backend developer

software engineer

software developer

frontend developer

full stack developer

developer programmer

RoofStacks

<div>
 
 
 Roof Stacks
 
 olarak 2015 y&inodot;l&inodot;ndan bu yana yenilik&ccedil;i projeler y&uuml;r&uuml;t&uuml;yoruz. Uzmanl&inodot;k alanlar&inodot;m&inodot;z olan Turizm Sistemleri, Geni&scedil;letilmi&scedil; Ger&ccedil;eklik (AR/VR), Blok Zinciri Teknolojileri, Oyun Geli&scedil;tirme ve Finansal Teknoloji alanlar&inodot;nda k&uuml;resel bir akt&ouml;r olmay&inodot; hedefliyoruz.
 
 
 
 
 
 Geli&scedil;tirdi&gbreve;imiz teknolojilerle fark yaratmaya ve gelece&gbreve;i tasarlamaya odaklan&inodot;yoruz. &Idot;stanbul/Ata&scedil;ehir&rsquo;deki merkez ofisimizin yan&inodot; s&inodot;ra T&uuml;rkiye&rsquo;de Antalya ve Elaz&inodot;&gbreve;&rsquo;da &scedil;ubelerimiz bulunmaktad&inodot;r. Ayr&inodot;ca, d&uuml;nyan&inodot;n d&ouml;rt bir yan&inodot;ndan teknoloji devlerine ev sahipli&gbreve;i yapan ABD&rsquo;nin Austin &scedil;ehrinde yeni bir ofis a&ccedil;arak k&uuml;resel pazardaki konumumuzu g&uuml;&ccedil;lendirdik.
 
 
 
 
 
 B&uuml;y&uuml;yen ekibimize kat&inodot;lacak
 
 "Web Developer"
 
 ar&inodot;yoruz. Arad&inodot;&gbreve;&inodot;m&inodot;z &ouml;zellikler a&scedil;a&gbreve;&inodot;daki gibidir:
 
 
 
 
 
 
 Lokasyon
 
 
 
 
 
 
 📍 &Idot;stanbul
 
 
 
 
 
 
 &Idot;&scedil; Tan&inodot;m&inodot;
 
 
 
 
 
 
 Tak&inodot;m&inodot;m&inodot;za kat&inodot;lacak, hem WordPress tabanl&inodot; web &ccedil;&ouml;z&uuml;mlerinde hem de modern frontend teknolojilerinde (React/Next.js) deneyimli bir Web Y&ouml;neticisi / Full-Stack Web Developer ar&inodot;yoruz. Bu rol, web projelerinin geli&scedil;tirilmesi, y&ouml;netilmesi, g&uuml;venlik ve bak&inodot;m s&uuml;re&ccedil;lerinin y&uuml;r&uuml;t&uuml;lmesi gibi geni&scedil; bir sorumluluk alan&inodot;n&inodot; kapsayacakt&inodot;r.
 
 
 
 
 
 
 Sorumluluklar
 
 
 
 
 
 
 &bull; WordPress altyap&inodot;lar&inodot;n&inodot;n y&ouml;netimi, tema ve eklenti geli&scedil;tirme/&ouml;zelle&scedil;tirme
 
 
 &bull; &Ccedil;oklu WordPress site y&ouml;netimi, g&uuml;ncellemeler ve bak&inodot;m s&uuml;re&ccedil;leri
 
 
 &bull; G&uuml;venlik ve performans optimizasyonu (cache, CDN, WAF)
 
 
 &bull; PHP &amp; MySQL ile geli&scedil;tirme ve veritaban&inodot; optimizasyonu
 
 
 &bull; Headless CMS (Strapi) ile i&ccedil;erik modeli tasar&inodot;m&inodot; ve API entegrasyonlar&inodot;
 
 
 &bull; Next.js ile SEO uyumlu web siteleri geli&scedil;tirme
 
 
 &bull; API t&uuml;ketimi ve frontend-backend entegrasyonu
 
 
 &bull; Git ile versiyon kontrol s&uuml;re&ccedil;leri
 
 
 &bull; Linux tabanl&inodot; sunucu (Apache/Nginx, cPanel, Plesk) y&ouml;netimi
 
 
 &bull; Cloud hosting ortamlar&inodot;nda (AWS, GCP, Azure, Natro) &ccedil;al&inodot;&scedil;ma
 
