software developer

backend developer

full-stack developer

java software engineer

mobile app engineer (react native) Jobs in Istanbul

mobile app engineer (react native)

senior front end developer

Çiçeksepeti

<div>
 
 Technology (AI / ML / add all the buzzwords here) is changing the world precipitously and shaping our future.
 
 
 Join us if you DISAGREE and want to shape the future yourself!
 
 
 
 
 
 
 We need a top-notch Sr. Frontend Developer with the ambition to create the technology that changes the world.
 
 
 
 
 The technology that makes history, and decodes the future while transforming the present&hellip;
 
 
 
 
 Already excited? Then we&rsquo;d like to know you better!
 
 
 
 
 
 
 Our team will be a perfect fit for you, if you&rsquo;re a multi-dimensional IT expert ready to join a high performance, large scale, geographically dispersed ecosystem, as we become a global e-commerce player with the vision to be the greatest gifting company in the world!
 
 
 
 
 
 
 ✨Let Your Skills Shine with Us!
 
 
 
 
 
 <ul>
 <li>
 You possess exceptional analytical and conceptual thinking skills
 </li>
 <li>
 You hold full accountability of your work regardless of your position or title in the team
 </li>
 <li>
 You&rsquo;re a humble and competent team member who&rsquo;s excited to join a culture devoid of corporate buzzwords and bureaucracy
 </li>
 <li>
 You have a craving for lifelong learning
 </li>
 <li>
 You&rsquo;re enjoying every minute of your job as you can see the results immediately
 </li>
 <li>
 You have a flexible approach with an open mindset to try and learn
 </li>
 <li>
 You&rsquo;re genuinely interested in e-commerce ecosystem
 </li>
 <li>
 You&rsquo;re familiar with Agile methodologies
 </li>
 <li>
 You&rsquo;re extremely focused on user-experience
 </li>
 <li>
 You&rsquo;re fluent in English
 </li>
 <li>
 You have superb communication skills, with a knack for interacting effectively with multidisciplinary teams
 </li>
 </ul>
 
 
 
 
 
 🥰Are You the One We&rsquo;re Seeking?
 
 
 
 
 
 <ul>
 <li>
 3+ years of Frontend Development experience
 </li>
 <li>
 Experienced in HTML5 and Advanced Javascript programming, HTML5, CSS3, JavaScript, TypeScript, CSS Preprocessors (LESS or SASS)
 </li>
 <li>
 Experience with JavaScript frameworks especially React, Vue, Angular and responsive web design
 </li>
 <li>
 Solid foundation in software engineering process &amp; standard methodologies (unit testing, build automation, continuous integration)
 </li>
 <li>
 Controlling the consistency between demands/designs and software, developing the front-end as working, in accordance with W3C standards, SEO and UX dynamics, with regards to all browsers
 </li>
 <li>
 Proficient understanding of cross-browser compatibility issues and ways to work around them
 </li>
 <li>
 Previous experience and knowledge on version control systems
 </li>
 <li>
 Know-how with regard to front-end tooling such as Webpack, Babel, ESlint, etc.
 </li>
 <li>
 Care for quality of user experience, as much as quality of code
 </li>
 <li>
 Know-how implementing Accessibility features
 </li>
 <li>
 Working experience with CI/CD and related tools like Git and Jenkins
 </li>
 <li>
 Additional Preferred Qualifications: TypeScript,
 
 Node.JS
 
 </li>
 <li>
 Ability to leverage AI tools (e.g., ChatGPT, Copilot) during the development process, document their usage transparently, and share useful prompts, patterns, or learnings with the team.
 </li>
 <li>
 Demonstrated capacity to adapt, validate, and refine AI-generated code or suggestions instead of copying blindly.
 </li>
 <li>
 Awareness of data security, privacy, and ethical considerations when using AI tools.
 </li>
 </ul>
 
 
 
 
 
 😎What&rsquo;s in here for you?
 
 
 
 
 
 <ul>
 <li>
 🏡Break Free from the Cubicle: Work from Anywhere, Anytime! 🌟
 </li>
 <li>
 🎉Fun and Adventure Await: Get ready for exhilarating team adventures and unforgettable company activities that will create memories to cherish! 🌈
 </li>
 <li>
 🌈🛍️ Take excellent care of yourself: Wellbeing program, Momento, and More!
 </li>
 <li>
 💪 Energize Your Day, Your Way: From Gym to Nature with MultiSport! Whether you prefer a high-intensity workout, a peaceful yoga session, or a refreshing swim &mdash; with our MultiSport partnership, wellness is always within reach. Reboot your energy and embrace movement wherever you are! 🌿🏋️ &female;️🧘 &male;️
 </li>
 <li>
 🎩Express Your Unique Style: No more stuffy suits or uncomfortable attire. Embrace your personal style and wear whatever makes you feel confident and comfortable. 👗👕
 </li>
 <li>
 📚Unlock Your Potential: Biweekly Learning Hours and a Vast Training Library Await! 🎓 Never stop learning and growing! With unlimited access to top-notch training resources like Udemy and more, your professional growth knows no limits! 🚀
 </li>
 <li>
 🥰Join Vibrant Social Clubs: Connect, Collaborate, and Create Lifelong Friendships!🎉Be part of our vibrant social clubs, where you can engage with colleagues who share your passions and interests. Cultivate meaningful connections, foster collaboration, and create memories that extend beyond the workplace.🤝
 </li>
 <li>
 🤝Seamless Onboarding: Receive a Warm Welcome and a Smooth Transition! 📋 Our dedicated onboarding process ensures you feel supported and empowered from day one. We provide comprehensive training and resources to help you settle into your role quickly and effectively. 🌟
 </li>
 <li>
 Join us on this exciting journey where remote work, a dynamic work ecosystem, thrilling team activities, entertainment galore, a flexible dress code, and endless learning opportunities await you! It&rsquo;s time to unleash your full potential and embrace the future of work! 💃
 </li>
 </ul>
 
