We build backends your business can scale on.
DevSaha Tech delivers high-performance web apps, secure APIs, and robust databases — so your product can handle real users, real load, and real growth.
50+
Projects Shipped
3+
Years Building
100%
Client Retention
50+
Projects Delivered
3+
Years Active
100%
Client Satisfaction
Built With
We understand what keeps you up at night.
Every business that comes to us has faced at least one of these. Here's how we turn each problem into a solved outcome.
Your website or app is painfully slow
We architect high-performance backends with optimized databases, caching layers, and sub-50ms API responses.
You've burned money on devs who disappeared mid-project
We work with full transparency — dedicated team, weekly updates, milestone-based delivery, and contracts that protect you.
Your legacy codebase is holding your business back
We modernize existing systems systematically — removing technical debt, refactoring architecture, and implementing CI/CD.
You need a scalable backend but don't know where to start
We translate your business requirements into a battle-tested tech stack — from MVP to enterprise-ready infrastructure.
What we build
End-to-end engineering from architecture to deployment — everything your product needs to scale.
High-Performance RESTful & GraphQL APIs
Secure, scalable, low-latency API architectures built with Django REST Framework, Node.js, and Python.
Start with this serviceDatabase Optimization
Advanced query tuning, geospatial indexing (PostGIS/GeoJSON), and Redis caching for high-throughput data flows.
Full-Stack Web Apps
Modern, reactive interfaces with Next.js & React, backed by robust enterprise-grade server infrastructure.
System Refactoring & Audits
Modernizing legacy systems, removing technical debt, and implementing type-safe CI/CD pipelines.
Mobile App Development
Cross-platform mobile applications built with React Native — performant, polished, and production-ready.
Cloud & DevOps
AWS deployments, Docker/Kubernetes orchestration, and automated pipelines for reliable, scalable infrastructure.
How we work
A battle-tested process that removes uncertainty and delivers predictable results.
Discover
We listen deeply. Your goals, constraints, and target users shape every technical decision we make.
Design
Architecture blueprints, UI wireframes, and database schemas — built before a single line of code.
Develop
Agile sprints, clean code, and weekly demos. You see real progress every step of the way.
Deploy
Zero-downtime launches with CI/CD pipelines, automated testing, and performance monitoring.
Support
We don't vanish post-launch. Ongoing maintenance, bug fixes, and feature scaling as you grow.
Discover
We listen deeply. Your goals, constraints, and target users shape every technical decision we make.
Design
Architecture blueprints, UI wireframes, and database schemas — built before a single line of code.
Develop
Agile sprints, clean code, and weekly demos. You see real progress every step of the way.
Deploy
Zero-downtime launches with CI/CD pipelines, automated testing, and performance monitoring.
Support
We don't vanish post-launch. Ongoing maintenance, bug fixes, and feature scaling as you grow.
Our Products & Work
Explore the products we have built, from scalable full-stack applications and AI-driven platforms to decentralized Web3 apps.
BlocMentor
Decentralized AI-Powered Tutor Booking Platform
A Web3-based tutoring platform combining blockchain, smart contracts, and AI to create a secure, transparent, and personalized online learning experience.
View ProjectCB AI
AI-Based Road Debris and Garbage Detection System
An AI-powered deep learning solution that detects debris, garbage, and construction materials on Indian roads using YOLO model and a modern React frontend.
View ProjectCyber Bandhu
Doorstep Digital Help for Students
A platform that enables students in rural and semi-urban areas to request secure and affordable in-person help with online forms and digital tasks.
View ProjectEduManage
Comprehensive Course Management System
A full-stack MERN application for managing courses, assignments, attendance, and grades with role-based access control.
View ProjectGronur
Grocery Mobile UI Kit
A production-ready mobile grocery & food delivery UI kit rebuilt from a premium Figma design system.
View ProjectInbox3
Decentralized Messaging on Aptos
A decentralized messaging application built on the Aptos blockchain with IPFS storage for message content and end-to-end encryption.
View ProjectMED+
Modern Hospital Management System
A full-stack hospital management platform that digitizes patient care, streamlines medical workflows, and enhances healthcare delivery.
View ProjectPaintX
A Lightweight Web-Based Drawing App
A responsive drawing application built with React, Vite, and Tailwind CSS. It enables users to draw, undo/redo, erase, and export artwork.
View ProjectPixelX
Web-Based Image to Pixel Art Converter
A fast, responsive image pixelation tool that allows users to upload images, apply pixelation effects with adjustable intensity, and download.
View ProjectSharanya's Portfolio
Personal Portfolio
The personal portfolio website of Sharanya Chowdhury, showcasing his skills, projects, and professional journey as a Software Development Engineer.
View ProjectTuman's Portfolio
Personal Portfolio
The personal portfolio website of Tuman Sutradhar, highlighting his UI/UX design capabilities and front-end development projects.
View ProjectRanadeb's Portfolio
Personal Portfolio
The personal portfolio website of Ranadeb Saha, Founder & Lead Full Stack Engineer.
View ProjectWhy businesses choose DevSaha Tech
There are hundreds of dev agencies. Here's what makes us the ones our clients return to — and refer.
On-Time Delivery
We set realistic milestones and hit them. No missed sprints, no last-minute surprises — just consistent execution.
Radical Transparency
Weekly progress updates, open Slack channels, and honest communication. You're never left guessing.
Post-Launch Support
We stick around after go-live. Bug fixes, performance monitoring, and feature scaling are all part of the deal.
Deep Technical Expertise
From complex database optimization to microservices architecture — our solutions are engineered to last.
Dedicated Team Model
You work with the same engineers throughout your project — no handoffs, no outsourcing, no knowledge gaps.
Fast Turnaround
MVPs in weeks, not months. We move fast without cutting corners on code quality or security.
The team behind your product
We're a small, senior team — which means you talk directly to the people building your product. No account managers, no relay chains.
2022
Founded
3+
Core Team
50+
Projects Delivered
India
Based In
What our clients say
Don't take our word for it — here's what the people who've worked with us have to say.
“DevSaha Tech completely transformed how our marketplace handles real-time geo-queries. What used to take seconds now responds in under 50ms. Ranadeb and his team are the real deal — they delivered exactly what they promised, on schedule.”
Arjun Mehta
Co-founder, HaatBazar
“We needed a real-time community alert system built fast, and DevSaha delivered a bulletproof WebSocket architecture in just weeks. Communication was outstanding throughout — we always knew exactly where things stood.”
Priya Sharma
Product Lead, Cyber Bandhu
Project Scope Estimator
Select your requirements to get an instant baseline estimate for timeline and investment.
Let's build something great together.
Tell us about your project. We'll get back to you within 24 hours with an honest assessment and a clear path forward.
Location
Katwa, West Bengal, India
Response Time
We reply within 24 hours