Building scalable full-stack applications, AI-powered systems, and production-grade SaaS platforms from Kerala, India 🇮🇳

• Full-Stack Application Development — React, Django, ASP.NET Core, FastAPI, Node.js/Express
• SaaS Product Architecture & Multi-Tenant System Design
• AI & Machine Learning Integration (LLMs, NLP, Predictive Models)
• Backend Architecture & REST API Development
• Frontend Development & Responsive UI Engineering
• Database Design (PostgreSQL, MongoDB, SQLite, Firebase)
• Cloud Deployment & DevOps (Docker, GitHub Actions CI/CD, Vercel, Render, Netlify, AWS S3)
• Authentication, JWT & Role-Based Access Control
• Payment Gateway Integration (Stripe, Razorpay)
• Business Workflow Automation & AI-Assisted Software Development
• Technical Planning, Product Implementation & Client Communication
• Production Deployment, Go-Live & Post-Deployment Support

HexaStack Solutions is a growing startup team building scalable software solutions, AI-powered applications, SaaS platforms, and modern digital products for clients across India and the UAE.

HexaStack Solutions Team — Building a Startup Company with Smart Technology, Fast Delivery & Real-World Impact.

We focus on building and deploying production-ready projects faster using smart AI-assisted development workflows, while supporting clients through business development, technical implementation, deployment, and ongoing technical support.

🌐 Website: hexastacksolutions.com 📧 Email: hexastacksolutions@gmail.com 📱 WhatsApp: +91 94009 74150 (WhatsApp only)

💻 Programming Languages Python JavaScript (ES6+) TypeScript C# SQL HTML5 CSS3

⚙️ Backend Development Django Django REST Framework Flask FastAPI Node.js Express.js ASP.NET Core 9 Entity Framework Core REST API Design JWT Authentication OAuth

🎨 Frontend Development React.js (18/19) Vite Tailwind CSS Bootstrap Shadcn/UI Framer Motion React Hook Form + Zod TanStack Query

🤖 Artificial Intelligence & Machine Learning Gemini API Groq API (Llama 3.3 70B) Rasa NLU (DIET Classifier) TensorFlow Keras Scikit-learn Pandas NumPy Random Forest Hugging Face LLM Integration Prompt Engineering NLP

🗄 Databases PostgreSQL MongoDB (Prisma ORM) MongoDB Atlas SQLite3 MySQL Firebase Firestore Supabase Redis

☁️ Cloud, DevOps & Deployment Docker GitHub Actions (CI/CD) Render Netlify (Serverless Functions) Vercel AWS S3 Firebase Gunicorn WhiteNoise

💳 Payments & Third-Party APIs Stripe Razorpay SendGrid Resend Twilio yt-dlp

🧰 Development Tools Git GitHub VS Code PyCharm Jupyter Notebook Postman Figma Notion

🤖 AI-Assisted Development Tools Cursor AI Claude Code ChatGPT Gemini DeepSeek Lovable AI

📅 Dec 2024 – Present

• Architected HexaBill, a multi-tenant SaaS billing platform (ASP.NET Core 9, EF Core, PostgreSQL, React) serving 4 paying B2B clients with ~₹1.2 Cr/month transaction volume — 40+ table schema, financial reconciliation, Stripe subscriptions, strict RBAC tenant isolation.
• Executed a UAE legacy data migration for a general trading client: reverse-engineered legacy billing schema, built an automated CSV/JSON transformation pipeline, and migrated 241 live invoices with zero data loss.
• Built HexaCV (hexacv.online) — a live AI-powered ATS resume builder using React 19, dual-LLM (Groq/Gemini) with automatic fallback, a custom ATS scoring engine, and 6 SEO tools.
• Delivered the StarPlus UAE POS Billing System (React 18, ASP.NET Core 9, PostgreSQL) for an Abu Dhabi client — bilingual (EN/AR) invoicing, 5% UAE VAT compliance, inventory management, PWA support.
• Built HEALit, a medical lab management system (React, Node.js, MongoDB) with 30+ preloaded test profiles, automated PDF reporting, and WhatsApp/email delivery.
• Developed Hexa-enquiry, a serverless CRM (Express 5, MongoDB/Prisma, Netlify Functions, React 19) with role-based auth and analytics.
• Currently building the AI Accessibility Super App (Flutter, Firebase) — voice navigation, speech-to-text/text-to-speech, medication reminders, emergency SOS, caregiver mode, and a government disability-scheme finder.

📅 Dec 2024 – May 2025

• Built end-to-end ML pipelines: data preprocessing, feature engineering, model training, and evaluation.
• Integrated ML models with Django applications and developed user interfaces for AI-powered systems.

📅 Mar 2023 – Sep 2023

• Designed, developed, tested, and debugged dynamic Django web applications; integrated Java web services with databases.

📅 Oct 2022 – Mar 2023

• Designed, coded, tested, and debugged Python applications for diverse business requirements.

