backend developer

frontend developer

senior frontend developer Jobs in Istanbul

senior frontend developer

software developer

software development engineer Jobs in Istanbul

software development engineer

senior front end developer

BiBuyTech

<div>
 
 BiBuyTech A.&Scedil;. olarak kendi b&uuml;nyemizde geli&scedil;tirdi&gbreve;imiz, AI Agent Otonom tabanl&inodot;,&nbsp;Stratejik Sat&inodot;n Alma ve BI &Idot;&scedil; Zek&acirc;s&inodot;&rdquo; Cloud &uuml;r&uuml;n&uuml;m&uuml;z&uuml;n geli&scedil;tirilmesinde, belirli s&uuml;reli, kontratl&inodot; uzaktan &ccedil;al&inodot;&scedil;acak freelance Senior Frontend Developer aray&inodot;&scedil;&inodot;m&inodot;z vard&inodot;r.
 
 
 
 
 
 
 (&Ouml;zet Profil)
 
 
 
 
 &bull; B2B SaaS&rsquo;ta veri-yo&gbreve;un ve ger&ccedil;ek-zamanl&inodot; aray&uuml;z tecr&uuml;besi; Next.js App Router (SSR/ISR), React + TS&rsquo;te uzman. TanStack Query, RHF + Zod, WebSocket/SSE, ECharts/benzeri, Playwright ve A11y/i18n pratiklerini &ldquo;&uuml;r&uuml;nle&scedil;ebilir FE mimarisi&rdquo; i&ccedil;inde uygular. Design tokens ve perf budget ile &ccedil;al&inodot;&scedil;&inodot;r.
 
 
 
 
 
 
 
 &Uuml;r&uuml;n zihniyeti y&uuml;ksek; trade-off konu&scedil;ur, &ldquo;okunabilir mimari + net data-flow&rdquo; kurar.
 
 
 
 
 
 
 
 Zorunlu Yetkinlikler (Must-Have)
 
 
 
 
 &bull; React + TypeScript + Next.js (App Router, SSR/ISR), Suspense/streaming ve cache invalidation stratejileri.
 
 
 
 
 
 
 
 &bull; State/Data: TanStack/RTK Query, global state (Zustand/Redux), optimistic update.
 
 
 
 
 &bull; Ger&ccedil;ek-zamanl&inodot;: WebSocket/SSE; reconnection + last-known-good-state; stale-less UI.
 
 
 
 
 &bull; Form &amp; &Scedil;ema: React Hook Form + Zod (kompleks RFQ/CLM formlar&inodot;).
 
 
 
 
 &bull; Grafikler: ECharts/Highcharts/D3 ile b&uuml;y&uuml;k veri &uuml;zerinde interaktif paneller.
 
 
 
 
 &bull; Test: Jest/RTL + Playwright e2e (kritik ak&inodot;&scedil;lar); Lighthouse/Web Vitals oda&gbreve;&inodot;.
 
 
 
 
 &bull; A11y &amp; i18n: WCAG 2.1 AA, RTL/LTR; tr-en. ￼
 
 
 
 
 &bull; G&uuml;venlik &amp; Yetkilendirme: OAuth2/OIDC, RBAC, XSS/CSRF bilin&ccedil;li UI.
 
 
 
 
 
 
 
 Art&inodot;lar: Micro-frontend (Module Federation), Storybook + tasar&inodot;m sistemi, Tailwind/MUI, NextAuth/OAuth, BI domain bilgisi.
 
 
 
 
 
 
 
 Ana Sorumluluklar
 
 
 
 
 &bull; RFQ kar&scedil;&inodot;la&scedil;t&inodot;rma, E-&Idot;hale canl&inodot; ak&inodot;&scedil; (latency hedefleriyle), BI dashboard (SSE/WebSocket).
 
 
 
 
 &bull; Design system ve token mimarisi; RBAC g&ouml;r&uuml;n&uuml;rl&uuml;k/i&scedil;lem guard&rsquo;lar&inodot;; perf &amp; observability. ￼ ￼
 
 
 
 
 
 
 
 G&uuml;n Ba&scedil;ar&inodot; Kriterleri (KPI)
 
 
 
 
 &bull; : Design system + auth/guard iskeleti + RFQ tablo MVP (statik). ￼
 
 
 
 
 &bull; : Canl&inodot; RFQ (WebSocket) + AI a&ccedil;&inodot;klama paneli + BI v1 (KPI widget&rsquo;lar&inodot;). ￼
 
 
 
 
 &bull; : E-&Idot;hale canl&inodot; ak&inodot;&scedil;, raporlar, perf budget, e2e hatt&inodot;, observability. ￼
 
 
 
 
 &bull; S&uuml;rekli hedefler: Lighthouse +, p95 TTFB &lt;500ms (SSR), p95 WS RT &lt;150ms, A11y ihlali &ldquo;0&rdquo;.
 
 
</div>

Senior Frontend Developer

SETCARD

<div>
 
 
 &ldquo;Setcard&rsquo;da Gelecek Seninle &Scedil;ekillenecek!&rdquo;
 
 
 
 
 
 
 25 y&inodot;ll&inodot;k deneyimimiz, g&uuml;&ccedil;l&uuml; finansal altyap&inodot;m&inodot;z ve teknolojiye olan yat&inodot;r&inodot;mlar&inodot;m&inodot;zla gelece&gbreve;i birlikte tasarl&inodot;yoruz.
 