 
 &bull; CI/CD s&uuml;re&ccedil;leri ve otomatik deployment y&ouml;netimi
 
 
 &bull; SSL, DNS, CDN yap&inodot;land&inodot;rmalar&inodot;
 
 
 &bull; OWASP g&uuml;venlik prensipleri do&gbreve;rultusunda uygulama g&uuml;venli&gbreve;i
 
 
 
 
 
 
 Arad&inodot;&gbreve;&inodot;m&inodot;z Profil
 
 
 
 
 
 
 &bull; Bilgisayar M&uuml;hendisli&gbreve;i, Yaz&inodot;l&inodot;m M&uuml;hendisli&gbreve;i veya ilgili alanlarda lisans mezunu
 
 
 &bull; Minimum 3 y&inodot;l Full-Stack Web Developer veya Web Y&ouml;neticisi pozisyonunda deneyim
 
 
 &bull; WordPress (tema/eklenti geli&scedil;tirme) ve PHP&rsquo;de g&uuml;&ccedil;l&uuml; bilgi birikimi
 
 
 &bull; React ve Next.js ile web geli&scedil;tirme tecr&uuml;besi
 
 
 &bull; Sunucu y&ouml;netimi (Linux tabanl&inodot;) ve cloud hosting ortamlar&inodot;nda deneyim
 
 
 &bull; G&uuml;venlik, bak&inodot;m ve performans optimizasyon s&uuml;re&ccedil;lerine hakim
 
 
 &bull; SEO, Google Analytics ve Tag Manager konusunda bilgi sahibi olmas&inodot; tercih sebebi
 
 
 &bull; WooCommerce veya benzeri e-ticaret projelerinde deneyim avantajd&inodot;r
 
 
 
</div>

Web Developer

OBSS

<div>
 
 Would you like to perform rewarding work while contributing to the success of an established and growing company?
 
 
 
 
 
 We are looking for a skilled
 
 .NET Developer
 
 with a strong background in insurance projects to contribute to the design, development, and maintenance of our insurance-focused software applications. You will work closely with cross-functional teams to deliver high-quality solutions that meet the unique needs of our insurance client.
 
 
 
 
 
 
 Qualifications:
 
 
 <ul>
 <li>
 Bachelor's degree in Computer Science, Software Engineering, or a related field,
 </li>
 <li>
 Minimum 2 years proven experience as a .NET Developer with a focus on insurance projects,
 </li>
 <li>
 Strong proficiency in C# and .NET framework,
 </li>
 <li>
 Knowledge at least one of insurance package practices and tools,
 </li>
 <li>
 Eager to learn new technologies,
 </li>
 <li>
 Good team player, result oriented attitude and analytical mind,
 </li>
 <li>
 Strong communicational and interpersonal skills.
 </li>
 </ul>
 
 
 
 
 
 Responsibilities:
 
 
 <ul>
 <li>
 Collaborate with business analysts, project managers, and other stakeholders to understand and define project requirements.
 </li>
 <li>
 Design, develop, and maintain .NET-based applications for insurance projects, ensuring scalability, security, and performance.
 </li>
 <li>
 Participate in the full software development life cycle, including planning, coding, testing, and deployment.
 </li>
 <li>
 Conduct code reviews and provide constructive feedback to ensure code quality and adherence to coding standards.
 </li>
 <li>
 Troubleshoot, debug, and resolve software defects and issues in a timely manner.
 </li>
 <li>
 Stay current with industry trends and best practices to continuously improve development processes and technologies.
 </li>
 </ul>
 
 
 
 
 OBSS is proud to be an equal opportunity workplace and is an affirmative action employer. We make recruiting decisions without regard to race, color, religion, national or ethnic origin, age, gender, sexual orientation, marital status, veteran status or disability status.
 
