frontend developer

full stack developer

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back end developer

full-stack developer

backend developer

Cypher Games

<div>
 At Cypher Games, our backend systems are the invisible engine that powers millions of joyful player moments. As a Backend Developer, you&rsquo;ll build the scalable architectures and reliable services that bring our games to life. From designing core systems to optimizing live operations, your work will ensure smooth, seamless, and unforgettable experiences for players around the world.
 
 
 If you love crafting robust code, enjoy tackling complex technical challenges, and want to shape the foundation of games played by millions, we&rsquo;d be thrilled to have you join our team.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Design, build, and maintain scalable backend systems for our mobile games
 </li>
 <li>
 Develop and optimize core services that power live game operations
 </li>
 <li>
 Write clean, testable, and maintainable code while applying OOP and design pattern principles
 </li>
 <li>
 Collaborate closely with product, game, and art teams to create seamless player experiences
 </li>
 <li>
 Monitor live game services and ensure performance, stability, and scalability
 </li>
 <li>
 Contribute ideas to improve our tools, architecture, and engineering culture
 
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 3+ years of backend development experience
 </li>
 <li>
 Strong understanding of C#, ASP.NET Core, and SignalR for real-time systems
 </li>
 <li>
 Experience with MongoDB / Redis / AWS or equivalent technologies
 </li>
 <li>
 Experience with asynchronous programming and handling high-concurrency scenarios
 </li>
 <li>
 Solid grasp of OOP, design patterns, and software architecture
 </li>
 <li>
 Strong problem-solving skills and attention to performance optimization
 </li>
 <li>
 Eagerness to learn, share, and grow in a collaborative environment
 </li>
 <li>
 Passion for games; you love building systems that make play possible!
 
 
 
 </li>
 </ul>
 
 Nice to Have
 
 
 
 <ul>
 <li>
 Experience in mobile game backend systems
 </li>
 <li>
 Knowledge of concurrency, distributed systems, or multiplayer architecture
 </li>
 <li>
 Experience with additional programming languages (e.g., Go, Python, Java).Familiarity with Docker, Terraform, or infrastructure as code
 </li>
 <li>
 Experience with observability tools (OpenTelemetry, Prometheus, Jaeger)
 </li>
 <li>
 Experience with AI-assisted development and a critical eye for code quality
 
 
 
 </li>
 </ul>
 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
</div>

Backend Developer

Orion Innovation Turkey

<div>
 
 
 Who are we?
 
 
 
 
 
 
 At
 
 Orion Innovation Turkey
 
 , we build scalable, secure and high-performance software solutions. Our teams collaborate with colleagues across different countries, creating impactful products in a truly global environment.
 
 
 
 
 
 
 What are we doing?
 
 
 
 
 
 
 Currently, we are working on a telecommunications testing product and developing a wrapper layer on top of it to enhance usability and integration. This includes building API services and supporting backend components that allow seamless interaction with the testing product, ensuring scalability, flexibility, and high performance. As part of our team, you will contribute to designing and implementing these backend services.
 
 
 
 
 
 While your first focus will be on this product, there may be opportunities to contribute to other projects in the future as our portfolio evolves.
 
 
 
 
 
 
 Our tech stack:
 
 
 
 
 
 <ul>
 <li>
 Languages &amp; Frameworks: Java, Spring Boot, Python, FastAPI, Celery
 </li>
 <li>
 Databases: MySQL, Redis, influxDB
 </li>
 <li>
 Infrastructure: Linux, Docker, Kubernetes, Bash Scripting, Ansible
 </li>
 <li>
 CI/CD &amp; Version Control: GitLab CI/CD, Git
 </li>
 <li>
 Observability &amp; Monitoring: ELK Stack (Elasticsearch, Logstash, Kibana), Filebeat, Grafana, Prometheus
 </li>
 <li>
 Testing &amp; Performance: JMeter, Selenium
 </li>
 </ul>
 
 
 
 
 
 What will you do in an Agile team?
 
