Selahaddin Akgün
Senior Software Engineer | Building Scalable Products | Selahaddin Akgün
Selahaddin Akgün
About Me
Who am I?
A Lead Software Engineer with over 12 years of experience in software development, specializing in Android, Java, and Java EE technologies. I have a proven track record of developing numerous Android applications. My expertise also extends to building robust web applications using Java EE, with significant experience in microservices architecture, NoSQL & SQL databases, and mobile application performance management. I am passionate about building new software tools and products in dynamic environments.
Java development, Android development are my main focuses.
Education History
I hold a degree in Computer Science Engineering from Marmara University in Istanbul, where I studied from 2008 to 2013.
Professional Experience
Lead Software Engineer
- BWATECH (November 2020 - Present)
- As part of a development consultancy firm, I lead a mobile team of four developers.
- My role involves coordinating tasks with UI/UX teams, product owners, and managers.
- We develop specialized tools and products for corporate clients in the region.
Lead Software Engineer
- STC Pay (June 2018 - October 2020)
- Joined as the sole Android Developer and was integral in building the company from its foundation.
- Played an active role in defining requirements, analyzing, and developing all features from scratch for a company that became the first unicorn in Saudi Arabia.
- Led the development of the STC Pay Android and Merchant apps, successfully taking them from concept to a unicorn valuation of $1.3B.
- Achieved high application stability rates of 99.8% by the time of my departure.
Senior Software Engineer
- FMSS (August 2015 - June 2018)
- As a Full Stack Developer, I single-handedly developed the 'TEASY' application (backend to frontend) for Turkcell, a unique online registration system in Turkey.
- Gained extensive experience with Microservices architecture by working on a transformation project for Turkcell Ecommerce.
- Enhanced my technical skills with Spring Boot, Spring Data, Couchbase DB, MongoDB, and Elasticsearch while supporting the Hepsipay fraud detection system.
- As a Senior Android Developer, I developed new features, performed code reviews, and assisted the mobile development team on major Turkcell applications like 'Hesabım', 'Şirketim', and 'Platinum'.
Software Engineer
- Inomera (June 2012 - June 2015)
- Developed the Netmera Android SDK, a mobile app engagement platform now used on millions of devices.
- Led the development of the Turkcell Superonline Android application from scratch.
- Developed the Turkcell Sirketim Android application from the ground up.
- Worked on the backend services for Turkcell Magaza, the first e-commerce site owned by a GSM operator in Turkey.
Java Development
Android Development
Skills
Programming & Languages
- Java / Java EE Java Development
- Kotlin
- JavaScript / TypeScript
- HTML
- SQL
Frameworks & Technologies
- Spring / Spring Boot
- Microservices
- Hibernate
- Angular / Angular 2
- REST API Design & Development
Mobile Development
- Android Development
- Android Studio
AI & Machine Learning
- TensorFlow
- CNN (Convolutional Neural Networks)
IoT & Embedded Systems
- Embedded Software Development
- ESP32
Databases
- NoSQL (MongoDB, Couchbase DB, Cassandra)
- Oracle
- MySQL
- Elasticsearch
DevOps & Tools
- Docker
- Kubernetes / OpenShift
- Git / SVN / CVS
- Maven / Gradle
Methodologies
- Agile Development
- Scrum / Kanban