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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)

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

Amaris Consulting

Job description
 
We are seeking a skilled and motivated Frontend Developer to join our team in building modern, scalable, and high-performing web applications. You’ll be working with a talented group of developers and designers to craft intuitive and responsive user interfaces using the latest technologies, including ReactJS, TypeScript, and JavaScript.
 
Responsibilities: 
Develop and maintain user interfaces with ReactJS and TypeScript
 Collaborate with cross-functional teams to define, design, and deliver new features
 Write clean, maintainable, and testable code
 Participate in code reviews and continuously improve development practices
 Contribute to UI/UX improvements across our products
 
Requirements: 
7+ years of experience building modern web applications
 Proficiency in ReactJS, TypeScript, and modern JavaScript (ES6+)
 Solid understanding of HTML5, CSS3, and responsive design
 Experience with state management libraries such as Redux, Context API, or similar
 Familiarity with Git and version control workflows
 Strong problem-solving skills and a collaborative mindset
 
If you're passionate about building seamless web experiences with modern tools and want to be part of a team that values clean code and collaboration, apply now and let’s create something great together. Join us in a hybrid role from our Istanbul office, combining remote flexibility with on-site collaboration.
 
Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We review applications from all qualified individuals regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or any other characteristic. Special consideration will be given to candidates with disabilities.
 
Who are we?
 Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1000 clients across the globe, we have been rolling out solutions in major projects for over a decade – this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines: Information System & Digital, Telecom, Life Sciences and Engineering. We’re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success.
 
At Amaris, we strive to provide our candidates with the best possible recruitment experience. We like to get to know our candidates, challenge them, and be able to give them proper feedback as quickly as possible. Here's what our recruitment process looks like:
 
Brief Call: Our process typically begins with a brief virtual/phone conversation to get to know you! The objective? Learn about you, understand your motivations, and make sure we have the right job for you!
 
Interviews (the average number of interviews is 3 - the number may vary depending on the level of seniority required for the position). During the interviews, you will meet people from our team: your line manager of course, but also other people related to your future role. We will talk in depth about you, your experience, and skills, but also about the position and what will be expected of you. Of course, you will also get to know Amaris: our culture, our roots, our teams, and your career opportunities!
 
Case study: Depending on the position, we may ask you to take a test. This could be a role play, a technical assessment, a problem-solving scenario, etc.
 
As you know, every person is different and so is every role in a company. That is why we have to adapt accordingly, and the process may differ slightly at times. However, please know that we always put ourselves in the candidate's shoes to ensure they have the best possible experience.
 We look forward to meeting you!

Frontend Developer (Hybrid)

