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junior software engineer Jobs in Istanbul

junior software engineer

software development

Amadeus

<div><div><div><div><div><div><div><div><p><b>Job Title</b></p></div></div></div></div></div></div></div>
Associate Software Development Engineer<p><b>
Amadeus </b>is the leading technology provider to the travel industry and is present in 190+ countries around the world. Our innovative solutions power every part of a traveler&rsquo;s journey, from airlines to search engines, travel agencies to hotels, the world's top travel brands rely on Amadeus to help create exceptional traveler experiences.<br>
<br>
Istanbul is one of our strategic engineering hub locations, hosting business units from across the Amadeus ecosystem and working with multinational teams from around the world to shape and create the future of travel.</p><p></p><div><div><div><div><p>
In Full Stack Web Developer role, you'll be a member of the <b>Airline Engineering Services Unit </b>and find a chance to collaborate in the definition of the strategy of the Software Development, technological framework and functional approach in Agile Environment.</p><p></p><div>
Responsibilities will include analyzing airline requirements on Front End or middleware of their web applications, designing technical solutions, and developing high-quality software aligned with Amadeus standards. You will contribute to the full development cycle, including coding, testing, documentation, and support. With your technical expertise and understanding of the Amadeus business context, you will help enhance existing systems and propose innovative, reliable solutions that meet user and product needs.<br>
<br>
<b>In this role you will have the chance to:</b><br>
<br>
<ul><li>Analyse specifications</li></ul>
_ Define user requirements for the development of new (or upgrade of existing) software solutions.<br>
<br>
<ul><li>Design systems and code</li></ul>
_ Design technical solutions and perform feasibility studies.<br>
_ Propose viable technical solutions to Product Management and/or users for validation.<br>
_ Develop software according to Amadeus standards.<br>
_ Model, design and implement databases.<br>
<br>
<ul><li>Test and maintain the software</li></ul>
_ Conduct unit, package and performance tests and ensure a level of quality in line with the Amadeus guidelines.<br>
_ Participate in the validation phase of the product cycle, fine-tuning when necessary to finalize the product.<br>
_ Support the customer by debugging existing solutions in collaboration with Product Manager or Product Definition Analyst<br>
<br>
<ul><li>Document your work</li></ul>
_ Produce software documentation necessary for the application and issue it to the requesting departments.</div><p></p><p><b>
What are we looking for:</b></p><p></p><ul><li><b>Bachelor's degree</b> in Computer Science, Information Technology or equivalent</li><li>2+ years of Professional programming experience in web development</li><li>Good working experience in <b>JAVA</b>, JEE, Junit</li><li>Good working knowledge on <b>Spring </b>Framework, <b>Spring boot</b>, Hibernate, microservices</li><li>Good working experience with modern JavaScript framework (<b>Angular</b>, TypeScript)</li><li>Knowledge of Unit test tools (JUnit, Mockito, Jest, Jasmine)</li><li>Experience with RESTful APIs, JSON, XML</li><li>Knowledge of JEE application servers</li><li>Experience in application security, databases and cloud systems</li><li>Advanced level of written and oral English communication skills</li><li>Strong problem solving and analytical skills</li><li>Strong team player with a collaborative mindset</li><li>No overseas travel restrictions</li></ul><p></p><p><b>
What can we offer you?</b></p><p></p><p>
 A critical mission and purpose - At Amadeus, you'll power the future of travel with a critical mission and extraordinary purpose.</p><p>
 A truly global DNA - Everything at Amadeus is global, from our people to our business, which translates into our footprint, processes, and culture.</p><p>
 Great opportunities to learn - Learning happens all the time and in many ways at Amadeus, from on-the-job training to formal activities, and daily interactions.</p><p>
 A caring environment &ndash; Amadeus fosters a caring environment that supports both professional growth and personal well-being.</p><p>
 A complete rewards offer - Amadeus provides attractive compensation packages, including salary, bonus, caregiving and health benefits and health benefits.</p><p>
 A flexible working model - Embrace our flexible working model, enabling you to excel wherever and however you work best.</p><p>
 A diverse, equitable, and inclusive community &ndash; We are committed to enabling each employee to reach their full potential by fostering a culture of belonging and fair treatment.</p><p>
 A Reliable Company - Trust and reliability are fundamental to shaping our relationships with customers, partners, and employees.<br>
<br>
#LI-EMEA</p></div></div></div></div><p></p><p><b>
Diversity &amp; Inclusion</b></p><p></p><div><p>
Amadeus aspires to be a leader in Diversity, Equity and Inclusion in the tech industry, enabling every employee to reach their full potential by fostering a culture of belonging and fair treatment, attracting the best talent from all backgrounds, and as a role model for an inclusive employee experience.</p></div><p></p><div><p>
Amadeus is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to gender, race, ethnicity, sexual orientation, age, beliefs, disability or any other characteristics protected by law.</p></div></div><p></p>

