android developer Jobs in Istanbul Turkey

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software developer Jobs in Istanbul Turkey

software developer

c# developer

Kron

<div>
 
 We are looking for a Linux C Developer to develop performance critical, scalable software.
 
 
 
 
 
 Ideal candidate should have prior knowledge of the Linux operating system internals. This is an interesting position with opportunity to work on from resource constrained small embedded devices to high capacity backend servers.
 
 
 
 
 
 QUALIFICATIONS
 
 
 
 
 <ul>
 <li>
 University degree in computer engineering or related fields
 </li>
 <li>
 Knowledge of Linux kernels
 </li>
 <li>
 Good knowledge of the Linux operating system (POSIX API, IPC, resource handling, processes and threads) Expertise in system development with C
 </li>
 <li>
 Experience in programming in multithreading environment
 </li>
 <li>
 Knowledge of IP network protocols
 </li>
 <li>
 Ideally, scripting language experience in Bash, GNU Make, Python, Lua
 </li>
 <li>
 Be passionate, curious &amp; eager to learn
 </li>
 <li>
 Be a good team player
 </li>
 <li>
 Fluent in English
 </li>
 <li>
 Have strong communicational and interpersonal skills
 </li>
 </ul>
 
 
</div>

Linux C Developer

Raynet

<div>
 Du bist ein Teamplayer und in der Lage, Br&uuml;cken zwischen unterschiedlichen Marktanforderungen sowie Kundenherausforderungen und unseren Softwarel&ouml;sungen zu bauen? Du beh&auml;ltst auch bei komplexen Architekturen und Prozessen immer einen k&uuml;hlen Kopf und hast eigene Ideen und L&ouml;sungsans&auml;tze f&uuml;r verschiedene Herausforderungen?
 
 
 Dann bewirb Dich jetzt als Software Developer und lass uns gemeinsam Zukunft gestalten.
 
 
 Deine Aufgaben bei Raynet
 
 
 <ul>
 <li>
 Kennenlernen und Entwickeln von Full-Stack-L&ouml;sungen in Angular, React, ASP.NET MVC und C#-Anwendungen
 </li>
 <li>
 Erlernen und Unterst&uuml;tzen von DevOps-Aktivit&auml;ten sowohl in AWS/Azure- als auch in Colocation-Umgebungen
 </li>
 <li>
 Zusammenarbeit mit Kunden und Stakeholdern zur Untersuchung von Problemen, Erfassung von Anforderungen und Implementierung von L&ouml;sungen
 </li>
 <li>
 Teilnahme an mehreren Softwareentwicklungsprojekten
 </li>
 <li>
 Teilnahme an der Validierung, Pr&uuml;fung und Dokumentation von Produktversionen
 </li>
 <li>
 Arbeit in einem agilen Produktentwicklungsprozess (Scrum)
 
 
 </li>
 </ul>
 Was Du mitbringen solltest
 
 
 <ul>
 <li>
 Bachelor-Abschluss in Informatik, Informationstechnologie oder anderen verwandten Bereichen
 </li>
 <li>
 Gutes Englisch und/oder Deutsch (in Wort und Schrift)
 </li>
 <li>
 Starke Motivation, sich in bestehende Code-L&ouml;sungen einzuarbeiten und diese zu verbessern
 </li>
 <li>
 Kenntnisse in .Net Core, C# oder vergleichbaren Sprachen
 </li>
 <li>
 Ausgepr&auml;gter Gesch&auml;ftssinn und Probleml&ouml;sungsf&auml;higkeiten
 </li>
 <li>
 Kenntnisse der folgenden Technologien sind ein Plus:
 </li>
 <ul>
 <li>
 MSSQL / MySQL
 </li>
 <li>
 AWS/Azure
 </li>
 <li>
 Docker
 </li>
 <li>
 Git
 </li>
 <li>
 Swagger (Swashbuckle/AutoRest)
 </li>
 <li>
 SOAP- und REST-API-Integrationen
 