 
 
 
 
 https://medium.com/codable
 
</div>

.NET Developer – Insurance Project

PragmaCraft

Ready to be part of the post-modern industrial revolution led by Large Language Models (LLMs)?Do you want to shape the future in the world of Generative AI?We ArePragmaCraft is a small, developer-centric software start-up specializing in crafting state-of-the-art AI software. Our focus is on delighting users through research and development in Generative AI, Natural Language Processing, Deep Learning, LLMs, and Retrieval Augmented Generation (RAG). Founded in 2013, we've been pioneers in AI, collaborating with well-known companies and maintaining a partnership with T&uuml;rkiye's largest private bank since 2017.Our journey began in 2012 with the idea of an Intelligent Search Assistant like today&rsquo;s ChatGPT. Since then, we have been working on everything at the intersection of Deep Learning and Natural Language Processing. Our milestones include creating the first version of Intelligent Search Assistant in 2014, deploying our first Deep Learning Project in 2015 and our first Neural Machine Translation Model in 2016. Our ambition to contribute to further advancements of NLP continues as we seek a pragmatic programmer to develop our LLM and RAG-based enterprise question-answering system, Answie. For more info, visit: https://answie.com/You Are<ul><li>Experienced in AI &amp; GenAI, including building ML and DL models.</li><li>A pragmatic programmer: highly self-motivated, intelligent, and efficient. You take pride in your code's craftsmanship and the systems you build.</li><li>Positive, team-friendly, and ethical in your work.</li><li>Open to constructive feedback.</li><li>Capable of delivering GenAI/AI/ML/DL projects from start to finish, including understanding business requirements, developing architecture, data aggregation and exploration, building &amp; validating predictive models, and deploying models to impact the organization positively.</li><li>Possessing a product mindset. Taking ownership of projects by building solutions that don't just meet expectations but exceed them, turning challenges into opportunities and ideas into innovations.</li><li>Up-to-date with the latest advancements in GenAI &amp; NLP technologies and its tools.</li></ul>Must-Have Qualifications<ul><li>A deep technical understanding that spans from high-level abstractions to low-level details, aspiring to be at level 3 in the Programmer Competency Matrix.</li><li>Software engineering skills with demonstrable proficiency and understanding of best practices in Python and other programming languages.</li><li>An intuitive understanding of machine learning algorithms, including both supervised and unsupervised modeling techniques.</li><li>Experience with version control and collaboration in software projects, including proficiency in Git for branching and merging.</li><li>Familiarity with both Relational and Non-Relational Database Systems.</li><li>Hands-on experience in the Generative AI &amp; NLP field, from Word Vectors to Transformer models.</li><li>Good knowledge of deep learning algorithms and workflows, with experience in frameworks like PyTorch.</li><li>Hands-on experience with HuggingFace platform and transformers framework.</li></ul>What You'll Do<ul><li>Deliver end-to-end GenAI/AI/ML/DL solutions.</li><li>Elicit business requirements.</li><li>Aggregate, explore and analyze data.</li><li>Build, validate, and deploy predictive models.</li><li>Develop the next generation of PragmaCraft products.</li><li>Support your fellow developers through proactive communication, documentation, and peer review.</li><li>Discover cutting-edge methods and tools for addressing challenges in NLP.</li></ul>What We Offer<ul><li>Engaging projects at the forefront of Gen AI, NLP, Deep Learning, and ML.</li><li>The opportunity to learn from an experienced and collaborative team of Data Scientists, ML Researchers, and Data Architects.</li><li>A deep commitment to your career development, with support to help you improve your craft and the expectation that you'll teach us a few things along the way.</li><li>Flexible remote working, with occasional office gatherings at &#304;T&Uuml; Teknokent for those who prefer it.</li><li>Competitive compensation tailored to your experience and expertise.</li><li>Benefits such as Macbook, as well as the possibility of relocation to abroad. A trust-based work and leave schedule, and ownership of your working hours.</li><li>A voice in company decisions, regardless of your position.</li></ul>Hiring ProcessWe welcome candidates of any level, assessing not just by years of experience but also by enthusiasm and the ability to learn quickly. If your CV catches our eye, you&rsquo;ll be invited for an online interview with future co-workers. Successful candidates will then proceed to the final interview.Job Type: Full-timeApplication Question(s):<ul><li>Where did you hear about this job posting?</li><li>How do you decide if Machine Learning is the correct solution for a business problem?</li><li>What do you think are the main challenges in GenAI and NLP projects?</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>Python: 1 year (Required)</li><li>PyTorch: 1 year (Required)</li><li>Pandas: 1 year (Required)</li></ul>Language:<ul><li>English (Required)</li></ul>