Associate Software Development Engineer

Luxoft

<div><div><h5 class="jobSectionHeader"><b>Project description
</b></h5><p>Working on GPU support for OpenAI/Triton &mdash; a language and compiler for writing highly efficient custom Deep-Learning primitives. Work with the open-source community to analyze, develop, test, and deploy performance improvements for neural networks implemented with Triton on GPUs with ROCm.
</p></div><div><h5 class="jobSectionHeader"><b>Responsibilities</b></h5>
<div><div><p>New features development, support and optimization of OpenAI/Triton project for GPUs. Communication with other developers, customers and project managers. Test implementation, project documentation and verification of system with unit/component/functional tests.
</p></div></div></div><div><h5 class="jobSectionHeader"><b>Skills</b></h5>
<p>Must have
</p><div><div><p>Strong C/C++ programming skills
</p></div><div><p>Experience with compiler internals (llvm, gcc or any other)
</p></div><div><p>Basic Python programming skills
</p></div><div><p>Experience in performance analysis
</p></div></div><p>Nice to have
</p><div><div><p>Basic understanding of ML technologies
</p></div><div><p>Experience with GPGPU (General purpose GPU) computing (HIP, CUDA, OpenCL, etc.)
</p></div><div><p>Experience with PyTorch
</p></div><div><p>Experience with LLVM and MLIR compiler infrastructure, analysis or optimizations implementation
</p></div><div><p>Knowledge of ROCm infrastructure
</p></div><div><p>Experience in CMake, make/ninja build system
</p></div><div><p>GEMM performance fundamentals
</p></div><div><p>Experience with Docker
</p></div></div></div><div><h5 class="jobSectionHeader"><b>Other</b></h5>
<div><div><div><p>Languages</p>
<p>English: B2 Upper Intermediate
</p></div></div><div><div><p>Seniority</p>
<p>Senior</p></div></div></div></div></div>
<br><div><div><div><p>Istanbul, Turkiye
</p></div><p>Req. VR-107510
</p></div><div></div><div><div><p>C/C++
</p></div><div><p>Automotive Industry</p>
</div><div><p>26/08/2025
</p></div><div><p>Req. VR-107510</p></div></div></div><p></p>

