test engineer

backend engineer

Rapsodo

<div>
 Rapsodo is a sports technology company that designs computer vision and machine learning products to help athletes maximize their performance. With offices strategically located in Singapore, Turkey, the USA, Japan, and the UK. Rapsodo is the undisputed leader in sports technology. Current partners include all 30 MLB teams, MLB, USA Baseball, Golf Digest, PGA of America, and over 1000 NCAA athletic departments.
 <br/>
 <br/>
 Opened in 2018, our Turkey office operates as the R&amp;D arm of Rapsodo. We have offices located in Bayrakl&inodot; &amp; Technopark in the Izmir Ege University, recognized by the Ministry of Science, Industry and Technology as one of Turkey's most successful Technoparks. Our offices incorporate UI/UX, Mobile, Cloud Technologies along with Computer Vision, Deep Learning, Data Science and Unity teams. Rapsodo is rapidly growing, and we are looking for team players who will contribute to deliver state-of-the-art solutions with us. We're looking for a Backend Engineer to join us!
 <br/>
 <br/>
 <strong>
  Responsibilities:
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Lead the design, development, and maintenance of cloud-based backend applications using Go (Golang) programming language
  </li>
  <li>
   Collaborate closely with cross-functional teams to gather requirements, architect solutions, and implement features that align with business needs
  </li>
  <li>
   Utilize PostgreSQL and Elasticsearch to design and optimize databases and data storage solutions for efficient retrieval and real-time querying
  </li>
  <li>
   Develop real-time applications and services on Google Cloud Platform (GCP), leveraging cloud-native tools and technologies
  </li>
  <li>
   Implement RESTful APIs and microservices to ensure scalable and performant communication between various components of the application
  </li>
  <li>
   Write clean, maintainable, and testable code while following best practices for software development
  </li>
  <li>
   Monitor application performance and troubleshoot issues to ensure optimal functionality and user experience
  </li>
  <li>
   Stay updated with industry trends and emerging technologies, suggesting innovations that enhance our backend architecture
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Requirements:
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Bachelor's or higher degree in Computer Science, Software Engineering, or a related field
  </li>
  <li>
   Extensive experience in backend development, including a strong proficiency in the Go programming language
  </li>
  <li>
   Proven expertise in building cloud-based applications and services, preferably on Google Cloud Platform (GCP)
  </li>
  <li>
   Solid understanding of database design and optimization using PostgreSQL and Elasticsearch
  </li>
  <li>
   Experience in utilizing AI-assisted development tools for coding, code review, and integrating AI capabilities into the software development lifecycle
  </li>
  <li>
   Experience with RESTful API development and microservices architecture
  </li>
  <li>
   Familiarity with containerization and orchestration tools such as Docker and Kubernetes
  </li>
  <li>
   Strong knowledge of version control systems like Git
  </li>
  <li>
   Excellent problem-solving skills and the ability to troubleshoot complex technical issues
  </li>
  <li>
   Self-motivated and capable of working independently as well as within a collaborative team environment
  </li>
  <li>
   Strong communication skills to interact effectively with both technical and non-technical team members
  </li>
 </ul>
</div>