 </li>
 </ul>
 </ul>
 Was Dich erwartet
 
 
 <ul>
 <li>
 Viel Platz f&uuml;r eigenverantwortliches Handeln, frische Ideen und neue Herausforderungen
 </li>
 <li>
 Flache Hierarchien, direkte Ansprechpartner und schnelle Entscheidungswege
 </li>
 <li>
 Vielf&auml;ltige Aufgaben und Projekte in einem innovativen Umfeld
 </li>
 <li>
 Junges, dynamisches Team in einem modernen B&uuml;ro
 </li>
 <li>
 Teamevents &amp; Work-Life-Balance
 </li>
 <li>
 Individuelle Weiterbildungsma&szlig;nahmen
 </li>
 <li>
 Ein anspruchsvoller, praxisnaher und zukunftsorientierter Job in einem international wachsenden Unternehmen
 </li>
 <li>
 Hauseigenes Fitnessstudio mit Sauna
 </li>
 <li>
 85 m&sup2; gro&szlig;e Dachterrasse mit Panoramablick &uuml;ber Paderborn
 </li>
 <li>
 Lades&auml;ulen f&uuml;r E-Bike und E-Auto
 </li>
 <li>
 Kaffee-, Tee- &amp; Wasserflatrate sowie Obst &amp; S&uuml;&szlig;igkeiten
 
 
 </li>
 </ul>
 Zum vollst&auml;ndigen Stellenangebot
</div>

Raynet sucht: Software Developer (m/w/d)

Mars Logistics

<div>
 
 
 
 Genel Nitelikler
 
 
 
 
 
 
 <ul>
 <li>
 &Uuml;niversitelerin ilgili b&ouml;l&uuml;mlerinden mezun,
 </li>
 <li>
 Yaz&inodot;l&inodot;m geli&scedil;tirme alan&inodot;nda en az 3 y&inodot;l profesyonel deneyim sahibi,
 </li>
 <li>
 .NET Framework ve/veya .NET Core ile uygulama geli&scedil;tirme yapm&inodot;&scedil;,
 </li>
 <li>
 C# diline h&acirc;kim,
 </li>
 <li>
 ASP.NET MVC veya ASP.NET Core ile RESTful API/Web uygulamas&inodot; geli&scedil;tirmi&scedil;,
 </li>
 <li>
 Entity Framework veya Entity Framework Core bilgisine sahip,
 </li>
 <li>
 MSSQL veya benzeri bir ili&scedil;kisel veritaban&inodot; ile &ccedil;al&inodot;&scedil;ma deneyimi olan,
 </li>
 <li>
 Versiyon kontrol sistemleri (Git, GitLab, GitHub) kullan&inodot;m&inodot;nda pratiklik kazanm&inodot;&scedil;,
 </li>
 <li>
 Temel seviyede HTML, CSS, JavaScript veya modern frontend teknolojileri hakk&inodot;nda bilgi sahibi,
 </li>
 <li>
 Nesne y&ouml;nelimli programlama (OOP) prensiplerine h&acirc;kim,
 </li>
 <li>
 Tercihen Mikro servis mimarisi, Docker, Kubernetes, CI/CD s&uuml;re&ccedil;leri hakk&inodot;nda bilgi sahibi ve SignalR, Hangfire gibi teknolojilerle &ccedil;al&inodot;&scedil;ma deneyimi olan,
 </li>
 <li>
 Agile/Scrum metodolojileri ile proje y&uuml;r&uuml;tm&uuml;&scedil;,
 </li>
 <li>
 Temiz, s&uuml;rd&uuml;r&uuml;lebilir ve okunabilir kod yazma al&inodot;&scedil;kanl&inodot;&gbreve;&inodot; edinmi&scedil;,
 </li>
 <li>
 Analitik d&uuml;&scedil;&uuml;nme, problem &ccedil;&ouml;zme ve tak&inodot;m &ccedil;al&inodot;&scedil;mas&inodot;na yatk&inodot;n,
 </li>
 <li>
 Developer Express hakk&inodot;nda bilgi sahibi,
 </li>
 </ul>
 
 
 
 
 
 
 
 
 
 &Idot;&scedil; Tan&inodot;m&inodot;
 
 
 
 
 
 
 <ul>
 <li>
 Kurumsal web ve API projelerinin geli&scedil;tirilmesi, iyile&scedil;tirilmesi ve bak&inodot;m&inodot;n&inodot;n yap&inodot;lmas&inodot;,
 </li>
 <li>
 Yeni &ouml;zellik geli&scedil;tirme s&uuml;re&ccedil;lerine analiz, yaz&inodot;l&inodot;m tasar&inodot;m&inodot; ve kodlama a&scedil;amalar&inodot;nda aktif kat&inodot;l&inodot;m sa&gbreve;lanmas&inodot;,
 </li>
 <li>
 Mevcut uygulamalar&inodot;n performans optimizasyonu ve hata d&uuml;zeltmelerinin ger&ccedil;ekle&scedil;tirilmesi,
 </li>
 <li>
 Gerekti&gbreve;inde veritaban&inodot; modelleme, stored procedure olu&scedil;turma ve sorgu optimizasyonu yap&inodot;lmas&inodot;,
 </li>
 <li>
 Kod standartlar&inodot;na ve versiyon kontrol s&uuml;re&ccedil;lerine uygun &scedil;ekilde geli&scedil;tirme yap&inodot;lmas&inodot;,
 </li>
 <li>
 Proje dok&uuml;mantasyonunun haz&inodot;rlanmas&inodot;na katk&inodot; sa&gbreve;lanmas&inodot;,
 </li>
 <li>
 Ekip i&ccedil;i sprint planlama ve code review s&uuml;re&ccedil;lerine kat&inodot;l&inodot;m sa&gbreve;lanmas&inodot;.
 </li>
 </ul>
</div>

