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senior software developer

<div><p><b>Senior Software Developer Software Architect</b></p><p><b>
Location:</b> Istanbul <b>Work Type:</b> Remote<br>
<b>Benefits:</b> Private Health Insurance, Meal Card</p><p><b>
Responsibilities:</b></p><ul>
<li>Design and develop applications using <b>.NET Core 6+</b> and <b>C#</b></li>
<li>Work on projects in <b>Loans, Trade Finance, Customer Management, CRM, Investment, and Treasury</b> domains</li>
<li>Design application and database structures to meet performance, redundancy, and security needs</li>
<li>Develop <b>web services</b> and manage external system integrations</li>
<li>Follow new trends in <b>digital banking technologies</b> and share insights with the team</li>
<li>Deliver <b>high-quality, testable, and secure code</b> in line with best practices</li></ul><p><b>
Qualifications:</b></p><ul>
<li>Bachelors degree in Computer Engineering, Software Engineering, or a related field</li>
<li>Preferably 8+ years of software development experience</li>
<li>Experience in <b>Banking</b> or <b>Payment Systems</b> projects</li>
<li>Knowledge of <b>MSSQL</b> and relational database architecture</li>
<li>Strong understanding of secure, high-performance coding standards</li>
<li>Proactive, solution-oriented, and collaborative team player</li></ul></div>

Senior Software Developer - Software Architect

Ideasoft Yazılım San ve Tic AŞ

<div><h2 class="jobSectionHeader"><b>&#304;&#351; Tan&#305;m&#305;</b></h2><div>
<b>About Us</b><br>
<br>
IdeaSoft is a technology company that will increase the competitiveness of companies of all sizes in the process of realizing their business goals, create added value, and produce quality, advanced projects and solutions.Ideasoft has been growing rapidly since 2005 and offers web-based software, design and desktop software solutions to more than +45000 businesses in the field of E-Commerce.<br>
<br>
We are looking for a skilled, motivated Software Developer to work in our office located in Dudullu-&Uuml;mraniye B&uuml;dotek. If you're a passionate software professional, a self-starter, a good problem solver and have a history of success in challenging and fast-paced environments, you could be the ideal candidate for this position.<br>
<br>
<b>Responsibilities</b><br>
<ul><li>Participate in the design and development phase of software production</li>
<li>Perform code reviews to drive teams to the highest standards for backend development</li>
<li>Preparing the relevant unit tests for the test scenarios of the applications</li>
<li>To participate and contribute to technical and architectural discussions</li>
<li>Mentoring junior developers</li>
</ul></div><h2 class="jobSectionHeader"><b>Aranan Nitelikler</b></h2><div>
<ul><li>BS degree in Software/Computer Engineering or significant relevant experience.</li>
<li>Proven track record of a minimum 5 years experience of software development, including senior experience</li>
<li>3+ years experience in one or more modern PHP frameworks (Symfony, Laravel, Phalcon etc.)</li>
<li>Experience with scalable and distributed SaaS systems</li>
<li>Solid understanding of OOP concepts and software design patterns.</li>
<li>Strong PHP programming expertise.</li>
<li>Experience with multi-threading and memory management.</li>
<li>Solid RDBMS knowledge like MySQL, PostgreSQL, Oracle, etc.</li>
<li>Experience NoSQL databases like MongoDB, Redis, CouchBase etc.</li>
<li>Experience with message queues like Kafka, RabbitMQ, etc.</li>
<li>Experience working in an agile development environment.</li>
<li>Experience version control systems like Git etc.</li>
<li>Comfort with UNIX/Linux environments.</li>
<li>An analytical mind to grasp concepts and solve problems quickly.</li>
<li>Excellent communication and collaboration skills.</li>
<li>No military obligation for male candidates.</li>
</ul><b>Nice To Have</b><br>
<ul><li>Strong knowledge of architectural patterns like Modular Monolith, Microservice, SOA, Event-driven and CQRS</li>
<li>Experience in Payment Systems</li>
<li>Experience with Jira / Confluence project management tools</li></ul></div></div>
<br><div></div><div><h2 class="jobSectionHeader"><b>&Ouml;zet Bilgiler</b></h2><ul>
<div><p><b>Pozisyon</b></p>
<div>:</div>
<div>PHP Developer
</div></div><div><p><b>Sekt&ouml;r</b></p>
<div>:</div>
<div>Bili&#351;im - &#304;nternet
</div></div><div><p><b>Kategori</b></p>
<div>:</div>
<div>Yaz&#305;l&#305;m
</div></div><div><p><b>&Ccedil;al&#305;&#351;ma &#350;ekli</b></p>
<div>:</div>
<div>Tam zamanl&#305;
</div></div><div><p><b>&Ccedil;al&#305;&#351;ma T&uuml;r&uuml;</b></p>
<div>:</div>
<div>Hibrit
</div></div><div><p><b>Pozisyon Seviyesi</b></p>
<div>:</div>
<div>Uzman
</div></div><div><p><b>&Ccedil;al&#305;&#351;ma Yeri</b></p>
<div>:</div>
<div>&#304;stanbul Anadolu Yakas&#305;
</div></div><div><p><b>&#304;lk Yay&#305;nlama Tarihi</b></p>
<div>:</div>
<div>29.09.2025
</div></div><div><p><b>G&uuml;ncelleme Tarihi</b></p>
<div>:</div>
<div>29.09.2025
</div></div><div><p><b>Son Ba&#351;vuru Tarihi</b></p>
<div>:</div>
<div>29.10.2025</div></div></ul></div>

