software developer

backend developer

game developer

ios developer

full-stack developer

mobile developer

OBSS

<div>
 
 
 About the Job
 
 
 
 
 
 
 
 Company Description
 
 
 
 OBSS is Turkey&rsquo;s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in Istanbul, Ankara, London, Amsterdam, and Baku, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of over 1000 talented professionals thrives on collaboration, innovation, and continuous learning. We are now looking for a Mobile Developer to join us and contribute to building high-quality, end-to-end solutions that create real business impact.
 
 
 OBSS is looking for a
 
 Mobile Developer
 
 to join our dynamic team and contribute to delivering end-to-end software solutions across diverse industries. You will work on cutting-edge projects, collaborating with cross-functional teams to design, develop, and maintain high-quality applications that solve real business problems.
 
 
 
 
 
 
 Main Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Design, develop, test, and maintain high-quality mobile applications for both iOS and Android.
 </li>
 <li>
 Collaborate with
 
 UX/UI designers, backend developers, business analysts, and product managers
 
 to deliver innovative and user-friendly mobile solutions.
 </li>
 <li>
 Architect scalable, reusable, and maintainable codebases following clean code principles.
 </li>
 <li>
 Integrate APIs, third-party libraries, and SDKs effectively.
 </li>
 <li>
 Optimize app performance, responsiveness, and battery efficiency.
 </li>
 <li>
 Implement and maintain automated testing to ensure application stability.
 </li>
 <li>
 Participate in Agile/Scrum ceremonies, including sprint planning, stand-ups, and retrospectives.
 </li>
 <li>
 Conduct code reviews and contribute to improving development standards and practices.
 </li>
 <li>
 Stay updated with emerging mobile technologies and trends, and apply them where appropriate.
 </li>
 <li>
 Troubleshoot and resolve issues to maintain a seamless user experience.
 </li>
 </ul>
 
 
 
 
 
 Qualifications / Technical Skills
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Software Engineering, or a related field.
 </li>
 <li>
 Minimum
 
 7 years
 
 of professional experience developing native mobile applications for both iOS and Android.
 </li>
 <li>
 Strong proficiency in
 
 Swift
 
 (iOS) and
 
 Kotlin/Java
 
 (Android).
 </li>
 <li>
 Solid understanding of platform SDKs (
 
 iOS SDK, Android SDK, Jetpack components
 
 ) and development tools (
 
 Xcode, Android Studio
 
 ).
 </li>
 <li>
 Experience with modern architectural patterns such as
 
 MVVM, MVP, MVI, VIPER, Clean Architecture
 
 .
 </li>
 <li>
 Familiarity with
 
 UI frameworks
 
 : UIKit, SwiftUI, Combine (iOS); Material Design, Jetpack Compose, Coroutines, Flow (Android).
 </li>
 <li>
 Experience with
 
 networking and APIs
 
 (RESTful APIs, JSON, Alamofire, Retrofit) and local databases (Core Data, SQLite, Room, Realm).
 </li>
 <li>
 Knowledge of unit testing and UI testing frameworks (e.g., XCTest, JUnit, Espresso).
 </li>
 <li>
 Understanding of good UI/UX principles and ability to implement pixel-perfect designs.
 </li>
 <li>
 Proficiency with
 
 Git
 
 and experience with CI/CD tools (e.g., Jenkins, GitHub Actions).
 </li>
 <li>
 Strong problem-solving, analytical thinking, and attention to detail.
 </li>
 <li>
 Excellent communication skills and ability to work in
 
 Agile/Scrum
 
 environments.
 </li>
 <li>
 Published apps on the
 
 App Store
 
 and/or
 
 Google Play
 
 or contributions to open-source projects.
 </li>
 </ul>
 
 
 
 
 
 Additional Informations
 
 
 
 
 Professional Growth &amp; Learning
 
 
 
 As a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalized Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.
 
 
 
 
 
 
 Company Culture and Values
 
 
 
 We celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasizes mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.
 