 
 
 
 
 Setcard olarak; yemek kart&inodot;, esnek yan haklar (Flexlife), filo y&ouml;netimi, yak&inodot;t ve konaklama &ccedil;&ouml;z&uuml;mleri ile 60.000&rsquo;den fazla &uuml;ye i&scedil;yerine, binlerce kurumsal m&uuml;&scedil;teriye ve y&uuml;zbinlerce kullan&inodot;c&inodot;ya hizmet sunuyoruz.
 
 
 
 
 
 Kurumlara tasarruf ve verimlilik, &ccedil;al&inodot;&scedil;anlara ise esneklik ve kolayl&inodot;k sa&gbreve;layan bu dijital ekosistemin par&ccedil;as&inodot; olmak ister misiniz?
 
 
 
 
 
 Bilgi Teknolojileri Departman&inodot;m&inodot;z&inodot;n Yaz&inodot;l&inodot;m Geli&scedil;tirme ekibimizde g&ouml;rev alacak &ldquo;
 
 Senior FrontEnd
 
 
 Developer&rdquo;
 
 pozisyonu i&ccedil;in yeni ekip arkada&scedil;lar&inodot;m&inodot;z&inodot; ar&inodot;yoruz.
 
 
 
 
 
 
 
 
 
 Ki&scedil;isel Nitelikler
 
 
 
 
 
 <ul>
 <li>
 Bilgisayar M&uuml;hendisli&gbreve;i, Yaz&inodot;l&inodot;m M&uuml;hendisli&gbreve;i veya ilgili alanlarda Lisans/Y&uuml;ksek Lisans mezunu olmak.
 </li>
 <li>
 React.js ile en az
 
 4&ndash;5 y&inodot;l
 
 aktif geli&scedil;tirme deneyimine sahip olmak.
 </li>
 <li>
 Kurumsal projelerde mimari sorumluluk alm&inodot;&scedil; veya teknik liderlik yapm&inodot;&scedil; olmak.
 </li>
 <li>
 Modern JavaScript (ES6+) ve TypeScript konusunda uzman olmak.
 </li>
 <li>
 React mimarileri (component-based yap&inodot;, lazy loading, code splitting, SSR/CSR/hydration) konusunda deneyim sahibi olmak.
 </li>
 <li>
 Redux Toolkit, Zustand, React Query gibi state management ara&ccedil;lar&inodot;nda ileri d&uuml;zey bilgiye sahip olmalk.
 </li>
 <li>
 Next.js, Vite, Webpack gibi modern framework ve build ara&ccedil;lar&inodot;na h&acirc;kim olmak.
 </li>
 <li>
 Jest, React Testing Library gibi ara&ccedil;larla unit ve component testi yazabilmek.
 </li>
 <li>
 Storybook, TailwindCSS, Styled Components gibi UI sistemleriyle &ccedil;al&inodot;&scedil;m&inodot;&scedil; olmak.
 </li>
 <li>
 REST API&rsquo;leriyle &ccedil;al&inodot;&scedil;m&inodot;&scedil;, tercihen GraphQL deneyimine sahip olmak.
 </li>
 <li>
 CI/CD s&uuml;re&ccedil;lerine a&scedil;ina, Git ve Git Flow konusunda yetkin olmak.
 </li>
 <li>
 Web performans&inodot;, eri&scedil;ilebilirlik (a11y) ve SEO konular&inodot;nda bilgi sahibi olmak.
 </li>
 <li>
 Kod inceleme s&uuml;re&ccedil;lerini y&ouml;neten, teknik standartlar&inodot; olu&scedil;turma konusunda tecr&uuml;beli olmak.
 </li>
 <li>
 Tak&inodot;m y&ouml;netimi, planlama, teknik d&ouml;k&uuml;mantasyon ve ileti&scedil;im konular&inodot;nda g&uuml;&ccedil;l&uuml; olmak.
 </li>
 <li>
 Teknik dok&uuml;mantasyonu takip edebilecek d&uuml;zeyde &Idot;ngilizce bilgisine sahip olmak.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 G&ouml;rev Tan&inodot;m&inodot;
 
 
 
 
 
 <ul>
 <li>
 React ile kurumsal d&uuml;zeyde modern web uygulamalar&inodot; geli&scedil;tirmek,
 </li>
 <li>
 Frontend mimarisini kurmak, optimize etmek ve teknik karar s&uuml;re&ccedil;lerinde liderlik etmek,
 </li>
 <li>
 Performans ve kullan&inodot;c&inodot; deneyimini (UX) iyile&scedil;tiren &ccedil;&ouml;z&uuml;mler &uuml;retmek,
 </li>
 <li>
 UI/UX ekipleriyle yak&inodot;n &ccedil;al&inodot;&scedil;arak component-based yap&inodot;lar geli&scedil;tirmek,
 </li>
 <li>
 Kod kalitesi, test kapsam&inodot; ve code review s&uuml;re&ccedil;lerine &ouml;nc&uuml;l&uuml;k etmek,
 </li>
 <li>
 Junior ve Mid-Level frontend geli&scedil;tiricilere teknik mentorluk sa&gbreve;lamak,
 </li>
 <li>
 G&uuml;ncel frontend teknolojilerini ve trendlerini takip ederek tak&inodot;ma entegre etmek,
 </li>
 <li>
 Backend ekipleriyle entegrasyon ve API s&ouml;zle&scedil;melerini y&ouml;netmek.
 </li>
 </ul>
 
 
</div>

Turkcell

<div>
 
 Turkcell olarak yeteneklerimize e&scedil;siz insan deneyimi ya&scedil;atarak, de&gbreve;er yaratan s&uuml;rd&uuml;r&uuml;lebilir bir organizasyon in&scedil;a etmeyi ve i&scedil;veren markam&inodot;z&inodot; zirveye ta&scedil;&inodot;may&inodot; hedefliyoruz. Bu hedef do&gbreve;rultusunda benimsedi&gbreve;imiz de&gbreve;erlerimizi i&scedil; yap&inodot;&scedil; bi&ccedil;imlerimize yans&inodot;t&inodot;yoruz.
 