PHP Developer

Skm Group

<p>We are a software house with a 18-year history, a rich portfolio, projects all over the world and an appetite for more. We have built our brand on professionalism and flexibility in delivering software solutions. We are not afraid of unconventional ideas and value innovation and imaginative change.</p><p>We are currently looking for a senior <b>Senior .NET Developer</b> for our team</p><p><b>Job Description:</b></p><p>You will be joining a team of skilled professionals and contributing to a large distributed application that was created for global teams to gather project-related data at one place and surface key information to clients easily. The purpose of the project is to allow internal teams to efficiently collaborate on complex projects, provide big corporate clients detailed analysis, visibility and control during multi-phase transactions running while acquiring or selling a business entity.</p><p>The application provides different roles according to a user's assignment on the current project allowing users to perform a defined subset of operations and it also allows the customers to access the shared content inside. When all the data is collected and processed, the application allows to generate a detailed report which is presented as the final output of the whole project. The application is very high-profile, uses microservice architecture and is built with focus on the highest possible technical quality using the most modern technology stack.</p><p><b>Responsibilities</b></p><ul><li>Design, develop, and maintain robust applications using C#, .NET, and SQL.</li><li>Collaborate with cross-functional teams to gather requirements and implement effective solutions.</li><li>Utilize JavaScript and HTML for front-end development, ensuring a seamless user experience.</li><li>Conduct code reviews and optimize existing code for performance and scalability.</li><li>Manage version control using GitHub and SVN, and deploy applications in cloud environments like AWS and Azure.</li></ul><p><b>Qualifications</b></p><ul><li>Proficient in C#, JavaScript, and .NET framework for software and application development</li><li>Strong experience with SQL and NoSQL databases</li><li>Familiarity with HTML, Visual Studio, and Fiddler</li><li>Knowledge of AWS, Azure, and Kubernetes for cloud-based solutions</li><li>Experience with version control systems such as GitHub and SVN</li><li>Understanding of front-end development principles and frameworks</li></ul><p><b>Tech Stack</b></p><ul><li>.NET Core, C#</li><li>ASP.NET MVC Core</li><li>WebAPI</li><li>HTML, CSS, JavaScript</li><li>Microservices</li><li>Docker, Kubernetes</li><li>Entity Framework Core, Unit of work, Repository pattern</li><li>MS SQL, NoSql, Redis</li><li>MediatR</li><li>Azure - AppService, Service Bus, Functions, SQL Database</li><li>Visual Studio, Visual Studio Code</li><li>Node.js, Npm (as a user)</li><li>Dependency Injection - .NET Core, Autofac</li><li>xUnit, MS Test - unit testing, integration testing</li><li>Authentication - OAuth, JWT</li><li>Profiling tools, Static code analysis tools</li><li>Postman, Fiddler, Web Developer tools</li></ul><p><b>Good to know before considering this project:</b></p><p>We expect top notch delivery work. Also we are looking for the right mindset:</p><ul><li>Acting as a professional (quality, behavior, work attitude)</li><li>Detail oriented approach (dev testing, adhering to ways of working, &hellip;)</li><li>Ownership and responsibility (being responsible for your area of development and being proud of what has been done)</li><li>Being able to present yourself / the work you or your team delivered</li><li>Proactivity (actively communicating when you need something or you&rsquo;re blocked, following up, helping others, etc)</li><li>A &ldquo;can do&rdquo; approach and &ldquo;team player&rdquo; personality</li><li>Ability to take in negative feedback constructively and being able to constructively give feedback (stating problem, suggesting improvements, stressing benefits)</li></ul><p><b>What do we offer you?</b></p><ul><li>Attractive salary</li><li>Large freedom and real influence</li><li>No unhealthy competition, team approach to meeting challenges</li><li>Remote work model</li><li>Company apartments in cool cities across Europe: work and enjoy a memorable getaway</li></ul><p>Job Type: Full-time</p><p>Pay: Up to 300,000.00TRY per month</p><p>Experience:</p><ul><li>.NET: 5 years (required)</li></ul>