Yazılım Uzmanı

MAD Parfumeur

<div>
 
 
 About Us
 
 
 
 Mad Parfumeur is one of the leading players in the Turkish perfume and cosmetics industry. We are expanding our digital capabilities and are seeking a talented
 
 full-stack software developer
 
 to join our team in Istanbul. This position will play a key role in developing and maintaining scalable systems and integrations across the organization.
 
 
 
 
 
 
 Key Responsibilities
 
 
 
 &bull; Design and implement end-to-end software solutions across backend and frontend environments
 
 
 &bull; Write clean, scalable, and maintainable code aligned with application requirements and coding standards
 
 
 &bull; Refactor, optimize, and enhance reusability of existing modules
 
 
 &bull; Develop React/Angular-based user interfaces following corporate UI/UX guidelines
 
 
 &bull; Perform integration, performance, and security testing of APIs
 
 
 &bull; Build and maintain CI/CD pipelines to automate deployment processes
 
 
 &bull; Take an active role in integration projects related to e-commerce and warehouse systems
 
 
 &bull; Ensure smooth data flow and synchronization between ERP systems and internal applications
 
 
 &bull; Design and implement high-scalability systems using Event-Driven Architecture principles
 
 
 &bull; Actively participate in Agile/Scrum ceremonies, contributing to sprint planning, reviews, and retrospectives
 
 
 &bull; Prepare and maintain technical documentation, training materials, and user guides
 
 
 
 
 
 
 Qualifications
 
 
 
 &bull; Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, or a related field
 
 
 &bull; Minimum 2 years of professional software development experience
 
 
 &bull; Strong command of C# / .NET Core (ASP.NET Core, API, Worker Service)
 
 
 &bull; Proficiency in frontend technologies-React, Angular, TypeScript, JavaScript, HTML5, CSS3
 
 
 &bull; Experience with RESTful API integrations
 
 
 &bull; Hands-on experience migrating from monolithic to microservice architectures
 
 
 &bull; Knowledge of relational databases (MS SQL, PostgreSQL) and ORM tools (Entity Framework Core, Dapper)
 
 
 &bull; Experience with NoSQL databases (MongoDB, Redis, Elasticsearch)
 
 
 &bull; Familiarity with Event-Driven Architecture, DDD, CQRS, Outbox/Saga patterns
 
 
 &bull; Experience with CI/CD, Docker, Kubernetes, and AWS/Azure environments
 
 
 &bull; Proficient in Git and versioning strategies (GitFlow or trunk-based development)
 
 
 &bull; Strong analytical thinking, problem-solving, and sense of ownership
 
 
 &bull; Fluent in English for technical documentation and team collaboration
 
 
 
 
 
 
 Why Join Us?
 
 
 
 Working at Mad Parfumeur means being part of an innovative and fast-growing organization where you can make a real impact. You&rsquo;ll have the opportunity to grow professionally while contributing to a creative and high-paced production environment.
 
</div>

Full-Stack Software Developer

Trust In SODA

<div>
 
 🚀
 
 Backend Software Engineer (C# / .NET / Azure)
 
 🚀
 
 
 
 
 
 We&rsquo;re working with a fast-growing tech company that&rsquo;s rethinking how data and insights are created globally. They care deeply about clean code, smart delivery, and building software that works reliably in the real world (not just on paper).
 
 
 
 
 
 
 Role: Back End Engineer- C#/ .NET
 
 
 
 
 Location: Istanbul- 1x per month
 
 
 
 
 Salary: &euro;55k Euros
 
 
 
 
 
 
 You&rsquo;ll design, build, and run backend systems using C#, .NET, and Microsoft Azure.
 
