MySQL
SQL Server
Supabase
Firebase
DynamoDB
DuckDB
CockroachDB
Elasticsearch
Drizzle ORM
Prisma
PostgreSQL
MongoDB
Redis
MySQL
SQL Server
Supabase
Firebase
DynamoDB
DuckDB
CockroachDB
Elasticsearch
Drizzle ORM
Prisma
PostgreSQL
MongoDB
Redis
MySQL
SQL Server
Supabase
Firebase
DynamoDB
DuckDB
CockroachDB
Elasticsearch
Drizzle ORM
Prisma
PostgreSQL
Cloudflare R2
Railway
Render
RabbitMQ
Kafka
BullMQ
AWS S3
Microsoft Fabric
Nginx
GitHub Actions
Auth0
Clerk
Keycloak
Stripe
Razorpay
Docker
Kubernetes
Cloudflare R2
Railway
Render
RabbitMQ
Kafka
BullMQ
AWS S3
Microsoft Fabric
Nginx
GitHub Actions
Auth0
Clerk
Keycloak
Stripe
Razorpay
Docker
Kubernetes
Cloudflare R2
Railway
Render
RabbitMQ
Kafka
BullMQ
AWS S3
Microsoft Fabric
Nginx
GitHub Actions
Auth0
Clerk
Keycloak
Stripe
Razorpay
Docker
Kubernetes
Cloudflare R2
Railway
Render
RabbitMQ
Kafka
BullMQ
AWS S3
Microsoft Fabric
Nginx
GitHub Actions
Auth0
Clerk
Keycloak
Stripe
Razorpay
Docker
Kubernetes
➜/sys/logs

Deployment History

Production systems shipped. Architectures designed. Teams enabled.

01

Software Developer

Udshaa

Internship
Feb 2024 – Present•1 yr

Datatawk — enterprise AI analytics converting natural language to SQL. Built AI agent workflows, self-improving feedback loops, KPI dashboards, and integrated Microsoft Fabric & Power BI.

Next.jsNode.jsMongoDBAzure OpenAISQL ServerMicrosoft Fabric
02

Full Stack Developer

Quickgick™

Internship
Aug 2024 – Nov 2024•4 mos

Full-stack educational platform with gamification, competition management, and social learning. Built RESTful API across 3 admin portals, real-time notifications, and automated scoring.

Next.jsTypeScriptNode.jsPostgreSQLSocket.IODockerGCP
03

Full-stack Developer

Sihari Labs Pvt Ltd

Freelance
Mar 2025 – May 2025•3 mos

Property & Invoicing Management System for real estate. Role-based access, milestone tracking, dynamic payment plans, PDF receipts, cron-triggered email reminders.

Next.jsTypeScriptExpress.jsPostgreSQLPrismaAWS S3
04

Frontend Developer

PRNK Infotech LLP

Freelance
Nov 2024 – Aug 2025•10 mos

Responsive web and mobile apps across multiple client projects. Mobile-first UI/UX, reusable component libraries, and performance & accessibility improvements.

React.jsNext.jsReact NativeTailwind CSSJavaScript
05

Full-stack Developer

AIment

Freelance
Oct 2024 – Jan 2025•4 mos

GenAI-powered features with Flask and Express.js. AI agents, data analysis APIs, and chatbot systems using OpenAI/LLM models with secure proxy API routing.

FlaskPythonNode.jsExpress.jsReact.jsOpenAI
06

Full Stack Developer

Reflense

Internship
Aug 2024 – Nov 2024•4 mos

MERN stack web development — features spanning Node.js, React.js, Express.js, MongoDB, PostgreSQL, and Firebase across diverse client products.

MERN StackFirebaseNode.jsPostgreSQLMongoDB
Get In Touch

Let's Connect

Reach out to discuss architecture, backend systems, or potential collaborations.

Email

ctech1699@gmail.com

Location

India (Remote)

Connect

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