 
 
 
 
 
 
 Turkcell&rsquo;de Neye De&gbreve;er Veriyoruz?
 
 
 
 
 
 &Idot;nsan Odakl&inodot;l&inodot;k:
 
 E&scedil;siz insan deneyimi olu&scedil;turmak amac&inodot;yla uygulamalar&inodot;m&inodot;z&inodot;n merkezinde insan&inodot; konumluyor, &ccedil;al&inodot;&scedil;anlar&inodot;m&inodot;z&inodot;n potansiyelini en &uuml;st d&uuml;zeye &ccedil;&inodot;karmay&inodot; ve onlar&inodot;n yeteneklerini geli&scedil;tirmeyi hedefliyoruz.
 
 
 
 Yenilik:
 
 &Idot;nsanlar&inodot;n hayat&inodot;nda fark yaratan yenilik&ccedil;i &ccedil;&ouml;z&uuml;mler &uuml;retmek, fikir ve teknolojileri ke&scedil;fetmek i&ccedil;in tutkulu bir &scedil;ekilde &ccedil;al&inodot;&scedil;&inodot;yoruz.
 
 🚀
 
 
 
 
 M&uuml;kemmellik:
 
 Dahil oldu&gbreve;umuz ve temas etti&gbreve;imiz her noktada m&uuml;kemmelliyeti hedefliyor, kendimize y&uuml;ksek standartlar belirliyor, ola&gbreve;an&uuml;st&uuml; sonu&ccedil;lar elde ediyoruz.
 
 🎯👌🏼
 
 
 
 
 &Idot;&scedil; Birli&gbreve;i:
 
 Ba&scedil;ar&inodot;n&inodot;n anahtar&inodot; olarak birlikte &ccedil;al&inodot;&scedil;may&inodot;, sayg&inodot; ve &scedil;effafl&inodot;k k&uuml;lt&uuml;r&uuml;n&uuml; te&scedil;vik ediyoruz. 👥🔗🧩
 
 
 
 M&uuml;&scedil;teri Odakl&inodot;l&inodot;k:
 
 M&uuml;&scedil;terilerimizin ihtiya&ccedil;lar&inodot;n&inodot; merkeze koyarak ola&gbreve;an&uuml;st&uuml; m&uuml;&scedil;teri deneyimleri sunmay&inodot; hedefliyoruz. 🤝🖇️
 
 
 
 S&uuml;rd&uuml;r&uuml;lebilirlik:
 
 M&uuml;&scedil;terilerimiz, &ccedil;al&inodot;&scedil;anlar&inodot;m&inodot;z ve d&uuml;nyam&inodot;z i&ccedil;in s&uuml;rd&uuml;r&uuml;lebilir bir gelecek amac&inodot;yla &ccedil;al&inodot;&scedil;&inodot;yoruz.
 
 🌍
 
 
 
 
 
 
 
 
 Ne Bekliyoruz?
 
 
 
 <ul>
 <li>
 &Uuml;niversitelerin ilgili 4 y&inodot;ll&inodot;k b&ouml;l&uuml;mlerinden mezun,
 </li>
 <li>
 Minimum 3 y&inodot;l Java ve Spring Boot Framework deneyimi olan,
 </li>
 <li>
 REST /SOAP/gRPC/Stateless API ve microservice mimarilerinde tecr&uuml;beli,
 </li>
 <li>
 Caching metodolojilerine hakim (Redis+),
 </li>
 <li>
 Search domain teknolojileri (ElasticSearch, RedisSearch plus) hakk&inodot;nda bilgi sahibi,
 </li>
 <li>
 Event-driven mimari konusunda deneyimli (Kafka+),
 </li>
 <li>
 Unit test s&uuml;re&ccedil;lerine hakim,
 </li>
 <li>
 CI/CD ara&ccedil;lar&inodot;nda tecr&uuml;beli,
 </li>
 <li>
 Container mimariler &uuml;zerinde &ccedil;al&inodot;&scedil;ma deneyimli (Docker, Kubernetes, Openshift),
 </li>
 <li>
 &Ccedil;evik &ccedil;al&inodot;&scedil;ma y&ouml;ntemlerini (Scrum/Kanban) benimsemi&scedil;,
 </li>
 <li>
 Yatay organizasyon yap&inodot;s&inodot;nda, &ccedil;evik bir ekip k&uuml;lt&uuml;r&uuml;ne uyum sa&gbreve;layabilen,
 </li>
 <li>
 Planl&inodot; olan, s&uuml;rekli &ouml;&gbreve;renen ve &ouml;&gbreve;rendiklerini payla&scedil;an,
 </li>
 <li>
 Y&uuml;ksek trafik alan uygulamalarda deneyim kazanmay&inodot; isteyen,
 </li>
 <li>
 Bireysel motivasyonu y&uuml;ksek, &ouml;&gbreve;renmeye ve geli&scedil;ime a&ccedil;&inodot;k, tak&inodot;m &ccedil;al&inodot;&scedil;mas&inodot;na yatk&inodot;n,
 </li>
 <li>
 G&uuml;&ccedil;l&uuml; analitik d&uuml;&scedil;&uuml;nme, problem &ccedil;&ouml;zme ve inisiyatif alma becerisine sahip,
 </li>
 <li>
 &Idot;novatif bak&inodot;&scedil; a&ccedil;&inodot;s&inodot;yla yarat&inodot;c&inodot; &ccedil;&ouml;z&uuml;mler &uuml;retebilen,
 </li>
 <li>
 S&ouml;zl&uuml; ve yaz&inodot;l&inodot; ileti&scedil;im becerileri g&uuml;&ccedil;l&uuml;.
 </li>
 </ul>
 
 
 
 
 
 
 Turkcell&rsquo;de Senior Developer Rol&uuml; Ne Yapar?
 