 
 
 
 
 What You&rsquo;ll Be Doing
 
 <ul>
 <li>
 Building backend services with C#, .NET, Azure &amp; CosmosDB
 </li>
 <li>
 Owning features from first commit to production monitoring
 </li>
 <li>
 Keeping systems healthy with testing, CI/CD, and observability
 </li>
 <li>
 Working closely with product and engineering across the full lifecycle
 </li>
 </ul>
 
 
 
 
 What You&rsquo;ll Bring
 
 <ul>
 <li>
 5+ years of backend development experience
 </li>
 <li>
 Strong skills in C# and .NET
 </li>
 <li>
 Experience building scalable, secure APIs
 </li>
 <li>
 Hands-on cloud experience (Azure is a big plus)
 </li>
 <li>
 Familiarity with CI/CD, automation, and modern DevOps practices
 </li>
 <li>
 SaaS experience
 </li>
 <li>
 Some frontend exposure (TypeScript / React)
 </li>
 </ul>
 
 
 
 
 
 Curious? Drop me a message for a confidential chat.
 
 
</div>

Back End Developer

Arena

<div>
 
 Bringing together more than 10.000 business partners with the world's leading technology brands in Turkey, Arena is the leading technology products provider in the country. The company manages a wide range of products such as information technologies, telecommunications, consumer electronics, retail and internet retailing, by following closely every development in technology.
 
 
 
 
 
 Since its establishment in 1991, Arena has been sustaining the mission of breaking new grounds with great ability to follow the rapid developments in market conditions and to anticipate consumer expectations. This is why the company has been keeping making various innovations. It is among the biggest technology companies in Turkey to deliver the right products to customers via reliable business partners.
 
 
 
 
 
 At Arena, diversity, equity, and inclusion (DEI) are central to who we are. We are committed to creating a workplace where everyone &mdash; regardless of age, gender, ethnicity, or background &mdash; can learn, grow, and thrive. DEI is not just a policy for us; it's a shared responsibility and a core part of our culture.
 
 
 
 
 
 We are looking for a skilled Software Developer who is passionate about creating scalable, high-quality systems and contributing to the evolution of modern, AI-driven products.
 
 
 
 
 
 
 Qualifications:
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering or related engineering discipline.
 </li>
 <li>
 3+ years of hands-on experience with C# and .NET Core / ASP.NET Web API.
 </li>
 <li>
 Strong knowledge of backend architecture patterns (clean architecture, modular design, microservices).
 </li>
 <li>
 Experience with REST and GraphQL API design, security and versioning.
 </li>
 <li>
 Solid experience in database design and data access (SQL, NoSQL, Vector Databases, ORM tools).
 </li>
 <li>
 Experience with real-time and asynchronous communication (WebSocket, SignalR, message queues).
 </li>
 <li>
 Strong understanding of clean code practices and SOLID principles, applied pragmatically.
 </li>
 <li>
 Experience with testing, code quality and maintainability practices.
 </li>
 <li>
 Familiarity with Agile methodologies and CI/CD pipelines.
 </li>
 <li>
 Experience with Python and FastAPI, especially for AI-oriented or integration-heavy services.
 </li>
 <li>
 Familiarity with LLM / AI integration concepts.
 </li>
 <li>
 Comfortable working in product-oriented, fast-paced teams.
 </li>
 <li>
 Professional proficiency in English.
 </li>
 </ul>
 
 
 
 
 
 Responsibilities:
 
 
 <ul>
 <li>
 Design, develop and maintain scalable backend services and web applications.
 </li>
 <li>
 Take an active role in new product development and platform evolution.
 </li>
 <li>
 Build API-first, secure and reusable backend components.
 </li>
 <li>
 Develop real-time and asynchronous systems and external service integrations.
 </li>
 <li>
 Use AI-assisted development tools (code generation, refactoring, test generation, documentation) to improve delivery speed and quality.
 </li>
 <li>
 Contribute to architecture decisions, code reviews and engineering best practices.
 </li>
 <li>
 Prepare technical documentation and release notes.
 </li>
 <li>
 Contribute to unit testing, code quality practices and CI/CD pipelines.
 </li>
 </ul>
 
 
 
 
 &ldquo;Yapaca&gbreve;&inodot;n&inodot;z i&scedil; ba&scedil;vurular&inodot; Ki&scedil;isel Verilerin Korunmas&inodot; Kanunu (&ldquo;KVKK&rdquo;) ve ilgili mevzuat kapsam&inodot;nda otomatik yollarla i&scedil;lenecektir. Detayl&inodot; bilgi i&ccedil;in Ayd&inodot;nlatma Metnini (https://www.arena.com.tr/hakkimizda/kvkk-aydinlatma-beyannamesi) inceleyebilirsiniz.&rdquo;
 
</div>

Senior / Mid Software Developer

Trendyol Group

<div>
 
 
 ABOUT THE TEAM
 
 
 
 We&rsquo;re shaping the future of financial technology at Trendyol.
 