 
 
 
 
 <ul>
 <li>
 Design and develop scalable, secure, and high-performance backend services.
 </li>
 <li>
 Build and maintain REST APIs.
 </li>
 <li>
 Work with Docker and Kubernetes for containerized deployments.
 </li>
 <li>
 Use observability and monitoring tools to ensure system health.
 </li>
 <li>
 Flexible to provide occasional support outside regular working hours due to international collaboration and time zone differences, ensuring critical issues can be addressed promptly
 </li>
 <li>
 Perform performance and load testing with JMeter.
 </li>
 <li>
 Actively participate in the full software development lifecycle.
 </li>
 <li>
 Write clean, maintainable code following best practices.
 </li>
 <li>
 Prepare technical documentation and contribute to team knowledge sharing.
 </li>
 </ul>
 
 
 
 
 
 What we expect from you?
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Computer Engineering, or related field.
 </li>
 <li>
 1&ndash;3 years of professional backend development experience.
 </li>
 <li>
 Strong knowledge of Java and Python.
 </li>
 <li>
 Strong knowledge of OOP &amp; Docker.
 </li>
 <li>
 Hands-on experience with REST API development.
 </li>
 <li>
 Strong knowledge of relational databases.
 </li>
 <li>
 Good knowledge of Linux.
 </li>
 <li>
 Experience with design principles and patterns.
 </li>
 <li>
 Knowledge of networking and TCP/IP concepts, with tools like Wireshark.
 </li>
 <li>
 Excellent communication skills in English,
 
 both written and spoken.
 
 </li>
 </ul>
 
 
 
 
 
 Nice to have:
 
 
 
 
 
 <ul>
 <li>
 Hands-on experience with CI/CD and automation.
 </li>
 <li>
 Experience with observability and monitoring tools (ELK Stack, Filebeat, Grafana, Prometheus).
 </li>
 <li>
 Knowledge of Kubernetes.
 </li>
 <li>
 Knowledge of Agentic AI and Large Language Models
 </li>
 <li>
 Hands-on experience with performance testing (JMeter).
 </li>
 <li>
 Experience with frontend technologies (React, TypeScript).
 </li>
 <li>
 Understanding of modern microservices architectures.
 </li>
 </ul>
 
 
 
 
 
 What we can offer you?
 
 
 
 
 
 <ul>
 <li>
 
 Continuous growth and learning
 
 &ndash; Enjoy access to a wide range of in-house and external training programs designed to help you expand your skills, discover new strengths, and stay ahead in your career journey.
 </li>
 <li>
 
 A truly international environment
 
 &ndash; Work side by side with passionate colleagues from all over the world, bringing together diverse perspectives, cultures, and experiences that make every day exciting and enriching.
 </li>
 <li>
 
 Rewarding career benefits
 
 &ndash; Along with personal and professional development, you&rsquo;ll enjoy a competitive compensation package that truly values your contribution and dedication.
 </li>
 <li>
 
 More than just a workplace
 
 &ndash; We believe in creating an atmosphere where collaboration, curiosity, and innovation thrive, so you&rsquo;ll feel inspired, supported, and valued from day one.
 </li>
 </ul>
 
 
 
 
 Orion is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, citizenship status, disability status, genetic information, protected veteran status, or any other characteristic protected by law.
 
</div>

Bitexen

<div>
 
 
 REQUIREMENTS:
 
 
 
 
 
 <ul>
 <li>
 Ideally having a degree in Computer Science and strong Engineering background,
 </li>
 <li>
 Minimum of 5 years software development experience and exposure to the web applications &amp; architectures,
 </li>
 <li>
 Excellent knowledge of Python. Having experience at developing back-end solutions,
 </li>
 <li>
 Experienced at MVC pattern, RESTful web services, and web frameworks; e.g. Django,
 </li>
 <li>
 Good at developing Node.js based asynchronous solutions,
 </li>
 <li>
 Working knowledge on synchronous programming by means of utilizing frameworks such as, Gevent, Tornado, Asyncio, Node.js, etc.
 </li>
 <li>
 Having experience on building multi-threaded and multi-process solutions,
 </li>
 <li>
 Good at working with RDBMS&rsquo;s (PostgreSQL) and No-SQL databases (MongoDB),
 </li>
 <li>
 Having prior interest on trading (@Fiat and/or Crypto currencies) is desired but not strictly required,
 </li>
 <li>
 Working knowledge on Blockchain technology and ecosystem,
 </li>
 <li>
 Strong verbal and written communication skills.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 
 