Backend Engineer

<div><p>Rapsodo is a sports technology company that designs computer vision and machine learning products to help athletes maximize their performance. With offices strategically located in Singapore, Turkey, the USA, Japan, and the UK. Rapsodo is the undisputed leader in sports technology. Current partners include all 30 MLB teams, MLB, USA Baseball, Golf Digest, PGA of America, and over 1000 NCAA athletic departments.<br>
<br>
Opened in 2018, our Turkey office operates as the R&amp;D arm of Rapsodo. We have offices located in Bayrakl&#305; &amp; Technopark in the Izmir Ege University, recognized by the Ministry of Science, Industry and Technology as one of Turkey&rsquo;s most successful Technoparks. Our offices incorporate UI/UX, Mobile, Cloud Technologies along with Computer Vision, Deep Learning, Data Science and Unity teams. Rapsodo is rapidly growing, and we are looking for team players who will contribute to deliver state-of-the-art solutions with us. We're looking for a Backend Engineer to join us!<br>
<br>
<b>Responsibilities:</b></p><ul>
<li>
Lead the design, development, and maintenance of cloud-based backend applications using Go (Golang) programming language.</li>
<li>Collaborate closely with cross-functional teams to gather requirements, architect solutions, and implement features that align with business needs.</li>
<li>Utilize PostgreSQL and Elasticsearch to design and optimize databases and data storage solutions for efficient retrieval and real-time querying.</li>
<li>Develop real-time applications and services on Google Cloud Platform (GCP), leveraging cloud-native tools and technologies.</li>
<li>Implement RESTful APIs and microservices to ensure scalable and performant communication between various components of the application.</li>
<li>Write clean, maintainable, and testable code while following best practices for software development.</li>
<li>Monitor application performance and troubleshoot issues to ensure optimal functionality and user experience.</li>
<li>Stay updated with industry trends and emerging technologies, suggesting innovations that enhance our backend architecture.</li>
</ul><p><b>
Requirements:</b></p><ul>
<li>
Bachelor's or higher degree in Computer Science, Software Engineering, or a related field.</li>
<li>Extensive experience in backend development, including a strong proficiency in the Go programming language.</li>
<li>Proven expertise in building cloud-based applications and services, preferably on Google Cloud Platform (GCP).</li>
<li>Solid understanding of database design and optimization using PostgreSQL and Elasticsearch.</li>
<li>Experience in utilizing AI-assisted development tools for coding, code review, and integrating AI capabilities into the software development lifecycle.</li>
<li>Experience with RESTful API development and microservices architecture.</li>
<li>Familiarity with containerization and orchestration tools such as Docker and Kubernetes.</li>
<li>Strong knowledge of version control systems like Git.</li>
<li>Excellent problem-solving skills and the ability to troubleshoot complex technical issues.</li>
<li>Self-motivated and capable of working independently as well as within a collaborative team environment.</li>
<li>Strong communication skills to interact effectively with both technical and non-technical team members.</li></ul></div>