ASP.NET Core 9 Entity Framework Core PostgreSQL React Stripe.net QuestPDF Docker GitHub Actions Enterprise multi-tenant SaaS with JWT-based tenant isolation, 50+ REST API endpoints (billing, inventory, purchases, payments, subscriptions), Stripe Checkout + webhooks, bilingual invoicing, and PDF/Excel/CSV reporting. 4 B2B clients, ~₹1.2 Cr/month volume.

React 19 TypeScript Groq API Gemini Pro Vercel — Live: hexacv.online Dual-LLM ATS resume builder with a custom scoring engine, risk detection, and 6 free SEO tools (keyword extractor, bullet-point improver, job description analyzer, and more).

.NET Web API React.js PostgreSQL SQLite JWT QuestPDF Render Netlify Production POS and inventory system for a UAE client — VAT-compliant billing, automated stock updates, invoice PDF generation, sales analytics, and PWA support.

React 18 Zustand Firebase Firestore MongoDB Netlify Functions jsPDF Lab management system with 30+ test profiles, bio-reference range parsing (HIGH/LOW/NORMAL), multi-device sync with circuit-breaker pattern, and automated report delivery.

Flutter Firebase AI APIs Speech Recognition OCR GPS An accessibility-first platform with voice navigation, speech-to-text/text-to-speech, an AI assistant, emergency SOS, medication reminders, caregiver mode, and a government disability-scheme finder. Authored the full PRD as Product Designer & System Architect.

Django REST Framework Rasa NLU TensorFlow Scikit-learn Redis SQLite Multi-modal stress detection using a 7-algorithm anomaly-detection ensemble (Z-score, IQR, Isolation Forest, LOF, DBSCAN, Elliptic Envelope, temporal analysis); Random Forest classifier with 98% accuracy; integrated Rasa NLU chatbot for real-time recommendations.

Python Django React.js Face Recognition OpenCV JWT AI-powered face recognition attendance system for educational institutions with Super Admin/HOD/Faculty/Student dashboards, timetable & course management, and analytics-driven reports.

Flutter FastAPI REST APIs Database Management Full-stack inventory and purchase management app with real-time stock updates, supplier management, and dashboard analytics.

React.js TypeScript Vite Gemini API Tailwind CSS — Live: sura-ai.netlify.app AI chat application with real-time messaging and contextual insights via the Google Gemini API.

React 18 TypeScript Leaflet TanStack Query Multi-role booking platform with OTP verification, OAuth, real-time ride management, and a fare calculation engine.

Django React Razorpay REST APIs Personal finance and expense management platform with income/expense tracking, dashboards, budget alerts, and Razorpay bill payments.

Master of Computer Applications (MCA) Calicut University — CCSIT Thalikulam | 2023 – 2025 🏆 First Class with Distinction Main Project: Stress Detection for IT Professionals · Mini Project: Enhanced Personal Finance Tracker

Bachelor of Computer Applications (BCA) Calicut University — SNGC Nattika | 2019 – 2023 🏆 First Class, B+ Grade · 140 Credits

• Meta: HTML & CSS in Depth (Nov 2025) · Programming with JavaScript (Oct 2025) · Version Control (Oct 2025) · Introduction to Front-End Development (Sep 2025)
• Introduction to Business Analytics — Tableau (Jul 2025)
• Getting Started with Microsoft Excel — Coursera (Aug 2025)

• Shipped 5+ live production applications used by real clients and users, including a UAE billing SaaS processing ~₹1.2 Cr/month across 4 B2B clients.
• Delivered a zero-data-loss legacy migration for a UAE client — reverse-engineered schema and migrated 241 invoices with full financial reconciliation.
• Built 23+ projects spanning 50,000+ lines of code across React, Django, ASP.NET Core, Flask, AI/ML, payments, Docker, and serverless architectures.
• MCA — First Class with Distinction, Calicut University, 2025.
• Self-driven learner: mastered full-stack development and AI integration while completing postgraduate studies, building client production systems from the final year onward.

• Building and deploying production-ready projects faster with smart development workflows
• Developing AI-powered software systems and LLM integrations
• Improving full-stack application architecture, scalability, and reliability
• Using AI-assisted development to accelerate delivery and reduce repetitive work
• Business development, client solutions, and technical support
• Expanding HexaStack Solutions as a technology startup

I'm currently open to work and interested in:

• AI Engineer roles
• Full-Stack Developer roles (React, Django, ASP.NET Core, FastAPI)
• Software Engineer positions
• Python / Django Developer roles
• React Developer roles
• Remote development opportunities
• Freelance software projects
• AI integration & LLM projects
• SaaS product development
• Technical collaborations

🌐 Portfolio: surag-portfolio.web.app 💻 GitHub: github.com/suragms 💼 LinkedIn: linkedin.com/in/suragsunil 📺 YouTube: youtube.com/@suragdevstudio

Building scalable software. Exploring Artificial Intelligence. Creating technology that solves real-world problems.

⭐ If you find my projects useful, consider starring my repositories and connecting with me.