Shaikh Sameer | Senior Full Stack Engineer — Node.js, React, System Design

About

Professional summary

Senior Full Stack Developer with 8 years of experience delivering scalable backend systems and enterprise web applications. Specialized in Node.js architecture, real-time systems, and high-performance APIs with strong expertise in React and modern JavaScript frameworks.

Proven track record of improving system performance, leading development teams, and deploying production systems serving thousands of users.

Industries: Healthcare, Logistics, Education, SaaS, ERP. Backend: Node.js, Express, NestJS, REST APIs, WebSockets, microservices. Frontend: React, Next.js, TypeScript, Tailwind.

8+

Years

5+

Companies

10+

Projects

500+

Users

Skills

Languages, frameworks, databases, DevOps, cloud, and engineering practices

Languages

JavaScript (ES6+)TypeScriptSQL

Backend

Node.jsExpress.jsNestJSREST APIsWebSocketsSocket.IO

Frontend

React.jsNext.jsRedux ToolkitHTML5CSS3Tailwind CSS

Databases

PostgreSQLMongoDBMySQLQuery OptimizationData Modeling

ORM / Query Builders

Prisma ORMKnex.js

Cloud & DevOps

DockerGitCI/CDDigitalOceanAWS (EC2, S3)VPS Deployment

Tools

Electron.jsRedisLinux ServersPerformance Monitoring

Engineering

System DesignScalable ArchitectureAPI SecurityAgile Development

Experience

8 years across 5 companies

Senior Software Engineer

Coreline IT Solutions

Aurangabad, India

Feb 2025 – PresentCurrent

Architected scalable backend services supporting enterprise applications used by multiple client organizations
Developed responsive admin dashboards using Next.js, React.js and Tailwind CSS enabling efficient management of enterprise application workflows
Led engineering team of 6 developers delivering web platforms, internal tools, and SaaS applications
Increased API performance by 40%
Established CI/CD pipelines enabling automated deployments and reducing release time by 60%
Implemented reusable frontend components and optimized UI rendering improving application performance and maintainability
Guided junior developers through code reviews, architectural discussions, and performance optimization strategies

Next.jsReactTailwind CSSNode.jsCI/CDTypeScript

Software Engineer

Moksha Solutions

Aurangabad, India

Jun 2024 – Jan 2025

Engineered backend services powering applications used in healthcare and logistics sectors
Accelerated API response times by redesigning database indexes and improving query execution
Collaborated with frontend teams to implement responsive UI features using React.js ensuring seamless integration with backend APIs
Collaborated with cross-functional teams delivering production features across multiple client projects
Strengthened application stability through debugging, monitoring, and automated testing

Node.jsReactPostgreSQL

Full Stack Developer

ARA Global

Aurangabad, India

Feb 2023 – Apr 2024

Built internal enterprise applications supporting operations for more than 500 employees
Delivered a complete ERP platform including HR payroll, attendance tracking, and reporting dashboards
Developed responsive frontend dashboards using React.js enabling employees and administrators to manage operational workflows efficiently
Implemented REST APIs using Node.js enabling seamless communication between frontend interfaces and backend services
Reduced system latency by 40%
Introduced real-time notification infrastructure using WebSockets improving user engagement
Managed production deployments and server configuration across Linux VPS environments

Node.jsReactREST APIsWebSocketsLinuxVPS

Full Stack Developer

Techsparagus

Aurangabad, India

Feb 2022 – Feb 2023

Engineered REST APIs supporting mobile and web applications handling thousands of API requests daily
Developed responsive frontend components using React.js ensuring seamless user experience across desktop and mobile devices
Integrated frontend applications with backend services through REST APIs enabling dynamic data interaction
Introduced real-time messaging and notification systems using WebSockets
Structured scalable MongoDB and MySQL database schemas improving query performance

Node.jsReactMongoDBMySQLWebSocketsREST APIs

Junior Full Stack Developer

Vaibhav Consulting Services

Aurangabad, India

Dec 2019 – Jan 2022

Contributed to ERP modules including billing, inventory management, and financial reporting
Created backend logic for casino-style gaming systems including betting engines and wallet tracking
Built desktop business tools using Electron.js improving operational efficiency for internal users

Node.jsElectron.jsJavaScriptMySQL

Projects

Enterprise platforms, SaaS products, and real-time systems — from education to food delivery

01

StudyPulse

Online Learning & Examination Platform

StudyPulse

Online Learning & Examination Platform

Designed and built a scalable online learning platform allowing students to access study material, take exams, and track academic progress. Institutions manage exams, users, reports, and financial transactions through a responsive admin dashboard.