Umay Ajans

<p><b>About Us</b><br/>We are an internationally award-winning design agency, crafting high-impact digital experiences for brands across various industries. Our team blends strategy, design and technology to deliver pixel-perfect, user-focused solutions.</p><p>We are currently looking for a <b>project-based Senior WordPress Developer</b> who can collaborate with our design and strategy teams to transform complex ideas into robust, scalable WordPress solutions.</p><p><b>Role Overview</b></p><p>As our <b>WordPress Development Specialist</b>, you will be responsible for building and extending custom WordPress solutions with a strong focus on:</p><ul><li>Backend development</li><li>API integrations</li><li>Custom plugin development</li></ul><p>This is a <b>project-based / contract role</b>, with the potential for long-term collaboration on multiple projects.</p><p><b>Key Responsibilities</b></p><ul><li>Develop, customize and maintain WordPress websites with a focus on backend architecture.</li><li>Implement and manage <b>API integrations</b> (REST, JSON, third-party services, etc.).</li><li>Develop, extend and maintain <b>custom WordPress plugins</b> to meet project-specific needs.</li><li>Customize themes and templates beyond the standard options (functions.php, custom post types, taxonomies, hooks, filters, etc.).</li><li>Ensure <b>performance optimization</b> (caching, queries, assets, Core Web Vitals) and <b>security best practices</b>.</li><li>Work closely with our <b>UX/UI design team</b> to translate design systems and layouts into pixel-perfect, responsive WordPress implementations.</li><li>Debug and resolve complex backend issues in staging and production environments.</li><li>Integrate and configure third-party tools (e.g. marketing tools, CRMs, analytics, form services, payment gateways where relevant).</li><li>Document technical solutions clearly for internal teams and future maintenance.</li></ul><p><b>Requirements</b></p><ul><li><b>Strong experience in WordPress backend development</b> (please indicate years of experience).</li><li>Proven experience with <b>API integration</b> within WordPress (REST APIs, webhooks, JSON, OAuth, etc.).</li><li>Proven experience in <b>custom plugin development</b> (not only modifying existing plugins).</li><li>Solid knowledge of <b>PHP</b>, <b>MySQL</b>, and WordPress core architecture.</li><li>Familiarity with <b>WordPress hooks, filters, actions and custom post types</b>.</li><li>Experience working with <b>Git</b> or other version control systems.</li><li>Ability to read and implement from <b>Figma / design files</b> with high attention to detail.</li><li>Good understanding of <b>security, performance optimization and best practices</b> for WordPress.</li><li>Comfortable working <b>remotely</b> and communicating asynchronously with an international team.</li><li><b>Professional working proficiency in English</b> (written and spoken).</li></ul><p><b>Nice to Have</b></p><ul><li>Experience with <b>WooCommerce</b> or other e-commerce setups.</li><li>Experience with <b>headless WordPress</b> (e.g. WP as a CMS with React, Next.js, etc.).</li><li>Knowledge of <b>ACF (Advanced Custom Fields)</b> or similar tools.</li><li>Experience with <b>multilingual sites</b> (WPML, Polylang or similar).</li><li>Familiarity with <b>CI/CD workflows</b> and modern deployment practices.</li></ul><p><b>What We Offer</b></p><ul><li>Opportunity to work with an <b>award-winning design agency</b> on high-visibility projects.</li><li>A <b>design-driven environment</b> where quality and details truly matter.</li><li>Flexible, project-based collaboration with potential for ongoing work.</li><li>A professional, collaborative team that values clear communication and responsibility.</li></ul><p><b>How to Apply</b></p><p>If this sounds like you, please apply with:</p><ul><li>Your <b>CV or LinkedIn profile</b></li><li>A link to your <b>portfolio / GitHub / Bitbucket</b> (or similar)</li><li><b>3&ndash;5 WordPress projects</b> you are most proud of (with a brief note on your role and responsibilities)</li><li>Your <b>typical project rate or hourly rate</b></li><li>Your <b>availability</b> (time zone, weekly hours you can dedicate, and earliest possible start date)</li></ul><p>We look forward to building great digital experiences together.</p><p>Job Type: Contract</p><p>Pay: From 450.00TRY per hour</p><p>Expected hours: No less than 10 per week</p><p>Application Question(s):</p><ul><li>Do you have at least 3 years of professional experience in WordPress backend development?</li><li>Have you developed at least one custom WordPress plugin from scratch for a real client project?</li><li>Have you implemented REST or JSON API integrations (e.g. third-party services, CRMs, payment providers) in WordPress projects?</li><li>Are you comfortable working with custom post types, custom taxonomies, hooks, actions and filters in WordPress?</li><li>Do you have strong working knowledge of PHP and MySQL as they relate to WordPress development?</li><li>Have you previously been responsible for optimizing performance and security of WordPress sites before launch?</li><li>Do you regularly use Git or another version control system in your development workflow?</li><li>Have you worked on projects where you had to convert Figma/Sketch/XD designs into pixel-perfect, responsive WordPress layouts?</li><li>Have you been the person responsible for debugging and fixing complex backend issues on WordPress projects?</li><li>Are you available to work on a remote, project-based / contract basis?</li><li>Can you start within the next 4 weeks if we decide to work together?</li><li>Have you worked on at least one WooCommerce or other WordPress e-commerce project?</li><li>Have you ever used WordPress as a headless CMS (e.g. with React, Next.js, or similar frameworks)?</li><li>Are you familiar with ACF (Advanced Custom Fields) or a similar custom fields framework in WordPress?</li></ul>

WordPress Backend & API Developer (Project-Based)