Spica London

FRONTEND DEVELOPER İŞ İLANIPozisyon : Frontend GeliştiriciŞirket : SPİCA LONDONLokasyon : İstanbul / &Ccedil;ekmek&ouml;y&Ccedil;alışma Şekli : HibritPozisyon &Ouml;zetiSPİCA LONDON olarak, y&uuml;ksek performanslı, &ouml;l&ccedil;eklenebilir ve g&uuml;venli sistemler tasarlayıp geliştirecek deneyimli bir Frontend Developer arıyoruz. Eğer karmaşık teknolojik zorlukları &ccedil;&ouml;zmekten keyif alıyor, binlerce kullanıcıya ulaşan &uuml;r&uuml;nlerimizin arkasındaki g&uuml;c&uuml; oluşturmak istiyorsanız, yenilik&ccedil;i ekibimize katılın.Başvuru<ul><li>Başvurularınızı &ouml;zge&ccedil;mişiniz (CV) ve GitHub linkiniz ile birlikte info@spicalondon.com &uuml;zerinden iletebilirsiniz.</li><li>!!! Başvuru yapan adayların İstanbulda yaşaması ve GitHub hesabı olması kesin şarttır. GitHub hesabı olmayan ve İstanbulda İkamet etmeyen adayların başvuruları değerlendirilmeyecektir.</li></ul>Beklenen Nitelikler ve SorumluluklarBeklenen Nitelikler:<ul><li>Next.js ve React ile modern web uygulamaları geliştirebilen, component tabanlı mimariye hakim.</li><li>TypeScript kullanarak g&uuml;venli ve &ouml;l&ccedil;eklenebilir kod yazabilen.</li><li>Tailwind CSS ve Shadcn UI ile kullanıcı dostu, responsive ve şık aray&uuml;zler tasarlayabilen.</li><li>RESTful API&rsquo;ler ile &ccedil;alışabilen ve Swagger dok&uuml;mantasyonunu okuyup uygulayabilen.</li><li>Versiyon kontrol sistemleri (Git) konusunda deneyimli.</li><li>UI/UX temel prensiplerine hakim ve kullanıcı deneyimini &ouml;nemseyen.</li><li>Component k&uuml;t&uuml;phaneleri(Shadcn/ui vb.) ve state management ara&ccedil;ları (Context Api, Jotai vb.) hakkında bilgi sahibi.</li><li>Test yazma deneyimi (Jest, React Testing Library) olan.</li><li>Web performansı ve optimizasyon konularına dikkat eden.</li><li>CI/CD s&uuml;re&ccedil;lerine aşina.</li></ul>Tercih Sebebi Olcaak Nitelikler:<ul><li>Github Project gibi proje takip sistemleri kullanmış olmak.</li><li>Feature based mimari ile geliştirme yapabilmek.</li><li>tRPC ile deneyim sahibi olmak.</li><li>Figma daha &ouml;nce kullanmış olmak.</li></ul>Sorumluluklar<ul><li>Mevcut projelerde frontend geliştirme ve iyileştirme &ccedil;alışmalarına destek olmak.</li><li>Kod kalitesini ve performansını arttırmak i&ccedil;in &ccedil;alışmalara katkıda bulunmak.</li><li>Ekip ile iş birliği yaparak projelerin geliştirilmesine destek olmak.</li><li>Projeleri GitHub &uuml;zerinden takip etmek ve paylaşmak.</li></ul>Biz Ne Sunuyoruz ?<ul><li>Maaş g&ouml;r&uuml;şmede netleştirilecektir; yol ve yemek olanakları sağlanacaktır.</li><li>Modern teknoloji ve g&uuml;ncel framework&rsquo;lerle &ccedil;alışma imk&acirc;nı,</li><li>Kod kalitesi ve yazılım geliştirme s&uuml;re&ccedil;lerine &ouml;nem veren bir ekip ortamı,</li><li>Esnek &ccedil;alışma saatleri ve gerektiğinde uzaktan &ccedil;alışma se&ccedil;eneği,</li><li>Proje ve g&ouml;rev dağılımında sorumluluk ve inisiyatif alma fırsatı,</li><li>Takım i&ccedil;i bilgi paylaşımı ve teknik etkinliklere katılım imk&acirc;nı,</li><li>Startup/orta &ouml;l&ccedil;ekli projelerde doğrudan etki yaratma ve &ccedil;&ouml;z&uuml;m &uuml;retme fırsatı,</li><li>A&ccedil;ık iletişim ve şeffaf karar s&uuml;re&ccedil;lerine sahip destekleyici bir şirket k&uuml;lt&uuml;r&uuml;.</li></ul>İş T&uuml;r&uuml;: Tam zamanlıMaaş: 30.000,00TRY - 35.000,00TRY aylık

Frontend 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>

Medsien

<div>
 Medsien is the leading provider of scalable remote care management for a quality patient experience. Hundreds of organizations trust Medsien's unparalleled technology solutions to implement exceptional remote care management programs, personalize every interaction, and improve the lives of the people who need it most. Based in San Francisco and venture-backed by top-tier investors, Medsien was founded to reimagine remote care management.
 
 
 More than 60% of all U.S. adults&mdash;over 150 million people&mdash;live with at least one chronic condition, which requires dedicated, ongoing medical support outside the four walls of their doctor's office. And yet, only 20% of these patients have access to remote care from the comfort of their homes, putting their health at significant risk. Together, we can save lives and create a real impact.
 
 
 Medsien is a venture-backed healthcare SaaS company experiencing rapid growth and looking to expand our team. We are seeking an experienced, organized, motivated, and passionate
 
 Front-End Engineer
 
 to join our team of talented and inspiring developers in a fast-paced environment.
 
 
 As a
 
 Front-End Engineer
 
 , you'll work on new, exciting projects with complete autonomy. We're seeking a candidate who is passionate about building new applications from the ground up and who will join a growing team in developing products that enable providers to deliver high-quality services to their patients.
 