 
 
 
 
 
 Benefits and Perks
 
 
 
 We provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programs, certifications, and workshops. In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged. These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.
 
 
 
</div>

Mobile Developer (iOS & Android)

Innovance Consultancy

<div>
 
 We are looking for an
 
 &ldquo;Android Developer&rdquo;
 
 who has a self-evident love and care for the craft of mobile software development. The job is hybrid, we expect the candidates to live in
 
 Istanbul.
 
 Join us if you have a penchant for developing solutions with cutting-edge applications for a better world.
 
 
 
 
 
 
 What Are The Required Qualifications?
 
 
 <ul>
 <li>
 5+ years of experience in Android applications development
 </li>
 <li>
 Bachelor's Degree in a related field, Master&rsquo;s degree is a plus,
 </li>
 <li>
 Admirable knowledge of Java/Kotlin, the Android SDK, and Git
 </li>
 <li>
 Implement pixel-perfect UIs
 </li>
 <li>
 Hands-on experience with Android Compose
 </li>
 <li>
 Experience in MVVM/MVI/MVP patterns
 </li>
 <li>
 Extensive practice with unit testing (JUnit, Mockito) to ensure code reliability and maintainability
 </li>
 <li>
 Adheres to Clean Architecture principles for structured, scalable, and testable Android applications
 </li>
 <li>
 Understanding of Unidirectional Data Flow (UDF)
 </li>
 <li>
 Implements a multi-module approach to streamline development and accelerate build times
 </li>
 <li>
 Understanding of Web Services, REST, SOAP, XML, Jenkins
 </li>
 <li>
 Passionate about new technologies with an understanding of how they will add value to improve the products
 </li>
 <li>
 Taking ownership of your work by meeting deadlines, foreseeing delays, and raising issues appropriately
 </li>
 <li>
 Excited to work with a collaborative top-notch team
 </li>
 <li>
 Writing clean code with the end-user in mind; Attention to some details surprisingly may lead to a great user experience
 </li>
 <li>
 Excellent troubleshooting skills and the ability to logically think through problems
 </li>
 </ul>
 
 
 
 
 
 Bonus Points:
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering or related fields is a plus (We are aware that your experience has come through a job, your education, or some strong projects)
 </li>
 <li>
 Desire to lead and mentor junior developers is a plus
 </li>
 <li>
 Experience working on legacy projects with strong skills in refactoring
 </li>
 <li>
 Experience in other mobile frameworks is a plus (React Native, Flutter, iOS, etc.)
 </li>
 <li>
 Experience in Agile Development methodologies is a plus (Scrum, Kanban, etc.)
 </li>
 <li>
 Experience in financial services is a plus
 </li>
 </ul>
 
 
 
 
 
 For details:
 
 
 <ul>
 <li>
 Visit: www.innovance.com.tr
 </li>
 <li>
 Follow us on LinkedIn: www.linkedin.com/company/innovance-consultancy
 </li>
 <li>
 Follow us on Instagram: www.instagram.com/innovanceconsultancy
 </li>
 <li>
 Follow us on Medium: www.medium.com/innovance-company-blog
 </li>
 <li>
 Follow us on Twitter: www.twitter.com/Innovance2017
 </li>
 </ul>
</div>

Android Developer

Crs Soft

<div>
 
 
 Who we are?
 
 
 
 
 
 
 It&rsquo;s time to turn on bright mode. Let&rsquo;s meet!
 
 
 We are a software company that produces niche technologies with an innovative, dynamic, and added-value understanding to the leading companies in its field, serving in different sectors in Turkey and abroad. For starters, the first thing you should know is that Crs is an umbrella organization. Our e-transformation brand, e-d&uuml;nya, offers digital solutions on a single platform. Our game brand Corvus Jay provides players of all ages and backgrounds with captivating, humorous, and artistic games that transcend the ordinary and deliver unforgettable experiences with its open-minded, humorous, creative, and vibrant world of pop art. We are excited to expand our investment areas and the sectors we are involved in. Our focus is on innovative research, exploring Big Data Processing, AI, machine learning, and game development. As one of the top 500 IT companies in Turkey, we are one of the fastest-growing technology companies selected by Deloitte Turkey for the 6th time in a row. Our route is always the same, the future!
 
