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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)

AppVision

<div>
 
 
 Company Description
 
 
 
 AppVision builds subscription-first mobile &amp; web products used by hundreds of thousands of creators and consumers. Our latest AI music app has crossed $200k+ MRR and is still growing. We&rsquo;re expanding our core team with a Senior Frontend Developer who can own complex UI/UX, performance, and delivery end-to-end.
 
 
 
 
 
 
 What you&rsquo;ll do
 
 
 <ul>
 <li>
 Build modern, accessible interfaces with
 
 TypeScript
 
 and a React-style component model (React preferred;
 
 Vue/Svelte welcome
 
 )
 </li>
 <li>
 Own features end-to-end: from sketch &rarr; implementation &rarr; launch &rarr; telemetry/iteration
 </li>
 <li>
 Create robust UI systems:
 
 Tailwind
 
 + component libraries, story-driven docs, reusable patterns
 </li>
 <li>
 Drive performance (
 
 Core Web Vitals
 
 , profiling, caching, code-splitting) and reliability (error boundaries, retries)
 </li>
 <li>
 Collaborate with design/product on flows like auth, paywalls, analytics, and creator tools
 </li>
 <li>
 Test what you ship:
 
 Playwright
 
 (e2e) and
 
 Vitest/Jest
 
 (unit)
 </li>
 </ul>
 
 
 
 
 
 Our environment
 
 
 
 
 TypeScript &bull; React (or comparable) &bull; Tailwind &bull; shadcn/ui &bull; TanStack Query &bull; Node APIs &bull; PostHog/Amplitude &bull; Sentry &bull; Cloud/Edge deploy
 
 
 
 
 
 
 
 You might be a fit if you&hellip;
 
 
 <ul>
 <li>
 Have strong experience building production UI (we&rsquo;re hiring
 
 mid to senior
 
 ; exceptional juniors also considered)
 </li>
 <li>
 Can turn high-level product goals into elegant, maintainable components
 </li>
 <li>
 Sweat the details&mdash;keyboard nav, motion, micro-interactions, empty states
 </li>
 <li>
 Care about performance and DX, and enjoy mentoring or being mentored
 </li>
 </ul>
 
 
 
 
 
 Nice to have
 
 
 <ul>
 <li>
 Experience with subscription/paywall flows or analytics dashboards
 </li>
 <li>
 Familiarity with mobile-web/PWA or React Native bridges
 </li>
 <li>
 Data viz skills and a taste for clean, informative charts
 </li>
 </ul>
 
 
 
 
 
 What we offer
 
 
 <ul>
 <li>
 
 Top-tier salary (based on location; $50k&ndash;$200k) + equity
 
 </li>
 <li>
 
 Fully remote, flexible hours (core overlap in UTC&plusmn;3)
 
 </li>
 <li>
 
 Latest gear (M-series Mac, 4K monitor) &amp; annual learning budget
 
 </li>
 <li>
 
 Private health insurance &amp; 25+ days PTO
 
 </li>
 <li>
 
 High ownership, low bureaucracy, and a builder&rsquo;s culture
 
 </li>
 </ul>
</div>

Frontend Developer

obilet

<div>
 
 Founded in 2012, Obilet.com is a leading travel and tourism platform offering comprehensive services, including bus, flight, and ferry ticketing, along with hotel bookings and car rentals.
 
 
 
 
 
 As the undisputed market leader in Turkey across both B2B and B2C segments, the platform supports bus carriers with its best-in-class SaaS Inventory Management System (IMS), attracts 25 million monthly visitors, and boasts 15 million app downloads.
 
 
 
 
 
 Projected to mediate over 50 million transactions in 2025, Obilet is expanding internationally to become one of the largest global players in the travel tech industry.
 
 
 
 
 
 We are looking for a &ldquo;Frontend Developer&rdquo; for our Technology Team. If you want to join as a part of our ongoing succes story, apply now!
 
