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application engineer Jobs in Istanbul Turkey

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back end developer Jobs in Istanbul Turkey

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backend developer Jobs in Istanbul Turkey

backend developer

android developer

Volt Lines

<div><p><b>Join us and be a part of shaping the future of urban mobility!</b></p><p>
Some complain about traffic but some are actually doing something about it. Join us on our mission to reduce traffic in Istanbul by increasing the accessibility of sustainable shared mobility.</p><p></p><p><b>
Who are we?</b></p><p>
Volt Lines is the only technology-enabled player in the Turkish market competing against legacy incumbents and it reduces emissions and traffic by turning premium 16-seater buses into a viable alternative to single occupancy vehicles.
</p><p></p><p><b>What we do?</b></p><p>
In Istanbul, over 50,000 buses operate at 31% efficiency. These buses, which contribute to the city's traffic with empty seats, could also be the solution to its problem. Volt Lines is the only shuttle service provider that has both<b> software</b> as well as a <b>transport </b>service. This allows for optimal harmonization of the software and operation resulting in the creation of great experiences and services. Notable examples of these innovative services include DRT and Marketplace. DRT (short for Demand-Responsive Transport) was covered by <b>a Harvard Business School case study</b> that is being taught at the MBA school. Marketplace on the other hand allows companies to sell empty seats on their buses to neighboring passengers who are going in the same direction at the same time.</p><p></p><p><b>
Let's work together to shape the future of mobility.</b></p><p>
We're looking for a Android Developer to join us in shaping the future of urban transportation using the latest technologies.</p><p></p><p><b>
Responsibilities:</b></p><ul>
<li>
Build and maintain scalable, secure, and high-quality mobile apps for Android with Kotlin.</li>
<li>Manage the end-to-end release cycle, including Google Play publishing processes.</li>
<li>Monitor app metrics (crash reports, performance, user engagement, store ratings) and take proactive actions for improvements.</li>
<li>Conduct code reviews and tech reviews to ensure best practices.</li>
<li>Collaborate with product managers and cross-functional teams to design and deliver new features.</li>
<li>Troubleshoot, debug, and optimize app performance and user experience.</li>
<li>Work with external APIs and data sources while ensuring reliability and security.</li>
<li>Stay up to date with mobile development trends and introduce new tools/technologies to improve efficiency.</li>
</ul><p></p><p><b>
Requirements</b></p><ul>
<li>
A minimum of Bachelor's degree in Software Engineering, Computer Engineering or a related field.</li>
<li>Minimum 2 years of proven experience with Kotlin, Java.</li>
<li>Strong knowledge of Android Studio, Gradle. Experience with Git for version control.</li>
<li>Understanding of MVP and MVVM architectural concepts.</li>
<li>Experience in building applications that interact with notifications, state management, and REST APIs.</li>
<li>Solid understanding of the full mobile development life cycle, including code signing and submitting to the stores..</li>
<li>Familiarity with map libraries such as Google Maps is a plus.</li>
<li>Experience with cross platform development using Kotlin Multiplatform, React Native or Flutter is a plus.</li>
<li>Knowledge of CI/CD concepts is a plus.</li>
<li>Excellent command of English.</li>
</ul><p><b>
Benefits</b></p><ul>
<li>
<b>Innovative Environment</b>: Volt Lines operates in a fast-growing, innovative industry, offering opportunities to work on impactful projects with cutting-edge technology.</li>
<li><b>Career Growth</b>: Volt Lines is committed to employee development, offering opportunities for career progression, training, and skill enhancement.</li>
<li><b>Work-Life Balance</b>: Volt Lines offers flexible working hours as well as a flexible paid time-off policy that promotes a healthy work-life balance.</li>
<li><b>Startup Culture</b>: Volt Lines embodies a startup environment that promotes creativity, autonomy, and innovation, providing employees with the freedom to take initiative and make decisions.</li>
<li><b>Inclusive Work Culture: </b>Volt Lines values different perspectives, backgrounds, and experiences, and fosters an inclusive workplace where everyone can thrive.</li>
<li><b>Impact on Urban Mobility</b>: Volt Lines focuses on revolutionizing urban transportation and sustainability, giving employees a chance to contribute to a purpose-driven mission.</li>
<li><b>Compensation and Benefits</b>: Volt Lines offers its employees a best-in-class equity program (RSUs), the chance to earn up to 20 salaries in a year, private health insurance, food and transportation allowances, among other perks</li></ul></div>

