Shaik Sajid Hussain

Full-Stack & DevOps Engineer with 2.5+ years of experience building SaaS, healthcare, and AI-powered products from idea to production. Experienced acr...

About

Full-Stack & DevOps Engineer with 2.5+ years of experience building SaaS, healthcare, and AI-powered products from idea to production. Experienced across React, Next.js, Node.js, Docker, CI/CD, cloud infrastructure, payment systems, and AI workflow automation.

Skills

Frontend

React.js Next.js TypeScript JavaScript (ES6+) Tailwind CSS Framer Motion ShadCN/UI Radix UI Headless UI

Backend

Node.js Express.js REST APIs WebSockets Prisma ORM NextAuth.js

AI & Automation

OpenAI API Claude API n8n Puppeteer WhatsApp Business API Meta Business Suite Prompt Engineering

Databases

PostgreSQL MongoDB Query Optimization Schema Design

DevOps & Infra

Docker Jenkins CI/CD Linux Nginx VPS Prometheus Uptime Kuma

Cloud & Tools

AWS (S3) Git Webpack Turbopack Postman Figma Jira VS Code

State & Forms

Zustand Context API React Hook Form Zod

Projects

Kovamall — Milk Diary Management System

React.js Node.js Prisma PostgreSQL Docker Nginx n8n WhatsApp Business API Meta Business Suite OpenAI API Vercel VPS

Built a full dairy management platform where farmers are assigned unique codes to log daily milk supply, and the system sends automated WhatsApp notifications via Meta Business Suite with collection summaries. Integrated OpenAI API for image enhancement of farmer and product photos. Built a complete RBAC dashboard for farmers and admins with collection history, payments, and reports. Deployed backend on VPS with Docker, connected domain via Nginx. Frontend on Vercel, PostgreSQL managed on VPS via CLI.

AJ Supplements

React.js Tailwind CSS GSAP Node.js SEO

Built the full website and a Feed Formulation Software for AJ Supplements, a Hyderabad-based manufacturer of animal nutrition supplements distributed globally. Software handles species-specific diet formulation for poultry, ruminants, swine, and aquaculture — with real-time formulation, built-in nutrient libraries, and feed production integration. Implemented full technical SEO — structured data, meta tags, sitemaps, and Core Web Vitals optimization — ranked the website to #1 on Google for target keywords. Achieved Lighthouse score 90+.

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Imagifine — AI Image Generation SaaS

Next.js OpenAI Razorpay AWS Vercel

Built a text-to-image SaaS using OpenAI’s image API. Users buy credits via Razorpay and generate images. Onboarded 20+ paid users in the first month.

View Project →

AI Automation Workflows

OpenAI API Claude API n8n Puppeteer

Built production automation pipelines using n8n with OpenAI and Claude APIs for patient engagement, lead gen, and content workflows. Used Puppeteer for browser automation tasks.

Experience

Founding Engineer — Full-Stack & DevOps

Kiora Care Pvt. Ltd.

01/02/2026 - Present

Built 5 healthcare portals (Patient, Doctor, Diagnostics, Operations, Admin) as the sole engineer — handled everything from system design to deployment. Set up Razorpay for payments across appointments, diagnostics, and subscriptions — platform has processed Rs. 2 Lakhs+ so far. Automated CI/CD with Docker + Jenkins reducing deployment time by 60%; configured Nginx reverse proxy with SSL and caching — APIs respond under 200ms. Maintained 99.9% uptime using Prometheus and Uptime Kuma for monitoring across all services. Optimized image loading with AWS S3, next/image, lazy loading, and CDN caching — Lighthouse 95+, page load under 1.5s. Integrated WhatsApp Business API and Meta Business Suite for automated patient notifications, appointment reminders, and marketing campaigns. Built AI workflows using n8n with OpenAI and Claude APIs for patient engagement, lead follow-ups, and campaign content generation. Used Puppeteer to automate report generation and browser-based task workflows — saved hours of manual work weekly. Handled all SEO — structured data, meta tags, sitemaps, and Core Web Vitals improvements.

Full-Stack Developer

QubicGen Software Solutions Pvt. Ltd.

- Present

QubiNest LMS — Built a multi-tenant LMS with course management, live sessions, and role-based access. Integrated Razorpay for subscription billing with auto-retry on failed payments. Fixed slow database queries using indexing and batching — cut average DB response time by 55%. Added WebSocket notifications for real-time course activity updates. CTI Systems — Built the corporate website for a Luxembourg-based industrial company with 60+ years of experience and 1000+ global installations. Vidyantra — Built a school management SaaS covering attendance, fees, exams, timetables, and staff communication using React.js, TypeScript, Express.js, Prisma, PostgreSQL. Corporate Website — Rebuilt with React.js, Tailwind CSS, GSAP — Lighthouse 95+, page load under 1.5s, bounce rate down 25%.

Education

B.Tech, Electrical & Electronics Engineering

Srinivasa Ramanujan Institute of Technology

01/01/2019 -

Certifications

React JS— Self-Paced Course

Udemy

AWS Fundamentals— Beginner Level

Hacktoberfest 2025

Contact

Email: sanjusazid0@gmail.com