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+.
View Project →
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