 
 
 As a Front-End Engineer, you will:
 
 
 
 <ul>
 <li>
 Collaborate with UX designers and backend engineers to develop and maintain responsive single-page applications using React.
 </li>
 <li>
 Provide technical guidance and mentorship.
 </li>
 <li>
 Optimize application performance.
 </li>
 <li>
 Develop and maintain reusable components and libraries.
 </li>
 <li>
 Write clean, well-documented code that is scalable and maintainable.
 </li>
 <li>
 Participate in code reviews and contribute to continuous improvement.
 </li>
 <li>
 Keep up-to-date with emerging front-end technologies and industry trends.
 </li>
 <li>
 Work closely with product managers to ensure the timely delivery of high-quality work.
 </li>
 <li>
 Collaborate with UI/UX designer to ensure designs are technically feasible and user-friendly.
 </li>
 <li>
 Understand how code fits into broader technical and/or business contexts.
 </li>
 <li>
 Actively participate in code review and technical design reviews.
 </li>
 <li>
 Work on medium to large projects.
 </li>
 <li>
 Participate in all system/component implementation and design from development to production.
 </li>
 <li>
 Research new technologies and prototype new ideas.
 </li>
 <li>
 Ensure high testability and quality of delivered software.
 </li>
 <li>
 Work with internal stakeholders to troubleshoot and fix defects in software.
 </li>
 <li>
 Participate in building Scrum processes and agile culture within the company.
 
 
 </li>
 </ul>
 
 Please apply if you have:
 
 
 
 <ul>
 <li>
 Minimum 4 years of Front-End Engineering experience,
 </li>
 <li>
 Strong knowledge and experience in front-end technologies, particularly React, Typescript, and Javascript.
 </li>
 <li>
 Experience working with Redux-toolkit for state management.
 </li>
 <li>
 Experience with integrating Restful APIs and WebSockets.
 </li>
 <li>
 Proficiency in MUI for creating visually appealing and responsive designs.
 </li>
 <li>
 Desire to write clean and reusable code to maintain high code quality.
 </li>
 <li>
 Ability to use Figma for creating Pixel-Perfect implementations.
 </li>
 <li>
 Familiarity with version control systems such as Git.
 </li>
 <li>
 Perfect English skills, both written and oral.
 </li>
 <li>
 Residence in central Istanbul.
 
 
 </li>
 </ul>
 
 For this position, we offer:
 
 
 
 <ul>
 <li>
 competitive USD salary and stock options,
 </li>
 <li>
 Flexible vacation and PTO policies,
 </li>
 <li>
 Fully remote work opportunities,
 </li>
 <li>
 Training, mentorship, and coaching from leadership.
 
 
 </li>
 </ul>
 Please bear in mind that:
 
 
 <ul>
 <li>
 This is a permanent-term contractor job opportunity with Medsien Inc.
 </li>
 <li>
 Due to in-person collaboration requirements, candidates based in Istanbul are preferred.
 </li>
 <li>
 All interviews will be conducted in English and the candidates having less than advanced level of English will be directly eliminated from the process regardless of their technical skills and expertise.
 
 
 </li>
 </ul>
 
 Our Process
 
 
 
 We will review your application along with all the others we receive and pick the top profiles for a screening call. In many cases due to time constraints and our candidate volume, only the short-listed candidates are contacted but we do consider each application carefully. If you have been selected as a short-listed candidate, we will contact you for a short screening call to get to know you better. If you don't get a call, please don't be disappointed! We receive many applications for each role and must prioritize who we speak to.
 
 
 Employment at
 
 Medsien
 
 is based solely on a person's merit and qualifications. We are committed to providing equal employment opportunity regardless of sex, age, race, color, national or ethnic origin, religion, marital status, pregnancy, sexual orientation, gender identity or expression, disability, age, citizenship, veteran or military status, and other legally protected characteristics.
 
 
 
 Thank you for taking the time to apply for a position at Medsien!
 
 
 
 Please visit the below links for GDPR details:
 
 
 https://www.medsien.com/legal/employee-candidate-information-notice
 
 
 https://www.medsien.com/legal/employee-candidate-explicit-consent-statement
</div>

Senior Front-End Engineer

Medsien Inc.

<div>Medsien is the leading provider of scalable remote care management for a quality patient experience. Hundreds of organizations trust Medsien's unparalleled technology solutions to implement exceptional remote care management programs, personalize every interaction, and improve the lives of the people who need it most. Based in San Francisco and venture-backed by top-tier investors, Medsien was founded to reimagine remote care management.