Senior .NET Developer [J135]

ICterra Information and Communication Technologies

<div>
 <p>
  ICTERRA HAKKINDA
 </p>
 <p>
  ICterra, M&uuml;nih, &Idot;stanbul ve Ankara'da ofisleri bulunan k&uuml;resel bir yaz&inodot;l&inodot;m m&uuml;hendisli&gbreve;i &scedil;irketidir. 30 y&inodot;ll&inodot;k yaz&inodot;l&inodot;m geli&scedil;tirme deneyimini teknoloji uzmanl&inodot;&gbreve;&inodot; ve kan&inodot;tlanm&inodot;&scedil; metodolojilerle birle&scedil;tirerek, k&uuml;resel olarak birden fazla sekt&ouml;rde m&uuml;&scedil;terilerimize yenilik&ccedil;i &ccedil;&ouml;z&uuml;mler sunuyoruz. 200'den fazla yaz&inodot;l&inodot;m uzman&inodot;yla, yaz&inodot;l&inodot;m geli&scedil;tirme ve test hizmetleri sa&gbreve;layarak d&uuml;nyan&inodot;n en iyi BT ve savunma &scedil;irketleriyle stratejik ortakl&inodot;klar kuruyoruz.Finans sekt&ouml;r&uuml;nde faaliyet g&ouml;steren m&uuml;&scedil;terimiz ile birlikte y&uuml;r&uuml;tm&uuml;&scedil; oldu&gbreve;umuz projelerimiz i&ccedil;in
  <strong>
   Senior Backend Developer
  </strong>
  olarak m&uuml;&scedil;teri lokasyonundan ve uzaktan &ccedil;al&inodot;&scedil;abilecek enerjik ekip arkada&scedil;lar&inodot; ar&inodot;yoruz.
 </p>
 <p>
  <br/>
 </p>
 <p>
  GENEL N&Idot;TEL&Idot;KLER
 </p>
 <ul>
  <li>
   &Uuml;niversitelerin Bilgisayar M&uuml;hendisli&gbreve;i, Elektrik-Elektronik M&uuml;hendisli&gbreve;i, Matematik M&uuml;hendisli&gbreve;i, Bili&scedil;im Sistemleri M&uuml;hendisli&gbreve;i, End&uuml;stri M&uuml;hendisli&gbreve;i, Yaz&inodot;l&inodot;m M&uuml;hendisli&gbreve;i ve benzeri m&uuml;hendislik b&ouml;l&uuml;mlerinden mezun
  </li>
  <li>
   En az 6 y&inodot;l yaz&inodot;l&inodot;m geli&scedil;tirme tecr&uuml;besine sahip,
  </li>
  <li>
   Finans, Telekom, e-ticaret veya finans sekt&ouml;r tecr&uuml;besi olan,AGILE &ccedil;al&inodot;&scedil;ma prensibine uyum sa&gbreve;layabilecek,
  </li>
  <li>
   Tak&inodot;m &uuml;yeleri ve d&inodot;&scedil; payda&scedil;larla etkili ileti&scedil;im kurabilecek,
  </li>
  <li>
   Erkek adaylar i&ccedil;in tercihen askerlik g&ouml;revini tamamlam&inodot;&scedil;,
  </li>
  <li>
   G&uuml;&ccedil;l&uuml; ileti&scedil;ime sahip,
  </li>
  <li>
   Analitik d&uuml;&scedil;&uuml;nme yetkinli&gbreve;i olan,
  </li>
  <li>
   M&uuml;&scedil;teri ve &ccedil;&ouml;z&uuml;m odakl&inodot;,
  </li>
  <li>
   Ekip &ccedil;al&inodot;&scedil;mas&inodot;na yatk&inodot;n ve tak&inodot;m i&ccedil;erisinde uyumlu
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  TEKN&Idot;K YETK&Idot;NL&Idot;KLER
 </p>
 <ul>
  <li>
   Microsoft .NET teknolojilerine hakimOPP, SOLID prensibleri ve AOP, SOA tasar&inodot;m kal&inodot;plar&inodot; ve modellerinde bilgili ve deneyimliC#, ASP.NET, MVC, .NET Core, Rest Api, Javascript, TypeScript, JQuery, HTML5, CSS3 ve Ajax konular&inodot;nda deneyimli
  </li>
  <li>
   React, Angular, Bootstrap ve Nodejs teknolojilerinde bilgili ve deneyim sahibi
  </li>
  <li>
   Oracle, SQL, PostgreSQL etc. veri taban&inodot; bilgisine sahip
  </li>
  <li>
   Docker teknolojileri konusunda bilgili
  </li>
  <li>
   Finans sekt&ouml;r&uuml;nde deneyimli
  </li>
  <li>
   Analitik d&uuml;&scedil;&uuml;nme ve problem &ccedil;&ouml;zme becerilerine sahipEkip &ccedil;al&inodot;&scedil;mas&inodot;na uygun, ileti&scedil;im becerileri g&uuml;&ccedil;l&uuml;
  </li>
 </ul>
 <p>
 </p>
</div>