<div><p>Rapsodo is a sports technology company that designs computer vision and machine learning products to help athletes maximize their performance. With offices strategically located in Singapore, Turkey, the USA, Japan, and the UK. Rapsodo is the undisputed leader in sports technology. Current partners include all 30 MLB teams, MLB, USA Baseball, Golf Digest, PGA of America, and over 1000 NCAA athletic departments.<br>
<br>
Opened in 2018, our Turkey office operates as the R&amp;D arm of Rapsodo. We have offices located in Bayrakl&#305; &amp; Technopark in the Izmir Institute of Technology, recognized by the Ministry of Science, Industry and Technology as one of Turkey&rsquo;s most successful Technoparks. Our offices incorporate UI/UX, Mobile, Cloud Technologies along with Computer Vision, Deep Learning, Data Science and Unity teams. Rapsodo is rapidly growing, and we are looking for team players who will contribute to deliver state-of-the-art solutions with us. We're looking for a <b>Unity Architect </b>to join us!<br>
<br>
<b>Key Responsibilities:</b></p><ul>
<li>
Design and architect robust, scalable, and modular systems for complex applications</li>
<li>Develop and oversee multiplayer features including matchmaking, real-time communication, and session management</li>
<li>Optimize performance across rendering, physics, and runtime efficiency for PC, mobile, and embedded devices</li>
<li>Integrate and manage APIs, SDKs, backend systems, and real-time data streams with Unity applications</li>
<li>Conduct advanced profiling, debugging, and troubleshooting of complex runtime issues</li>
<li>Define technical roadmap and evaluate new Unity features, tools, and industry best practices</li>
<li>Drive technical standards and establish development methodologies within agile teams</li>
<li>Collaborate cross-functionally in sprint planning, technical reviews, and retrospectives</li>
<li>Provide technical guidance and architectural decisions for enterprise-level projects</li>
<li>Lead and mentor a team of Unity developers in enterprise and simulation application development</li>
</ul><p></p><p><b>
Qualifications:</b></p><ul>
<li>
Bachelor's or Master's degree in Computer Science, Software Engineering, Game Development, or equivalent experience</li>
<li>5-7+ years of professional Unity development experience with multiple shipped projects (enterprise applications, simulation tools, or games)</li>
<li>2+ years of team leadership, mentoring, or technical lead experience</li>
<li>Expert-level proficiency in C# and Unity's scripting API</li>
<li>Deep knowledge of Unity core systems (physics, rendering, asset management, input, scene management)</li>
<li>Proven experience with multiplayer systems (matchmaking, synchronization, networking protocols)</li>
<li>Hands-on experience with Nakama or similar backend solutions for multiplayer game services</li>
<li>Strong background in backend service integration (REST, WebSocket, gRPC)</li>
<li>Hands-on experience with performance profiling and optimization</li>
<li>Advanced skills in performance profiling, optimization, and debugging</li>
<li>Demonstrated leadership abilities and team management experience</li>
<li>Strong architectural thinking and system design capabilities</li>
<li>Excellent problem-solving and analytical skills</li>
<li>Outstanding communication and mentoring abilities</li>
<li>Must be based in &#304;zmir or willing to relocate to &#304;zmir</li></ul></div>