Senior GPU Compiler Software Development Engineer

ALGOCOR

<div>
 <p>
  Algocor is a financial sciences company that utilizes new technologies, meticulous R&amp;D and rigorous procedures to solve the toughest problems in global markets. Our team consists of scientists, technologists, and domain practitioners who develop state of the art technological solutions.
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are seeking a talented software engineer with a passion for solving difficult problems to join our highly motivated and innovative Software Engineering team. As a Software Engineer, you will step into an incredible learning opportunity.
 </p>
 <p>
  <br/>
 </p>
 <p>
  If you have a strong background in C++, an interest in network protocols and a passion for building low latency trading systems, you should apply for this exciting opportunity.
 </p>
 <p>
  <br/>
 </p>
 <p>
  You will take on the following responsibilities:
 </p>
 <p>
  ● Work on a highly productive and efficient team to solve challenging problems.
 </p>
 <p>
  ● Write highly performant code in modern C++, design excellent architecture, expose and fix bugs in complex designs.
 </p>
 <p>
  ● Develop effective techniques, procedures and infrastructure, from the initial idea to the running product.
 </p>
 <p>
  ● Knowledge of Linux operating systems, system/processor performance, network communications, and socket programming.
 </p>
 <p>
  ● Have knowledge on low latency development techniques and computer architecture.
 </p>
 <p>
  ● Collaborate with our data science team or lead technology projects to implement your ideas into production
 </p>
 <p>
  <br/>
 </p>
 <p>
  You should possess the following qualifications:
 </p>
 <p>
  ● Bachelor&rsquo;s degree in Computer Science or Engineering.
 </p>
 <p>
  ● 3+ years of experience in software development.
 </p>
 <p>
  ● Experience with scientific computing and algorithm development.
 </p>
 <p>
  ● A background or interest in building large-scale, real-time, and distributed applications is desired.
 </p>
 <p>
  ● Experience developing high-performance, multi-threaded applications using C++.
 </p>
 <p>
  ● Like to work in a team who challenges you, and makes you better at what you do.
 </p>
 <p>
  <br/>
 </p>
 <p>
  You will enjoy the following benefits:
 </p>
 <p>
  ● Core Benefits: Competitive salary package with bonus. Fully paid medical insurance.
 </p>
 <p>
  ● Time Off: Generous vacation and sick days.
 </p>
 <p>
  ● Perks: Onsite gym, wellness activities, and casual dress.
 </p>
 <p>
  <br/>
 </p>
 <p>
  Contact: info@algocor.co
 </p>
</div>


Software Engineer (C++)

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

Kuantist

<div>
 <p>
  <strong>
   We're Hiring: Software Engineer @Kuantist 🛠️🚀
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  At
  <strong>
   Kuantist
  </strong>
  , we&rsquo;re not just building software &mdash; we&rsquo;re building something smarter, faster, and cleaner. We&rsquo;re a passionate, innovative team that thrives on solving real-world problems with elegant, scalable tech. If you&rsquo;re a
  <strong>
   Software Engineer
  </strong>
  who enjoys creating world-class digital solutions, working with modern technologies, and collaborating in a fast-paced environment, we&rsquo;d love to meet you. 💜
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   What You&rsquo;ll Be Doing: 🖥️
  </strong>
 </p>
 <ul>
  <li>
   Develop and deliver cutting-edge digital solutions for our platform using modern technologies and design patterns
  </li>
  <li>
   Collaborate closely with architects and delivery teams to turn business requirements into innovative technical solutions
  </li>
  <li>
   Help maintain and improve existing solutions while designing new ones
  </li>
  <li>
   Build scalable, robust applications and ensure they meet high-performance standards
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   What We're Looking For:
  </strong>
  🔍
 </p>
 <ul>
  <li>
   Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, or related fields
  </li>
  <li>
   3+ years of experience in software development, particularly with
   <strong>
    .NET Core, C#, Microservices, and Restful Architecture
   </strong>
  </li>
  <li>
   Hands-on experience with
   <strong>
    SQL Server, EF Core,
   </strong>
   RabbitMQ, Kafka, and Elasticsearch
  </li>
  <li>
   Familiarity with Angular is a plus
  </li>
  <li>
   Solid understanding o
   <strong>
    f SDLC, agile practices
   </strong>
   (DevOps, Continuous Delivery, Scrum, Kanban), and working with CI/CD pipelines
  </li>
  <li>
   Experience with containerization and cloud technologies like Docker, Kubernetes, and
   <strong>
    Azure is highly desirable
   </strong>
  </li>
  <li>
   Excellent written and verbal communication skills in English
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Why Kuantist? 💜
  </strong>
 </p>
 <ul>
  <li>
   We&rsquo;re a young and curious team with a startup spirit &mdash; agile, open, and always learning. At Kuantist, we&rsquo;re passionate about creating efficient, user-centric solutions and constantly pushing boundaries.
  </li>
  <li>
   You&rsquo;ll have real ownership over your work, and the opportunity to shape scalable, impactful systems from the ground up.
  </li>
  <li>
   <strong>
    &nbsp;Your voice will be heard
   </strong>
   , your work will be visible, and your contributions will truly matter.
  </li>
  <li>
   We have offices both in Istanbul Teknopark and &Scedil;i&scedil;li. Our technical team usually works from
   <strong>
    Teknopark 3 days a week
   </strong>
   , based on mutually agreed days &mdash; it&rsquo;s all about what works best for the team. You decide together. 🧑&zwj;💻
  </li>
 </ul>
</div>