 
 
 
 
 
 Job Description
 
 
 
 
 
 
 As a Mobile Engineer you will participate in agile software development process, drive development of large-scale, distributed mobile-based applications and develop innovative mobile applications. You should bring and share sufficient process experience in Agile/Scrum methodology, emphasizing collaboration and teamwork in application to large enterprise software development projects.
 
 
 
 
 
 
 The ideal candidate will have:
 
 
 
 
 
 <ul>
 <li>
 BS or MS degree in computer engineering, computer science or equivalent experience
 </li>
 <li>
 0-2 years experience in software projects
 </li>
 <li>
 Perform full life-cycle development tasks for cross-platform applications
 </li>
 <li>
 Strong understanding of OOP principles and software design patterns
 </li>
 <li>
 Knowledge of HTTP/HTTPS protocols, RESTful APIs
 </li>
 <li>
 Knowledge of GIT and experience in branch models
 </li>
 <li>
 Familiarity with platforms such as Android Studio, Xcode
 </li>
 <li>
 Knowledge of Node.js and React Native
 </li>
 <li>
 Experience with open source platforms, including contributions on open source platforms is a plus
 </li>
 <li>
 Innovative point of view and passioned in learning new things and developing him/her self
 </li>
 <li>
 Good analytical skills, and being eager to develop and take on responsibility
 </li>
 <li>
 Fluency in English
 </li>
 </ul>
 
 
 
 
 
 Perks &amp; Benefit
 
 
 
 
 
 <ul>
 <li>
 Being part of an innovative team with a young and dynamic mindset
 </li>
 <li>
 Buffet breakfast in the office every morning
 </li>
 <li>
 Comprehensive private health insurance package
 </li>
 <li>
 Meal card &amp; commute compensation,
 </li>
 <li>
 Lots of events and celebrations (check out @crssoft on Instagram)
 </li>
 <li>
 Education fund to support learning and development opportunities
 </li>
 <li>
 Paid birthday off to spend time with your loved ones
 </li>
 <li>
 A gift book on your birthday
 </li>
 <li>
 All the technical equipment and licenses you need
 </li>
 <li>
 Marriage leave (5 days)
 </li>
 <li>
 No dress code!
 </li>
 </ul>
 
 
 
 
 
 Join Us
 
 
 
 
 
 
 Work hard play hard. 😊 At Crs Soft, we benefit from the power of technology and science, and we achieve the best with our creative and innovative team. Lifelong learning, open-mindedness and leadership are part of our culture. We celebrate all our achievements and special moments together and we know how to have fun.
 
</div>

Mobile Engineer

TCM Bilisim ve Danismanlik Hizmetleri

<div>
 
 
 Job Description
 
 
 
 We are looking for an
 
 iOS Developer
 
 responsible for the development and maintenance of iOS applications. Your primary focus will be the development of iOS applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure.
 
 
 
 
 
 
 Responsibilities
 
 
 
 -Translate designs and wireframes into high quality code
 
 
 -Develop, design, build, and maintain high performance, reusable, and reliable Swift
 
 
 -Ensure the best possible performance, quality, and responsiveness of the application
 
 
 -Identify and correct bottlenecks and fix bugs
 
 
 -Help maintain code quality, organization, and automation
 
 
 
 
 
 
 Skills
 
 
 
 -
 
 3+ years
 
 of coding experience with advanced Swift programming and object-oriented
 
 
 development
 
 
 -Strong coding abilities and experience with iOS development platform
 
 
 -Strong knowledge of xCode, different versions of iOS, and how to deal with different screen
 
 
 sizes
 
 
 -Experience with RESTful APIs to connect iOS applications to back-end services
 
 
 -Strong knowledge of iOS UI design principles, patterns, and best practices
 
 
 -Experience with offline storage, threading, and performance tuning
 
 
 -Knowledge of the iOS ecosystem and the libraries
 
 
 -Experience with push notifications
 
 
 -Experience with &ldquo;In App Purchase&rdquo;
 