Unity Software Architect

<div>
 Rapsodo is a sports technology company that designs computer vision and machine learning products to help athletes maximize their performance. With offices strategically located in Singapore, Turkey, the USA, Japan, and the UK. Rapsodo is the undisputed leader in sports technology. Current partners include all 30 MLB teams, MLB, USA Baseball, Golf Digest, PGA of America, and over 1000 NCAA athletic departments.
 <br/>
 <br/>
 Opened in 2018, our Turkey office operates as the R&amp;D arm of Rapsodo. We have offices located in Bayrakl&inodot; &amp; Technopark in the Izmir Institute of Technology, recognized by the Ministry of Science, Industry and Technology as one of Turkey's most successful Technoparks. Our offices incorporate UI/UX, Mobile, Cloud Technologies along with Computer Vision, Deep Learning, Data Science and Unity teams. Rapsodo is rapidly growing, and we are looking for team players who will contribute to deliver state-of-the-art solutions with us. We're looking for a
 <strong>
  Unity Architect
 </strong>
 to join us!
 <br/>
 <br/>
 <strong>
  Key Responsibilities:
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Design and architect robust, scalable, and modular systems for complex applications
  </li>
  <li>
   Develop and oversee multiplayer features including matchmaking, real-time communication, and session management
  </li>
  <li>
   Optimize performance across rendering, physics, and runtime efficiency for PC, mobile, and embedded devices
  </li>
  <li>
   Integrate and manage APIs, SDKs, backend systems, and real-time data streams with Unity applications
  </li>
  <li>
   Conduct advanced profiling, debugging, and troubleshooting of complex runtime issues
  </li>
  <li>
   Define technical roadmap and evaluate new Unity features, tools, and industry best practices
  </li>
  <li>
   Drive technical standards and establish development methodologies within agile teams
  </li>
  <li>
   Collaborate cross-functionally in sprint planning, technical reviews, and retrospectives
  </li>
  <li>
   Provide technical guidance and architectural decisions for enterprise-level projects
  </li>
  <li>
   Lead and mentor a team of Unity developers in enterprise and simulation application development
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Qualifications:
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Bachelor's or Master's degree in Computer Science, Software Engineering, Game Development, or equivalent experience
  </li>
  <li>
   5-7+ years of professional Unity development experience with multiple shipped projects (enterprise applications, simulation tools, or games)
  </li>
  <li>
   2+ years of team leadership, mentoring, or technical lead experience
  </li>
  <li>
   Expert-level proficiency in C# and Unity's scripting API
  </li>
  <li>
   Deep knowledge of Unity core systems (physics, rendering, asset management, input, scene management)
  </li>
  <li>
   Proven experience with multiplayer systems (matchmaking, synchronization, networking protocols)
  </li>
  <li>
   Hands-on experience with Nakama or similar backend solutions for multiplayer game services
  </li>
  <li>
   Strong background in backend service integration (REST, WebSocket, gRPC)
  </li>
  <li>
   Hands-on experience with performance profiling and optimization
  </li>
  <li>
   Advanced skills in performance profiling, optimization, and debugging
  </li>
  <li>
   Demonstrated leadership abilities and team management experience
  </li>
  <li>
   Strong architectural thinking and system design capabilities
  </li>
  <li>
   Excellent problem-solving and analytical skills
  </li>
  <li>
   Outstanding communication and mentoring abilities
  </li>
  <li>
   Must be based in &Idot;zmir or willing to relocate to &Idot;zmir
  </li>
 </ul>
</div>


VARTEQ

<p>We&rsquo;re partnering with a global organization that builds and secures large-scale digital platforms used by enterprises worldwide. The team is expanding its engineering group to strengthen integrations between Salesforce B2B Commerce and modern backend systems built on .NET Core and Azure. This is a long-term project with real technical depth &ndash; perfect for someone who enjoys bridging platforms, designing clean integration logic, and delivering solutions that scale.</p><p><b>What you&rsquo;ll do:</b></p><ul><li>Design and develop backend components and integrations between Salesforce B2B Commerce and external systems (.NET Core / Azure).</li><li>Work with Apex and Lightning components to enhance and customize Salesforce functionality.</li><li>Build and optimize APIs for data exchange, authentication, and payment processing (including credit card integrations).</li><li>Write efficient SOQL queries and maintain high-quality, reusable code.</li><li>Collaborate with cross-functional teams across product, security, and infrastructure.</li><li>Contribute to architecture discussions and recommend best practices for scalability and maintainability.</li></ul><p><b>What we&rsquo;re looking for:</b></p><ul><li>5+ years of experience in software development, ideally combining Salesforce and .NET environments.</li><li>Strong hands-on experience with Salesforce B2B Commerce, Apex, Lightning Web Components, and SOQL.</li><li>Solid knowledge of .NET Core (3.1+), and Azure services (Functions, App Services, or Logic Apps).</li><li>Proven experience with RESTful API design and integration.</li><li>Understanding of payment gateway or credit card processing (e.g., PayPal, Stripe, or Braintree).</li><li>Strong communication skills and ability to work within an international, agile team.</li></ul><p><b>What We Offer:</b></p><ul><li>Fully remote collaboration with flexible working hours.</li><li>Paid vacation, sick leave, and extra day offs for public holidays.</li><li>Opportunity to work on enterprise-level digital platforms used by global clients.</li><li>Competitive compensation aligned with senior-level expertise.</li><li>Supportive, international engineering team focused on technical excellence and knowledge sharing.</li><li>Long-term engagement with room for professional growth and new responsibilities.</li></ul><p>Job Type: Full-time</p>