 
 JOB DESCRIPTION:
 
 
 
 
 
 <ul>
 <li>
 Develops new features and handles maintenance activities for our web-based exchange platform.
 </li>
 <li>
 Upholds a high standard of code quality via following best practices and DevOps automation. Writes clean, maintainable and testable code.
 </li>
 <li>
 Expected to turn business goals into tech solutions. Supports the entire application lifecycle (concept, design, test, release, and support).
 </li>
 <li>
 Recommends engineering solutions for both functional and non-functional requirements.
 </li>
 <li>
 Works with Agile development methodology and principles.
 </li>
 <li>
 Follows engineering approaches while developing software and apply design principles fits with the selected software architecture.
 </li>
 <li>
 Mentor others, does code reviews, and performs pair programming.
 </li>
 </ul>
 
 
</div>

Senior Backend Developer (Python/Django)

Chefsdeal

Chef's Deal Restaurant Equipment Company in Downtown Nashville is seeking a Senior Backend PHP Developer for E&#8209;Commerce. If you're hard-working and dedicated, Chef's Deal is an excellent company for you. Apply today!You do not need to live in US for this job. We are seeking a specialist that lives in Turkey and can work at US Central time; Monday to Friday 8am. to 5pm.Interviews will be available immediately for qualified candidates.About the Role:We&rsquo;re building and scaling the backend of the Chef&rsquo;s Deal e&#8209;commerce platform, a high&#8209;traffic online store that combines Magento with a custom PHP framework. Our backend powers product catalogs, APIs, search, and integrations with payment providers and external services. We&rsquo;re looking for a Senior/Mid-Level Backend PHP Developer who can take ownership of complex features, improve performance, and help us evolve the platform for the future.Job Duties / Responsibilities:<ul><li>Maintain and extend backend features that power storefront APIs, product data, categories, and search.</li><li>Work with Magento data structures and synchronization flows (no deep Magento customization required).</li><li>Design and tune Elasticsearch indices and queries for fast, relevant product search and listings.</li><li>Integrate and maintain payment gateways (Stripe, PayPal).</li><li>Work with AWS services (S3, SDK integrations) for media and asset storage.</li><li>Improve performance and reliability of background jobs and indexing pipelines.</li><li>Troubleshoot production issues using logs and monitoring tools (Sentry) and propose resilience improvements.</li><li>Performs other duties as assigned</li></ul>Qualifications:<ul><li>Strong PHP 8.x experience with Composer&#8209;based dependency management.</li><li>Familiarity with mainstream frameworks (Laravel, Symfony) and ability to work with custom frameworks.</li><li>Deep SQL/MySQL knowledge (schema design, queries, migrations, performance tuning).</li><li>Experience with Elasticsearch (indexing, analyzers, queries, tuning).</li><li>Experience with Redis for caching and sessions.</li><li>Familiarity with AWS SDK/S3 and file storage integrations.</li><li>Experience with payment gateway integrations.</li><li>Comfortable with Docker for local development.</li><li>Solid understanding of testing (PHPUnit), Git workflows, and CI/CD pipelines</li></ul>Additional Skills (Good to have):<ul><li>Exposure to Magento product/catalog schemas.</li><li>Experience with Kubernetes deployments.</li><li>Background in large&#8209;scale data processing or long&#8209;running console tasks.</li><li>Prior experience with e&#8209;commerce platforms and checkout/payment flows.</li></ul>Soft Skills :<ul><li>Clear communicator who can explain technical trade&#8209;offs.</li><li>Strong problem&#8209;solver with debugging and production triage skills.</li><li>Team player who shares knowledge and supports others.</li><li>Self&#8209;driven, organized, and able to own features end&#8209;to&#8209;end.</li><li>Pragmatic and outcomes&#8209;oriented, balancing delivery with technical quality</li><li>Fluent in English</li></ul>Why Join Us :<ul><li>Work on a high&#8209;impact e&#8209;commerce platform with real&#8209;world scale.</li><li>Collaborate with a skilled, supportive engineering team.</li><li>Competitive salary and benefits.</li><li>Flexible working arrangements.</li><li>Opportunities for growth in modern backend, cloud, and search technologies.</li></ul>Position: Full time, RemoteExperience Level: Senior / Mid-LevelSalary: Between 1500 and 2000 USD (depending on the experience)Job Types: Full-time, Contract, PermanentPay: 63,500.00TRY - 85,000.00TRY per month