 
 
 
 
 
 Main responsibilities will include:
 
 
 <ul>
 <li>
 As a Frontend Developer, you will take full responsibility for developing and delivering new features of website and the current system&rsquo;s maintenance
 </li>
 <li>
 Implementing designed UX/UI specifications for web interfaces
 </li>
 <li>
 Contributing to design and development phases for frontend and web application
 </li>
 <li>
 Identifying, investigating, and implementing applicable solutions to business requirements
 </li>
 <li>
 Following industry best practices in design and product development, also taking initiative in recommending possible enhancements
 </li>
 <li>
 Following implemented source control &amp; versioning guidelines
 </li>
 <li>
 Contribute to internal coding standards / development practices applied within the team
 </li>
 </ul>
 
 
 
 
 
 To be successful in this role, you need to have:
 
 
 <ul>
 <li>
 2+ years of frontend development
 </li>
 <li>
 Strong JavaScript programming skills
 </li>
 <li>
 Experience in working with JQuery
 </li>
 <li>
 Experience with web technologies like AJAX/JSON/XML/http
 </li>
 <li>
 Experience developing and architecting excellent UX/UI
 </li>
 <li>
 Experience in frontend programming within a .Net Core MVC project
 </li>
 <li>
 Ability to write clear and well-documented code
 </li>
 <li>
 Experience in build tools (Gulp, Webpack) is a plus
 </li>
 <li>
 Experience with JS Frameworks such as React, Angular, Node.js etc is a plus
 </li>
 <li>
 Preferably experienced in e-commerce domain
 </li>
 <li>
 Preferably experienced in web sites that work under high user loads
 </li>
 <li>
 Strong problem solving and troubleshooting skills
 </li>
 <li>
 Being a team player, having good communication skills
 </li>
 </ul>
 
 
 
 
 
 What we offer:
 
 
 
 🏠
 
 Remote Working:
 
 We work remotely, but our offices are always open for us
 
 
 🎂
 
 Birthday Leave:
 
 In the month of our birthday, we can take a day off on any day we choose
 
 
 📅
 
 Flexible Working Hours:
 
 On the days we come to the office, we set our own start time with our flexible working model
 
 
 🎉
 
 Happy Hours &amp; Company Events:
 
 With our New Year&rsquo;s Event, #obiletfest and Happy Hours, we not only strive for success but also have a lot of fun along the way
 
 
 📚
 
 Self-Development:
 
 Your growth is our focus, with access to online learning platforms like Udemy and various training programs designed to support your professional development
 
 
 🌟
 
 Best-in-class Teammates:
 
 We are all the best in our fields and we are confident about it
 
 
 🤠
 
 No Dress Code:
 
 We have no dress code. We can set the trend in our office with our style
 
 
 ☕
 
 Free Snacks &amp; Drinks:
 
 Surprise breakfasts, desserts and fruits might be waiting for us in our office
 
 
 
 ✨ Health Insurance:
 
 We are by your side with our health insurance whenever you need it
 
</div>

TatilBudur

<div>
 
 
 G&ouml;rev ve Sorumluluklar
 
 
 
 
 
 <ul>
 <li>
 iOS, Android ve Huawei platformlar&inodot; i&ccedil;in
 
 React Native
 
 ile mobil uygulamalar&inodot;n geli&scedil;tirilmesi ve s&uuml;rd&uuml;r&uuml;lmesi,
 </li>
 <li>
 
 UI/UX
 
 alan&inodot;nda piksel hassasiyetinde, duyarl&inodot; ve kullan&inodot;c&inodot; dostu aray&uuml;zlerin hayata ge&ccedil;irilmesi,
 </li>
 <li>
 