 
 
 
 
 😍About Us
 
 
 
 
 
 
 
 ⭐️ Where Celebration Meets Technology: &Ccedil;i&ccedil;eksepeti
 
 
 
 Celebrations are life&rsquo;s most special and heartfelt moments. Since 2006, we have been on a mission to combine the joy of gifting with the power of technology. Every flower delivered, every gift shared, carries our signature.
 
 
 
 Our purpose
 
 is to transform the flower and gift experience&mdash;from production to delivery&mdash;while positioning T&uuml;rkiye as a global hub in this industry.
 
 
 
 
 
 
 🚀 From Using Tech to Shaping Its Future
 
 
 
 We go beyond simply taking orders. From our software infrastructure to logistics optimization, every stage is driven by data. By developing our own products and integrating technology into every step, we continuously elevate the customer experience.
 
 
 
 
 
 
 🇹🇷 100% Local Capital, Global Vision
 
 
 
 Between 2011 and 2021, our partnerships with Amazon and Hummingbird Ventures fueled rapid growth. In 2021, we became fully Turkish-owned&mdash;an independent brand driven by our belief in T&uuml;rkiye&rsquo;s potential.
 
 
 
 
 
 
 🌍 From T&uuml;rkiye to the World
 
 
 
 Our production journey began in 2019 with lilies and has grown to include orchids, chrysanthemums, roses, and sunflowers. Next is our state-of-the-art rose greenhouse in K&uuml;tahya, set to become Europe&rsquo;s largest enclosed facility.
 
 
 
 
 
 
 🤝🏻 We Produce Together, We Grow Together
 
 
 
 Together We Go Beyond is more than a motto for us &mdash; it&rsquo;s how we work, grow, and succeed. We push boundaries through teamwork, curiosity, speed, and data-driven decision-making. We believe in learning together, achieving together, and celebrating together.
 
 
 If you&rsquo;re ready to be part of a fast-growing, award-winning, and impactful company, join us and help shape the future of celebration.
 
 
 
 
 
 🏆
 
 Highlights &amp; Achievements
 
 
 
 💼 Best Employer Brand &ndash; LinkedIn Turkey Talent Awards (2019 &amp; 2022)
 
 
 🌐 The world&rsquo;s most visited floral and gifting website (SimilarWeb)
 
 
 🏅 T&uuml;rkiye&rsquo;s largest gift platform with the widest supplier network
 
</div>

Sr. Frontend Developer

Amaris Consulting

<div><div><div><h2 class="jobSectionHeader">Who are we?
</h2>Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1,000 clients across the globe, we have been rolling out solutions in major projects for over a decade &ndash; this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines: Information System &amp; Digital, Telecom, Life Sciences and Engineering. We&rsquo;re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success. 
 
At Amaris, we strive to provide our candidates with the best possible recruitment experience. We like to get to know our candidates, challenge them, and be able to give them proper feedback as quickly as possible. Here's what our recruitment process looks like:
 
 
Brief Call: Our process typically begins with a brief virtual/phone conversation to get to know you! The objective? Learn about you, understand your motivations, and make sure we have the right job for you!
 
 
Interviews (the average number of interviews is 3 - the number may vary depending on the level of seniority required for the position). During the interviews, you will meet people from our team: your line manager of course, but also other people related to your future role. We will talk in depth about you, your experience, and skills, but also about the position and what will be expected of you. Of course, you will also get to know Amaris: our culture, our roots, our teams, and your career opportunities!
 
 
Case study: Depending on the position, we may ask you to take a test. This could be a role play, a technical assessment, a problem-solving scenario, etc.
 
 
As you know, every person is different and so is every role in a company. That is why we have to adapt accordingly, and the process may differ slightly at times. However, please know that we always put ourselves in the candidate's shoes to ensure they have the best possible experience.
 
