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01 — About

A developer shaped by real-world problems

I’m a full-stack developer with a passion for building scalable, user-friendly applications. Over the years, I’ve transitioned from debugging CSS to architecting complex systems, always striving to learn and grow.

I am a developer who believes that technology should solve real problems, not just create new ones. I thrive on building systems that are not only scalable and efficient but also intuitive and user-friendly.

Outside of coding, I am a lifelong learner who enjoys diving into new technologies, exploring open-source projects, and sharing knowledge through writing and mentoring. When I am not at my desk, you will find me brewing coffee, listening to synthwave, or tinkering with side projects.

Based in
Nanjing, Jiangsu, China
Focus
Full-stack web & mobile development
Currently
MBA & data-mining research
Email
temesgen.letay@gmail.com

02 — Journey

Career timeline

  1. 2017

    Commercial Bank of Ethiopia

    Gained experience in banking operations, financial services, and customer support.

    • Banking Systems
    • Customer Service
  2. 2021

    Transitioned to Full-Stack Development

    Built and deployed web applications, focusing on front-end development with React and Next.js.

    • React
    • Next.js
    • Node.js
  3. 2024

    MBA & Research in Data Mining

    Conducting research on data mining for brewery sales prediction while studying for an MBA in China.

    • Machine Learning
    • Data Analysis
  4. 2025

    Geez-Tigrinya Dictionary App

    Developed a mobile dictionary app to help users learn and translate Geez and Tigrinya.

    • React Native
    • TypeScript
    • Firebase
  5. 2025

    Temesgen.tech

    launched a software development company focused on web and mobile solutions.

    • Next.js
    • React Native
    • SaaS

03 — Philosophy

How I approach engineering

Scalability First

Design systems that handle 10x traffic spikes without breaking a sweat.

Resilience by Design

Build fault-tolerant systems that self-heal and recover gracefully.

Developer Experience

Prioritize clean APIs and documentation to empower other developers.

Continuous Improvement

Iterate and optimize systems based on real-world usage and feedback.

04 — Beyond code

Passions & hobbies

Open Source

I love contributing to open-source projects and helping improve the tools developers use every day.

Tech Blogging

I write about my experiences, challenges, and solutions in tech to share knowledge with the community.

Photography

Capturing moments and exploring the world through my camera lens.

Gaming

Enjoying competitive games and exploring indie game development.

Coffee Brewing

Experimenting with different brewing methods to make the perfect cup of coffee.