 RESTful API&rsquo;ler
 
 ve
 
 third-party
 
 uygulamalar&inodot;n entegre edilmesi,
 </li>
 <li>
 Uygulama performans&inodot;n&inodot;n optimize edilerek h&inodot;zl&inodot; ve ak&inodot;c&inodot; UX deneyiminin sa&gbreve;lanmas&inodot;,
 </li>
 <li>
 Temiz, s&uuml;rd&uuml;r&uuml;lebilir ve test edilebilir kod yaz&inodot;lmas&inodot;,
 </li>
 <li>
 Kar&scedil;&inodot;la&scedil;&inodot;lan teknik sorunlar&inodot;n analiz edilip &ccedil;&ouml;z&uuml;me ula&scedil;t&inodot;r&inodot;lmas&inodot;,
 </li>
 <li>
 
 Agile, Scrum
 
 s&uuml;re&ccedil;leri ve
 
 CI/CD metodlar&inodot;na
 
 aktif kat&inodot;l&inodot;m,
 </li>
 <li>
 Mobil geli&scedil;tirme ve React Native ekosistemindeki yeniliklerin yak&inodot;ndan takip edilmesi.
 </li>
 </ul>
 
 
 
 
 
 Aranan Nitelikler
 
 
 <ul>
 <li>
 React Native ile mobil uygulama geli&scedil;tirme konusunda
 
 en az 5-7 y&inodot;l profesyonel deneyim
 
 ,
 </li>
 <li>
 G&uuml;ncel React Native versiyonlar&inodot;n&inodot; deneyimlemi&scedil; olmak (&ouml;rn: 0.80^ iOS swift ge&ccedil;i&scedil;i).
 </li>
 <li>
 
 JavaScript
 
 ve
 
 TypeScript
 
 dillerinde deneyim,
 </li>
 <li>
 Redux, React Navigation gibi
 
 modern React Native k&uuml;t&uuml;phanelerine
 
 hakimiyet,
 </li>
 <li>
 Mobil uygulama React Native i&ccedil;in yeterli Html ve Css bilgisine sahip olmak
 </li>
 <li>
 
 Apple App Store
 
 ,
 
 Google Play Store
 
 ve
 
 Huawei App Gallery
 
 yay&inodot;n s&uuml;re&ccedil;leri hakk&inodot;nda bilgi sahibi olmak,
 </li>
 <li>
 Mobil aray&uuml;z (UI/UX) prensiplerine hakim olmak,
 </li>
 <li>
 Geli&scedil;tirdi&gbreve;i ve Marketlerde bulunan uygulamalardan referans verebilecek
 </li>
 <li>
 Farkl&inodot; cihazlarda ve versiyonlara uygun geli&scedil;tirme yapmak
 </li>
 <li>
 Firebase, Log, Monitoring s&uuml;re&ccedil;lerine hakim
 </li>
 <li>
 
 Git
 
 veya benzeri versiyon kontrol sistemlerinde deneyimli olmak,
 </li>
 <li>
 Analitik d&uuml;&scedil;&uuml;nme ve problem &ccedil;&ouml;zme becerileri geli&scedil;mi&scedil;,
 </li>
 <li>
 Ekip &ccedil;al&inodot;&scedil;mas&inodot;na yatk&inodot;n, ileti&scedil;imi g&uuml;&ccedil;l&uuml;, dikkatli ve sorumluluk sahibi olmak.
 </li>
 </ul>
 