 
 -Experience with Firebase Analytics
 
 
 -Experience with play a stream and DRM technologies
 
 
 -Knowledge/experience of code versioning tools, such as Git
 
 
 -Bachelor&rsquo;s Degree in Computer Science or related field
 
 
 
</div>

IOS Developer

Volt Lines

<div>
 
 Join us and be a part of shaping the future of urban mobility!
 
 
 
 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.
 
 
 
 Who are we?
 
 
 
 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.
 
 
 
 What we do?
 
 
 
 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
 
 software
 
 as well as a
 
 transport
 
 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
 
 a Harvard Business School case study
 
 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.
 
 
 
 Let's work together to shape the future of mobility.
 
 
 
 We're looking for a
 
 Mobile App Engineer
 
 to join us in shaping the future of urban transportation using the latest technologies.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Build and maintain scalable, secure, and high-quality mobile apps for iOS and Android with React Native.
 </li>
 <li>
 Manage the end-to-end release cycle, including App Store and 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 mentor junior developers 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>
 
 Requirements
 
 
 
 <ul>
 <li>
 A minimum of Bachelor's degree in Software Engineering, Computer Engineering or a related field
 </li>
 <li>
 Minimum 4 years of proven experience with React Native
 </li>
 <li>
 Strong knowledge of React Native, Xcode, Android Studio, Gradle. Familiarity with native iOS &amp; Android development knowledge
 </li>
 <li>
 Experience with Git for version control
 </li>
 <li>
 Understanding of MVC 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>
 Strong Experience in native iOS, Android development is a plus
 </li>
 <li>
 Experience with frontend development using JavaScript libraries such as React.js, Vue.js, is a plus
 </li>
 <li>
 Knowledge of CI/CD concepts is a plus
 </li>
 <li>
 Excellent command of English
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 <ul>
 <li>
 Innovative Environment: Volt Lines operates in a fast-growing, innovative industry, offering opportunities to work on impactful projects with cutting-edge technology
 </li>
 <li>
 Career Growth: Volt Lines is committed to employee development, offering opportunities for career progression, training, and skill enhancement
 </li>
 <li>
 Work-Life Balance: Volt Lines offers flexible working hours as well as a flexible paid time-off policy that promotes a healthy work-life balance
 </li>
 <li>
 Startup Culture: 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>
 Inclusive Work Culture: Volt Lines values different perspectives, backgrounds, and experiences, and fosters an inclusive workplace where everyone can thrive
 </li>
 <li>
 Impact on Urban Mobility: Volt Lines focuses on revolutionizing urban transportation and sustainability, giving employees a chance to contribute to a purpose-driven mission
 </li>
 <li>
 Compensation and Benefits: 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>

Mobile App Engineer (React Native)