We look forward to meeting you!
<h2 class="jobSectionHeader">Job description
</h2>Amaris Consulting is looking for an experienced Fullstack Developer with a strong background in Java and React to join our growing team in Istanbul (Asian Side) on a hybrid model. The ideal candidate will have at least 7 years of experience in software development, with proven expertise in both backend and frontend technologies, enterprise-scale applications, and modern architectures.
<h3 class="jobSectionHeader">
Key Responsibilities:</h3>
<ul><li>Participate in end-to-end fullstack development processes, covering both backend and frontend.</li>
<li>Develop backend components and services using Java.</li>
<li>Build modern, scalable frontends with React and other JavaScript frameworks.</li>
<li>Design and implement RESTful APIs, with knowledge of SOAP services.</li>
<li>Work with microservices architecture on platforms like OpenShift.</li>
<li>Manage and optimize databases, specifically Couchbase and Oracle.</li>
<li>Implement real-time data communication using SignalR and WebSocket.</li>
<li>Utilize caching technologies such as Redis.</li>
<li>Integrate and manage message queue systems (RabbitMQ, Kafka, IBM MQ).</li>
<li>Ensure software quality, scalability, and maintainability by applying best practices.</li>
<li>Collaborate within Agile/Scrum teams and contribute to continuous improvement of processes.</li>
<li>Maintain coding standards, perform code reviews, and enhance development workflows.</li>
</ul><h3 class="jobSectionHeader">Profile:</h3>
<ul><li>Bachelor&rsquo;s degree in Computer Engineering or a related field.</li>
<li>7+ years of professional experience in fullstack development.</li>
<li>Strong backend expertise in Java and enterprise-scale development.</li>
<li>Proven frontend experience with React and modern JavaScript.</li>
<li>Knowledge and hands-on experience with RESTful APIs and SOAP.</li>
<li>Familiarity with OpenShift, microservices, and distributed architectures.</li>
<li>Experience with Couchbase and Oracle databases.</li>
<li>Hands-on experience with SignalR, WebSocket, Redis, and message queues (RabbitMQ, Kafka, IBM MQ).</li>
<li>Familiarity with Git or other version control systems.</li>
<li>Strong knowledge of Agile/Scrum methodologies.</li>
<li>Intermediate or higher level of English (both written and spoken).</li>
</ul>
If you are passionate about enterprise-scale fullstack development, eager to work with cutting-edge technologies, and motivated to build scalable solutions in an agile environment, we would love to meet you. Apply now and be part of our journey!

Amaris Consulting is committed to diversity and inclusion. We welcome applications from all qualified candidates, regardless of gender, orientation, ethnicity, beliefs, disability, or background.</div></div></div>

Senior Fullstack Developer (Hybrid)

ShortPoint

<div>We are seeking a talented and motivated Senior AI-Augmented Front-end Engineer with deep React knowledge to join our growing team. This is an exciting opportunity to work on cutting-edge projects using modern technologies and contribute to the development of high-quality software solutions.<h3 class="jobSectionHeader">
Responsibilities</h3><ul><li>
Build and implement user-friendly, responsive frontend applications using React, with a focus on usability and accessibility.</li><li>
Leverage AI tools and capabilities (e.g., code generation, debugging assistants, test automation, design-to-code pipelines) to accelerate feature delivery and improve engineering efficiency.</li><li>
Apply prompt engineering best practices to interact with AI systems effectively, refine outputs, and integrate AI-driven solutions into the product.</li><li>
Collaborate with cross-functional teams (product, design, QA, data) to define, design, and ship new features, including those enhanced by AI/ML capabilities.</li><li>
Write clean, maintainable, testable, and well-documented code, incorporating AI-assisted code review and refactoring where beneficial.</li><li>
Strong understanding of asynchronous programming, concurrency control, and promise-based flow in Node.js.</li><li>
Participate in and contribute to AI-augmented code reviews, proactively driving improvements in code quality and development practices.</li><li>
Troubleshoot and debug issues across the entire stack, utilizing AI debugging and observability tools to identify root causes efficiently.</li><li>
Contribute to SRE practices, including monitoring, alerting, incident response, and applying AI-driven observability/incident analysis where applicable.</li><li>
Assist in setting up and maintaining CI/CD pipelines, with an eye toward AI-assisted automation and validation.</li><li>
Collaborate with data engineering teams, understand and contribute to data pipelines, and support AI-driven analytics or transformations.</li><li>
Design, develop, and maintain RESTful APIs, ensuring they are scalable, secure, and AI-ready (supporting integrations with AI models or services).</li><li>
Implement API versioning strategies to ensure backward compatibility.</li><li>
Emphasize writing testable code with strong experience in unit and integration testing frameworks, while also using AI-assisted test generation to expand coverage.</li><li>
Stay on top of the latest AI models, frameworks, and tools (e.g., GPT-5, Claude, open-source LLMs, agentic frameworks) and actively follow industry updates to keep the team aligned with cutting-edge practices.</li><li>
Proactively introduce relevant AI-driven innovations that can improve product capabilities, development velocity, or operational efficiency.</li><li>
If you are interested in this position, please answer the last question in the application form with the keyword &ldquo;bear&rdquo;</li></ul><ul><li>
Proven experience as a Frontend Engineer with a strong focus on building sophisticated, scalable, and high-performing React applications.</li><li>
Deep understanding of React and its ecosystem (hooks, state management, performance optimization, SSR/Next.js familiarity is a plus).</li><li>
Solid grasp of modern frontend engineering practices: reusable component design, accessibility, responsive layouts, and cross-browser compatibility.</li><li>
Proficiency in JavaScript/TypeScript and modern tooling (Webpack, Vite, Babel, ESLint, etc.).</li><li>
Strong problem-solving and debugging skills, with the ability to troubleshoot complex UI/UX issues.</li><li>
Understanding of SRE principles (monitoring, logging, error handling) as they apply to frontend reliability.</li><li>
Experience with CI/CD pipelines and version control (Git, GitHub/GitLab).</li><li>
Excellent communication and teamwork abilities to collaborate across product, design, and engineering teams.</li><li>
Strong eye for detail and the ability to implement and execute sophisticated designs flawlessly</li></ul><h4 class="jobSectionHeader">
What We Offer</h4>
We believe in investing in our employees holistically by offering competitive compensation commensurate with experience, flexible schedule arrangements, allotted personal time and vacation days, fitness benefits and medical assistance, and company-paid professional training. This ensures that everyone is comfortable in their daily life, maintaining a good work-to-life balance, and staying happy and healthy at all times. As part of the team, you would be provided with:<ul><li>
Working remotely</li><li>
Medical Insurance</li><li>
30 days annual leave/year</li><li>
60 hours per year for personal time</li><li>
15 days of public holidays</li><li>
Unlimited paid sick days</li><li>
Maternity time off</li><li>
Work equipment provided</li><li>
Gym compensation</li><li>
Professional training and development</li></ul></div>

