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senior software engineer Jobs in Istanbul

senior software engineer

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software developer

ÜNLÜ & Co

<div>
 
 &Uuml;NL&Uuml; &amp; Co &ccedil;at&inodot;s&inodot; alt&inodot;nda faaliyetlerini s&uuml;rd&uuml;ren fintech &scedil;irketimiz Piapiri Teknoloji A.&Scedil;. b&uuml;nyesindeki finansal teknoloji uygulamalar&inodot;n&inodot;n geli&scedil;tirilmesinde g&ouml;rev alacak Software Developer aray&inodot;&scedil;&inodot;m&inodot;z bulunmaktad&inodot;r.
 
 
 
 
 
 
 
 
 
 Aranan Nitelikler:
 
 
 
 
 
 
 &middot; &Idot;lgili m&uuml;hendislik b&ouml;l&uuml;mlerinden mezun,
 
 
 &middot; Minimum 2 y&inodot;l .NET teknolojileriyle yaz&inodot;l&inodot;m geli&scedil;tirmesi tecr&uuml;besi olan,
 
 
 &middot; Y&uuml;ksek performansl&inodot;, d&uuml;&scedil;&uuml;k gecikmeli, yatayda h&inodot;zla geni&scedil;leyebilen mimariler hakk&inodot;nda bilgi sahibi
 
 
 &middot; MSSQL, Redis, HazelCast, RabbitMQ, Docker teknolojilerini kullanm&inodot;&scedil; veya bilgi sahibi,
 
 
 &middot; Kurumsal uygulama fikirlerinin mimari tasar&inodot;m&inodot;, hayata ge&ccedil;irilmesi, performans &ouml;l&ccedil;&uuml;mlemesi gibi konularda deneyim veya bilgi sahibi,
 
 
 &middot; En az teknik dok&uuml;manlar&inodot; anlayabilecek seviyede &Idot;ngilizce bilen,
 
 
 &middot; Analitik d&uuml;&scedil;&uuml;nce ve problem &ccedil;&ouml;zme becerisi kuvvetli, ileti&scedil;im y&ouml;n&uuml; g&uuml;&ccedil;l&uuml;, de&gbreve;i&scedil;ime, yeni teknolojilere ve geli&scedil;ime a&ccedil;&inodot;k,
 
 
 
</div>

Software Developer

hikie

<div>
 
 hikie; dijital dosyalar, appler, otomasyonlar, e&gbreve;itimler, topluluklar veya fiziksel &uuml;r&uuml;nler fark etmeksizin, herkesin kolayca internette sat&inodot;&scedil; yapmas&inodot;na olanak tan&inodot;yan bir ticaret platformudur. hikie'de teknik bilgi birikimi ne olursa olsun, kendi i&scedil;ini kurmak isteyen giri&scedil;imcilerin kar&scedil;&inodot;la&scedil;t&inodot;&gbreve;&inodot; karma&scedil;&inodot;k s&uuml;re&ccedil;leri ortadan kald&inodot;r&inodot;yoruz. Kullan&inodot;c&inodot;lar&inodot;m&inodot;z&inodot;n dakikalar i&ccedil;inde ma&gbreve;azalar&inodot;n&inodot; a&ccedil;&inodot;p sat&inodot;&scedil;a ba&scedil;lamas&inodot;n&inodot; sa&gbreve;layan pratik ve mod&uuml;ler bir altyap&inodot; sunarak, T&uuml;rkiye&rsquo;deki giri&scedil;imcilik ekosisteminin b&uuml;y&uuml;mesine katk&inodot; sa&gbreve;l&inodot;yoruz.
 
 
 
 
 
 
 Arad&inodot;&gbreve;&inodot;m&inodot;z Nitelikler
 
 
 
 
 
 <ul>
 <li>
 
 Kendi Kendini Yeti&scedil;tirmi&scedil; Olmak:
 
 En az lise mezunu ve 18 ya&scedil;&inodot;n&inodot; doldurmu&scedil; isen ne e&gbreve;itim ald&inodot;&gbreve;&inodot;n &ouml;nemli de&gbreve;il. Alayl&inodot; olmana kap&inodot;m&inodot;z a&ccedil;&inodot;k. Yeter ki ayn&inodot; dili konu&scedil;al&inodot;m.
 </li>
 <li>
 
 Ger&ccedil;ek D&uuml;nya Tecr&uuml;besi:
 
 Ge&ccedil;mi&scedil;te veya g&uuml;n&uuml;m&uuml;zde, aktif olarak gelir &uuml;reten bir projenin yap&inodot;m&inodot;nda rol alm&inodot;&scedil; olman&inodot; ve ilk i&scedil; g&ouml;r&uuml;&scedil;memizde bunu kan&inodot;t olarak bize sunabilmeni bekleyece&gbreve;iz.
 </li>
 <li>
 
 AI Adaptasyonu:
 
