Yohannes Haile
I build apps for the iPhone.
Yohannes Haile is an iOS developer in Addis Ababa, Ethiopia, building iPhone apps with Swift, SwiftUI, and UIKit. Explore his projects and technical writing.
About
With over 4 years of experience building and shipping consumer-facing applications for iPhone users, both locally and internationally, I am a well-known iOS developer in the vibrant tech scene of Addis. Moreover, my solid skillset in developing and distributing iOS frameworks over Swift Package Manager and CocoaPods makes me stand out from the crowd for projects that require deep technical understanding and knowledge of native iOS APIs and the general toolkit.
Education
BSc. in Information Systems
Addis Ababa University
Sep, 2019 - Jul, 2023
Skills
- Agentic Engineering
- Frameworks Development
- iOS Development
- Creative Writing
- RESTful API
Experience
Founder
May, 2026 - Present
Novarch LLC
Synheart AI
OneDegree Labs/Runify
Whyzzer/Triller
Various Clients (Through Word of Mouth)
Kemer Habesha
Nerd For Tech
Ethiopian Broadcasting Corporation
Novarch LLC
May, 2026 - Present
Synheart AI
Nov, 2025 - Dec, 2025
- Contributed to open-source iOS SDKs focused on heart-based biometrics, HRV analysis, and adaptive wellness experiences.
- Designed developer-friendly APIs and integrations for Apple Health and wearable ecosystems with a strong emphasis on privacy and reliability.
- Helped advance biometric-driven adaptive interaction systems capable of responding to real-time physiological feedback.
OneDegree Labs/Runify
Oct, 2025 - Present
- Built and optimized high-accuracy GPS run tracking systems for a competitive, gamified fitness platform using SwiftUI and Apple Health integrations.
- Developed privacy-conscious route-sharing features, including automated removal of sensitive start and end map segments.
- Contributed to the end-to-end iOS product experience across rankings, streaks, leaderboards, wearable integrations, and performance-focused UX improvements.
Whyzzer/Triller
Jan, 2025 - May, 2025
- Integrated Flutter-based community systems into Triller’s native iOS application using XCFrameworks and CocoaPods.
- Managed interoperability between native iOS components and 30+ Flutter plugins within a modular production architecture.
- Collaborated with Flutter engineers, QA teams, and product stakeholders to deliver stable and performant consumer-facing features.
Various Clients (Through Word of Mouth)
May, 2023 - Jan, 2025
- Delivered custom iOS solutions across healthcare, transportation, analytics, and lifestyle-focused applications for international clients.
- Built reusable Swift packages and XCFramework-based solutions alongside production-ready proof-of-concept mobile applications.
- Implemented analytics dashboards and data visualization systems using UIKit and DGCharts within client-facing platforms.
Kemer Habesha
Oct, 2021 - Present
- Led cross-functional software projects from planning to deployment, coordinating engineering, design, and client communication workflows.
- Managed end-to-end product delivery across mobile and backend teams while maintaining engineering quality and project timelines.
- Transitioned from engineering leadership into project management, combining technical decision-making with operational ownership.
Nerd For Tech
Jun, 2020 - Jan, 2025
- Published technical and opinion-based articles focused on software development, technology culture, and mental health in tech.
- Simplified complex engineering concepts into accessible and engaging long-form content for broad technical audiences.
- Developed a recognizable technical writing style blending storytelling, humor, and practical engineering insight.
Ethiopian Broadcasting Corporation
Nov, 2010 - Jun, 2013
- Hosted television, radio, and live stage programs for one of Ethiopia’s largest broadcasting organizations.
- Developed strong public speaking, narration, and audience communication skills through national media programming.
- Participated in collaborative productions and hosted events involving multiple organizations and public institutions.
Portfolio
Personal Projects
Change logs tailored to release notes
Blog
Shoutouts
Bernie Kassar
Chief Executive Officer
OneDegree Labs
Amina A Hussein
Lecturer
Addis Ababa University
Abel Dagnew
Senior Android Engineer
Kemer Habesha