Product Engineering
Mobile systems, marketplaces, booking flows, authentication, payments, realtime experiences, and production delivery.
Technical Founder · Product Engineer
Building software products around execution, trust, and better decisions.
Muhammed is the founder of DevMarathon and Capilens, with a professional engineering background spanning mobile products, fintech, marketplaces, and production software.
Selected proof
5+years shipping
production software
production software
3products built
and launched
and launched
3,500+AyoTravel
installs
installs
3mobile stores
shipped to
shipped to
01 / Flagship work
Current · Founder & Product Engineer
Evaluate developers through real execution.
DevMarathon is an AI-assisted developer challenge platform. Developers complete structured 72-hour build marathons; organizations can run hiring challenges based on delivered work rather than relying only on résumés and interviews.
Structured build challenges
Execution evidence
Developer evaluation
Visit DevMarathon
02 / Current product
Founder & Product Engineer · Since March 2026
Clarity before a high-trust decision.
Capilens is patient-first, AI-assisted decision support for people researching hair transplant options in Türkiye. It helps users organize information and prepare better questions before choosing a clinic.
Decision support, not diagnosis or medical advice. Capilens is not a clinic.
03 / Previous venture
AyoTech Software Technologies Inc. · 2022–2025
A travel marketplace taken from idea to production.
As founder and lead mobile engineer, Muhammed built AyoTravel as a cross-platform Flutter marketplace with booking, authentication, realtime chat, offline sync, payments, and multilingual product flows.
- 3,500+
- installs
- 230+
- registered users
- 60k+
- lines of Flutter
- 3 stores
- App Store · Google Play · AppGallery
- MVVM architecture
- Atomic Design
- Firebase realtime chat
- Offline sync
- PayTR 3D Secure
- Cross-platform releases
04 / Experience
Engineering and founder experience.
-
DevMarathon & Capilens
Founder & Product Engineer
Building two AI-assisted SaaS products around developer execution and patient-first decision support.
-
SendPal Global Inc.
Technical Product Advisor · Part-time
Advising a crowd-shipping marketplace on product direction, escrow, identity, trust, safety, and architecture.
-
AyoTech Software Technologies Inc.
Founder & Lead Mobile Engineer
Founded the company and shipped AyoTravel across three mobile stores.
-
SNT Software & Financial Technologies Inc.
Flutter Developer
Built realtime market-data, portfolio, and trading flows for a fintech application that later evolved into Infox.
-
Eywin Information Technologies
Flutter Developer
Developed privacy-focused Android and iOS software and user-facing personal-data-management features.
05 / Engineering
Product depth, grounded in mobile engineering.
Mobile Engineering
Flutter, Dart, MVVM, Atomic Design, Clean Architecture, modularization, performance, testing, and store releases.
Backend & Data
Firebase, Supabase, PostgreSQL, SQL, REST APIs, authentication, and FastAPI fundamentals.
AI-assisted Development
Cursor, Codex, Claude API, and AI-assisted product workflows for moving from product decisions to shipped software.
06 / Founder
From mobile engineering to building products.
Muhammed is a computer engineer and technical founder whose background began in mobile engineering and expanded into marketplaces, fintech systems, product architecture, and AI-assisted software products.
His strongest professional foundation is Flutter and mobile engineering; his current work extends that experience into AI-assisted SaaS product development.
Education
Kastamonu University
Computer Engineering
07 / Profiles