Android Developer

Baykar

<p></p><div><div><div><p>Mobil Uygulama Geli&#351;tiricisi</p>
</div><div><p>iOS Developer</p>
</div><div><p>Android Developer</p>
</div><div><p>Swift</p>
</div><div><p>Objective-C</p>
</div><div><p>Kotlin</p>
</div><div><p>Java</p>
</div><div><p>RESTful API</p>
</div><div><p>OOP</p>
</div><div><p>Design Patterns</p>
</div><div><p>MVVM</p>
</div><div><p>Clean Code</p>
</div><div><p>SOLID</p>
</div><div><p>App Store</p>
</div><div><p>Google Play</p>
</div><div><p>Git</p>
</div><div><p>Firebase</p>
</div><div><p>Remote Config</p>
</div><div><p>Analytics</p>
</div><div><p>Crashlytics</p>
</div><div><p>CI/CD</p>
</div><div><p>Mobile Test</p>
</div><div><p>Performance Analysis</p>
</div><div><p>Clean Architecture</p>
</div><div><p>Mobile App Development</p>
</div><div><p>UX/UI Integration.</p>
</div></div><div><p>Web Yaz&#305;l&#305;m Teknolojileri Grubu olarak, kullan&#305;c&#305; dostu, y&uuml;ksek performansl&#305;, g&uuml;venli ve s&uuml;rd&uuml;r&uuml;lebilir mobil uygulamalar geli&#351;tiriyoruz. Ekibimize, iOS ve/veya Android geli&#351;tirme konusunda yetkin, sekt&ouml;rde deneyim sahibi, teknik derinli&#287;i y&uuml;ksek uzman ekip arkada&#351;lar&#305; ar&#305;yoruz.</p><p>
Aday&#305;n, u&ccedil;tan uca mobil uygulama geli&#351;tirme s&uuml;re&ccedil;lerinde aktif rol almas&#305; ve projelere do&#287;rudan katk&#305; sa&#287;lamas&#305; beklenmektedir.</p><p>
&#304;&#350; TANIMI</p><ul><li>
Swift, Objective-C, Kotlin ve/veya Java ile mobil uygulama geli&#351;tirmek ve bak&#305;m&#305;n&#305; sa&#287;lamak,</li><li>
RESTful API&rsquo;lerle entegrasyon ger&ccedil;ekle&#351;tirmek,</li><li>
App Store ve Google Play yay&#305;n &amp; g&uuml;ncelleme s&uuml;re&ccedil;lerini y&ouml;netmek,</li><li>
UI/UX ekipleriyle koordineli &ccedil;al&#305;&#351;arak kullan&#305;c&#305; odakl&#305;, modern aray&uuml;zler geli&#351;tirmek,</li><li>
Uygulama performans&#305;n&#305; optimize etmek, g&uuml;venlik &ouml;nlemlerini uygulamak,</li><li>
Android ve iOS geli&#351;tirme trendlerini takip ederek uygulamalar&#305; s&uuml;rekli iyile&#351;tirmek,</li><li>
Proje kapsam&#305;nda yeni &ouml;zellikler tan&#305;mlamak, tasarlamak ve geli&#351;tirmek i&ccedil;in ekiplerle i&#351; birli&#287;i yapmak,</li><li>
Clean Code prensiplerine uygun, s&uuml;rd&uuml;r&uuml;lebilir ve okunabilir kod yazmak.</li></ul><p>
GENEL N&#304;TEL&#304;KLER</p><ul><li>
Swift, Objective-C, Kotlin ve/veya Java ile en az 3 y&#305;l profesyonel mobil uygulama geli&#351;tirme deneyimi,</li><li>
RESTful API&rsquo;lerle entegrasyon konusunda deneyim sahibi,</li><li>
App Store ve Google Play da&#287;&#305;t&#305;m ve s&uuml;r&uuml;m y&ouml;netimi s&uuml;re&ccedil;lerine h&acirc;kim,</li><li>
Git versiyon kontrol sistemiyle deneyimli,</li><li>
Firebase ve benzeri servislerle &ccedil;al&#305;&#351;m&#305;&#351; olmak,</li><li>
OOP, Design Pattern ve MVVM konular&#305;nda bilgi sahibi olmak,</li><li>
Yaz&#305;l&#305;m geli&#351;tirme s&uuml;re&ccedil;lerinde Clean Code ve SOLID prensiplerine uygunluk,</li><li>
Tak&#305;m &ccedil;al&#305;&#351;mas&#305;na yatk&#305;n, &ccedil;&ouml;z&uuml;m odakl&#305; ve ileti&#351;im becerisi y&uuml;ksek,</li><li>
En az B1 seviyesinde &#304;ngilizce bilgisi.</li><li>
Tercihen CI/CD s&uuml;re&ccedil;lerine h&acirc;kim olmak,</li><li>
Tercihen Firebase Remote Config, Analytics, Crashlytics gibi servisleri aktif kullanmak,</li><li>
Tercihen MVVM, Clean Architecture gibi yaz&#305;l&#305;m mimarilerine yatk&#305;nl&#305;k,</li><li>
Tercihen mobil test s&uuml;re&ccedil;leri ve performans analizi konusunda bilgi/deneyim sahibi olmak,</li><li>
Tercihen yay&#305;nlanm&#305;&#351; ve aktif kullan&#305;lan en az bir mobil uygulama projesinde g&ouml;rev alm&#305;&#351; olmak,</li><li>
Tercihen farkl&#305; mobil programlama dillerine h&acirc;kimiyet.</li></ul></div></div><div></div>