 
 As Trendyol&rsquo;s technology teams, we&rsquo;re not only building for today we&rsquo;re designing the financial experiences of tomorrow. From payment infrastructure and digital wallets to smart credit systems and personalized financial services, we create solutions that empower millions of users across our ecosystem.
 
 
 With Trendyol Pay, we enable fast, secure, and seamless payment journeys. Through Trendyol Finance, we develop inclusive and accessible products that simplify financial decisions.
 
 
 
 
 
 
 ABOUT THE ROLE
 
 
 
 As a Backend Developer at Trendyol, you will play a key role in designing, developing, and maintaining the core systems that power our products and services. You will work closely with cross-functional teams to deliver scalable, high-performance solutions that millions of users rely on every day. Leveraging modern technologies and best practices, you will help shape our backend architecture, ensure seamless integration with other services, and continuously improve our platforms to meet the evolving needs of our customers.
 
 
 
 
 
 
 Expected Qualifications
 
 
 <ul>
 <li>
 Team Player: Humble, lifelong learner with a customer-first mindset.
 </li>
 <li>
 Practical Knowledge: Proficient in OOP, Design Patterns, Clean Code, Software Craftsmanship culture, Refactoring, Unit, and Integration Testing.
 </li>
 <li>
 Experience: 2+ years of experience in at least one of the following languages: Java, Go, C#, Scala, Kotlin, Node.js.
 </li>
 <li>
 Database Management: Experience with relational/non-relational Database Management Systems such as PostgreSQL, Elasticsearch, Couchbase, etc.
 </li>
 <li>
 Messaging Patterns: Experience with messaging patterns like saga, outbox, and message brokers such as Kafka, RabbitMQ, etc.
 </li>
 <li>
 CI/CD Experience: Proficient in Continuous Delivery and Continuous Integration, familiar with infrastructure as code tools such as Terraform.
 </li>
 <li>
 Backend Services: Experience in building backend services using mainstream frameworks.
 </li>
 <li>
 Agile Mindset: Agile-minded team player with strong communication skills.
 </li>
 <li>
 Distributed Systems: Preferably experienced in fault-tolerant and loosely coupled distributed architectures.
 </li>
 <li>
 Containerized Experience: Experience with Kubernetes, observability, monitoring, and resource optimization is a significant plus.
 </li>
 <li>
 Language Skills: Good command of written and spoken English.
 </li>
 </ul>
 
 
 
 
 
 What We Offer
 
 
 
 A hybrid working model with flexibility &mdash; a schedule that helps you find the right balance between flexibility and team bonding, including work-from-abroad opportunities and a summer working model.
 
 
 A customizable FlexBenefits budget &mdash; Adjust your daily meal allowance, choose your health insurance package (and extend it to your spouse or children), and pick from additional benefits like fuel support or Trendyol shopping credits.
 
 
 Comprehensive wellbeing support &mdash; Take advantage of our extended health package, which includes annual mini health screenings, access to location-based in-house doctors, psychologist and dietitian support, and HPV vaccination coverage.
 
 
 Personalized training allowance and learning opportunities &mdash; Use your annual budget for any training or conference of your choice, explore our Learning Management System (LMS) anytime, and join in-person learning sessions offered throughout the year.
 
 
 Responsibility from day one &mdash; Take full ownership from the start in a culture where every voice is heard and valued.
 
 
 A diverse, international team &mdash; Collaborate with global peers across our offices in Berlin, Amsterdam, Dubai, and beyond, in a startup-spirited and collaborative environment.
 
 
 Opportunities to grow with the best &mdash; Tackle meaningful challenges, develop through hands-on experience, and grow with the support of expert guidance and global mentoring.
 
 
 Meaningful connections beyond tasks &mdash; Be part of team rituals, events, and social activities that help us stay connected and inspired.
 
 
 
 
 
 
 
 
 
 Take the Next Step
 
 
 
 If this role excites you, apply now and let&rsquo;s take the next step together.
 
 
 Want to get to know the team better first? Explore our Career Website, LinkedIn, or YouTube to learn more about #LifeatTrendyol and how we work.
 
</div>

Backend Developer

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