 
</div>

Mobile Developer

Crystal Intelligence

<div>Position summary
We are currently looking for a talented UX/UI Designer (Stablecoin Analytics Product) to join us on a short-term contract basis to help design a polished analytics product focused on stablecoin insights.
As a Contract UX/UI Designer, you'll play a pivotal role in shaping the user experience of our new stablecoin analytics product. You'll work closely with our product development team to transform complex blockchain data into intuitive, elegant interfaces that empower users to gain actionable insights. This is an opportunity to create a product that serves professionals in the rapidly evolving stablecoin and cryptocurrency space.
Duties and responsibilities 
<ul>
<li>
Design intuitive user interfaces for a stablecoin analytics platform, including dashboards, data visualizations, and reporting features</li>
<li>Create user flows, wireframes, prototypes, and high-fidelity mockups that balance aesthetics with functionality</li>
<li>Collaborate with product managers and developers to understand requirements and translate them into compelling design solutions</li>
<li>Design data visualization components that make complex blockchain metrics accessible and actionable</li>
<li>Establish and maintain a cohesive design system and visual language for the product</li>
<li>Conduct user research or incorporate feedback to iterate and refine designs</li>
<li>Ensure designs are responsive and work seamlessly across different devices and screen sizes</li>
<li>Present design concepts and rationale to stakeholders and incorporate feedback</li>
<li>Deliver production-ready design assets and specifications to the development team</li>
<li><ul>
</ul></li></ul>Requirements<ul>
<li>
Proven experience as a UX/UI Designer with a strong portfolio showcasing analytics, dashboard, or data-heavy product design</li>
<li>Expertise in design tools such as Figma, Sketch, or Adobe XD</li>
<li>Strong understanding of UX principles, interaction design, and information architecture</li>
<li>Experience designing data visualizations and complex data displays</li>
<li>Ability to work independently and deliver high-quality work within tight timelines</li>
<li>Excellent communication skills and ability to articulate design decisions</li>
<li>Attention to detail and commitment to pixel-perfect execution</li>
<li>Availability to start immediately or within a short timeframe</li>
<li><ul>
</ul></li></ul>Preferred Qualifications:<ul>
<li>
Experience designing fintech, analytics, or B2B SaaS products</li>
<li>Familiarity with blockchain, cryptocurrency, or financial data products</li>
<li>Understanding of how technical users interact with data and analytics tools</li>
<li>Experience working with distributed or remote teams</li>
<li>Knowledge of front-end development constraints and capabilities</li></ul></div>

UX/UI Designer (3-month FTC, Remote)

Koalay.com

<div>
 
 
 Job Description
 
 
 
 
 
 
 We are a best-practice driven development team. We are looking for talented developers, strong technical individuals who will support us in the development and deployment of the company&rsquo;s core business applications that are used by millions of consumers every month.
 
 
 We are looking for someone who is passionate about modern frontend technologies, a self-starter who is excited to learn and improve his/her skillset in the ever-evolving medium of the web. The ideal candidate is a creative thinker with experience in user experience definition and user interface design.
 
 
 
 
 
 
 Required education &amp; experience:
 
 
 
 &middot; Bachelor Degree (preferably in engineering or in related fields)
 
 
 &middot; Experience in frontend web application development, min 3 years
 
 
 &middot; Good understanding of SDLC processes, in particular Agile
 
 
 &middot; An expert command of web technologies, including JavaScript(ES/TS), HTML5, CSS3
 
 
 &middot; Experience in React
 
 
 &middot; Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS,
 
 
 &middot; Experience in version control systems
 
 
 &middot; Experience in responsive design, cross browser and mobile compatibility
 
 
 &middot; Experience in architecting component libraries, building reusable UI components
 
 
 
 
 
 
 Candidates with the below credentials will have preference:
 
 
 
 &middot; Experience in server side rendering, preferably NextJS
 
 
 &middot; Experience in in-depth SEO optimization (Core Web Vitals etc)
 
 
 &middot; Experience in task runners
 
 
 
 
 
 
 Personal Attributes:
 
 
 
 &middot; Hard worker with high commitment on deliverable deadlines and quality,
 
 
 &middot; Dedication to self-improvement and continuous learning
 
 
 &middot; Excellent analytical and problem-solving abilities,
 
 
 &middot; Good written and verbal communication skills.
 
 
 &middot; Volunteers to assist and guide subordinate roles
 
 
 
 
 
 
 Join our Development Team and...
 
