Y o s e f _ a s h e n a f i
I am Yosef

Full Stack Developer -

From stunning websites to seamless apps, I'm here to transform your ideas into pixel-perfect reality. Let's create something extraordinary together!

"I can do all things through Christ who strengthens me."
Philippians 4:13
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Years of
Experience
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Project
Completed
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Happy
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Tools &
Languages

My Quality Services

Explore the services I offer below to bring your digital vision to life:

01

Backend Developer

Designing robust server-side architectures, managing databases, and building scalable APIs using Python, Django, Node.js, and cloud technologies.

02

Frontend Developer

Creating responsive, interactive, and visually stunning user interfaces with React, Next.js, and modern CSS to deliver exceptional user experiences.

03

Mobile App Developer

Developing high-performance native and cross-platform mobile applications for iOS and Android using React Native and Flutter.

04

UI/UX Developer

Combining design aesthetics with technical expertise to create intuitive, user-centered interfaces through wireframing, prototyping, and seamless implementation.

My Recent Works

Here's a showcase of my recent projects and portfolio work - each one representing unique solutions and successful collaborations with amazing clients.

Expense Smart

ExpenseSmart is a submodule of the NextGN app designed to manage employee expense invoices within companies registered on the platform under APSmart. It helps organizations track, submit, and review employee expenses in a structured and efficient way, improving transparency and simplifying expense management workflows.

Song Note

SongNote is a note-taking app designed for singers and songwriters, allowing them to capture lyrics and audio recordings together in one organized place. It helps creatives quickly record ideas, structure songs, and keep both written notes and voice recordings neatly linked for an efficient songwriting workflow.

EasyGoats

EasyGoats.com is an informational website about domestic goats, covering breeds, care, and interesting facts. It presents engaging content and helpful details for animal lovers, farmers, and anyone curious about goats.

Bizzle

Bizzle is a mobile game designed for kids, featuring engaging children’s songs and fun puzzle activities built around colorful cartoon illustrations. The game focuses on learning through play, offering an interactive and visually appealing experience that keeps young users entertained while supporting creativity and early cognitive development.

BawsHuman – Web Platform

BawsHuman is a health and fitness platform connecting athletes and trainers. I contributed to the design and development of core features using React, Django, and Python.

Bawshuman Mobile App

Bawshuman is a fitness and wellness platform connecting trainers and clients. As a mobile app developer, I contributed to building trainer–client relationship features using modern mobile technologies.

Awesome.Bible

A clean, intuitive Bible reading experience. I built the core reading features including chapter/book navigation, clean UI flows, and optimized reading contexts using React Native and Node.js.

ZippyApp

Full-stack web development across frontend, backend, and database layers using Django, Python, React, MySQL, and TypeScript. Built and maintained key features while keeping the system running smoothly.

AwesomeBible Web

A modern online Bible reading platform built with Django and React. I developed both the backend APIs and React interface for smooth chapter/verse navigation and an improved reading experience.

Misseso

A property marketplace platform for renting and selling real estate. I built backend APIs, managed database structure, developed the web interface, and led the team coordinating with mobile developers.

Marathon

A platform for Marathon Liquors' sales teams and distributors. Built with C# and SQL Server, I developed the backend, APIs, database structure, and web components while coordinating with mobile developers.

AxionGebeya

A stock exchange platform in development for Ethiopia. I worked on the backend, API, and web platform — implementing business logic, data models, and building the web interface for trading operations.

Dambi Dollo University ERP

An ERP system for university management, student registration, courses, grading, and admin workflows. I built backend, APIs, and web platform components, integrating modules into a cohesive product.

Viptaxi

A ride-hailing platform for VIP clients with luxurious cars. I built the backend, APIs, and web interfaces for ride management, coordinating with the mobile team for seamless integration.

Contrarian

A book-sharing platform for MBA students built with Next.js. I implemented frontend features for listing and browsing books, and integrated backend services for data fetching and user management.

Knowledge Management Platform

An African Union knowledge-management platform for the Peace and Security Department. I built backend, APIs, and web interface for managing documents, workflows, and user access.

Hacktoolkit Website

A community-driven platform providing libraries and tools for hackathons and rapid prototyping. I contributed to the website and developer-friendly libraries that simplify common tasks.

My Experience

2021 - 2025

Senior Software Developer

Hacktoolkit
  • As a key contributor at HackToolkit, I developed the GoodPeople.AI web app (React/Django), contributed to the AweAndReverence Maskil app, led the development of the AwesomeBible mobile app, and contributed to the BawsHuman fitness app.
  • These experiences significantly enhanced my expertise in React Native, mobile app development, cross-platform solutions, web development, and backend systems.
2019 - 2021

Senior Software Engineer

Talentral/ZippyApp
    • Developed and optimized full-stack features for ZippyApp (React/Django), including a video resume feature that increased user engagement and conversion by 25%.
    • Refactored frontend codebase using modern React hooks, reducing bundle size by 40% and improving loading speed by 35%, while actively participating in agile development and code reviews.
2017 - Present

Team Lead Manager

SICS IT Outsourcing
  • Orchestrate team activities to ensure optimal performance and successful project outcomes.
  • Successfully delivered more than 5 enterprise-level products including Knowledge Management platform for the African Union, receiving endorsement from executives and positive feedback from users using C#, .net MVC, MS SQL and Leaflet.
  • Worked on CloudX DPO projects via SICS IT Outsourcing, managing transactional document processes, automating data input, configuring company profiles, and customizing reports for clients like Versace, ADTran, and Nestle.
2013 - 2017

Software Developer

Cybersoft-intl PLC.
  • Started as a junior software developer at Cybersoft-intl.
  • Advanced to the role of Solution Line Manager at Cybersoft-intl.
  • Involved in all stages of project development, from inception to deployment.
Open Resume

My Education

2014 - 2017

Master's Degree in Computer Science

Addis Ababa University
2010 - 2013

Bachelor's Degree in Computer Science

Addis Ababa University
Sep 2019 - Dec 2021

Master of Arts in Intercultural Studies

Ethiopian Full Gospel Theological Seminary

Licenses & Certificates

2025

2nd Place - #Hack2025

Indigitous - Engaging Mobile Game
Jul 2024

AI Career Essentials

ALX Africa
Issued Dec 2021

React + Redux Course

Sololearn

My Publications

My Skills

Here are some of the key technologies, tools, and frameworks I've mastered to bring creative ideas to life through innovative digital solutions.

C#

Tailwind

Firebase

React

JavaScript

Python

Python

Django

Django

React Native

React Native

C#

C#

MySQL

MySQL

TypeScript

TypeScript

Next.js

Next.js

MongoDB

MongoDB

Node.js

Node.js

Docker

Docker

AWS

AWS

Git

Git

Sass

HTML5

Redux

Redux

GraphQL

GraphQL

Latest Blog Posts

Insights and thoughts on software development, technology trends, and best practices

AI Ethics
Jan 10, 2025
Artificial Intelligence

The Ethics of AI: Navigating the Future of Technology

Exploring the ethical implications of AI development and the responsibility of software engineers in shaping its future...

Read More
Clean Code
March 10, 2024
Best Practices

Clean Code: The Art of Writing Maintainable Software

Discover the principles and practices that lead to cleaner, more maintainable code in modern software development...

Read More
Cloud Native
March 5, 2024
Cloud Computing

Cloud-Native Architecture: Building Scalable Systems

A deep dive into cloud-native architecture patterns and how they enable building scalable, resilient applications...

Read More

What People Say

Hear what my colleagues and clients have to say about working with me

Get In Touch

Let's Connect and Create Something Amazing Together