Machine Learning Engineer (GenAI) / Remote

Wide and Wise

<div>We are seeking a talented .NET Developer to join our partner company, contributing to innovative projects in logistics and automation. This is an exciting opportunity to be part of a dynamic environment where technology drives efficiency and operational excellence.<h3 class="jobSectionHeader">
Qualifications</h3><ul>
<li>
Bachelor&rsquo;s degree in Engineering (preferably Computer, Software, Mathematics, or Electrical-Electronics Engineering) or related fields.</li>
<li>Minimum 4&ndash;5 years of development experience with .NET technologies.</li>
<li>Proficiency in Web API, RESTful services, Entity Framework.</li>
<li>Experience with desktop application development (WPF and/or WinForms).</li>
<li>Strong knowledge of OOP, Design Patterns, Unit Testing.</li>
<li>Solid understanding of database design and performance optimization.</li>
<li>Ability to read/write complex T-SQL queries (performance tuning is a plus).</li>
<li>Familiarity with SOA architecture (hands-on experience preferred).</li>
<li>Knowledge of modern web UI frameworks (Angular, React, Vue.js).</li>
<li>Preferably experienced with mobile or cross-platform development (Flutter, Xamarin, etc.).</li>
<li>Knowledge of automation integrations.</li>
<li>Understanding of Agile/Scrum methodologies.</li>
<li>Familiarity with logistics and foreign trade processes.</li>
<li>Experience working with WMS (Warehouse Management Systems) is a strong advantage.</li>
<li>Proficient in English to follow technical literature.</li>
<li>Strong teamwork, responsibility, and communication skills.</li>
<li>For male candidates: military service must be completed.</li>
</ul><h3 class="jobSectionHeader">
Responsibilities</h3><ul>
<li>Participate in the design and development of projects built on the .NET platform.</li>
<li>Write high-quality, maintainable, and scalable code, delivering creative solutions to technical challenges.</li>
<li>Collaborate effectively within and across teams to ensure on-time project delivery.</li>
<li>Implement performance improvements and ensure system efficiency.</li></ul></div>

.NET Developer

Qlub

<div>Who are we? 
Qlub is revolutionizing the dining experience with ultra-fast, seamless payment solutions. Our technology enables customers to pay in seconds by scanning a QR code &ndash; no app download required. From Pay-at-Table QR payments and Digital Menus to Order-and-Pay tech, Payment Links, and SoftPOS terminals, Qlub streamlines the entire payment process, making it faster and more convenient for both diners and restaurants. Plus, splitting the bill with friends has never been easier!
We help restaurants focus on what they do best: providing exceptional dining experiences. By removing payment hassles, we increase table turnover and improve operational efficiency, boosting profits. Features like analytics, instant tipping and reviews, and automated accounting empower restaurants to thrive in today&rsquo;s digital-first world. 
The Role 
We're looking for a Backend Developer to support the development of panel platforms.
You'll work on payment integrations, dashboards, order flows, table management, review systems, and more. Your work will directly impact the experience of both diners and restaurant staff.
You&rsquo;ll be responsible for:<ul>
<li>Developing backend services and APIs</li>
<li>Collaborating with frontend, design, and product teams</li>
<li>Writing clean, efficient, well-documented code</li>
<li>Participating in code reviews</li>
<li>Troubleshooting, debugging, and improving system performance</li>
<li>Managing notification and email systems</li> 
</ul> 
We're looking for someone with:<ul>
<li>3&ndash;5 years of backend development experience</li>
<li>Solid TypeScript and Node.js knowledge</li>
<li>Experience with NestJS or similar frameworks (Express, Fastify)</li>
<li>Experience working with PostgreSQL</li>
<li>Working knowledge of Redis</li>
<li>Understanding of RESTful API best practices</li>
<li>Exposure to CI/CD workflows</li>
<li>Awareness of security, rate-limiting, and performance optimization</li>
Basic understanding of job/message queues (e.g., BullMQ) 
<li>
</li></ul>Why join qlub?<ul>
<li>Be part of an exciting, fast-paced environment, where you can grow the business from an early-stage start-up into a global organization;</li>
<li>Drive growth and tailoring of fast-evolving new products and features;</li>
<li>Work with highly motivated people, enthusiastic about improving the customer experience at table-service restaurants.</li> 
</ul> 
Sounds like you? Are you excited by this opportunity? If so, &ldquo;Apply now&rdquo;.</div>