Mobil Uygulama Geliştiricisi (iOS & Android) – Uzman

Fielse

<p>Mobil ve TV uygulamalar&#305;m&#305;z&#305; bir &uuml;st seviyeye ta&#351;&#305;mak &uuml;zere, kullan&#305;c&#305; deneyimi ve performansa &ouml;nem veren bir <b>App Developer</b> ar&#305;yoruz.</p><p><b>Sorumluluklar</b></p><ul><li>Fielse&rsquo;nin <b>iOS, Android ve TV uygulamalar&#305;n&#305;n</b> geli&#351;tirilmesi, optimizasyonu ve bak&#305;m s&uuml;re&ccedil;lerinden sorumlu olmak</li><li>Yeni &ouml;zelliklerin <b>planlama, geli&#351;tirme ve test</b> a&#351;amalar&#305;nda aktif rol almak</li><li><b>Video oynatma, abonelik y&ouml;netimi ve i&ccedil;erik senkronizasyonu</b> gibi temel i&#351;levlerin kararl&#305; &ccedil;al&#305;&#351;mas&#305;n&#305; sa&#287;lamak</li><li>Backend ekibiyle <b>API ve veri ak&#305;&#351;&#305;</b> konusunda etkin i&#351; birli&#287;i y&uuml;r&uuml;tmek</li><li><b>Performans, g&uuml;venlik ve kullan&#305;c&#305; deneyimi</b> standartlar&#305;n&#305; s&uuml;rekli iyile&#351;tirmek</li><li><b>Kod kalitesi, dok&uuml;mantasyon ve versiyonlama</b> s&uuml;re&ccedil;lerinde y&uuml;ksek standartlar&#305; korumak</li></ul><p><b>Aranan Nitelikler</b></p><ul><li><b>Swift (iOS)</b> veya <b>Kotlin (Android)</b> ile en az <b>2 y&#305;l profesyonel uygulama geli&#351;tirme</b> deneyimi</li><li><b>Modern mimariler</b> (MVVM, Clean Architecture vb.) konular&#305;nda bilgi sahibi olmak</li><li><b>RESTful API, JSON, WebSocket</b>, ve <b>g&uuml;venli oturum y&ouml;netimi</b> (JWT, OAuth2) konular&#305;nda deneyim</li><li><b>App Store</b> ve <b>Google Play</b> yay&#305;n s&uuml;re&ccedil;lerine h&acirc;kimiyet</li><li><b>Performans</b>, <b>bellek y&ouml;netimi</b> ve <b>multithreading</b> konular&#305;nda deneyim</li><li><b>Git</b> versiyon kontrol sistemine h&acirc;kimiyet</li><li><b>Figma</b> ile etkin &ccedil;al&#305;&#351;abilme</li></ul><p><b>Art&#305; De&#287;er Say&#305;lacak Nitelikler</b></p><ul><li><b>Flutter</b> konusunda deneyim</li><li><b>Firebase</b>, <b>OneSignal</b> veya benzeri servislerle &ccedil;al&#305;&#351;ma tecr&uuml;besi</li><li><b>UI/UX detaylar&#305;na</b> &ouml;zen g&ouml;steren, <b>animasyon</b> ve <b>micro-interaction</b> geli&#351;tirme becerisi</li><li><b>E&#287;itim, i&ccedil;erik veya video odakl&#305; uygulamalarda</b> geli&#351;tirme tecr&uuml;besi</li><li><b>CI/CD s&uuml;re&ccedil;leri</b> hakk&#305;nda bilgi</li></ul><p><b>Neden Fielse?</b></p><ul><li>Geli&#351;tiriciye de&#287;er veren, <b>yal&#305;n ve sonu&ccedil; odakl&#305;</b> bir ekip</li><li>Ger&ccedil;ek kullan&#305;c&#305; verileriyle &#351;ekillenen <b>&uuml;r&uuml;n kararlar&#305;</b></li><li>S&uuml;rekli b&uuml;y&uuml;yen bir platformda <b>do&#287;rudan etki yaratma</b> f&#305;rsat&#305;</li><li><b>K&#305;sa karar zincirleri</b>, h&#305;zl&#305; aksiyon alma k&uuml;lt&uuml;r&uuml;</li></ul><p><b>&Ouml;nemli Not</b></p><p>Bu pozisyon <b>ofisten &ccedil;al&#305;&#351;ma esas&#305;na dayanmaktad&#305;r. &#304;lerleyen s&uuml;re&ccedil;te Ofis + Remote Hibrit bir &ccedil;al&#305;&#351;ma modeline de ge&ccedil;ilebilir.</b><br/>&#304;stanbul Avrupa Yakas&#305; d&#305;&#351;&#305;ndan yap&#305;lan ba&#351;vurular, ula&#351;&#305;m zorlu&#287;u nedeniyle <b>de&#287;erlendirmeye al&#305;nmayacakt&#305;r.</b></p><p>Birlikte &ccedil;al&#305;&#351;abilmek dile&#287;iyle.</p><p>&#304;&#351; T&uuml;r&uuml;: Tam zamanl&#305;</p><p>Ba&#351;vuru Sorular&#305;:</p><ul><li>Bir mobil uygulamay&#305; ger&ccedil;ekten &ldquo;iyi&rdquo; yapan tek &#351;ey nedir, sence?</li></ul><p>Deneyim:</p><ul><li>Flutter: 2 y&#305;l (Zorunlu)</li><li>Android Geli&#351;tirme: 2 y&#305;l (Zorunlu)</li><li>iOS: 2 y&#305;l (Zorunlu)</li></ul>

