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senior frontend developer Jobs in Istanbul

senior frontend developer

front end software developer

Wide and Wise

<div>We are looking for a Frontend Developer to join our partner company!
This is a high-impact, ownership-driven position suited for experienced frontend engineers who enjoy shaping architecture, delivery processes, and the future of a product from the ground up.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul><li>
Develop and maintain cross-platform mobile applications using React Native (Expo) for both iOS and Android.</li><li>
Manage the full delivery lifecycle, including builds, testing, and publishing applications to the App Store and Google Play.</li><li>
Ensure high-quality, scalable, and maintainable frontend architecture across mobile platforms.</li><li>
Contribute to the development of a basic web back office using React.</li><li>
Collaborate closely with backend and product teams to deliver end-to-end features.</li><li>
Apply strong SDLC practices throughout development, release, and iteration cycles.</li><li>
Leverage AI-powered developer tools to improve development speed, code quality, and debugging.</li><li>
Take full ownership of frontend components from day one, with the opportunity to grow into a frontend lead role and build a team in later stages.</li></ul><h3 class="jobSectionHeader">
Qualifications</h3><ul><li>
Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field.</li><li>
Minimum 3 years of professional experience as a frontend developer.</li><li>
Strong experience with React Native, preferably with Expo.</li><li>
Hands-on experience building and publishing apps for iOS and Android from a single codebase.</li><li>
Solid understanding of the delivery lifecycle, app releases, and production environments.</li><li>
Good working knowledge of React for web applications.</li><li>
Comfortable working in early-stage, fast-moving environments with high ownership.</li><li>
Curiosity and openness toward using AI tools in frontend development workflows.</li><li>
Previous experience in early-stage startups or leading frontend initiatives is a strong plus.</li></ul></div>

Frontend Developer

OREDATA

<div>
 
 OREDATA is a Digital Transformation &amp; IT Consulting firm with 10+ years of proven expertise and hundreds of successfully implemented projects across the EMEA region. When you join the OREDATA team, you'll be working hand-in-hand with experts focused on tackling digital, operational, analytical &amp; data science challenges with the greatest impact. We foster collaboration with proximity, an agile and autonomous approach and best practices and guiding principles.
 
 
 Read more: https://medium.com/@oredata-engineering
 
 
 Apply and be part of our exciting journey!
 
 
 We are looking for a Frontend Developer to join our team within a leading company in the aviation industry. ✈️
 
 
 
 
 Responsibilities:
 
 
 <ul>
 <li>
 Develop responsive and high-quality frontend components using
 
 React
 
 and
 
 TypeScript
 
 </li>
 <li>
 Collaborate with backend developers, designers, and product owners
 </li>
 <li>
 Participate in code reviews and ensure code quality standards
 </li>
 <li>
 Optimize applications for maximum performance and scalability
 </li>
 <li>
 Contribute to UI/UX improvements and reusable component structures
 </li>
 <li>
 Document technical processes and maintain project consistency
 
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Bachelor's degree in
 
 Computer Engineering
 
 ,
 
 Software Engineering
 
 ,
 
 Computer Science
 
 , or related fields
 </li>
 </ul>
 <ul>
 <li>
 
 6-8
 
 years of experience in frontend development
 </li>
 <li>
 Experience with
 
 Tailwind CSS
 
 (nice to have)
 </li>
 </ul>
 <ul>
 <li>
 Strong knowledge of
 
 React
 
 ,
 
 TypeScript
 
 , and modern JavaScript frameworks
 </li>
 </ul>
 <ul>
 <li>
 Familiarity with RESTful APIs, Git version control, and frontend build tools
 </li>
 <li>
 
 English level B1-B2
 
 (able to read documentation and communicate in technical contexts)
 
 </li>
 </ul>
 
 
 Get to know us
 
 
 
 If you want to know more about us and what we do, then visit our website: www.oredata.com
 
 
 
 Why Oredata?
 
 
 <ul>
 <li>
 Opportunity to get company paid Professional Certificates (Google Cloud Platform, Confluent Kafka, etc)
 </li>
 <li>
 Access to Online Training Platforms (Udemy, Pluralsight, A Cloud Guru, Coursera, etc.)
 </li>
 <li>
 Opportunity to work on international projects
 </li>
 <li>
 Private Health Insurance
 </li>
 <li>
 Birthday Leave Policy
 </li>
 <li>
 Dynamic work ecosystem where you can take initiative and responsibility
 </li>
 <li>
 Open communication, flexibility and start-up spirit
 </li>
 <li>
 Learning &amp; Development opportunities for both personal and professional growth
 
 </li>
 </ul>
 
 
 Ki&scedil;isel verileriniz i&scedil;e al&inodot;m s&uuml;recinin y&uuml;r&uuml;t&uuml;lebilmesi amac&inodot;yla veri sorumlusu s&inodot;fat&inodot;yla &scedil;irketimiz Oredata Yaz&inodot;l&inodot;m A.&Scedil;. taraf&inodot;ndan i&scedil;lenecektir.
 