 
 
 &middot; be part of a successful and fast-growing financial technology company in Turkey which has millions of sessions each month,
 
 
 &middot; build and develop well designed infrastructures by collaboration with other developers and business owners,
 
 
 &middot; take part in technically challenging, high performing projects, share and thrive your technical skills in an Agile environment.
 
</div>

Frontend Software Developer

Accenture

<div><div>Accenture Industry X is an advanced, digitally enabled, innovative planning and investment approach for manufacturing and asset-intensive industries. In your role within our Industry X team, you&rsquo;ll help clients take advantage of significant market opportunities as digital technology moves into the core of industry in product development and manufacturing environments. You&rsquo;ll assist them in transforming their product, manufacturing, and product-related services value chains across sectors such as Products, Communications, Media, High Tech, Chemicals, Mining, Oil &amp; Gas, and Utilities. As part of Accenture Industry X, you&rsquo;ll benefit from tailored career management and specialist skills that will fuel your ambitions.</div><div><div><div><div><div><div><div><div><div>
What&rsquo;s in it for you?
&#10024;Work-Life Balance: Hybrid working model / Flexible hours / Birthday off / No dress code / Happy Hours
Health &amp; Wellness: Life &amp; Health Insurance / An Employee Assistance &amp; Wellness Program
Transportation: Shuttle service / Transportation support
 Financial Benefits: Meal allowance / Employee Referral Bonus Program / Performance bonus &amp; promotion / Accenture Recognition Points
Professional Development: Learning budget / Personal career development with People Leads / Buddy Program
Work Environment: Working on international projects with a globally diverse team / A fast-paced technology environment</div></div></div></div></div></div></div></div></div></div>
 
<div>Required Qualifications: 
<ul><li>
At least 6 years of software engineering and hands-on programming experience in web applications</li><li>
Strong knowledge of web standards and protocols, including HTML, CSS, HTTP, JavaScript (ES6), and TypeScript</li><li>
Experience with HTML5, CSS3, and Responsive Web Development</li><li>
Proficiency in at least one of the high-demand JavaScript frameworks (e.g., Angular, React, Vue)</li><li>
Familiarity with Frontend Dev Tools (Gulp.js, webpack, Chrome Dev Tools etc.) is a plus</li><li>
Familiarity with DevOps (Continuous Integration, Continuous Testing and Continuous Delivery) is a plus</li><li>
Familiarity with UI/UX concerns, Progressive Web Applications and CSS preprocessors (SASS, Less) is plus</li><li>
Familiarity with one of the jss libraries and npm ecosystem is a plus</li><li>
Experience with cloud platforms such as Azure, AWS, or GCP is a plus</li><li>
Strong written and verbal communication skills in English</li><li>
Excellent problem-solving abilities and a high degree of intellectual capability</li><li>
BS or higher degree in Computer Science or related discipline, or equivalent industry experience</li></ul> 
Key Responsibilities: 
<ul><li>
Lead the design and development of rich client web applications, ensuring high performance and a superior user experience</li><li>
Provide technical leadership and mentorship to team members, fostering collaboration and knowledge sharing</li><li>
Stay updated on and implement new technologies and innovations to enhance development processes</li><li>
Drive improvements in delivery quality and efficiency across the organization</li><li>
Collaborate closely with cross-functional teams to define project goals, timelines, deliverables and manage expectations across teams and stakeholders 
Ready to make an impact? If you are excited about working with cutting-edge technology and participating in thrilling international projects, we want to hear from you! Join Accenture and achieve your goals.
#GreatPlaceToWork
Apply Now!</li></ul></div>

Lead Frontend Developer

Explore 100+ Ui developer in Istanbul Turkey this November. Find roles across top companies and apply now to boost your career.

100 ui developer jobs IN Istanbul Turkey

Mobile Developer (iOS & Android)

Frontend Developer

Frontend Developer

Mobile Developer

UX/UI Designer (3-month FTC, Remote)

Frontend Software Developer

Lead Frontend Developer