I help businesses and startups grow through scalable web applications, Android apps, and AI-powered solutions.
Ajay Kumar Teli
From idea to launch — I design, build and ship products that help your business grow. Here's how I can help.
Fast, SEO-ready websites that turn visitors into customers and represent your brand professionally.
Personal brand and portfolio sites for creators, founders and professionals who want to stand out.
Scalable dashboards, SaaS tools and internal systems built with React, Next.js and Node.js.
Native Android apps with Kotlin & Jetpack Compose — published and maintained on the Play Store.
Chatbots, RAG assistants and LLM-powered features using Gemini, Hugging Face and AI agents.
Connect payments, maps, auth and third-party services into your web or mobile product.
Automate repetitive workflows and data tasks so your team can focus on what matters.
Clean, modern, mobile-first interfaces designed in Figma and built pixel-perfect.
I'm Ajay Kumar Teli — a Full-Stack Developer and Android Engineer based in Bengaluru, India, passionate about building scalable products and AI-powered applications that solve real-world problems.
I work across the stack — from React & Next.js web apps to Kotlin Android apps published on the Play Store, to AI features powered by LLMs and RAG. As a freelance developer and open-source contributor, I've shipped real products, won 4 hackathons, and collaborated with teams on production software.
Whether you're a business owner who needs a professional website, a startup building an MVP, or a team that needs an extra pair of expert hands — I can help turn your idea into a polished, working product.
Role : Full-Stack & Android Developer
Focus : Web · Android · AI
Status : Open to freelance & full-time
Email : contact@devzonex.dev
Location : Bengaluru, Karnataka, India
Languages : Kotlin · Java · JavaScript · TypeScript
A practical, production-focused stack spanning web, mobile and AI.
Real products I've shipped — plus concept builds that show what I can create for your business.
Web Development
Concept Project
A premium concept site for an interior-design studio — elegant galleries, service pages and lead-capture, built to show what your brand could look like online.
Web Development
Concept Project
A concept restaurant site with menu, online reservations and a mobile-first layout designed to bring in more bookings.
Web Development
Concept Project
A concept property-listing platform with search, filters and detailed listing pages — a template for any real-estate business going online.
AI Project
🏆 IEEE Winner
An AI-powered classroom digital twin that mirrors a live classroom — using RAG for context-aware answers and gaze tracking to gauge student attention.
Android App
📱 On Play Store
A published donation platform connecting donors with nearby causes, featuring real-time maps and secure Firebase-backed data.
Android App
📱 On Play Store
An HR & attendance management app built during my internship, simplifying employee tracking and daily HR tasks for teams.
Android App
📱 On Play Store
Contributed to a production text-utility app — optimizing API integrations, fixing crashes and improving overall performance.
Feedback from clients and teams I've built real products for.
Ajay built the DEEP-Eye donation app exactly the way I imagined it — clean, reliable and easy to use. He understood the idea quickly and delivered a polished app on the Play Store.
Ajay designed and developed my personal portfolio website with great attention to detail. It looks professional and represents me perfectly. A dependable and talented developer.
During his internship, Ajay contributed strongly to the Kinect app. He's a quick learner, writes solid Android code and ships features that work. A great addition to any team.
April 2024 - Present
• Built and shipped production Android apps, improving app performance by ~20%.
• Developed and deployed the Kinect HR app, boosting user engagement with intuitive UX.
• Optimized API integrations and fixed crashes on Textify, improving stability and efficiency.
2023 - Present
• Design and ship websites, web apps and Android apps for clients end to end.
• Build AI-powered features and API integrations tailored to business needs.
• Handle everything from UI/UX in Figma to deployment and handover.
2023 - Present
• Contributed to open-source projects through GSSoC and SWOC programs.
• Collaborated with maintainers via pull requests, code reviews and issue fixes.
2023 - 2024
• Represented GeeksforGeeks on campus, promoting tech learning and events.
• Engaged peers through workshops and developer-community activities.
Recognition and milestones from building, shipping and competing.
Hackathon Winner
ClassTwin — AI Digital Twin
GSSoC & Social Winter of Code
Developer for real clients
Diploma CGPA
Ambassador @ GeeksforGeeks
Developer first, creator second — I share what I build and learn with a growing tech community.
From AI tools and Android development to coding tutorials, tech news and curated developer resources — I break down what actually matters for building modern software.
Education is not the learning of facts, but the training of the mind to think.
Hkbk college of engineering and Technology
Parul Institute of engineering and Technology-Diploma Studies
Harpur Secondary School | Nepal Examination Board(NEB)
Have a website, app or AI idea? I'd love to help you build it. Let's turn your idea into a product people use.
Tell me about your project — websites, apps or AI. I usually reply within a day.