 Ki&scedil;isel verilerinizin i&scedil;lenmesi ve haklar&inodot;n&inodot;zla ilgili detayl&inodot; bilgiye https://oredata.com/personal-data-protection-policy/ ba&gbreve;lant&inodot;s&inodot; &uuml;zerinden ula&scedil;abilirsiniz.
 
</div>

Agito Software & Consulting

<div>
 
 We are looking for a Senior Front-End Developer to work on large-scale, enterprise-level applications for the insurance industry. The ideal candidate has strong experience with React, micro frontend architectures, and modern front-end development practices.
 
 
 
 
 
 
 Required Qualifications
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, Mathematical Engineering, Mathematics, Computer Programming, or a related field.
 </li>
 <li>
 Minimum 5 years of experience as a Front-End Developer, with proven experience in micro front-end architectures.
 </li>
 <li>
 Strong proficiency in React.js, with a solid understanding of its core principles and latest updates.
 </li>
 <li>
 Hands-on experience with micro front-end approaches (e.g., Module Federation, Single-SPA or similar).
 </li>
 <li>
 Strong knowledge of state management solutions (Context API, Redux / Redux Toolkit, Zustand, etc.).
 </li>
 <li>
 Extensive experience with TypeScript in large-scale applications.
 </li>
 <li>
 Experience using Ant Design and working with design systems.
 </li>
 <li>
 Strong experience in RESTful API integration using Axios.
 </li>
 <li>
 Experience with TanStack Query (React Query) for server-state management.
 </li>
 <li>
 Familiarity with WebSocket for real-time data communication.
 </li>
 <li>
 Solid experience with Tailwind CSS and responsive UI development.
 </li>
 <li>
 Proficient in HTML, CSS, and modern JavaScript (ES6+).
 </li>
 <li>
 Strong focus on clean code, performance optimization, and scalable component architecture.
 </li>
 <li>
 Ability to translate Figma designs into high-quality, reusable, and responsive UI components.
 </li>
 <li>
 Experience with Git and Bitbucket, including code reviews and branching strategies.
 </li>
 <li>
 Preferably experienced with CI/CD pipelines and tools such as Jenkins.
 </li>
 </ul>
 
 
 
 
 
 As Agito, we care about your Personal Data Security.
 
 
 
 
 Please find the Personal Data Protection Information Notice from the link below.
 
 
 
 
 https://www.agito.com.tr/iletisim-formu-aydinlatma-metni
 
 
</div>

Senior Front-End Developer

Monkeys Team

<div>
 
 Monkeys Team olarak JR. Frontend Developer aray&inodot;&scedil;&inodot;m&inodot;z mevcut.
 
 
 
 
 
 
 Aranan Nitelikler:
 
 
 <ul>
 <li>
 React.js teknolojisi ile minimum 1 y&inodot;ll&inodot;k tecr&uuml;beye sahip olmak
 </li>
 <li>
 Di&gbreve;er JS web &ccedil;at&inodot;lar&inodot; (Astro vb.) hakk&inodot;nda bilgi ve deneyime sahip olmak (art&inodot; nitelik)
 </li>
 <li>
 MobX gibi state management ara&ccedil;lar&inodot; konusunda bilgi ve deneyime sahip olmak (art&inodot; nitelik)
 </li>
 <li>
 React-Native'de deneyime sahibi olmak (art&inodot; nitelik)
 </li>
 </ul>
 
 
 
 
 &Idot;lgilenen adaylar&inodot;n bana LinkedIn &uuml;zerinden ula&scedil;mas&inodot; ya da hello@monkeysteam.com adresine CV'lerini kendini tan&inodot;tan bir &ouml;n yaz&inodot; ile g&ouml;ndermeleri gerekmektedir.
 
</div>

iyzico

<div>
 
 
 iyzico
 
 
 
 iyzico was founded in 2013 to provide online payment services and artificial intelligence-based payment technologies to businesses of various sizes in the world of e-commerce. By making the complex payment processes simple through its easy and secure platform, iyzico had achieved significant successes through supporting thousands of businesses in digitalization and was acquired by the global payment systems giant PayU in 2019. With such a robust structure, iyzico is operating on the principle of democratizing financial services and making them accessible for everyone alongside the services it provides to businesses.
 
 
 Through iyzico Buyer Protection, consumers&rsquo; concerns regarding shopping online are resolved and better experiences are enabled. Control is handed back to the consumers by 24/7 live support through the iyzico mobile app and convenience in cancellation/returns processes. To this date, more than 2 million consumers shopped online under the security provided by iyzico Buyer Protection and this number is increasing daily. Via pay with iyzico, which is a blended payment solution, millions of consumers who do not use banking can safely shop online under the belt of iyzico Buyer Protection.
 
 
 iyzico continues to simplify online shopping for both consumers and sellers by the simple, accessible, and innovative technologies it developed.
 