Senior AI Augmented React Engineer (JavaScript/TypeScript)

Papcorns

<div>
 
 Company Description
 
 
 
 Papcorns is a mobile app studio committed to developing design-oriented scalable products. Our apps reach more than 10 million people, consistently top-ranked and featured by Apple and Google.
 
 
 We believe companies are just like people and only strive when they have a strong core of principles. Here at Papcorns, we strive to develop cutting-edge AI-powered mobile apps. We are currently building mobile apps focuses on Utilities, Photo &amp; Video, and Lifestyle categories in the App Store mainly for the US market. Our team currently maintains several apps and builds new ones using the latest technologies.
 
 
 As our user base grows and the number of products increases, we&rsquo;re in an exciting period of growth and are looking for exceptional React Native Developers.
 
 
 
 Role Description
 
 
 
 This is a full-time hybrid role for an React Native Developer (Mid / Sr) at Papcorns. As a member of the React team, we offer you an opportunity to make a huge impact in the lives of millions of users through our products. The role is based in Istanbul, T&uuml;rkiye, with flexibility for some remote work.
 
 
 
 Qualifications
 
 
 
 <ul>
 <li>
 2+ years experience in mobile application development
 </li>
 <li>
 Experience developing with React Native (Android/iOS Apps)
 </li>
 <li>
 Experience with popular React Native workflows
 </li>
 <li>
 JavaScript and TypeScript experience, including concepts like asynchronous programming, closures, types, and ES6
 </li>
 <li>
 Good knowledge of CSS and HTML
 </li>
 <li>
 Experience with REST APIs and services
 </li>
 <li>
 Experience with unit testing
 </li>
 <li>
 Familiarity using Scrum/Agile development methodologies
 </li>
 <li>
 Teamwork skills with a problem-solving attitude
 </li>
 <li>
 Practical knowledge of agile software development methodologies
 </li>
 <li>
 Good command of written and spoken English
 
 
 </li>
 </ul>
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Create pixel-perfect UIs across both mobile platforms that look and feel native.
 </li>
 <li>
 Leverage native APIs for deep integrations with both platforms.
 </li>
 <li>
 Work alongside our product owner and UI/UX designers to realize your shared vision.
 </li>
 <li>
 Diagnose and fix bugs and performance bottlenecks
 </li>
 <li>
 Engage with the React Native community to report, request, and help implement critical software fixes
 </li>
 <li>
 Maintain a stable and current-when-possible React Native create an environment for our CI pipeline
 </li>
 <li>
 Stay current on the latest platform capabilities so that we know whats possible
 </li>
 <li>
 Practice Scrum with a great group of developers and product managers
 
 
 </li>
 </ul>
 
 What&rsquo;s in it for you?
 
 
 
 <ul>
 <li>
 Competitive Salary
 </li>
 <li>
 Optional Work From Home Opportunity 3 day A Week
 </li>
 <li>
 Meal &amp; Commute Compensation
 </li>
 <li>
 Private Health Insurance
 </li>
 <li>
 Birthday Leave
 </li>
 <li>
 Access to Online Courses
 </li>
 <li>
 Tech Gear
 
 
 </li>
 </ul>
 
 What it&rsquo;s like to work at Papcorns?
 
