Open to opportunities

Yohannes Yohannes

@yohannesw

Message

I build responsive full-stack web and cross-platform applications.

Ethiopia

Message

What I'm looking for

I'm looking to build responsive web or cross-platform applications where I can contribute across React, Node.js, APIs, databases, UI/UX implementation, and software quality while continuing to grow as a full-stack developer.

I've built responsive web interfaces and RESTful APIs at Keylink Technologies PLC using React.js, Node.js, Express.js, and JWT authentication. I translate Figma prototypes into reusable components and support quality through unit testing, debugging, code reviews, and documentation.

Through MedConnect and JOnline, I've developed cross-platform telemedicine and cashless transportation solutions featuring Angular, Flutter, React.js, WebRTC, SignalR, SQL databases, and Ethiopian payment integrations including Telebirr and Chapa.

Experience

Work history, roles, and key accomplishments

Current

Full stack Developer

Current

Heather AI

Sep 2026 - Present (2 months)

I am full stack software developer , I Work fully remotely with an international team, developing and maintaining modular services and web pages for B2B
fintech and healthtech platforms, including the flagship Heather AI mobile app.
• Build user-facing pages with React and Next.js and debug front-end and back-end APIs together using Axios interceptors, JWT-decode, and js-cookie.

Project Management Full Stack Developer TypeScript Vue.Js NodeJS MongoDB PostgreSQL Express

Software Engineering Intern

Keylink Technologies PLC

Feb 2025 - May 2025 (3 months)

Developed responsive mobile-first web interfaces using React.js and styled-components. Built and integrated RESTful APIs with Node.js and Express.js, including JWT-based authentication.