More than 60% of all U.S. adults&mdash;over 150 million people&mdash;live with at least one chronic condition, which requires dedicated, ongoing medical support outside the four walls of their doctor's office. And yet, only 20% of these patients have access to remote care from the comfort of their homes, putting their health at significant risk. Together, we can save lives and create a real impact.

Medsien is a venture-backed healthcare SaaS company experiencing rapid growth and looking to expand our team. We are seeking an experienced, organized, motivated, and passionate Front-End Engineer to join our team of talented and inspiring developers in a fast-paced environment.

As a Front-End Engineer, you'll work on new, exciting projects with complete autonomy. We're seeking a candidate who is passionate about building new applications from the ground up and who will join a growing team in developing products that enable providers to deliver high-quality services to their patients.

As a Front-End Engineer, you will:
<ul>
<li>Collaborate with UX designers and backend engineers to develop and maintain responsive single-page applications using React.</li>
<li>Provide technical guidance and mentorship.</li>
<li>Optimize application performance.</li>
<li>Develop and maintain reusable components and libraries.</li>
<li>Write clean, well-documented code that is scalable and maintainable.</li>
<li>Participate in code reviews and contribute to continuous improvement.</li>
<li>Keep up-to-date with emerging front-end technologies and industry trends.</li>
<li>Work closely with product managers to ensure the timely delivery of high-quality work.</li>
<li>Collaborate with UI/UX designer to ensure designs are technically feasible and user-friendly.</li>
<li>Understand how code fits into broader technical and/or business contexts.</li>
<li>Actively participate in code review and technical design reviews.</li>
<li>Work on medium to large projects.</li>
<li>Participate in all system/component implementation and design from development to production.</li>
<li>Research new technologies and prototype new ideas.</li>
<li>Ensure high testability and quality of delivered software.</li>
<li>Work with internal stakeholders to troubleshoot and fix defects in software.</li>
<li>Participate in building Scrum processes and agile culture within the company.</li>
</ul>
Please apply if you have:
<ul>
<li>Minimum 4 years of Front-End Engineering experience,</li>
<li>Strong knowledge and experience in front-end technologies, particularly React, Typescript, and Javascript.</li>
<li>Experience working with Redux-toolkit for state management.</li>
<li>Experience with integrating Restful APIs and WebSockets.</li>
<li>Proficiency in MUI for creating visually appealing and responsive designs.</li>
<li>Desire to write clean and reusable code to maintain high code quality.</li>
<li>Ability to use Figma for creating Pixel-Perfect implementations.</li>
<li>Familiarity with version control systems such as Git.</li>
<li>Perfect English skills, both written and oral.</li>
<li>Residence in central Istanbul.</li>
</ul>
For this position, we offer:
<ul>
<li>competitive USD salary and stock options,</li>
<li>Flexible vacation and PTO policies,</li>
<li>Fully remote work opportunities,</li>
<li>Training, mentorship, and coaching from leadership.</li>
</ul>
Please bear in mind that:
<ul>
<li>This is a permanent-term contractor job opportunity with Medsien Inc.
</li><li>Due to in-person collaboration requirements, candidates based in Istanbul are preferred.</li>
<li>All interviews will be conducted in English and the candidates having less than advanced level of English will be directly eliminated from the process regardless of their technical skills and expertise.</li>
</ul>
Our Process

We will review your application along with all the others we receive and pick the top profiles for a screening call. In many cases due to time constraints and our candidate volume, only the short-listed candidates are contacted but we do consider each application carefully. If you have been selected as a short-listed candidate, we will contact you for a short screening call to get to know you better. If you don't get a call, please don't be disappointed! We receive many applications for each role and must prioritize who we speak to.

Employment at Medsien is based solely on a person's merit and qualifications. We are committed to providing equal employment opportunity regardless of sex, age, race, color, national or ethnic origin, religion, marital status, pregnancy, sexual orientation, gender identity or expression, disability, age, citizenship, veteran or military status, and other legally protected characteristics.

Thank you for taking the time to apply for a position at Medsien!

Please visit the below links for GDPR details:

https://www.medsien.com/legal/employee-candidate-information-notice

https://www.medsien.com/legal/employee-candidate-explicit-consent-statement</div>

Explore 474+ Front end web developer in Istanbul this December. Find roles across top companies and apply now to boost your career.

474 front end web developer jobs IN Istanbul

React Developer - Web (Onsite)

Senior Front-End Developer

Frontend Developer (Hybrid)

Frontend Developer

Frontend Developer

Senior Front-End Engineer

Senior Front-End Engineer