Haydar Demir
Senior Flutter Developer · Mobile Team Lead
haydarrdemir@hotmail.com · Ankara · 17 September 1997
Summary
I have successfully completed my bachelor's degree in Computer Engineering and possess a strong foundation in mobile application development. I enjoy tackling complex problems with creative solutions and excel at quickly learning and practically applying new technologies. I have experience managing projects effectively by maintaining strong communication with both technical and non-technical teams. Hardworking, energetic, and dedicated, I aim to create value and contribute to the team in every project I undertake.
Experience
Feb 2024 — Present
Mobile Team Lead — One Dose Health, Ankara
As a Mobile Team Lead, I lead the development of the One Dose Health app and projects tailored for the insurance industry.
- Lead the development of the One Dose Health app and projects tailored for the insurance industry.
- Manage the development, maintenance, debugging and deployment processes of applications.
- Provide innovative solutions to enhance quality.
- Focus, together with my team, on delivering high-standard software products with a strong emphasis on user experience.
May 2022 — Feb 2024
Flutter Team Lead — Güven Future, Ankara
I began my career at Güven Future as a Flutter Developer and was quickly promoted to the position of Team Lead.
- Led the development of modular, clean and secure projects.
- Actively contributed to the creation and implementation of the company’s coding standards.
- Played a key role in various integrations, including Fastlane, Sentry, Adjust, Firebase, RevenueCat and Google Fit.
Sep 2021 — May 2022
Flutter Developer — Güven Future, Ankara
I started my career at Güven Future as a Flutter Developer, working in a team for the first time.
- Successfully completed development tasks and bug fixes.
- Enhanced both my technical skills and my experience in teamwork.
Sep 2020 — Sep 2021
Flutter Developer — duSoft Yazılım A.Ş., Ankara
At duSoft Software Inc., I single-handedly managed the maintenance of large-scale applications and actively contributed to the development of two major applications.
- Single-handedly managed the maintenance of large-scale applications.
- Actively contributed to the development of Hesaplı Yaşa, an AI-powered smart budget management application.
- Took on responsibilities in various projects, enhancing my technical expertise and problem-solving skills.
Aug 2019 — Aug 2020
Flutter Developer — Yahşi Medya, Kırıkkale
I started my career at Yahşi Medya as a recent graduate and joined the application development process by learning Flutter.
- Developed news, municipality and video streaming applications.
- Published them on Google Play and the App Store.
- Elevated both my technical skills and my proficiency in software development processes.
Sep 2018 — Apr 2019
Software Engineer (Part-time) — Provega Bilişim, Mühendislik ve Danışmanlık Hizmetleri, Kırıkkale
Part-time software engineering role held alongside my undergraduate studies.
Jun 2018 — Jul 2018
Intern — Provega Bilişim, Mühendislik ve Danışmanlık Hizmetleri, Kırıkkale
During my second internship, driven by the desire to develop a project with real-life applications, I participated in the Library Electronic Access System project.
- Built the project in three components: a user website, an admin panel and a mobile application developed with Xamarin Forms.
- Continued developing the project until the end of our undergraduate studies and delivered it successfully.
Jun 2017 — Jul 2017
Intern — Provega Bilişim, Mühendislik ve Danışmanlık Hizmetleri, Kırıkkale
During my first internship, I developed my first projects using PHP and MySQL, gaining significant experience in the fundamentals of software development.
- Developed my first projects using PHP and MySQL.
- Gained significant experience in the fundamentals of software development.
Education
Sep 2015 — Jun 2019
BSc, Computer Engineering
Kırıkkale University, Kırıkkale
GPA: 3,26/4,00
Skills
- Mobile
- Flutter · Dart · iOS & Android
- Engineering
- OOP · SOLID · Git
- Ways of working
- Team leadership · Product development
Selected projects
Mar 2023 — Feb 2024
Mentaskop — Güven Future, Ankara
Mentaskop is an AI-powered mobile application designed to help users understand their emotions and cognitive distortions. With mood tracking and personalized content, it aims to support their mental well-being.
Jan 2022 — Present
One Dose Health — One Dose Health, Ankara
One Dose Health is a mobile application that enables users to easily track their health data, share data from medical devices with doctors, and conduct online health consultations. With integrations like Apple Health and Health Connect, it offers users a comprehensive health ecosystem.
Sep 2021 — Feb 2024
Güven Online — Güven Future, Ankara
Güven Online is a mobile application that provides users with digital healthcare services. The platform enables quick appointment booking, access to test results, and video consultations with specialist doctors. It is designed to ensure constant access to healthcare services.
Sep 2019 — Aug 2020
Gazetekale — Yahşi Medya, Kırıkkale
Gazetekale is a digital news platform that delivers the latest news and developments from Kırıkkale to its users quickly and impartially. The mobile application I developed provides a seamless news experience with a user-friendly interface and easy access features.
Jan 2020 — Jul 2020
Kırıkkale Haber — Yahşi Medya, Kırıkkale
Kırıkkale Haber is a news application where users can follow breaking developments in various areas, from current events and politics to education, culture, arts, and economics. It is designed to meet the needs of its users.
Jan 2020 — Jul 2020
Kırıkkale TV — Yahşi Medya, Kırıkkale
Kırıkkale TV is a mobile application that provides video broadcasting services with impartial, accurate, and reliable content. It aims to make it easy for users to access updates and developments related to Kırıkkale.
Jan 2020 — Jul 2020
Yahşihan Belediyesi — Yahşi Medya, Kırıkkale
Yahşihan Belediyesi mobile application was developed to provide easy access to municipal services. The app offers a variety of features, including information about the mayor and council members, tender and zoning announcements, directorates, and services like Yahşi Masa, all in one place.
Jan 2020 — Feb 2020
Evden Sipariş — Yahşi Medya, Kırıkkale
Evdensiparis.com is a platform designed for residents of Kırıkkale, allowing them to easily place orders from the comfort of their homes.
Languages
- Turkish
- Native
- English
- Professional working proficiency