Senior Backend Developer (.NET)

Dream Games

<div>
 <p>
  We are looking for a Senior Software Engineer to join our team. You will contribute to all areas of game development, including programming of graphics, game logic, and user interface using Unity. It is not required to have prior game development experience since we believe a competent software engineer can develop great things in any field. You will work effectively as part of a multi-disciplinary team of engineers, artists, and game designers to create games that will be played by millions of people all around the world.
 </p>
 <p>
  <br/>
 </p>
 <p>
  At Dream Games, all team members have a genuine chance to contribute to the final product and have an impact on the game. If you want to be a team member of a fast-growing company, you might be the person we are looking for!
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Responsibilities
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   Designing, implementing, and testing game features
  </li>
  <li>
   Delivering well-structured code and participating in code-review sessions
  </li>
  <li>
   Creating flexible code that can be easily updated as the product evolves
  </li>
  <li>
   Contributing to the improvement of user experience in the games
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Requirements
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   3+ years of software engineering experience
  </li>
  <li>
   Strong knowledge of OOP and familiarity with Design Patterns
  </li>
  <li>
   Experience in various programming languages such as C#, Java, C++
  </li>
  <li>
   Passion for games and game programming
  </li>
  <li>
   Appreciation and understanding of teamwork
  </li>
 </ul>
</div>


Senior Software Engineer

Crs Soft

<div>
 <p>
  <strong>
   Who we are?
  </strong>
 </p>
 <p>
  It&rsquo;s time to turn on bright mode. Let&rsquo;s meet!
 </p>
 <p>
  We are a software company that produces niche technologies with an innovative, dynamic, and added-value understanding to the leading companies in its field, serving in different sectors in Turkey and abroad. For starters, the first thing you should know is that Crs is an umbrella organization. Our e-transformation brand, e-d&uuml;nya, offers digital solutions on a single platform. Our game brand Corvus Jay provides players of all ages and backgrounds with captivating, humorous, and artistic games that transcend the ordinary and deliver unforgettable experiences with its open-minded, humorous, creative, and vibrant world of pop art. We are excited to expand our investment areas and the sectors we are involved in. Our focus is on innovative research, exploring Big Data Processing, AI, machine learning, and game development. As one of the top 500 IT companies in Turkey, we are one of the fastest-growing technology companies selected by Deloitte Turkey for the 6th time in a row. Our route is always the same, the future!
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Job Description
  </strong>
 </p>
 <p>
  As a Senior Software Engineer, you will participate in agile software development process, drive development of large-scale, distributed windows-based applications and develop innovative windows applications in .NET environment. You should bring and share sufficient process experience in Agile/Scrum methodology, emphasizing collaboration and teamwork in application to large enterprise software development projects.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   The ideal candidate will have:
  </strong>
 </p>
 <p>
  &bull; BS or MS degree in computer engineering, computer science or equivalent experience
 </p>
 <p>
  &bull; 3+ years of professional software development experience in Object Oriented Programming Language
 </p>
 <p>
  &bull; Recent experience with a relational database platform
 </p>
 <p>
  &bull; Proven ability to build windows applications
 </p>
 <p>
  &bull; Experience with data structure, algorithms and design patterns
 </p>
 <p>
  &bull; Continuing to learn about and apply where appropriate, new techniques and technologies in Software Development
 </p>
 <p>
  &bull; Experience in agile tools and methodologies
 </p>
 <p>
  &bull; Good analytical skills, and being eager to develop and take on responsibility
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   The successful candidate must have a proficient knowledge of:
  </strong>
 </p>
 <p>
  &bull; Applied software development experience in .NET Framework and C#
 </p>
 <p>
  &bull; Windows Form
 </p>
 <p>
  &bull; Reflection and Multithreading
 </p>
 <p>
  &bull; Web Services, Web APIs, REST, WCF
 </p>
 <p>
  &bull; Microsoft SQL Server with good knowledge of T-SQL
 </p>
 <p>
  &bull; Using source control with Team Foundation Server or Git
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Perks &amp; Benefits
  </strong>
 </p>
 <p>
  &bull; Buffet breakfast in the office every morning
 </p>
 <p>
  &bull; Comprehensive private health insurance package
 </p>
 <p>
  &bull; Meal card &amp; commute compensation,
 </p>
 <p>
  &bull; Lots of events and celebrations (check out @crssoft on Instagram)
 </p>
 <p>
  &bull; Education fund to support learning and development opportunities
 </p>
 <p>
  &bull; Paid birthday off to spend time with your loved ones
 </p>
 <p>
  &bull; A gift book on your birthday
 </p>
 <p>
  &bull; All the technical equipment and licenses you need
 </p>
 <p>
  &bull; Marriage leave (5 days)
 </p>
 <p>
  &bull; No dress code!
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Join Us
  </strong>
 </p>
 <p>
  Work hard play hard. 😊 At Crs Soft, we benefit from the power of technology and science, and we achieve the best with our creative and innovative team. Lifelong learning, open-mindedness and leadership are part of our culture. We celebrate all our achievements and special moments together, and we know how to have fun.
 </p>
 <p>
 </p>
</div>