Senior/Mid-level Backend PHP Developer E‑Commerce

Good Job Games

<div>
 
 
 
 About us
 
 
 
 
 We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team!
 
 
 
 
 
 
 
 What you'll be doing
 
 
 
 
 We are looking for a passionate
 
 Backend Developer
 
 who is excited to architect and implement technology, tools and infrastructure that empower Good Job Games!
 
 
 
 
 
 In this role, you will conceptualize and build external shared game services which are distributed, highly available, have high throughput and low latency. You will also build internal services and tools that support game operations, state of the art data analysis, business intelligence and automation at scale, empowering various teams at Good Job Games. We collaborate to bring out the best in each other. You will join with the hard working engineers on critical systems and you&rsquo;ll have an opportunity to both learn, teach and grow yourself.
 
 
 
 
 
 
 
 Minimum skills and experiences
 
 
 
 <ul>
 <li>
 B.S. or higher preferably in Computer Science, Math or Physics (or equivalent work experience)
 </li>
 <li>
 Understanding distributed, highly scalable, low latency, fault tolerant backend architecture fundamentals
 </li>
 <li>
 Knowledge of the Go programming language at an entry-level, including experience with basic Go syntax and concepts such as goroutines and channels
 </li>
 <li>
 Strong engineering, design and architecture skills
 </li>
 <li>
 Experience with software engineering best practices
 </li>
 </ul>
 
 
 
 
 
 
 Desired skills and experiences
 
 
 
 <ul>
 <li>
 Familiarity with cloud systems such as AWS
 </li>
 <li>
 Familiarity with NoSQL and in-memory databases like DynamoDB, Redis
 </li>
 <li>
 Familiarity with container orchestration technologies like EKS, ECS, Nomad
 </li>
 <li>
 Familiarity with DevOps and CI/CD tools such as Jenkins, Github Actions
 </li>
 <li>
 Familiarity with infrastructure-as-code technologies like CDK, Terraform, Pulumi
 </li>
 </ul>
 
 
 
 
 
 
 What makes our team so unique
 
 
 
 <ul>
 <li>
 Feedback and transparency are at the heart of everything we do
 </li>
 <li>
 Exceptional and passionate people/team members
 </li>
 <li>
 Every idea counts
 </li>
 <li>
 Never-ending learning
 </li>
 <li>
 We never stop asking the questions &ldquo;why&rdquo; and &ldquo;how&rdquo;
 </li>
 </ul>
 
 
 
 
 
 
 Our Perks
 
 
 
 <ul>
 <li>
 Team events and trips
 </li>
 <li>
 Great food
 </li>
 <li>
 On-site gym
 </li>
 <li>
 Full health benefits
 </li>
 <li>
 Compensation for paid military service
 </li>
 <li>
 Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights)
 </li>
 </ul>
 
 
 
 
 
 This is an on-site role in Istanbul, Sar&inodot;yer. Unfortunately, we do not offer a fully-remote working option.
 
 
</div>

Junior Software Engineer

Amaris Consulting

<div>
 
 Job Description
 
 
 
 We are seeking a talented and motivated
 
 Java Developer
 
 to join our development team. The ideal candidate will have hands-on experience in building scalable and maintainable backend systems using
 
 Spring Framework
 
 and
 
 Microservice architecture
 
 . This role offers the opportunity to work on exciting projects in a collaborative and international environment.
 