Software Engineer

Crs Soft

<div>
 <p>
  <strong>
   Who we are?
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  It&rsquo;s time to turn on bright mode. Let&rsquo;s meet!
 </p>
 <p>
  <br/>
 </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>
  <br/>
 </p>
 <p>
  As a Software Engineer in Test, you will be responsible for designing, developing, and maintaining automated test frameworks to enhance the quality and efficiency of our software products. You will collaborate with cross-functional teams to identify testing requirements, develop test plans, and implement automation strategies that align with our development processes. This role requires a deep understanding of software testing principles, automation tools, and programming languages to ensure the reliability and scalability of our applications.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Responsibilities
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   Develop, implement, and maintain automated test scripts using Selenium, Playwright
   <strong>
   </strong>
   or similar tools.
  </li>
  <li>
   Collaborate with development teams to design test cases and improve software quality.
  </li>
  <li>
   Ensure test automation coverage across functional, regression and end-to-end testing.
  </li>
  <li>
   Debug and analyze test failures, report defects and work closely with engineers to resolve issues.
  </li>
  <li>
   Continuously enhance and optimize test automation frameworks.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Experience &amp; Skills
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   2+ years of experience in software test automation.
  </li>
  <li>
   Experience with automated testing tools such as Selenium, Playwright or similar.
  </li>
  <li>
   Hands-on experience in developing test scripts using .Net, C#, TypeScript, and JavaScript.
  </li>
  <li>
   Proficiency in Python for scripting and automation tasks.
  </li>
  <li>
   Strong understanding of software testing methodologies, test case design and defect tracking.
  </li>
  <li>
   Experience in debugging test failures and troubleshooting automation frameworks.
  </li>
  <li>
   Familiarity with API testing frameworks.
  </li>
  <li>
   Knowledge of performance testing best practices.
  </li>
  <li>
   Exposure to Agile/Scrum development environments.
  </li>
  <li>
   Strong analytical and problem-solving abilities.
  </li>
  <li>
   Excellent communication and collaboration skills.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Perks &amp; Benefits
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   Buffet breakfast in the office every morning
  </li>
  <li>
   Comprehensive private health insurance package
  </li>
  <li>
   Meal card &amp; commute compensation
  </li>
  <li>
   Lots of events and celebrations (check out @crssoft on Instagram)
  </li>
  <li>
   Education fund to support learning and development opportunities
  </li>
  <li>
   Paid birthday off to spend time with your loved ones
  </li>
  <li>
   A gift book on your birthday
  </li>
  <li>
   All the technical equipment and licenses you need
  </li>
  <li>
   Interviews and Q&amp;A sessions with experts
  </li>
  <li>
   Marriage leave (5 days)
  </li>
  <li>
   No dress code!
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Join Us
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Are you passionate about what you are doing or do you have the craziest ideas? If you have an urge to learn and develop more, then you are welcome at Crs. We work with passion and get inspired by each other. You will always find encouragement to do your best, to join various events, to learn new things, and to have fun!
 </p>
 <p>
 </p>
</div>