 
 
 <ul>
 <li>
 Be part of a passionate and driven team where everyone&rsquo;s ideas are valued
 </li>
 <li>
 Working on products used by millions of people around the world.
 </li>
 <li>
 Access to various learning &amp; development opportunities
 
 
 </li>
 </ul>
 
 What does the recruitment process look like?
 
 
 
 <ul>
 <li>
 Application Review: We will carefully review your CV to evaluate your accomplishments and qualifications.
 </li>
 <li>
 Interview: A 30-minute Google Meet interview with our co-founders will be conducted to discuss your experience, expectations, and potential synergies. This will help us determine how we can collaborate effectively.
 </li>
 <li>
 Case Study: You will be provided with a project relevant to the position, which you will complete to demonstrate your proficiency and practical knowledge.
 </li>
 <li>
 Technical Meeting: A Google Meet session with our team lead will be arranged for you to engage in in-depth discussions on technical topics that align with your expertise. You will be asked specific questions to further showcase your technical skills.
 </li>
 <li>
 Final Decision: Within a few days, we will inform you of our decision regarding your suitability for the role.
 </li>
 </ul>
</div>

Sr React Native Developer

Skm Group

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.We are currently looking for a senior Senior .NET Developer for our teamJob Description: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.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.Responsibilities<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>Qualifications<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>Tech Stack<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>Good to know before considering this project:We expect top notch delivery work. Also we are looking for the right mindset:<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>What do we offer you?<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>Job Type: Full-timePay: Up to 300,000.00TRY per monthExperience:<ul><li>.NET: 5 years (required)</li></ul>

Senior .NET Developer [J135]

Yolcu360

<div>
 
 Yolcu360 is a fast-growing travel tech company operating a global marketplace for car rentals and flight bookings. Our platform aggregates real-time inventory from 100+ car rental suppliers and major airlines, enabling users to search, compare, and book within seconds across 190+ countries.
 
 
 By combining advanced technology with a seamless user experience, we're redefining how people plan and book their travel. With a remote-first team and a strong focus on scalability, automation, and global expansion, Yolcu360 is building the future of integrated travel solutions.
 
 
 
 
 
 
 What You'll Build
 
 
 
 You'll develop and scale our backend microservices that power millions of travel bookings worldwide. Our platform processes complex multi-product orders (flights, car rentals) with sub-second response times, handles distributed transactions across multiple payment providers, and orchestrates real-time inventory from 100+ global suppliers.
 
 
 
 
 
 
 Key Backend Development Areas:
 
 
 <ul>
 <li>
 Building high-performance Go microservices for search, booking, payment, and inventory management
 </li>
 <li>
 Developing complex order lifecycle management
 </li>
 <li>
 Developing real-time aggregation systems that normalize data from 100+ suppliers
 </li>
 <li>
 Optimizing PostgreSQL queries processing millions of bookings
 </li>
 <li>
 Designing notification systems for booking confirmations, reminders, and alerts
 </li>
 <li>
 Designing multi-tenant systems supporting B2B and B2C operations
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Our Backend Technology
 
 
 
 
 
 
 
 Core Stack:
 
 
 
 Languages:
 
 Go
 
 
 
 Databases:
 
 PostgreSQL (primary), Redis, Elasticsearch
 
 
 
 Message Queues:
 
 AWS SQS, RabbitMQ
 
 
 
 API Design:
 
 RESTful APIs, OpenAPI/Swagger specifications
 
 
 
 Observability:
 
 Elastic APM, Distributed tracing, Prometheus
 
 
 
 Infrastructure:
 
 Kubernetes, Docker, AWS
 
 
 
 
 
 
 
 Development Environment:
 
 
 
 Version Control:
 
 Git/Github
 
 
 
 CI/CD:
 
 GitHub Actions, ArgoCD
 
 
 
 Code Quality:
 
 golangci-lint, gosec security scanning
 
 
 
 Project Management:
 
 Jira for sprint planning
 
 
 
 Communication:
 
 Slack for team collaboration
 
 
 
 Methodology:
 
 Scrum with 2-week sprints
 
 
 
 
 
 
 
 What We're Looking For
 
 
 
 
 
 
 
 Essential Requirements:
 
 
 <ul>
 <li>
 Minimum 7 years of professional software development experience
 </li>
 <li>
 Bachelor's or Master's degree in Computer Science or related field
 </li>
 <li>
 Strong experience with Go or similar compiled languages (Rust, C++, Java)
 </li>
 <li>
 Proven experience building RESTful APIs and microservices
 </li>
 <li>
 Deep understanding of PostgreSQL optimization and database design
 </li>
 <li>
 Experience with distributed systems and transaction management
 </li>
 <li>
 Knowledge of event-driven architectures and message queues
 </li>
 <li>
 Experience with Docker and container orchestration
 </li>
 </ul>
 
 
 
 
 
 Preferred Qualifications:
 
