CEO & Founder
Sambhab Sadananda Das is a highly accomplished Full Stack Developer, System Architect, and Application Engineer with over 8 years of professional experience building robust web and mobile solutions across healthcare, travel, real estate, workforce management, payments, and enterprise platforms. Known for his versatility, leadership, and innovation, he has delivered 50+ websites and applications and contributed significantly to high-impact digital transformation projects. With deep expertise in React, Next.js, Node.js, Laravel, PHP, Django, React Native, MongoDB, MySQL, and multiple cloud technologies, Sambhab is recognized for creating systems that are not only clean and scalable but also user-centric and performance-optimized. His work reflects a strong command over API engineering, UI/UX alignment, system design, and end-to-end product development.
Smart Vehicle Booking & Rental Platform
When Mishra Canteen approached Ultraconic, their vision was clear: enable people in smaller cities to rent vehicles seamlessly — without having to deal with confusing booking systems, delayed availability, or unreliable service. We built The Rent Express to bridge that gap. With clean, intuitive search filters (by location, date & vehicle type), real-time availability tracking, and simple payment methods, the platform lets users browse, book, and rent vehicles in under 5 minutes. It’s fully responsive, and works across mobile & desktop — plus offers dedicated Android & iOS apps for those who prefer an app experience.
Credit-Friendly Car Leasing Platform
Leasify is a U.S.-based digital auto-lease marketplace designed to simplify the car leasing process. It connects consumers with local dealerships, offering transparent, pre-negotiated deals without impacting credit scores. The platform supports both online search and personalized concierge assistance.
Find Best Pandits At Your Finger Tip.
Find the best pandits from the ease of your home according to your rituals. Choose the pandit with your own choice and get your rituals done with virtuous reward.
Curating Houston’s Finest Living Experiences
At Ultraconic, we believe technology should feel as effortless as luxury living. Houston Luxury Renting is our take on merging elegance with efficiency. We crafted this platform to not just showcase properties, but to deliver an experience — smooth navigation, rich visuals, and instant connections. It’s not just a rental site; it’s a curated journey into Houston’s finest spaces.
Discover Houston, One Home at a Time
GregTX Reality was built to redefine how Houston discovers and engages with real estate. Our goal was to create more than just a property listing site — we envisioned a modern platform that blends cutting-edge search, intuitive design, and seamless performance. From high-resolution property galleries to intelligent search filters and real-time updates, this project delivers a streamlined, user-first experience. The platform empowers both buyers and agents with tools designed for efficiency and elegance. In short, GregTX Reality is a fusion of technology and trust — turning property searches into effortless journeys.
Your Gateway to International Academic Collaboration
IIARP (International Institute of Academic Research & Publications) is a global platform dedicated to advancing academic research and publication. It offers a comprehensive range of services, including organizing international conferences, providing publication support in high-impact journals like Scopus and Web of Science, and facilitating collaboration among researchers worldwide. With a focus on open-access publishing and rapid peer review, IIARP ensures that scholarly work reaches a global audience efficiently.
Global Academic & Professional Conference Listings – Free Alerts & Organizer Promotion
Conference Alerts 360 is a modern platform designed to simplify global conference discovery. It offers intelligent search filters, real-time updates, and personalized recommendations to connect professionals with relevant events worldwide. Built with scalability and performance in mind, the platform delivers an intuitive experience for both attendees and organizers, empowering them to discover, manage, and engage with conferences effortlessly.
Customer Relationship Management (CRM) System
Evidhi is a robust, full-stack Customer Relationship Management (CRM) platform designed to help businesses manage customer data, track leads, automate workflows, and generate insightful reports. Built with modern technologies, it ensures performance, scalability, and security.
A Digital Canvas for Creative Stories
Nayak Studio isn’t just a website — it’s a living canvas. We wanted this project to be more than code; it’s a digital reflection of creativity itself. Every animation, every transition, every pixel was crafted to give life to their portfolio. The aim was to create a space that feels like walking into a modern art gallery — visually engaging, intuitive, and inspiring. From designing a vibrant, responsive interface to building a powerful yet simple content management system, this project was about blending aesthetics with functionality. The result? A sleek, dynamic online presence that truly speaks the language of art and design.