Mid-Level / Senior App Developer

bitaksi

<div>
 <p>
  <strong>
   About bitaksi:
  </strong>
 </p>
 <p>
  Bitaksi is Turkey's leading taxi-hailing app, transforming urban mobility with innovative technology. For over 12 years, we've grown from a small startup to a pivotal part of people's daily lives, providing safe, easy, and modern transportation solutions.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Company Vision:
  </strong>
 </p>
 <p>
  Our vision is to transform the way people move by leveraging cutting-edge technology and creating seamless experience for both riders and drivers. We aim to be the preferred transportation platform of choice, setting new industry standards and reshaping urban mobility.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Why Choose bitaksi:
  </strong>
 </p>
 <p>
  Impactful Work: By joining bitaksi, you will have the opportunity to work on projects that directly impact on the lives of millions. Your contributions will help shape the future of transportation and make a difference in the way people navigate their daily lives.
 </p>
 <p>
  Innovation and Technology: Be part of a dynamic team that uses the latest technology to develop user-centric solutions in a rapidly evolving industy.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   To join us as an Android Engineer you&rsquo;ll need:
  </strong>
 </p>
 <ul>
  <li>
   BSc degree in Computer Science or a related field
  </li>
  <li>
   Hands-on Android development experience in an agile team, with 2+ years for Android Engineer
  </li>
  <li>
   Practical knowledge of OOP, Design Patterns, Clean Code, Craftsmanship culture, Refactoring, and Unit Testing
  </li>
  <li>
   Experience in Kotlin is a must.
  </li>
  <li>
   Strong knowledge and hands-on experience with Jetpack Compose
  </li>
  <li>
   Have published and supported one or more Android apps in the Google Play Store
  </li>
  <li>
   Ability to develop functional mobile applications by modern architectures like MVVM and Clean Architecture
  </li>
  <li>
   Experience using CI/CD pipelines
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   You will:
  </strong>
 </p>
 <ul>
  <li>
   Build efficient and reusable mobile components and architect reliable, performant, and scalable mobile solutions
  </li>
  <li>
   Implement user-facing and platform features with the latest Android technologies
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   What we offer?
  </strong>
 </p>
 <ul>
  <li>
   Open communication, teamwork and strong company culture of continuous development
  </li>
  <li>
   Competitive salary
  </li>
  <li>
   Private health insurance (family included)
  </li>
  <li>
   Meal card
  </li>
  <li>
   Monthly IstanbulCard reimbursement
  </li>
  <li>
   We care about your wellbeing; free psychological counseling, legal advice, financial advice etc.
  </li>
  <li>
   Team and company activities for motivation
  </li>
  <li>
   Discounted gym membership
  </li>
  <li>
   Online education platforms
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Join Us
  </strong>