 
 <ul>
 <li>
 Experience with Go specifically (GORM, Fiber, or similar frameworks)
 </li>
 <li>
 Background in payment processing or financial systems
 </li>
 <li>
 Knowledge of distributed transactions
 </li>
 <li>
 Experience with multi-tenant SaaS architectures
 </li>
 <li>
 Understanding of CQRS and Event Sourcing patterns
 </li>
 <li>
 Experience with Kubernetes and cloud-native development
 </li>
 <li>
 Background in travel, e-commerce, or marketplace platforms
 </li>
 </ul>
 
 
 
 
 
 Personal Qualities:
 
 
 <ul>
 <li>
 Passion for building scalable, reliable systems
 </li>
 <li>
 Detail-oriented with focus on code quality and testing
 </li>
 <li>
 Enthusiasm for performance optimization and debugging
 </li>
 <li>
 Strong problem-solving and analytical skills
 </li>
 <li>
 Collaborative mindset and excellent communication
 </li>
 <li>
 Desire to work in a fast-paced, high-growth environment
 </li>
 </ul>
 
 
 
 
 
 Your Responsibilities
 
 
 
 
 
 
 
 Backend Development:
 
 
 <ul>
 <li>
 Design and implement new microservices using Go
 </li>
 <li>
 Optimize database queries handling millions of records
 </li>
 <li>
 Build robust APIs supporting mobile, web, and B2B integrations
 </li>
 <li>
 Implement distributed locking and transaction patterns
 </li>
 <li>
 Create event-driven workflows for complex business processes
 </li>
 </ul>
 
 
 
 
 
 System Architecture:
 
 
 <ul>
 <li>
 Participate in architecture decisions for new services
 </li>
 <li>
 Design scalable solutions for global expansion
 </li>
 <li>
 Implement caching strategies for sub-second response times
 </li>
 <li>
 Build resilient systems with circuit breakers and retries
 </li>
 <li>
 Optimize service-to-service communication patterns
 </li>
 </ul>
 
 
 
 
 
 Quality &amp; Performance:
 
 
 <ul>
 <li>
 Write comprehensive tests using suite-based testing patterns
 </li>
 <li>
 Debug complex distributed systems issues
 </li>
 <li>
 Optimize query performance and database indexes
 </li>
 <li>
 Implement observability with distributed tracing
 </li>
 <li>
 Ensure PCI compliance and security best practices
 </li>
 </ul>
 
 
 
 
 
 Collaboration &amp; Growth:
 
 
 <ul>
 <li>
 Participate in code reviews and technical discussions
 </li>
 <li>
 Work closely with product owners on requirement analysis
 </li>
 <li>
 Contribute to OpenAPI specifications and documentation
 </li>
 <li>
 Mentor junior developers and share backend expertise
 </li>
 <li>
 Stay current with Go ecosystem and backend trends
 </li>
 </ul>
 
 
 
 
 
 
 
 
 Why Join Our Backend Team?
 
 
 
 
 
 
 
 High-Impact Work
 
 
 
 Your code processes millions of bookings annually
 
 
 Direct influence on system architecture decisions
 
 
 Solve complex distributed systems challenges
 
 
 Build financial-grade transaction processing systems
 
 
 
 
 
 
 Technical Excellence
 
 
 
 Modern Go development with latest patterns
 
 
 Microservices architecture at scale
 
 
 Complex state management and workflow orchestration
 
 
 Real-time data processing with sub-second SLAs
 
 
 
 
 
 
 Award-Winning Culture
 
 
 
 Great Place to Work certified for 2+ consecutive years
 
 
 Fully remote work with flexible arrangements
 
 
 Small, agile teams with flat hierarchies
 
 
 High autonomy and trust in technical decisions
 
 
 
 
 
 
 Ready to Shape the Future of Travel Technology?
 
 
 
 
 
 
 Join Yolcu360's backend team and help power millions of travel bookings worldwide. We're looking for passionate backend engineers who want to tackle complex distributed systems challenges while building their careers at a future unicorn.
 
 
 Next Steps: Send us examples of your backend work - whether it's open source contributions, system designs you're proud of, or challenging problems you've solved. We'd love to understand how you think about architecture and see how you can help us scale our platform to the next level.
 
 
 
</div>

Senior Backend Developer

Turkcell

<div>
 
 Turkcell olarak yeteneklerimize e&scedil;siz insan deneyimi ya&scedil;atarak, de&gbreve;er yaratan s&uuml;rd&uuml;r&uuml;lebilir bir organizasyon in&scedil;a etmeyi ve i&scedil;veren markam&inodot;z&inodot; zirveye ta&scedil;&inodot;may&inodot; hedefliyoruz. Bu hedef do&gbreve;rultusunda benimsedi&gbreve;imiz de&gbreve;erlerimizi i&scedil; yap&inodot;&scedil; bi&ccedil;imlerimize yans&inodot;t&inodot;yoruz.
 
 
 
 
 
 
 
 Turkcell&rsquo;de Neye De&gbreve;er Veriyoruz?
 