Chippin

<div>
 <p>
  <strong>
   About Chippin
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Chippin (Tan&inodot; Pazarlama ve &Idot;leti&scedil;im Hizmetleri A.&Scedil;.), operating as a subsidiary of Ko&ccedil; Group, offers Innovative Mobile Payment Application and integrated marketing solutions on web, store and mobile platforms with its 20 years of CRM experience and extensive database, increases the market dominance of companies and provides consultancy on these issues. It draws attention with its Data Management, 360 ̊ Campaign Management, Advanced Analytics and Business Intelligence Solutions, Loyalty Solutions, Permission Marketing Services. It has also received 33 local and 11 international awards in these fields.
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are looking at "
  <strong>
   Software Developer"
  </strong>
  for our growing organization. A brief job description of the position and preferred qualifications for suitable candidates are described below:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   <u>
    Qualifications &amp; Requirements
   </u>
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   Preferably, BSc degree in Computer or related departments of universities,
  </li>
  <li>
   Active software development experience (preferably min 5 years),
  </li>
  <li>
   Hands on experience in SQL, relational database management systems and database design is a plus,
  </li>
  <li>
   Wanting to be a member of an agile team,
  </li>
  <li>
   Agile oriented; focused on delivery and customer first,
  </li>
  <li>
   Want to experience devops processes as a developer,
  </li>
  <li>
   Preferably have knowledge of Spring Boot, Spring Cloud, React, Redis and Rabbit MQ Development and delivery experience with Java, React and Spring Boot is preferred,
  </li>
  <li>
   Strong, creative and innovative problem-solving skills, adaptable, proactive and always willing to take ownership,
  </li>
  <li>
   Strong, interpersonal and teamwork skills,
  </li>
  <li>
   Ability to work collaboratively to resolve issues,
  </li>
  <li>
   Ability to work across functions,
  </li>
  <li>
   Good command of English,
  </li>
  <li>
   No military obligation for male candidates.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   <u>
    Job Description
   </u>
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   Taking charge as software development specialist in CRM LaaS (Loyalty as a service) software development studies by adapting to agile methodologies,
  </li>
  <li>
   Technical design in line with business demands,
  </li>
  <li>
   Attending to designing, coding, unit testing, monitoring and problem solving in relevant Java based development platforms in devops discipline,
  </li>
  <li>
   Making all changes in the software development process traceable through version tracking applications,
  </li>
  <li>
   Ensuring the development and commissioning of the designed works within the planned time frame, within the determined scope, without errors, in a working manner,
  </li>
  <li>
   Learning all the processes of the subject with a detailed approach in application changes that require sector knowledge and developing software in this direction,
  </li>
  <li>
   Developing a common language between technical teams in multi-unit studies and representing the software team on behalf of the work to be done.
  </li>
 </ul>
 <p>
 </p>
</div>


Software Developer

Explore 484+ Senior software developer in Istanbul this October. Find roles across top companies and apply now to boost your career.

484 senior software developer jobs IN Istanbul

Senior Software Developer - Software Architect

PHP Developer

Senior .NET Developer [J135]

Senior Backend Developer (.NET)

Senior Software Engineer

Senior Software Engineer

Software Developer