 Yapay zeka ara&ccedil;lar&inodot;n&inodot; (Cursor, Copilot, ChatGPT vb.) Backend, Frontend ve Mobil tarafta geli&scedil;tirme s&uuml;re&ccedil;lerini h&inodot;zland&inodot;rmak i&ccedil;in kullanan bir software developer ar&inodot;yoruz.
 </li>
 <li>
 
 React Ekosistemi:
 
 &Ouml;zellikle React ve React Native teknolojilerine, mod&uuml;ler yap&inodot;lar geli&scedil;tirebilecek d&uuml;zeyde hakim olmal&inodot;s&inodot;n.
 </li>
 <li>
 
 &Uuml;r&uuml;n Vizyonu:
 
 Geli&scedil;tirilen &uuml;r&uuml;n&uuml;n sadece teknik boyutuyla de&gbreve;il, kullan&inodot;c&inodot;ya sundu&gbreve;u de&gbreve;er ve i&scedil; modeliyle de ilgilenmeli; fikrini anlatmaya, savunmaya ve gerekli durumlarda ikna olmaya a&ccedil;&inodot;k olmal&inodot;s&inodot;n.
 </li>
 <li>
 
 Startup Disiplini:
 
 H&inodot;zl&inodot; karar al&inodot;nan ve startup &ccedil;al&inodot;&scedil;ma temposuna sahip bir i&scedil; ortam&inodot;nda &ccedil;al&inodot;&scedil;man&inodot;n ne demek oldu&gbreve;unu bilmiyorsan ya da bu &scedil;ekilde &ccedil;al&inodot;&scedil;may&inodot; tercih etmiyorsan bu i&scedil; sana uygun olmayabilir.
 </li>
 </ul>
 
 
 
 
 
 Sorumluluklar
 
 
 
 
 
 <ul>
 <li>
 hikie teknoloji ekibi b&uuml;nyesinde, web ve mobil uygulama taraf&inodot;nda &uuml;r&uuml;n geli&scedil;tirme faaliyetlerini y&uuml;r&uuml;tmek.
 </li>
 <li>
 Geli&scedil;tirilen &ouml;zelliklerin test s&uuml;re&ccedil;lerine destek vererek &uuml;r&uuml;n kalitesini korumak.
 </li>
 <li>
 Teknoloji ekibinin g&uuml;nl&uuml;k operasyonel s&uuml;re&ccedil;lerine katk&inodot; sa&gbreve;lamak.
 </li>
 <li>
 hikie&rsquo;nin b&uuml;y&uuml;me stratejileri do&gbreve;rultusunda yeni fikirler &uuml;retmek ve uygulamas&inodot;nda rol almak.
 </li>
 </ul>
 
 
 
 
 
 &Idot;mkanlar
 
 
 
 
 
 <ul>
 <li>
 Maa&scedil;, yemek ve d&ouml;nemsel giderleri kapsayan &ouml;deme paketi
 </li>
 <li>
 Startup &ccedil;al&inodot;&scedil;ma ortam&inodot;; hata yapmaktan &ccedil;ok denememekten korkan, &ccedil;&ouml;z&uuml;m odakl&inodot; ekip
 </li>
 <li>
 &Idot;stedi&gbreve;in AI modellerine eri&scedil;im
 </li>
 <li>
 Hybrid &ccedil;al&inodot;&scedil;ma &scedil;ekli
 </li>
 </ul>
</div>

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

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

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)

Amaris Consulting

Job description
 
We are looking for a Senior Java Developer to join our technology team and contribute to building scalable, high-quality software solutions. You will collaborate with cross-functional teams and play a key role in delivering impactful products throughout the development lifecycle.
 
Key Responsibilities: 
Design, develop, and maintain scalable and high-quality software solutions
 
Take full ownership of projects and drive them end to end
 
Collaborate with cross-functional teams including product, QA, and design
 
Mentor junior developers and contribute to technical decision-making
 
Requirements: 
Strong experience in Java and related backend technologies
 
Proven experience working on end-to-end (E2E) projects, from initial analysis to deployment and maintenance
 
Ability to own a project from A to Z, including design, development, testing, and production support
 
Solid understanding of software architecture, design patterns, and best practices
 
Experience with RESTful APIs, microservices, and database technologies
 
Familiarity with agile development methodologies
 
Nice to Have (Highly Preferred): 
Mobile application development experience (Android, iOS, or cross-platform)
 
Experience integrating backend services with mobile applications
 
Knowledge of CI/CD pipelines and cloud platforms
 
If you are a self-driven developer who enjoys taking responsibility and delivering complete solutions, we would love to hear from you.
 
Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We consider applications from all qualified individuals, regardless of gender, sexual orientation, race, ethnic origin, beliefs, age, marital status, disability, or any other characteristic.
 Special attention 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!

Senior Java Developer (Hybrid)

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

Explore 302+ Software developer in Istanbul this January. Find roles across top companies and apply now to boost your career.

302 software developer jobs IN Istanbul

Software Developer

Software Developer

Senior / Mid Software Developer

Full-Stack Software Developer

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

Senior Java Developer (Hybrid)

Linux C Developer