 
 
 
 
 &Idot;nsan Odakl&inodot;l&inodot;k:
 
 E&scedil;siz insan deneyimi olu&scedil;turmak amac&inodot;yla uygulamalar&inodot;m&inodot;z&inodot;n merkezinde insan&inodot; konumluyor, &ccedil;al&inodot;&scedil;anlar&inodot;m&inodot;z&inodot;n potansiyelini en &uuml;st d&uuml;zeye &ccedil;&inodot;karmay&inodot; ve onlar&inodot;n yeteneklerini geli&scedil;tirmeyi hedefliyoruz.
 
 
 
 Yenilik:
 
 &Idot;nsanlar&inodot;n hayat&inodot;nda fark yaratan yenilik&ccedil;i &ccedil;&ouml;z&uuml;mler &uuml;retmek, fikir ve teknolojileri ke&scedil;fetmek i&ccedil;in tutkulu bir &scedil;ekilde &ccedil;al&inodot;&scedil;&inodot;yoruz.
 
 🚀
 
 
 
 
 M&uuml;kemmellik:
 
 Dahil oldu&gbreve;umuz ve temas etti&gbreve;imiz her noktada m&uuml;kemmelliyeti hedefliyor, kendimize y&uuml;ksek standartlar belirliyor, ola&gbreve;an&uuml;st&uuml; sonu&ccedil;lar elde ediyoruz.
 
 🎯👌🏼
 
 
 
 
 &Idot;&scedil; Birli&gbreve;i:
 
 Ba&scedil;ar&inodot;n&inodot;n anahtar&inodot; olarak birlikte &ccedil;al&inodot;&scedil;may&inodot;, sayg&inodot; ve &scedil;effafl&inodot;k k&uuml;lt&uuml;r&uuml;n&uuml; te&scedil;vik ediyoruz. 👥🔗🧩
 
 
 
 M&uuml;&scedil;teri Odakl&inodot;l&inodot;k:
 
 M&uuml;&scedil;terilerimizin ihtiya&ccedil;lar&inodot;n&inodot; merkeze koyarak ola&gbreve;an&uuml;st&uuml; m&uuml;&scedil;teri deneyimleri sunmay&inodot; hedefliyoruz. 🤝🖇️
 
 
 
 S&uuml;rd&uuml;r&uuml;lebilirlik:
 
 M&uuml;&scedil;terilerimiz, &ccedil;al&inodot;&scedil;anlar&inodot;m&inodot;z ve d&uuml;nyam&inodot;z i&ccedil;in s&uuml;rd&uuml;r&uuml;lebilir bir gelecek amac&inodot;yla &ccedil;al&inodot;&scedil;&inodot;yoruz.
 
 🌍
 
 
 
 
 
 
 
 
 Ne Bekliyoruz?
 
 
 
 <ul>
 <li>
 Tercihen Bilgisayar Bilimleri, Yaz&inodot;l&inodot;m M&uuml;hendisli&gbreve;i veya ilgili bir alanda lisans derecesine sahip,
 </li>
 <li>
 2-4 y&inodot;l aras&inodot; Java SE/EE geli&scedil;tirme deneyimi olan,
 </li>
 <li>
 Spring Framework (Spring Boot, Spring MVC, Spring Data JPA vb.) konusunda g&uuml;&ccedil;l&uuml; bilgi ve deneyime sahip,
 </li>
 <li>
 Veritaban&inodot; (tercihen PostgreSQL, Oracle, MySQL) bilgisi ve SQL deneyimi olan,
 </li>
 <li>
 Microservices mimarisi hakk&inodot;nda bilgisi ve deneyimi olan,
 </li>
 <li>
 RESTful API tasar&inodot;m&inodot; ve geli&scedil;tirme deneyimi olan,
 </li>
 <li>
 Jenkins, Maven veya Gradle ile proje y&ouml;netimi deneyimi olan,
 </li>
 <li>
 Versiyon kontrol sistemleri (Git) kullan&inodot;m&inodot; hakk&inodot;nda tecr&uuml;beli,
 </li>
 <li>
 Nesne y&ouml;nelimli programlama (OOP) prensipleri bilgisi olan,
 </li>
 <li>
 Birim testleri (JUnit, Mockito) ve Test Otomasyonu yazma konusunda yetkinli&gbreve;i olan,
 </li>
 <li>
 CI/CD (S&uuml;rekli Entegrasyon/S&uuml;rekli Da&gbreve;&inodot;t&inodot;m) s&uuml;re&ccedil;leri hakk&inodot;nda bilgili,
 </li>
 <li>
 G&uuml;venli kodlama prensipleri ve g&uuml;venlik a&ccedil;&inodot;klar&inodot; konusunda fark&inodot;ndal&inodot;&gbreve;&inodot; olan,
 </li>
 <li>
 Temiz kod ve SOLID prensipleri bilgisi olan,
 </li>
 <li>
 Mesajla&scedil;ma kuyruklar&inodot; (Kafka gibi) deneyimi olan,
 </li>
 <li>
 &Ccedil;evik metodolojilerle (Scrum/Kanban) &ccedil;al&inodot;&scedil;m&inodot;&scedil;,
 </li>
 <li>
 Sistem entegrasyonlar&inodot; ve API geli&scedil;tirme konular&inodot;nda deneyimli,
 </li>
 <li>
 Analitik d&uuml;&scedil;&uuml;nme, problem &ccedil;&ouml;zme ve g&uuml;&ccedil;l&uuml; ileti&scedil;im becerileri olan,
 </li>
 <li>
 Tak&inodot;m &ccedil;al&inodot;&scedil;mas&inodot;na yatk&inodot;n ve &ouml;&gbreve;renmeye a&ccedil;&inodot;k,
 </li>
 <li>
 