  : Become part of a team that&rsquo;s redefining urban mobility. Together, let&rsquo;s create innovative solutions that enhance the lives of millions.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <em>
   Under the scope of your application, your personal data submitted to us will be processed in accordance with the Law on the Protection of Personal Data No. 6698 for the purposes of managing and evaluating our recruitment processes and contacting you when necessary. You can access our information text on the processing of your personal data via the following link : https://www.bitaksi.com/en/personal-data-protection-policy
  </em>
 </p>
</div>


Android Engineer

<p></p><div><div><p>A&ccedil;&#305;klama: Firmam&#305;z b&uuml;nyesinde kullan&#305;lan bir&ccedil;ok mobil/masa&uuml;st&uuml;/web yaz&#305;l&#305;m projelerine y&ouml;nelik geli&#351;tirmeler yapmaktay&#305;z. Merkezi Kontrol Yaz&#305;l&#305;mlar&#305; Tak&#305;m&#305; olarak,mobil yaz&#305;l&#305;m geli&#351;tirme s&uuml;re&ccedil;lerinde bizlere destek olacak stajyer aray&#305;&#351;&#305;nday&#305;z. &#304;lgili alanlarda temel yaz&#305;l&#305;m bilgilerine sahip, &ouml;&#287;renmeye istekli ve tak&#305;m &ccedil;al&#305;&#351;mas&#305;na uyum sa&#287;layabilecek adaylar ar&#305;yoruz.</p><p>
Aranan Nitelikler:</p><ul><li>
Nesne tabanl&#305; programlama (OOP) konusunda bilgi sahibi,</li><li>
Temel veritaban&#305; ve SQL bilgisi olan,</li><li>
Java ve Kotlin dilleri ile Android geli&#351;tirmede deneyimli,</li><li>
Mobil UX/UI konusunda bilgi sahibi,</li><li>
Android SDK ve pop&uuml;ler 3rd party k&uuml;t&uuml;phanelerde bilgi sahibi,</li><li>
&#304;yi d&uuml;zeyde problem &ccedil;&ouml;zme ve analitik d&uuml;&#351;&uuml;nme becerisine sahip,</li><li>
Tak&#305;m &ccedil;al&#305;&#351;mas&#305;na yatk&#305;n, ileti&#351;im becerileri kuvvetli,</li><li>
Yeni teknolojilere merakl&#305; ve &ouml;&#287;renmeye a&ccedil;&#305;k,</li><li>
Tercihen Git ve benzeri versiyon kontrol sistemleri hakk&#305;nda bilgi sahibi,</li><li>
Tercihen Mobil uygulama geli&#351;tirme konusunda bilgi sahibi veya bu alanda &ouml;&#287;renmeye istekli,</li><li>
React Native, Flutter veya benzeri mobil geli&#351;tirme framework'leri ile uygulamalar geli&#351;tirmi&#351; veya &ouml;&#287;renmeye a&ccedil;&#305;k,</li><li>
Mobil uygulama tasar&#305;m ve geli&#351;tirme s&uuml;re&ccedil;lerine ilgi duyan,</li></ul><p>
G&ouml;rev ve Sorumluluklar:</p><ul><li>
Merkezi Kontrol Yaz&#305;l&#305;mlar&#305; projelerinde aktif rol almak,</li><li><b>
Mevcut yaz&#305;l&#305;m &ccedil;&ouml;z&uuml;mlerini analiz etmek ve geli&#351;tirmek,</b></li><li>
Veritaban&#305; y&ouml;netimi ve veri entegrasyonu konular&#305;nda destek sa&#287;lamak,</li><li>
Yaz&#305;l&#305;m test s&uuml;re&ccedil;lerine katk&#305;da bulunmak,</li><li>
Yeni teknolojileri ara&#351;t&#305;rmak ve tak&#305;m ile payla&#351;mak,</li><li>
Mobil uygulama geli&#351;tirme projelerinde yer almak ve bu projelerde aktif rol almak,</li><li>
Mobil uygulama kullan&#305;c&#305; aray&uuml;zlerini tasarlamak ve geli&#351;tirmek,</li></ul></div></div><div></div>