 
 
 <ul>
 <li>
 Turkcell Dijital Kanallar &uuml;zerinden y&uuml;r&uuml;t&uuml;len geli&scedil;tirmelerin teknik tasar&inodot;m ve yaz&inodot;l&inodot;m s&uuml;re&ccedil;lerinden sorumludur,
 </li>
 <li>
 Mimari kararlara y&ouml;n verecek teknolojik trendleri takip eder performans gereksinimlerini belirler,
 </li>
 <li>
 &Uuml;r&uuml;n geli&scedil;tirme s&uuml;recinin u&ccedil;tan uca kalitesine katk&inodot; sa&gbreve;lar ve test s&uuml;re&ccedil;lerini destekler,
 </li>
 <li>
 Servislerin geli&scedil;tirilmesi, hatalar&inodot;n&inodot;n giderilmesi, KPI takibi ve operasyonel devir s&uuml;re&ccedil;lerinden sorumludur,
 </li>
 <li>
 Geli&scedil;tirilen uygulamalar&inodot;n devreye al&inodot;nma s&uuml;re&ccedil;lerini koordine eder ve gerekti&gbreve;inde teknik destek verir,
 </li>
 <li>
 &Uuml;r&uuml;n ve &ccedil;&ouml;z&uuml;mlerin yaz&inodot;l&inodot;m mimarisini, teknik ve fonksiyonel yol haritas&inodot;n&inodot; belirler, t&uuml;m yaz&inodot;l&inodot;m ve geli&scedil;tirme ya&scedil;am d&ouml;ng&uuml;s&uuml;nden (SDLC - yarat&inodot;lmas&inodot;, ya&scedil;at&inodot;lmas&inodot; ve gerekti&gbreve;inde d&ouml;n&uuml;&scedil;t&uuml;r&uuml;lmesi ya da sonland&inodot;r&inodot;lmas&inodot;) sorumludur,
 </li>
 <li>
 M&uuml;&scedil;teri i&scedil; ihtiya&ccedil;lar&inodot; do&gbreve;rultusunda, &uuml;r&uuml;n ve &ccedil;&ouml;z&uuml;mleri geli&scedil;tirir. &Idot;&scedil; birimlerinden gelen taleplerin tasar&inodot;m-geli&scedil;tirme safhalar&inodot;n&inodot;n m&uuml;&scedil;teri odakl&inodot; ve rekabete uygun h&inodot;zda ard&inodot; ard&inodot;na geli&scedil;tirilmesini sa&gbreve;lar,
 </li>
 <li>
 Sorumlusu oldu&gbreve;u altyap&inodot;lar ile ilgili s&uuml;re&ccedil;lere ili&scedil;kin ihtiya&ccedil;lar&inodot;n analiz incelemesini (review&rsquo;unu) ger&ccedil;ekle&scedil;tirir, teknik tasar&inodot;mlar&inodot; olu&scedil;turur, proje planlar&inodot;n&inodot; detayland&inodot;r&inodot;r, geli&scedil;tirme (development) faz&inodot;n&inodot; y&uuml;r&uuml;t&uuml;r ve test destek a&scedil;amalar&inodot;nda g&ouml;rev al&inodot;r.
 </li>
 <li>
 Devreye al&inodot;m sonras&inodot; destek ve kod de&gbreve;i&scedil;ikli&gbreve;i gerektiren konularda ilgili yaz&inodot;l&inodot;mlar&inodot;n ger&ccedil;ekle&scedil;tirilmesinden sorumludur,
 </li>
 <li>
 Sorumlu oldu&gbreve;u sistemler ve geli&scedil;tirmeler i&ccedil;in gerekli olan yat&inodot;r&inodot;m b&uuml;t&ccedil;esini planlar ve y&uuml;r&uuml;t&uuml;r,
 </li>
 <li>
 Uygulanabilir teknoloji, &uuml;r&uuml;n ve &ccedil;&ouml;z&uuml;mlerin olu&scedil;turulmas&inodot;na y&ouml;nelik &ouml;ncelikle Turkcell Grup ihtiyac&inodot;n&inodot;n yarat&inodot;lmas&inodot; ve ticari &ccedil;&ouml;z&uuml;mlerin geli&scedil;tirilmesi ve uygulanmas&inodot;ndan sorumludur,
 </li>
 <li>
 AR-GE vizyonu kapsam&inodot;nda &uuml;r&uuml;nle&scedil;tirme f&inodot;rsatlar&inodot;n&inodot; b&uuml;t&uuml;nsel bir bak&inodot;&scedil; a&ccedil;&inodot;s&inodot; ile g&ouml;zetir ve gerekli yat&inodot;r&inodot;mlara karar verir,
 </li>
 <li>
 Sorumluluk alan&inodot;ndaki vizyon, hedef ve stratejileri belirler,
 </li>
 <li>
 Uygulama yol haritalar&inodot;n&inodot;n ve uygulama plan&inodot;n&inodot;n gerektirdi&gbreve;i kararlar&inodot;n&inodot;n al&inodot;nmas&inodot;n&inodot; sa&gbreve;lar ve takibini yapar.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 
 Yan Haklar ve Faydalar
 