 
 
 Key Responsibilities:
 
 
 
 
 <ul>
 <li>
 Design, develop, and maintain backend services using Java and Spring Boot
 </li>
 <li>
 Develop and manage microservice-based architectures
 </li>
 <li>
 Write clean, testable, and efficient code
 </li>
 <li>
 Collaborate with frontend developers, QA teams, and product owners
 </li>
 <li>
 Participate in code reviews, troubleshooting, and performance tuning
 </li>
 <li>
 Follow Agile development practices and contribute to continuous improvement
 
 
 
 </li>
 </ul>
 
 Requirements:
 
 
 
 
 <ul>
 <li>
 Solid experience in Java development
 </li>
 <li>
 Proficiency in Spring Boot, Spring Framework, and related technologies
 </li>
 <li>
 Experience with REST APIs and microservice architectures
 </li>
 <li>
 Basic knowledge of databases (SQL/NoSQL)
 </li>
 <li>
 Familiarity with version control tools (e.g., Git)
 </li>
 <li>
 English proficiency at B1+ level or above (written and verbal)
 
 
 
 </li>
 </ul>
 If you're ready to contribute to high-quality backend systems with modern Java technologies, apply now and Join us in a hybrid role from our Istanbul office, combining remote flexibility with on-site collaboration.
 
 
 
 Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We review applications from all qualified individuals regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or any other characteristic. Special consideration will be given to candidates with disabilities.
 
</div>

Java Developer (Hybrid)

Nets-international Communication

Job Overview The Python Developer is responsible for designing, developing, and maintaining scalable software applications using Python and related frameworks. The role involves working closely with cross-functional teams to build backend systems, APIs, data pipelines, or automation tools that align with business goals and technical standards.Key Responsibilities<ul><li>Develop, test, and deploy Python-based applications ensuring high performance and reliability.</li><li>Write clean, efficient, and reusable code following best practices (PEP 8 standards).</li><li>Design and implement RESTful APIs for web or mobile applications.</li><li>Integrate front-end elements with server-side logic (collaborating with UI/UX or frontend developers).</li><li>Work with databases (SQL or NoSQL) such as PostgreSQL, MySQL, or MongoDB.</li><li>Develop data processing pipelines, automation scripts, or machine learning models (depending on project scope).</li><li>Conduct code reviews, debugging, and performance optimization.</li><li>Work collaboratively using Git, Agile methodologies (Scrum/Kanban), and CI/CD pipelines.</li><li>Maintain detailed technical documentation for new and existing systems.</li><li>Stay updated with the latest Python frameworks, libraries, and industry trends.</li></ul>Required Skills<ul><li>Strong proficiency in Python 3.x and object-oriented programming (OOP).</li><li>Hands-on experience with one or more Python frameworks:</li><li>Web frameworks: Django, Flask, FastAPI</li><li>Data frameworks: Pandas, NumPy, PySpark</li><li>Automation / Scripting: Selenium, Requests, BeautifulSoup</li><li>Familiarity with API development and microservices architecture.</li><li>Experience with database systems: MySQL, PostgreSQL, MongoDB, or Redis.</li><li>Understanding of unit testing (PyTest, Unittest) and CI/CD tools (Jenkins, GitHub Actions).</li><li>Familiarity with Docker, Kubernetes, and cloud services (AWS, Azure, or GCP) is a plus.</li><li>Knowledge of version control systems like Git.</li></ul>Job Type: Full-timeAbility to commute/relocate:<ul><li>&#305;stanbul: Reliably commute or planning to relocate before starting work (Required)</li></ul>Application Question(s):<ul><li>what is your monthly current salary?</li><li>what is your monthly expected salary?</li><li>what is your notice period?</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>Python developer: 3 years (Required)</li></ul>

Python Developer

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90 backend developer jobs IN Istanbul

Backend Developer

Backend Developer

Senior Backend Developer (Python/Django)

Senior/Mid-level Backend PHP Developer E‑Commerce

Junior Software Engineer

Java Developer (Hybrid)

Python Developer