<div>Join us and be a part of shaping the future of urban mobility!
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.
Who are we?
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.
What we do?
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 software as well as a transport 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 a Harvard Business School case study 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.
Let's work together to shape the future of mobility.
We're looking for a Mobile App Engineer to join us in shaping the future of urban transportation using the latest technologies.<h3 class="jobSectionHeader">
Responsibilities</h3><ul>
<li>Build and maintain scalable, secure, and high-quality mobile apps for iOS and Android with React Native.
</li><li>Manage the end-to-end release cycle, including App Store and 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 mentor junior developers 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>Requirements<ul>
<li>A minimum of Bachelor's degree in Software Engineering, Computer Engineering or a related field.</li>
<li>Minimum 4 years of proven experience with React Native.</li>
<li>Strong knowledge of React Native, Xcode, Android Studio, Gradle. Familiarity with native iOS &amp; Android development knowledge.</li>
<li>Experience with Git for version control.</li>
<li>Understanding of MVC 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>Strong Experience in native iOS, Android development is a plus.</li>
<li>Experience with frontend development using JavaScript libraries such as React.js, Vue.js, is a plus.</li>
<li>Knowledge of CI/CD concepts is a plus.</li>
<li>Excellent command of English.</li>
</ul>Benefits<ul>
<li>Innovative Environment: Volt Lines operates in a fast-growing, innovative industry, offering opportunities to work on impactful projects with cutting-edge technology.</li>
<li>Career Growth: Volt Lines is committed to employee development, offering opportunities for career progression, training, and skill enhancement.</li>
<li>Work-Life Balance: Volt Lines offers flexible working hours as well as a flexible paid time-off policy that promotes a healthy work-life balance.</li>
<li>Startup Culture: 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>Inclusive Work Culture: Volt Lines values different perspectives, backgrounds, and experiences, and fosters an inclusive workplace where everyone can thrive.</li>
<li>Impact on Urban Mobility: Volt Lines focuses on revolutionizing urban transportation and sustainability, giving employees a chance to contribute to a purpose-driven mission.</li>
<li>Compensation and Benefits: 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>

ARISE

<div>Arise is a globally active weight-loss app with over 8 million downloads and a 4.7 rating on the App Store. Our mission is simple but ambitious: empower millions of people to become healthier and happier. 
We&rsquo;re looking for an experienced iOS developer who thrives on ownership, precision, and long-term thinking. This role is for someone who can not only deliver high-quality code today but also foresee how decisions made now will impact our app in the months and years ahead&mdash;technically, strategically, and financially. 
If you excel at structured, autonomous work, understand the importance of monetization, and want to build features used by millions, we&rsquo;d love to hear from you. 
 
Your Role 
<ul><li>
Own the iOS codebase&mdash;maintain, optimize, and ensure it&rsquo;s future-proof.</li><li>
Develop and test features that enhance the Arise app experience.</li><li>
Anticipate potential technical pitfalls and proactively design solutions.</li><li>
Collaborate with design to refine usability for a smooth user experience.</li><li>
Align with Android developers to ensure cross-platform consistency, when the time comes.</li><li>
Support monetization strategies by integrating features with measurable business impact.</li></ul>
Requirements 
<ul><li>
Middle 2+ Level Developer with proven track record.</li><li>
Minimum 4 years of iOS development experience.</li><li>
Bachelor&rsquo;s degree in IT or related field preferred.</li><li>
Excellent problem-solving and critical-thinking skills.</li><li>
Comfortable working fully in English.</li></ul>
Technical Skills 
<ul><li>
Strong knowledge of Swift.</li><li>
Experience with Cocoapods and Fastlane.</li><li>
Solid understanding of Apple design principles, patterns, and best practices.</li><li>
Ability to write clean, well-documented, and maintainable code.</li></ul>
Why You&rsquo;ll Love Working with Us 
<ul><li>
High autonomy: own your work from idea to release.</li><li>
Clear decision-making with minimal bureaucracy&mdash;no &ldquo;meetings that should have been emails.&rdquo;</li><li>
Work with the newest hardware and technologies.</li><li>
Flexible, remote-first role (full-time).</li><li>
Paid annual leave.</li><li>
Direct collaboration with founders and management&mdash;your work will have visible impact.</li></ul>
How to Apply 
Send us your application including: 
<ul><li>
Your CV</li><li>
A history of your developed iOS apps</li><li>
Salary expectations</li><li>
(Optional) Code samples or GitHub repositories</li></ul>
Help us build and refine a product that runs like a well-oiled machine&mdash;and improves millions of lives in the process.</div>

iOS App Developer (Remote - M/F/D)

Explore 175+ Mobile developer in Istanbul this October. Find roles across top companies and apply now to boost your career.

175 mobile developer jobs IN Istanbul

Mobile Developer (iOS & Android)

Android Developer

Mobile Engineer

IOS Developer

Mobile App Engineer (React Native)

Mobile App Engineer (React Native)

iOS App Developer (Remote - M/F/D)