 
 
 
 Ekibimizin bir &uuml;yesi olarak, rekabet&ccedil;i bir &uuml;cret, esnek &ccedil;al&inodot;&scedil;ma d&uuml;zenlemeleri, kariyer geli&scedil;imi ve ilerleme f&inodot;rsatlar&inodot; gibi bir dizi yan hak ve fayda ile bulu&scedil;ma f&inodot;rsat&inodot; yakalayacaks&inodot;n. Detaylara "https://bit.ly/TurkcellTKusagi&rsquo;&rsquo; &uuml;zerinden ula&scedil;abilirsin. 🎁▶️
 
 
 
 
 
 
 *Turkcell bir e&scedil;it f&inodot;rsat i&scedil;verenidir ve &inodot;rka, renge, dine, cinsiyete, ulusal k&ouml;kene, etnik k&ouml;kene, ya&scedil;a, fiziksel g&ouml;r&uuml;n&uuml;&scedil;e veya duruma, medeni durumuna, askerlik durumuna bak&inodot;lmaks&inodot;z&inodot;n, t&uuml;m nitelikli ba&scedil;vuru sahiplerini istihdam i&ccedil;in de&gbreve;erlendirmeye al&inodot;r.
 
 
</div>

SENIOR DEVELOPER (BACKEND)

<div>
 
 Turkcell olarak yeteneklerimize e&scedil;siz insan deneyimi ya&scedil;atarak, de&gbreve;er yaratan s&uuml;rd&uuml;r&uuml;lebilir bir organizasyon in&scedil;a etmeyi ve i&scedil;veren markam&inodot;z&inodot; zirveye ta&scedil;&inodot;may&inodot; hedefliyoruz. Bu hedef do&gbreve;rultusunda benimsedi&gbreve;imiz de&gbreve;erlerimizi i&scedil; yap&inodot;&scedil; bi&ccedil;imlerimize yans&inodot;t&inodot;yoruz.
 
 
 
 
 
 
 
 Turkcell&rsquo;de Neye De&gbreve;er Veriyoruz?
 
 
 
 
 
 &Idot;nsan Odakl&inodot;l&inodot;k:
 
 E&scedil;siz insan deneyimi olu&scedil;turmak amac&inodot;yla uygulamalar&inodot;m&inodot;z&inodot;n merkezinde insan&inodot; konumluyor, &ccedil;al&inodot;&scedil;anlar&inodot;m&inodot;z&inodot;n potansiyelini en &uuml;st d&uuml;zeye &ccedil;&inodot;karmay&inodot; ve onlar&inodot;n yeteneklerini geli&scedil;tirmeyi hedefliyoruz.
 
 
 
 Yenilik:
 
 &Idot;nsanlar&inodot;n hayat&inodot;nda fark yaratan yenilik&ccedil;i &ccedil;&ouml;z&uuml;mler &uuml;retmek, fikir ve teknolojileri ke&scedil;fetmek i&ccedil;in tutkulu bir &scedil;ekilde &ccedil;al&inodot;&scedil;&inodot;yoruz.
 
 🚀
 
 
 
 
 M&uuml;kemmellik:
 
 Dahil oldu&gbreve;umuz ve temas etti&gbreve;imiz her noktada m&uuml;kemmelliyeti hedefliyor, kendimize y&uuml;ksek standartlar belirliyor, ola&gbreve;an&uuml;st&uuml; sonu&ccedil;lar elde ediyoruz.
 
 🎯👌🏼
 
 
 
 
 &Idot;&scedil; Birli&gbreve;i:
 
 Ba&scedil;ar&inodot;n&inodot;n anahtar&inodot; olarak birlikte &ccedil;al&inodot;&scedil;may&inodot;, sayg&inodot; ve &scedil;effafl&inodot;k k&uuml;lt&uuml;r&uuml;n&uuml; te&scedil;vik ediyoruz. 👥🔗🧩
 
 
 
 M&uuml;&scedil;teri Odakl&inodot;l&inodot;k:
 
 M&uuml;&scedil;terilerimizin ihtiya&ccedil;lar&inodot;n&inodot; merkeze koyarak ola&gbreve;an&uuml;st&uuml; m&uuml;&scedil;teri deneyimleri sunmay&inodot; hedefliyoruz. 🤝🖇️
 
 
 
 S&uuml;rd&uuml;r&uuml;lebilirlik:
 
 M&uuml;&scedil;terilerimiz, &ccedil;al&inodot;&scedil;anlar&inodot;m&inodot;z ve d&uuml;nyam&inodot;z i&ccedil;in s&uuml;rd&uuml;r&uuml;lebilir bir gelecek amac&inodot;yla &ccedil;al&inodot;&scedil;&inodot;yoruz.
 
 🌍
 
 
 
 
 
 
 
 
 Ne Bekliyoruz?
 