Backend Developer

oBilet

<div>Founded in 2012, Obilet.com is a leading travel and tourism platform offering comprehensive services, including bus, flight, and ferry ticketing, along with hotel bookings and car rentals.
As the undisputed market leader in Turkey across both B2B and B2C segments, the platform supports bus carriers with its best-in-class SaaS Inventory Management System (IMS), attracts 25 million monthly visitors, and boasts 15 million app downloads.
Projected to mediate over 50 million transactions in 2025, Obilet is expanding internationally to become one of the largest global players in the travel tech industry.
Main responsibilities will include:<ul><li>
As a backend developer, you will take end-to-end responsibility for developing and delivering new features of obilet.com's B2B applications and business API along with the current system's maintenance</li><li>
Contributing to design and development phases for obilet application's B2B backend and SOAP and Restful business API</li><li>
Identifying, investigating, and implementing applicable solutions to business requirements</li><li>
Ensure obilet B2B application and business API meet current standards &amp; accessibility requirements</li><li>
Following industry best practices in design and product development, also taking initiative in recommending possible enhancements</li></ul> 
To be successful in this role, you need to have:<ul><li>
BS degree in Computer, Electronics Engineering or equivalent departments</li><li>
2+ years of experience in developing and maintaining products with real-world usage in .Net Framework and .Net Core</li><li>
Experience in web services - RESTful services with .NET Core API and Soap Xml web services with .Net Framework</li><li>
Experience in developing web applications with critical mobile compatibility and cross-browser compatibility requirements</li><li>
Experience in web services - RESTful services with ASP NetWeb API and Soap Xml web services with .Net Framework</li><li>
Good knowledge of MSSQL Server</li><li>
Experience with Docker, AWS Services, Elastic Cache, Open Search, SQS, RDL Reporting Tool is a plus</li><li>
Devops, CI-CD experience, Version Control Tool (Git/Github)</li><li>
Strong English skills to follow the technical literature is a plus</li></ul>
What we offer:
 Remote Working: We work remotely, but our offices are always open for us
 Birthday Leave: In the month of our birthday, we can take a day off on any day we choose
 Flexible Working Hours: On the days we come to the office, we set our own start time with our flexible working model
 Happy Hours &amp; Company Events: With our New Year&rsquo;s Event, #obiletfest and Happy Hours, we not only strive for success but also have a lot of fun along the way
 Self-Development: Your growth is our focus, with access to online learning platforms like Udemy and various training programs designed to support your professional development
 Best-in-class Teammates: We are all the best in our fields and we are confident about it
 No Dress Code: We have no dress code. We can set the trend in our office with our style<ul><li>Free Snacks &amp; Drinks: Surprise breakfasts, desserts and fruits might be waiting for us in our office</li></ul></div>

Pegasus Airlines

<div>
 
 
 We are Pegasus Airlines!
 
 
 
 
 
 
 We are Pegasus. We represent the new generation in Turkish aviation. With our motto: Everyone has the right to fly, we inspire our guests to travel with low fares thanks to our business model.
 
 
 
 
 
 As your digital airline, our guest-centric approach offers digital technologies and unique innovations that enhance the travel experience.
 
