We Engineer
Digital Excellence
A boutique software development agency crafting high-performance web & mobile applications for ambitious startups and enterprises. We turn complex ideas into elegant, scalable products.
What We Do
Services Built for Scale
From first commit to production deploy — we handle every layer of the stack.
Web Development
Full-stack web applications built with Next.js, React, and Node.js — designed to be fast, accessible, and conversion-optimised.
Mobile Development
Cross-platform mobile apps using Flutter that feel native on iOS and Android, with seamless performance and beautiful UIs.
Backend & APIs
Scalable REST & GraphQL APIs, microservices architectures, and cloud-native backends that handle growth effortlessly.
E-Commerce Solutions
End-to-end e-commerce platforms with payment gateway integrations (Stripe, ACH), subscription billing, and inventory management.
IoT & Embedded Systems
Smart hardware-software solutions bridging physical devices with cloud dashboards — from prototyping to production.
Tech Consulting
Architecture reviews, tech-stack selection, MVP planning, and code audits to help your team ship confidently.
Our Work
Products We've Shipped
Real products. Real clients. Real impact across logistics, fintech, health-tech, and IoT.
Enterprise SaaS
ETC CRM
Custom lead management platform with end-to-end flow automation. Enables sales teams to track, nurture, and close leads with intelligent pipeline automation.
Marketplace
Compareling
Service marketplace that intelligently connects professionals with customers. Features smart matching, verified profiles, and secure in-app payments.
Fintech / Startup Platform
Pitch 40
Startup funding platform with pitch deck management. Connects early-stage founders with investors, streamlining the pitch and due diligence process.
ETC CRM
Custom lead management platform with end-to-end flow automation. Enables sales teams to track, nurture, and close leads with intelligent pipeline automation.
Compareling
Service marketplace that intelligently connects professionals with customers. Features smart matching, verified profiles, and secure in-app payments.
Pitch 40
Startup funding platform with pitch deck management. Connects early-stage founders with investors, streamlining the pitch and due diligence process.
Indi Sync
Music e-commerce platform with subscription payments via Stripe. Artists distribute their music while fans access premium content through tiered subscriptions.
Shipload Board
Freight transport mobile app connecting vetted Carriers with Quality Shippers directly — no brokers, no friction. Operating across the US.
Chloe Yoga
Mobile fitness app with age-specific yoga practices, ACH-level transaction processing, and subscription-based access model.
Full-Stack E-Commerce
Production-grade e-commerce platform with complete Stripe payment integration, product catalog, shopping cart, and order management.
Intellibin
Patent-filed IoT smart waste management system with proximity sensing, auto-lid, and capacity detection. Presented at National Science Congress, Science City Kolkata.
How We Work
From Idea to Production
A proven 4-step process that turns complex requirements into polished, scalable software.
Discovery & Strategy
Deep-dive into your business goals, user needs, and technical requirements. We define scope, stack, and milestones together.
Design & Architecture
Wireframes, system architecture diagrams, and interactive prototypes — everything agreed upon before a single line of code is written.
Build & Iterate
Agile sprints with weekly demos. You see real progress every week, not just at the end.
Launch & Scale
Production deployment with CI/CD pipelines, monitoring, and post-launch support. We stay with you as you grow.
About the Founder
Shambashib Majumdar
Founder & Lead Engineer
Passionate Software Engineer with a track record of shipping production apps across fintech, health-tech, logistics, and IoT domains. Patent holder. Open-source contributor.
Based in Kolkata, India, Shambashib runs Inevelop Ventures — a boutique agency focused on building polished, production-ready software for clients across India and the US.
Tech Stack
Client Stories
Trusted by Builders
“Shambashib delivered a polished Flutter app that went live in 8 weeks. The attention to UX and the clean architecture blew our team away.”
“The CRM they built for us replaced two expensive tools. The automation flows saved our sales team 10 hours a week from day one.”
“They understood the nuances of building a marketplace for artists. Stripe integration was flawless, and the codebase is remarkably clean.”
Get in Touch
Ready to Build Something
Great?
Whether you have a detailed spec or just a rough idea, let's talk. We respond to all enquiries within 24 hours.