 
 
 <ul>
 <li>
 &Uuml;niversitelerin Bilgisayar, Yaz&inodot;l&inodot;m, Elektronik, Telekom&uuml;nikasyon M&uuml;hendisli&gbreve;i veya Bilgisayar Bilimleri b&ouml;l&uuml;mlerinden mezun olan,
 </li>
 <li>
 En az 5+ y&inodot;l React &amp; Next.js ile &ouml;l&ccedil;eklenebilir, y&uuml;ksek performansl&inodot; frontend uygulamalar&inodot; geli&scedil;tirmi&scedil;,
 </li>
 <li>
 TypeScript ile g&uuml;&ccedil;l&uuml; tip g&uuml;venli&gbreve;i sa&gbreve;layarak maintainable kod yazabilen,
 </li>
 <li>
 Redux, Redux Toolkit, React Query gibi state management k&uuml;t&uuml;phanelerini etkin &scedil;ekilde kullanabilen,
 </li>
 <li>
 SCSS/SASS ve modern CSS mimarileri (BEM, CSS Modules, Utility-first) konusunda yetkin,
 </li>
 <li>
 NX Monorepo yap&inodot;s&inodot;nda mod&uuml;ler, yeniden kullan&inodot;labilir k&uuml;t&uuml;phaneler ve micro-frontend &ccedil;&ouml;z&uuml;mleri geli&scedil;tirmi&scedil;,
 </li>
 <li>
 REST/stateless API ve microservice mimarilerinde &ccedil;al&inodot;&scedil;m&inodot;&scedil;,
 </li>
 <li>
 CI/CD s&uuml;re&ccedil;lerinde, &ouml;zellikle Jenkins pipeline y&ouml;netiminde tecr&uuml;beli,
 </li>
 <li>
 Git ile versiyon kontrol&uuml; konusunda yetkin ve Gitflow/Trunk-Based Development gibi ak&inodot;&scedil;lara hakim,
 </li>
 <li>
 Sentry, Datadog, Dynatrace gibi ara&ccedil;larla frontend hata takibi ve performans izleme konular&inodot;nda bilgi sahibi,
 </li>
 <li>
 Performans, g&uuml;venlik ve accessibility standartlar&inodot;n&inodot; belirleyip uygulayabilen,
 </li>
 <li>
 Kod inceleme s&uuml;re&ccedil;lerinde aktif rol alarak best practice&rsquo;leri ekibe yayabilen,
 </li>
 <li>
 &Uuml;r&uuml;n ve tasar&inodot;m ekipleriyle yak&inodot;n &ccedil;al&inodot;&scedil;arak teknik kararlar&inodot; i&scedil; hedefleriyle uyumlu hale getirebilen,
 </li>
 <li>
 Junior/mid seviye geli&scedil;tiricilere mentorluk ve teknik rehberlik sa&gbreve;layabilen,
 </li>
 <li>
 Bireysel motivasyonu y&uuml;ksek, &ouml;&gbreve;renmeye &amp; geli&scedil;ime a&ccedil;&inodot;k, tak&inodot;m oyununu benimseyen,
 </li>
 <li>
 &Ccedil;ok g&uuml;&ccedil;l&uuml; analitik d&uuml;&scedil;&uuml;nme ve problem &ccedil;&ouml;zme yetene&gbreve;i olan, insiyatif alan, inovatif d&uuml;&scedil;&uuml;nme yetene&gbreve;i ile yarat&inodot;c&inodot; &ccedil;&ouml;z&uuml;mler &uuml;retebilen,
 </li>
 <li>
 &Ccedil;ok iyi d&uuml;zeyde s&ouml;zl&uuml; ve yaz&inodot;l&inodot; ileti&scedil;im becerileri olan.
 </li>
 </ul>
 
 
 
 <ul>
 <li>
 Unit, integration ve E2E test (Jest, React Testing Library, Cypress vb.) yazm&inodot;&scedil;,
 </li>
 <li>
 Webpack, Vite veya benzeri build tool&rsquo;larda &ouml;zelle&scedil;tirme yapm&inodot;&scedil;,
 </li>
 <li>
 Performans optimizasyonu ve Lighthouse skorlar&inodot;n&inodot; y&uuml;kseltme konusunda tecr&uuml;beli,
 </li>
 <li>
 Design system veya UI component library geli&scedil;tirme (Storybook, Ant Design vb.) prati&gbreve;i olan,
 </li>
 <li>
 Docker ve containerized ortamlarla &ccedil;al&inodot;&scedil;m&inodot;&scedil;.
 </li>
 </ul>
 
 
 
 
 
 
 Turkcell&rsquo;de Lead Developer Rol&uuml; Ne Yapar?
 
 
 
 <ul>
 <li>
 Turkcell.com.tr ve superonline.net &uuml;zerinden ger&ccedil;ekle&scedil;tirilen paket, kampanya, servis sat&inodot;&scedil;lar&inodot;, fatura &ouml;deme ve TL y&uuml;kleme i&scedil;lemleri, oyunla&scedil;t&inodot;rma kurgular&inodot; ve kullan&inodot;c&inodot; deneyimi odakl&inodot; &ouml;ny&uuml;z geli&scedil;tirmelerinden sorumlu olmak.
 </li>
 <li>
 Mimaride kullan&inodot;lacak teknolojileri belirlemek, SEO ve site performans&inodot; ihtiya&ccedil;lar&inodot;n&inodot; y&ouml;netmek.
 </li>
 <li>
 &Uuml;r&uuml;n geli&scedil;tirme sonras&inodot; test s&uuml;re&ccedil;lerinin ba&scedil;ar&inodot;yla y&uuml;r&uuml;t&uuml;lmesine katk&inodot; sa&gbreve;lamak.
 </li>
 <li>
 Sahip olunan t&uuml;m servislerin veri modeli ve mimarisine h&acirc;kim olmak, geli&scedil;tirme, hata y&ouml;netimi ve KPI takibinden sorumlu olmak.
 </li>
 <li>
 Geli&scedil;tirilen uygulamalar&inodot;n operasyonel devrini ger&ccedil;ekle&scedil;tirmek, gerekli durumlarda teknik destek vermek.
 </li>
 </ul>
 
