Cosmas Onyekwelu
Full-Stack Developer & Creator
Building exceptional digital experiences with modern technologies. Specializing in web applications, trading platforms, and CRM systems.
About Me
Hello! I'm Cosmas, a passionate full-stack developer with expertise in creating robust, scalable web applications. With a strong foundation in both front-end and back-end technologies, I bring ideas to life through clean, efficient code.
My journey in software development began several years ago, and I've since worked on various projects ranging from trading dashboards to comprehensive CRM systems. I'm dedicated to creating solutions that not only meet but exceed user expectations.
When I'm not coding, you can find me exploring new technologies, contributing to open-source projects, or trading cryptocurrencies.
Skills & Technologies
Frontend
Backend
Database
Tools & Others
Featured Projects
Zura CRM
Full-stack CRM for SMEs with secure auth (JWT), role-based access, leads & customers, pipeline stages (New / Subscribed / Former), notes/activities, and lightweight analytics. MERN architecture with a clean React UI and a Postman-tested REST API.
BTC Transaction Screenshot Generator
React app that pulls live on-chain data for a BTC address, computes historical USD values,
and renders downloadable, device-framed screenshots using html-to-image.
Perfect for documentation, UI mockups, and education.
TwitterPlus
Full MERN Twitter/X clone: auth, tweets, likes, retweets, follow/unfollow, profiles, search & hashtags, notifications, DMs, dark mode, and a mobile-first UI. Real-time updates via WebSockets and media upload support.
Get In Touch
I'm currently available for freelance work and open to new opportunities. If you have a project in mind or just want to say hello, feel free to reach out!
onyecosmas@gmail.com
Location
Lagos, Nigeria