Salesforce Developer (B2B Commerce Cloud)

<div></div><div><div><div><h2 class="jobSectionHeader"><b>Become our next FutureStarter</b></h2><p>
Are you ready to make an impact? ZF is looking for talented individuals to join our team. As a FutureStarter, you&rsquo;ll have the opportunity to shape the future of mobility. Join us and be part of something extraordinary!</p>
</div></div><div><div><div><div><h1 class="jobSectionHeader"><b>Test Engineer
</b></h1></div></div></div></div><div><div><div><div>Country/Region: TR
</div></div></div></div><div><div><div><div>Location:
Izmir, 35, TR, 35620
</div></div></div></div><p></p><div><div><div><div><p>Req ID 82568 | Izmir, T&uuml;rkiye, ZF Lemf&ouml;rder Aks Mod&uuml;lleri Sanayi ve Ticaret Anonim Sirket</p><p><br>
</p><div><div><div><h2 class="jobSectionHeader"><b>Job Description</b></h2>
</div><div><p><b>
About the Team:</b></p>
<p>
We are expanding our R&amp;D and Product Engineering team across Izmir and looking for Test Engineer to join us in Izmir with Division Chassis Solutions.</p>
<p><b>
What you can look forward to as Test Engineer:</b></p>
<ul>
<li>Daily international teamwork with colleagues mainly from Germany (HQ), China, USA and also planning and performing of Chassis Component tests including result analysis and reporting.</li>
<li>Hands on work in the test field (fixturing and equipment operation) is required for training purposes within a period of around 2 year.</li>
<li>Result oriented cooperation, participate and contribute to SE and project kick off meetings with local and international project engineers and detailed analysis of customer specifications and its application to the product.</li>
<li>Project timing and coordination, planning of test capacity and the necessary new test fixtures.</li>
<li>Support (IATF16949) Audit.</li>
</ul>
<p><b>Your profile as Test Engineer:</b></p>
<ul>
<li>University degree in Mechanical, Automotive or Machinery Engineering disciplines with first work experience preferably in automotive.</li>
<li>Very good communication skills in fluent English (written, spoken) &amp; German is a plus and intercultural awareness.</li>
<li>Basic knowledge of design requirements, measurement techniques, hydraulics, electricity, metallurgy and capable to read and understand technical drawings.</li>
<li>Preferably hands on experience in Automotive and/or Supplier Industry, Six Sigma Belt and also familiar with automotive quality standards (e.g. IATF16949).</li>
<li>Experience with operating electromechanical and hydraulic test equipment.</li>
</ul>
<p><b>Why you should choose ZF:</b></p>
<ul>
<li>An employment contract in a stable, global company.</li>
<li>Hybrid system work (depends on the position).</li>
<li>Private health insurance and employee package.</li>
<li>Good working atmosphere; working in an international team, interesting projects, and tasks.</li>
</ul>
<p><b>ERP:</b> The position is part of the ZF Global Employee Referral Program.</p></div></div></div><p>
Be part of our ZF team as Test Engineer and apply now!</p><br>
<p></p>
</div></div></div></div><div><div><h2 class="jobSectionHeader"><b>What does DEI (Diversity, Equity, Inclusion) mean for ZF as a company?</b></h2><p>
At ZF, we continuously strive to build and maintain a culture where inclusiveness is lived and diversity is valued. We actively seek ways to remove barriers so that all our employees can rise to their full potential. We aim to embed this vision in our legacy through how we operate and build our products as we shape the future of mobility.</p>
</div></div><div><div><p>Find out how we work at ZF:</p><br>
</div></div><div></div><p><br>
<b>Job Segment: </b>R&amp;D Engineer, R&amp;D, Test Engineer, Six Sigma, Engineering, Research, Management, Automotive</p></div>

Test Engineer

Explore 16+ Backend engineer in Izmir this November. Find roles across top companies and apply now to boost your career.

16 backend engineer jobs IN Izmir

Backend Engineer

Backend Engineer

WordPress Backend & API Developer (Project-Based)

Unity Software Architect

Unity Software Architect

Salesforce Developer (B2B Commerce Cloud)

Test Engineer