 
 
 
 
 
 Yan Haklar ve Faydalar
 
 
 
 
 Ekibimizin bir &uuml;yesi olarak, rekabet&ccedil;i bir &uuml;cret, esnek &ccedil;al&inodot;&scedil;ma d&uuml;zenlemeleri, kariyer geli&scedil;imi ve ilerleme f&inodot;rsatlar&inodot; gibi bir dizi yan hak ve fayda ile bulu&scedil;ma f&inodot;rsat&inodot; yakalayacaks&inodot;n. Detaylara "https://bit.ly/TurkcellTKusagi&rsquo;&rsquo; &uuml;zerinden ula&scedil;abilirsin. 🎁▶️
 
 
 
 
 
 
 *Turkcell bir e&scedil;it f&inodot;rsat i&scedil;verenidir ve &inodot;rka, renge, dine, cinsiyete, ulusal k&ouml;kene, etnik k&ouml;kene, ya&scedil;a, fiziksel g&ouml;r&uuml;n&uuml;&scedil;e veya duruma, medeni durumuna, askerlik durumuna bak&inodot;lmaks&inodot;z&inodot;n, t&uuml;m nitelikli ba&scedil;vuru sahiplerini istihdam i&ccedil;in de&gbreve;erlendirmeye al&inodot;r.
 
 
</div>

SENIOR DEVELOPER (FRONTEND)

Voltran App

<div>
 About Voltran
 
 
 Voltran builds AI agents for K&ndash;12 schools and institutions. Our flagship product is
 
 AI Live Lectures
 
 : video- and animation-based live teaching experiences powered by
 
 digital twins
 
 and the coordinated work of
 
 15+ AI agents
 
 &mdash;built to deliver detailed, interactive learning at scale.
 
 
 
 
 The Role
 
 
 We&rsquo;re hiring a
 
 Full Stack Engineer
 
 to help us build and ship end-to-end product experiences across
 
 web, mobile, backend, and AI services
 
 . You&rsquo;ll collaborate closely with mobile and backend teams to integrate intelligent workflows into our platform, and you&rsquo;ll contribute directly to core product features&mdash;from UI to APIs to production infrastructure.
 
 
 
 
 What You&rsquo;ll Do
 <ul>
 <li>
 
 Full-stack product development:
 
 Build user-facing experiences and backend systems that support AI-powered learning flows.
 </li>
 <li>
 
 Backend &amp; APIs:
 
 Design and maintain
 
 REST/GraphQL
 
 services and microservices (Python/FastAPI, Node/TypeScript, or similar).
 </li>
 <li>
 
 AI integration:
 
 Integrate LLM/SLM-powered features (tutoring, content generation, Q&amp;A) into web and Flutter applications.
 </li>
 <li>
 
 Service orchestration:
 
 Build robust service layers that expose AI functionality with strong observability, rate-limiting, and reliability.
 </li>
 <li>
 
 Data &amp; retrieval:
 
 Implement and optimize RAG pipelines (agentic RAG, Graph RAG), vector search, and evaluation workflows.
 </li>
 <li>
 
 Infrastructure &amp; DevOps:
 
 Own CI/CD, containerization, monitoring, and scalable deployments (Docker/Kubernetes on AWS/GCP/Azure).
 </li>
 <li>
 
 Cross-functional collaboration:
 
 Work with product and design to define requirements, deliver polished features, and iterate quickly.
 </li>
 </ul>
 <li>
 
 </li>
 Must-Have Qualifications
 <ul>
 <li>
 
 Full-stack experience:
 
 2+ years shipping production features across frontend + backend.
 </li>
 <li>
 
 Backend strength:
 
 Strong experience building
 
 REST/GraphQL APIs
 
 , microservices, and secure service architectures.
 </li>
 <li>
 
 Frontend proficiency:
 
 Experience with
 
 React / Next.js / Svelte
 
 (or similar) and building clean, responsive UIs.
 </li>
 <li>
 
 AI-enabled systems:
 
 Hands-on experience integrating LLM/SLM capabilities into real products (agents, RAG, tool calling, evals).
 </li>
 <li>
 
 Retrieval &amp; agents:
 
 Familiar with
 
 Agentic RAG
 
 ,
 
 Graph RAG
 
 ,
 
 MCP frameworks
 
 , and
 
 A2A protocol concepts
 
 .
 </li>
 <li>
 
 DevOps &amp; Cloud:
 
 CI/CD + Docker + Kubernetes + cloud deployments (AWS/GCP/Azure or BaaS platforms).
 </li>
 <li>
 
 Engineering fundamentals:
 
 Data structures, algorithms, Git, testing, debugging, and secure coding practices.
 </li>
 <li>
 
 Proof of shipping:
 
 At least one publicly available product/app you&rsquo;ve built or significantly contributed to.
 </li>
 </ul>
 <li>
 
 </li>
 Nice to Have
 <ul>
 <li>
 
 Flutter
 
 experience (mobile integrations).
 </li>
 <li>
 Strong
 
 Python
 
 experience (FastAPI/Flask) and/or
 
 TypeScript/Node
 
 ecosystem depth.
 </li>
 <li>
 Familiarity with
 
 fine-tuning
 
 and RL concepts (policies, trajectories, reward/return).
 </li>
 <li>
 Ability to learn fast, work iteratively, and thrive in a high-ownership startup environment.
 </li>
 </ul>
 <li>
 
 </li>
 What We Offer
 
 <ul>
 <li>
 Competitive salary +
 
 option pool
 
 in a fast-growing edtech startup
 </li>
 <li>
 
 AI IDE subscription
 
 to accelerate your workflow
 </li>
 <li>
 Learning stipend + team offsites
 </li>
 <li>
 High ownership, real product impact, and fast shipping culture
 </li>
 </ul>
 <li>
 
 </li>
 Onboarding &amp; Training
 
 We support new team members with structured learning across
 
 prompt engineering, agents, fine-tuning, reinforcement learning, advanced AI IDE usage
 
 , and practical production workflows&mdash;so you can ramp quickly and ship confidently.
 