Software Engineer in Test

Atos

<div>
 <p>
  <strong>
   About Atos
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   The future is our choice
  </strong>
 </p>
 <p>
  Atos is a global leader in digital transformation with 110,000 employees in 73 countries and annual revenue of &euro; 12 billion. European number one in Cloud, Cybersecurity and High-Performance Computing, the Group provides end-to-end Orchestrated Hybrid Cloud, Big Data, Business Applications and Digital Workplace solutions. The Group is the Worldwide Information Technology Partner for the Olympic &amp; Paralympic Games and operates under the brands Atos, Atos|Syntel, and Unify. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index.
 </p>
 <p>
  The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   About Atos Customer Services T&uuml;rkiye
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Atos Customer Services T&uuml;rkiye has been providing outsourcing services, including call center and document processing, since 1997. Call center services are provided not only in Turkey, but also in global projects with languages varying from Western European languages to Arabic and Russian. Currently operating in four locations, &Idot;stanbul, Batman, Ordu, and Duzce with +1,900 employees, In 2023, Atos Customer Services was also awarded the Company of the Year (GOLD) award by Global Stevies. These remarkable achievements build upon the legacy of success that Atos Customer Services has established over its 26+ years of operation in T&uuml;rkiye and the commitment to delivering exceptional customer experience. Moreover, Atos T&uuml;rkiye Customer Services has been recognized as one of the Best Employers in T&uuml;rkiye in the large-scale category (+1000 employees) by the Great Place to Work Institute.
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are seeking a
  <strong>
   Software Development Engineer
  </strong>
  (Call Center Integrations) to join
  <strong>
   Atos Customer Services.
  </strong>
  The role focuses on call center integration projects with the Genesys Engage platform and our strategic customers in the financial sector. You will be responsible for ensuring the sustainability of existing systems and technically addressing new integration requirements.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Job Description
  </strong>
 </p>
 <ul>
  <li>
   Develop and maintain integrations between Genesys Engage and customer systems (especially in the banking sector)
  </li>
  <li>
   Monitor and improve existing integrations in coordination with the Senior Developer
  </li>
  <li>
   Provide customization, integration, and debugging support in response to customers&rsquo; technical requirements
  </li>
  <li>
   Write, analyze, and optimize SQL queries for performance
  </li>
  <li>
   Contribute to the maintenance and development of custom applications supporting call center operations
  </li>
  <li>
   Design and implement RESTful API&ndash;based integrations
  </li>
  <li>
   Identify improvement opportunities by keeping up with emerging technologies
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Professional Experience
  </strong>
 </p>
 <ul>
  <li>
   Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, or a related field,
  </li>
  <li>
   Minimum 3 years of software development experience,
  </li>
  <li>
   Knowledge of Genesys Engage, preferably with integration experience,
  </li>
  <li>
   Strong language skills in English,
  </li>
  <li>
   Strong proficiency in SQL (Stored Procedures, Triggers, Views); advanced SQL experience in banking projects is a plus,
  </li>
  <li>
   Experience with REST API usage and integrations,
  </li>
  <li>
   Hands-on experience with at least two of the following languages: C# / .NET Framework, Java (preferred), JavaScript / TypeScript (preferred), Python (preferred for data processing or integration purposes), Knowledge of call center systems (CTI, IVR) is a plus, Experience with version control systems (Git, GitLab, etc.), Basic awareness of front-end technologies such as HTML and CSS (no development responsibility required
   <strong>
    ).
   </strong>
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  Here at Atos, we want all our employees to feel valued, appreciated, and free to be who they are at work. Our employee lifecycle processes are designed to prevent discrimination against our people regardless of gender identity or expression, sexual orientation, religion, ethnicity, age, neurodiversity, disability status, citizenship, or any other aspect which makes them unique. Across the globe, we have created a variety of programs to embed our Atos culture of inclusivity, and work hard to ensure that all our employees have an equal opportunity to contribute and feel that they are exactly where they belong.
 </p>
</div>


Explore 700+ Software development in Istanbul this September. Find roles across top companies and apply now to boost your career.

700 software development jobs IN Istanbul

Associate Software Development Engineer

Senior GPU Compiler Software Development Engineer

Software Engineer (C++)

Senior Software Engineer

Software Engineer

Software Engineer in Test

Software Engineer