 
 Tercihen;
 
 
 </li>
 <li>
 NoSQL veritabanlar&inodot; (MongoDB, Cassandra) deneyimli,
 </li>
 <li>
 Docker ve/veya Kubernetes deneyimi olan,
 </li>
 <li>
 &Ouml;ny&uuml;z geli&scedil;tirme (Front-end) teknolojileri (React/Angular gibi frameworkler) hakk&inodot;nda bilgili,
 </li>
 <li>
 Ignite-Cache veya benzeri da&gbreve;&inodot;t&inodot;k &ouml;nbellekleme sistemleri deneyimi olan,
 </li>
 <li>
 Elasticsearch ve Logstash (ELK Stack bile&scedil;enleri) deneyimi olan,
 </li>
 <li>
 Apache Spark veya benzeri b&uuml;y&uuml;k veri i&scedil;leme platformlar&inodot; bilgisi olan,
 </li>
 <li>
 Yapay zeka ve makine &ouml;&gbreve;renimi teknolojileri hakk&inodot;nda bilgili,
 </li>
 <li>
 Bulut platformlar&inodot; hakk&inodot;nda bilgili.
 </li>
 </ul>
 
 
 
 
 
 
 Turkcell&rsquo;de Senior Java Developer Rol&uuml; Ne Yapar?
 
 
 
 <ul>
 <li>
 &Scedil;irket stratejilerine uygun olarak Inbound ve Outbound Omnichannel tan&inodot;t&inodot;m y&ouml;netimi uygulamalar&inodot;m&inodot;z&inodot;n geli&scedil;tirilmesinde ve mevcut mimarilerde renovasyon &ccedil;al&inodot;&scedil;malar&inodot;nda aktif rol al&inodot;r,
 </li>
 <li>
 Y&uuml;ksek performansl&inodot; ve &ouml;l&ccedil;eklenebilir Java tabanl&inodot; uygulamalar tasarlar, geli&scedil;tirir ve s&uuml;rd&uuml;r&uuml;r,
 </li>
 <li>
 Mevcut sistemleri analiz ederek performans darbo&gbreve;azlar&inodot;n&inodot; giderir ve s&uuml;rekli iyile&scedil;tirmeler yapar,
 </li>
 <li>
 API'ler, mikroservisler ve veri entegrasyonlar&inodot; &uuml;zerinde &ccedil;al&inodot;&scedil;&inodot;r,
 </li>
 <li>
 Yaz&inodot;l&inodot;m geli&scedil;tirme ya&scedil;am d&ouml;ng&uuml;s&uuml;n&uuml;n kodlama, birim test, deployment gibi a&scedil;amalar&inodot;nda aktif rol al&inodot;r; analiz ve fonksiyonel test gibi di&gbreve;er a&scedil;amalara destek olur.
 </li>
 </ul>
 
 
 
 
 
 
 Yan Haklar ve Faydalar
 
 
 
 
 Ekibimizin bir &uuml;yesi olarak, rekabet&ccedil;i bir &uuml;cret, esnek &ccedil;al&inodot;&scedil;ma d&uuml;zenlemeleri, kariyer geli&scedil;imi ve ilerleme f&inodot;rsatlar&inodot; gibi bir dizi yan hak ve fayda ile bulu&scedil;ma f&inodot;rsat&inodot; yakalayacaks&inodot;n. Detaylara "https://bit.ly/TurkcellTKusagi&rsquo;&rsquo; &uuml;zerinden ula&scedil;abilirsin. 🎁▶️
 
 
 
 
 
 
 *Turkcell bir e&scedil;it f&inodot;rsat i&scedil;verenidir ve &inodot;rka, renge, dine, cinsiyete, ulusal k&ouml;kene, etnik k&ouml;kene, ya&scedil;a, fiziksel g&ouml;r&uuml;n&uuml;&scedil;e veya duruma, medeni durumuna, askerlik durumuna bak&inodot;lmaks&inodot;z&inodot;n, t&uuml;m nitelikli ba&scedil;vuru sahiplerini istihdam i&ccedil;in de&gbreve;erlendirmeye al&inodot;r.
 
 
 
 
</div>

Senior Java Developer

Explore 391+ Senior front end developer in Istanbul this October. Find roles across top companies and apply now to boost your career.