 
 
 
</div>

Senior Full Stack 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)

Hepsiburada (NASDAQ: HEPS)

<div>
 
 At Hepsiburada, we are driven by our mission to improve people's lives by developing innovative products and services. Prioritizing customer satisfaction, we offer over 280 million products across more than 30 categories. Through our marketplace model, we bring together over 100,000 businesses. With T&uuml;rkiye&rsquo;s and the region's largest Smart Operations Center, industry-leading R&amp;D initiatives, and innovative solutions, we contribute significantly to the growth of the e-commerce ecosystem. For the past two years, we have proudly held the title of Turkey's most recommended e-commerce platform.
 
 
 
 
 
 Through our innovative services like HepsiJET, Hepsipay, HepsiLojistik, HepsiAd, and Hepsiburada Global, we create value for all our stakeholders. Committed to harnessing technology for social benefit, our &ldquo;Technology Empowerment for Women Entrepreneurs&rdquo; program has connected thousands of women entrepreneurs with e-commerce, supporting their growth. Our goal is to leverage digitalization and e-commerce to enable greater economic participation.
 
 
 
 
 
 With 25 years of experience driven by innovation and entrepreneurship, we proudly continue our journey as &ldquo;T&uuml;rkiye&rsquo;s Hepsiburada&rdquo; and the first and only Turkish company listed on NASDAQ, the world's leading technology exchange.
 
 
 
 
 
 For our colleagues, we offer a work environment that supports creating together and adding more meaning to our work. As a team full of opportunities, we are happy to develop, produce and succeed together.
 
 
 
 
 
 If you want to be part of a team that creates value for everyone and makes life easier through innovative products and services&mdash;and contribute to exciting success stories&mdash;the future starts here.
 
 
 
 
 
 
 Our Requirements:
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering or equivalent work experience,
 </li>
 <li>
 Minimum 5 years of experience in JavaScript development, Strong knowledge of React, Vue.js, Redux, Vuex, Webpack, Typescript, HTML5, RESTful API, SASS/LESS, JavaScript (Jquery, AJAX, OOP, MVVM),
 </li>
 <li>
 Eager about micro frontend architecture,
 </li>
 <li>
 A good knowledge of NodeJS,
 </li>
 <li>
 A good knowledge of consistent user experience,
 </li>
 <li>
 Working experience with Git,
 </li>
 <li>
 Passionate about testing and clean code,
 </li>
 <li>
 Great team player,
 </li>
 </ul>
 
 
 
 
 
 
 We Offer:
 
 
 
 
 
 
 <ul>
 <li>
 We rule the change and you are taking big responsibility for this game.
 </li>
 <li>
 We are learning and improving together with our experiences.
 </li>
 <li>
 Hepsiburada is empowering, supporting, and making the ideas a reality.
 </li>
 <li>
 Working with joy is our secret weapon !
 </li>
 </ul>
 
 
 
 
 
 
 
 https://medium.com/hepsiburadatech
 
 
 https://stackshare.io/hepsiburada
 
 
 
 
 
 
 "Bu ilan sebebiyle yapaca&gbreve;&inodot;n&inodot;z ba&scedil;vurular arac&inodot;l&inodot;&gbreve;&inodot;yla toplanacak ki&scedil;isel verileriniz veri sorumlusu D-Market Elektronik Hizmetler ve Ticaret A.&Scedil; (&ldquo;Hepsiburada&rdquo;) taraf&inodot;ndan 6698 say&inodot;l&inodot; Ki&scedil;isel Verilerin Korunmas&inodot; Kanunu (&ldquo;KVKK&rdquo;) ve ilgili mevzuat kapsam&inodot;nda i&scedil; ba&scedil;vuru s&uuml;re&ccedil;lerinin y&uuml;r&uuml;t&uuml;lmesi amac&inodot;yla otomatik yollarla i&scedil;lenecektir. Detayl&inodot; bilgi i&ccedil;in l&uuml;tfen
 
 Ayd&inodot;nlatma
 
 
 
 
 
 
 Metni&rsquo;ndeki
 
 &Ccedil;al&inodot;&scedil;an Aday&inodot; (https://www.hepsiburada.com/kisisel-verilerin-korunmasi) ki&scedil;i kategorisini inceleyiniz.&rdquo;
 
 
 
 
</div>

Software Development Engineer III (Frontend)

Explore 516+ Senior front end developer in Istanbul this January. Find roles across top companies and apply now to boost your career.

516 senior front end developer jobs IN Istanbul

Senior Frontend Developer

Senior Frontend Developer

SENIOR DEVELOPER (BACKEND)

SENIOR DEVELOPER (FRONTEND)

Senior Full Stack Developer

Frontend Developer (Hybrid)

Software Development Engineer III (Frontend)