 
 Today, we operate connecting flights to more than 50 countries across T&uuml;rkiye, Europe, North Africa, the Middle East, Russia, and Central Asia. We have one of the youngest fleets in Turkey, which exceeds 110 aircraft in 2025.
 
 
 
 
 
 Are you ready to embark on your Pegasus career path as our
 
 Web Developer
 
 , flight number PC-2025?
 
 
 
 
 
 
 Requirements:
 
 &ZeroWidthSpace;
 
 
 
 
 <ul>
 <li>
 Education: MS/BS in Computer Science/Engineering or a similar field&ZeroWidthSpace;.
 </li>
 <li>
 Team Player: Lifelong learner with a customer-first mindset and an innovative approach.
 </li>
 <li>
 Experience: 2-4 years of experience in web development.
 </li>
 <li>
 Tangible Skills: Experience with Typescript, ReactJS, Node.js, JavaScript, HTML, CSS
 </li>
 <li>
 CI/CD Experience: Knowledge of Continuous Delivery, Continuous Integration, and version control (Git).
 </li>
 <li>
 Agile Mindset: Agile-minded team player with strong communication skills.
 </li>
 <li>
 Integration &amp; Frameworks: Knowledge of integrating APIs, third-party libraries, and frameworks.
 </li>
 <li>
 Preferred: An interest in cross-platform frameworks, microservices architecture, distributed systems, cloud-based solutions, and AI-powered tools for coding.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 In this role, you will
 
 
 
 
 
 
 
 
 <ul>
 <li>
 Innovate &amp; Enhance: Write clean, maintainable, and efficient code under the guidance of senior developers and be enthusiastic about improving your professional skills.
 </li>
 <li>
 Learn &amp; Grow: Continuously expand your skills with the latest technologies.
 </li>
 <li>
 Collaborate &amp; Deliver: Collaborate with team members to build high-quality solutions while participating in agile processes.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 What Pegasus Airlines can offer you
 
 
 
 
 
 <ul>
 <li>
 Discounted domestic and international flight tickets that include first-degree family members, For a single candidate can add +1 person, Discounted flight with contracted airlines to destinations where there are no flights
 </li>
 <li>
 Private health insurance
 </li>
 <li>
 Food voucher
 </li>
 <li>
 Remote and flexible working hours on certain days according to a working model, allowance for remote working days
 </li>
 <li>
 Fun@Fly Social Activity Clubs (Social clubs such as theatre club, sailing, trekking, running, basketball, volleyball and football teams, e-sports team)
 </li>
 <li>
 Kindergarten opportunity for female employees (Istanbul, Izmir, Antalya)
 </li>
 <li>
 Performance-based bonus system
 </li>
 <li>
 Shuttle
 </li>
 </ul>
 
 
 
 
 
 Discover Pegasus Airlines!
 
 
 
 
 
 
 Our Framework for a Sustainable Future prioritizes our impact on the environment and society, as well as economic development. We call our route
 
 
 Sustainable Future
 
 
 . By 2050, we aim to eliminate carbon emissions from our operations, and we are working towards this goal. We are proud of a rich governance culture that is developed through a perspective open to continuous improvement and the feedback of our stakeholders. We regularly and transparently share our targets and performance on these issues with the public.
 
 
 Gender equality is at the foundation of our corporate culture. We are one of the pioneering airlines that have signed IATA's voluntary initiative "25by2025" to increase the representation of women in all areas of the aviation industry, including pilot, technician, and management ranks. We were the first airline in the world to join the UN Women's Empowerment Principles (WEPs) platform.
 
 
 Listen to every different voice in our quest for a more equal tomorrow for future generations and we call our voice #PegasusHarmony 💛
 
</div>

Web Developer - Hybrid

Explore 83+ Developer programmer in Istanbul this September. Find roles across top companies and apply now to boost your career.

83 developer programmer jobs IN Istanbul

Web Developer

.NET Developer – Insurance Project

Machine Learning Engineer (GenAI) / Remote

.NET Developer

Backend Developer

Backend Developer

Web Developer - Hybrid