 
 
 
 
 
 Key Responsibilities
 
 
 
 Develop scalable, high-volume performing, and reliable user-centric
 
 
 web &amp; mobile applications
 
 
 that operate 24x7,
 
 
 Engage with product managers, UX Experts, and business stakeholders to analyze requirements, develop ideas, and design solutions,
 
 
 Plan implementation and rollout system changes that meet requirements for functionality, performance, scalability, reliability, and adherence to development goals and principles,
 
 
 Make technical design decisions independently,
 
 
 Provide coding expertise and functional/technical support to other team members and encourage engineering best practices in the team and the larger department,
 
 
 
 
 
 
 Qualifications &amp; Experience
 
 
 
 BSc degree in Computer Science or related degree,
 
 
 Strong knowledge of data structures, algorithms, and software development principles,
 
 
 Demonstrated knowledge of all phases of the product lifecycle,
 
 
 Eagerness for quality and continuous improvement of processes,
 
 
 React Native &amp; GraphQL knowledge is a big plus,
 
 
 Experience working with modern mobile standards and technologies and can apply them to build fully responsive mobile apps,
 
 
 Experience in software engineering best practices for the full software development life cycle, including agile development, coding standards, code reviews, build processes, testing, and maintenance,
 
 
 Good understanding of API services with which the application needs to integrate,
 
 
 Strong understanding of UI/UX best practices and considerations,
 
 
 Can-do attitude and a willingness to take ownership of problems,
 
 
 
 
 
 
 What We Offer
 
 
 
 A culture of continuous development: conferences, in-house events to stay up-to-date on current trends and technology. (Everyone&rsquo;s encouraged to get on the stage and share expertise with teammates and the community)
 
 
 Online Training Platform (Free access to Udemy, Harvard ManageMentor, Getabstract, etc.
 
 
 Freedom under responsibility is our common mindset. That&rsquo;s how we designed our flexible working model called iyzico Homequarters. Our headquarter is in Altunizade
 
 
 An iyzicoMate is assigned to help you with anything you may need on your onboarding
 
 
 A detailed orientation program designed for you to fully grasp the iyzico culture
 
 
 Meal &amp; Internet Allowance
 
 
 Transportation Allowance
 
 
 A gift voucher to meet tech needs and ergonomic workspace at home
 
 
 Macbook
 
 
 Employee support program: free psychological counseling, legal advice, financial advice etc.
 
 
 Private health insurance,
 
 
 1 day birthday leave.
 
</div>

Software Engineer - Frontend

Seven Apps

<div>About the role:
As a React Developer, you will be instrumental in designing and developing responsive web applications. You will work closely with our design, development, and product teams to implement new features, ensure optimal performance, and deliver an outstanding user experience. 
 
**This is a full on-site position in Levent.**
Responsibilities: 
<ul>
<li>Develop robust web applications using React.js, ensuring high performance and responsiveness.</li>
<li>Collaborate with UI/UX designers to translate designs into functional web interfaces.</li>
<li>Integrate with RESTful APIs to manage data flow between the backend and frontend.</li>
<li>Conduct code reviews and help improve overall code quality and development processes.</li>
</ul>Requirements<ul>
<li>Proven experience as a React Developer with a strong portfolio of web applications.</li>
<li>Experience with Typescript, TailwindCSS, Tanstack Query is required.</li>
<li>Experience with NextJS, specifically App Directory and Server Actions paradigms.</li>
<li>Experience with state management libraries such as Zustand.</li>
<li>Knowledge of RESTful APIs and modern front-end build pipelines and tools.</li>
<li>Familiarity with version control systems such as Git.</li>
<li>Excellent problem-solving skills and attention to detail.</li>
<li>Ability to work collaboratively in a team environment.</li>
</ul>Benefits
<ul><li>Private Health Insurance: Stay covered with our comprehensive health plan.</li>
<li>Meal &amp; Transportation Allowance: Fuel your commute and appetite, stress-free!</li>
<li>Snacks &amp; Cozy Office Vibes: Work in a chill space stocked with treats you&rsquo;ll love.</li>
<li>Learning Stipend: Invest in yourself&mdash;we&rsquo;ll cover part of your growth journey!</li>
<li>Marriage Support: Celebrate your big day with our special financial contribution to mark the occasion.</li></ul></div>

React Developer - Web (Onsite)

Explore 686+ Front end software developer in Istanbul this December. Find roles across top companies and apply now to boost your career.

686 front end software developer jobs IN Istanbul

Frontend Developer

Frontend Developer

Senior Front-End Developer

Frontend Developer

Software Engineer - Frontend

Software Engineer - Frontend

React Developer - Web (Onsite)