Highlights

Multi-role access: Admins, Operators, Schools, Students
JWT authentication with role-based authorization
Razorpay payment gateway for subscription-based access
PDF report generation for student performance analytics
DigitalOcean Spaces for study materials, images, exam resources
Redis caching — ~30% API response time improvement
CI/CD pipeline with GitHub Actions and Docker

Architecture

Backend: Node.js + Express + PostgreSQL. Frontend: React admin dashboard. Auth: JWT. Storage: DigitalOcean Spaces.

Node.jsExpressReactPostgreSQLRedisRazorpayDockerDigitalOcean

02

Indian Design Editing Platform

Marketing Design Customization for Small Businesses

Indian Design Editing Platform

Marketing Design Customization for Small Businesses

Web platform allowing small businesses to quickly customize marketing designs by editing pre-built templates. Real-time editing interface for text, colors, branding — upload logos, personalize designs, and purchase customized assets.

Highlights

Real-time template editing (text, colors, branding)
Cloudflare R2 for high-resolution template assets and user designs
Backend APIs: template management, design workflows, purchase transactions
Image purchase system for marketing and branding use
CDN-backed storage for optimized image load speed

Architecture

Frontend editing interface + backend APIs. Storage: Cloudflare R2 with CDN.

ReactNode.jsCloudflare R2REST APIs

03

POST EAT

Australian Food Delivery Platform

POST EAT

Australian Food Delivery Platform

Full-stack food delivery system supporting restaurants, customers, and delivery partners. Responsive interfaces for seamless ordering across desktop and mobile. Real-time order tracking and live status updates.

Highlights

Backend services: orders, menus, payments, delivery logistics
Real-time order tracking via WebSockets and Socket.IO
Notification services for customers and delivery partners
Database query optimization and indexing for order processing speed

Architecture

Node.js + MongoDB backend. Real-time: Socket.IO. Multi-role: Restaurants, Customers, Delivery.

Node.jsMongoDBReactSocket.IOWebSockets

04

KT Guru

Global SaaS Knowledge Transfer Platform

KT Guru

Global SaaS Knowledge Transfer Platform

SaaS platform enabling consultants to conduct knowledge transfer sessions with global clients. Real-time communication and collaboration features for concurrent sessions.

Highlights

Real-time chat, file sharing, and collaboration
Scalable backend for concurrent sessions and multi-user interactions
Role-based access: consultants, clients, administrative users

Architecture

SaaS multi-tenant. Real-time modules for chat and file sharing.

Node.jsReactWebSocketsSaaS

05

Casino Gaming Platform

Real-time Casino Gaming Backend

Casino Gaming Platform

Real-time Casino Gaming Backend

Real-time casino gaming backend supporting multiple games including Roulette and DKD. Betting engine with wallet management and secure transaction recording.

Highlights

Betting engine: bet validation, payout calculation, wallet management
Server-side randomization algorithms for fairness and integrity
Secure transaction system for bets, winnings, wallet balances

Architecture

Backend betting engine. Server-side randomization. Wallet and transaction logging.

Node.jsWebSocketsReal-timeWallet System

Architecture

System design, scalable backend, CI/CD, API security, and deployment practices

Scalable Node.js

REST APIs with Express & NestJS, microservices, JWT auth, query optimization, WebSocket notifications. 40% latency reduction via indexing.

• Role-based access control
• Real-time notification infra

CI/CD & Docker

GitHub Actions, Docker, Linux VPS, DigitalOcean, AWS. 60% faster releases. Automated deployments, Nginx, server configuration.

• Automated deployments
• VPS deployment

API Security

JWT authentication, role-based authorization, secure transaction systems, server-side validation.

Performance

Redis caching, query optimization, indexing, performance monitoring, UI rendering optimization.

Download

CV and cover letter

CV (PDF)Cover Letter

Contact

Open to opportunities

Get in touch

samsk7774@gmail.com +91-8379843464

Aurangabad, India