2026 Yaz Dönemi | Merkezi Kontrol Yazılımları

CRP TURİZM REKLAM E TİC. VE İTH. İHR. ŞTİ

<p><b>Freelance Developer Aran&#305;yor &ndash; YachtDunyasi.com</b></p><p>YachtDunyasi.com i&ccedil;in mevcut site &uuml;zerinde d&uuml;zenleme ve geli&#351;tirme yapabilecek freelance developer ar&#305;yoruz.<br/>Maa&#351;l&#305; de&#287;il, i&#351; ba&#351;&#305;na &ouml;deme yap&#305;lacakt&#305;r.</p><p>Aranan nitelikler:</p><ul><li>PHP, HTML, CSS, JavaScript bilgisi</li><li>Mevcut sistemde d&uuml;zenleme ve hata giderme deneyimi</li><li>Frontend uyarlama ve k&uuml;&ccedil;&uuml;k geli&#351;tirmelerde yetkin</li></ul><p>&#304;&#351; T&uuml;r&uuml;: Tam zamanl&#305;</p>

Freelance Developer Aranıyor

Partnerra HR

<p>Cloud Backend Developer &amp; DevOps Backend Engineer ar&#305;yoruz!</p><p>Yurt d&#305;&#351;&#305; merkezli global m&uuml;&#351;terimiz i&ccedil;in deneyimli ekip arkada&#351;lar&#305; ar&#305;yoruz.&bull;</p><p>Java / Kotlin Cloud Backend Developer Cloud ortam&#305;nda backend geli&#351;tirme deneyimi Microservice mimarisi ve REST API tecr&uuml;besi &#304;ngilizce: Advanced&bull;</p><p>DevOps Backend Engineer AWS / Amazon Cloud deneyimi Jenkins &amp; Commerce Cloud bilgisi</p><p>Commerce Cloud geli&#351;tirme deneyimi &#304;ngilizce: Advanced Global ekiplerle &ccedil;al&#305;&#351;ma f&#305;rsat&#305;</p><p>Deneyim: min 6-7 y&#305;l Lokasyon: &#304;stanbul (Avrupa Yakas&#305;) &ndash; Hybrid Ba&#351;vurular i&ccedil;in: info@partnerra.com.tr</p><p>&#304;&#351; T&uuml;r&uuml;: Tam zamanl&#305;</p>

Cloud Backend Developer

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