back-end developer (python) - on site Jobs in Istanbul

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senior backend developer python django

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)

MINDPICKED

<div>
 
 MINDPICKED is a new generation recruitment firm providing companies solutions in their search for talent, and talents opportunities who wants to reach their potential.
 
 
 
 
 
 We specialize in middle and senior management recruitment in various sectors and countless job functions.
 
 
 
 
 
 We are looking for
 
 &ldquo;Mid Back End Developer&rdquo;
 
 in the cloud computing, system virtualization, and automation technologies domain for our client.
 
 
 
 
 
 
 Key Responsibilities:
 
 
 
 
 
 <ul>
 <li>
 Develop, test, and maintain backend microservices and APIs for Olympos, Sybelle, and Unified Suite platforms,
 </li>
 <li>
 Collaborate with Senior Developers and Architects to ensure modular, scalable, and fault-tolerant architecture,
 </li>
 <li>
 Implement data models, storage solutions, and caching mechanisms for high-throughput data systems,
 </li>
 <li>
 Integrate backend services with external systems (e.g., LDAP, NetBackup, Commvault, CloudStack APIs),
 </li>
 <li>
 Participate in code reviews, debugging, and optimization to ensure reliability and performance,
 </li>
 <li>
 Contribute to the design of API specifications (REST, gRPC) and maintain documentation,
 </li>
 <li>
 Implement authentication, authorization (RBAC), and licensing microservices aligned with Unified Suite standards,
 </li>
 <li>
 Work with QA and DevOps teams to support CI/CD pipelines, automated testing, and containerized deployments,
 </li>
 <li>
 Monitor and improve system performance, scalability, and resource utilization,
 </li>
 <li>
 Ensure adherence to security standards, best practices, and compliance requirements.
 </li>
 </ul>
 
 
 
 
 
 Qualifications:
 
 
 
 
 
 <ul>
 <li>
 3&ndash;5 years of professional backend development experience,
 </li>
 <li>
 Strong proficiency in Python or Go (Golang),
 </li>
 <li>
 Experience with microservice architecture and API development,
 </li>
 <li>
 Familiarity with PostgreSQL, TimescaleDB, or other relational/time-series databases,
 </li>
 <li>
 Hands-on experience with Docker, Kubernetes, and cloud-native environments,
 </li>
 <li>
 Understanding of message brokers (Kafka, RabbitMQ, or Redis Streams) for asynchronous communication,
 </li>
 <li>
 Experience integrating with identity and access management (IAM) or LDAP/AD systems,
 </li>
 <li>
 Solid understanding of version control (Git) and CI/CD practices,
 </li>
 <li>
 Strong problem-solving, analytical, and communication skills,
 </li>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering, or equivalent experience.
 </li>
 </ul>
 
 
 
 
 
 Nice to Have
 
 
 
 
 
 <ul>
 <li>
 Experience with automation, orchestration, or observability platforms,
 </li>
 <li>
 Exposure to Digital Twin architectures or data collection pipelines,
 </li>
 <li>
 Understanding of performance tuning, load balancing, and horizontal scalability,
 </li>
 <li>
 Knowledge of secure API design and data protection standards,
 </li>
 <li>
 Basic understanding of frontend technologies (React, TypeScript) for end-to-end awareness.
 </li>
 </ul>
 
 
</div>

Mid Back End Developer

Kron

<div>
 
 We are looking for a Linux C Developer to develop performance critical, scalable software.
 
 
 
 
 
 Ideal candidate should have prior knowledge of the Linux operating system internals. This is an interesting position with opportunity to work on from resource constrained small embedded devices to high capacity backend servers.
 
 
 
 
 
 QUALIFICATIONS
 
 
 
 
 <ul>
 <li>
 University degree in computer engineering or related fields
 </li>
 <li>
 Knowledge of Linux kernels
 </li>
 <li>
 Good knowledge of the Linux operating system (POSIX API, IPC, resource handling, processes and threads) Expertise in system development with C
 </li>
 <li>
 Experience in programming in multithreading environment
 </li>
 <li>
 Knowledge of IP network protocols
 </li>
 <li>
 Ideally, scripting language experience in Bash, GNU Make, Python, Lua
 </li>
 <li>
 Be passionate, curious &amp; eager to learn
 </li>
 <li>
 Be a good team player
 </li>
 <li>
 Fluent in English
 </li>
 <li>
 Have strong communicational and interpersonal skills
 </li>
 </ul>
 
 
</div>

Linux C Developer

SevenApps

<div>
 
 About Our Team
 
 
 
 We are a forward-thinking team seeking a talented Software Engineer with a passion for Python and backend development. We thrive on innovation and are committed to using a variety of technologies to solve complex problems.
 
 
 
 Role Description
 
 
 
 As a Software Engineer at our company, you'll play a pivotal role in developing and maintaining Python-based backend applications. Your expertise in Python is crucial, but your ability to adapt to other languages like NodeJS, Java, and GO for internal projects will set you apart.
 
 
 
 Key Responsibilities
 
 
 
 <ul>
 <li>
 Design, develop, and maintain container-based applications.
 </li>
 <li>
 Monitor application performance with tools like DataDog.
 </li>
 <li>
 Manage Docker and Kubernetes environments.
 </li>
 <li>
 Develop bridge code for cloud environments (e.g., Replicate, Modal).
 </li>
 <li>
 Deploy applications to GCP App Engine, Cloud Run, and Heroku.
 </li>
 <li>
 Proficiency in OOP, Design Patterns, and Clean Code principles.
 </li>
 <li>
 Write and maintain tests for your code.
 </li>
 <li>
 Integrate projects with CICD platforms like GitHub Actions and Jenkins.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Bachelor's degree in Computer Science or related field.
 </li>
 <li>
 Backend development experience with Python.
 </li>
 <li>
 Proficiency in Python tools (PYPI, Pyenv, Virtual Env, Pipenv, Flake8, Black).
 </li>
 <li>
 Strong knowledge of PostgreSQL and familiarity with Aurora.
 </li>
 <li>
 Basic understanding of machine learning libraries (e.g., Torch, TensorFlow).
 </li>
 <li>
 Excellent problem-solving, communication, and interpersonal skills.
 </li>
 <li>
 Ability to work both independently and in a team.
 </li>
 <li>
 Fluency in English, both verbal and written.
 </li>
 <li>
 Deep knowledge of Firebase tools and experience in writing various tests
 
 
 </li>
 </ul>
 
 Our Tech Stack
 
 
 
 <ul>
 <li>
 Python on FastAPI
 </li>
 <li>
 GCP, AWS, Heroku for deployment
 </li>
 <li>
 Datadog for APM
 </li>
 <li>
 GitHub Actions for CICD
 </li>
 <li>
 PostgreSQL for RDBMS
 </li>
 <li>
 Modal and Replicate for GPU-intensive projects
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 
 What's in it for you
 
 
 
 <ul>
 <li>
 Private Health Insurance: Stay covered with our comprehensive health plan
 </li>
 <li>
 Meal &amp; Transportation Allowance: Fuel your commute and appetite, stress-free!
 </li>
 <li>
 Snacks &amp; Cozy Office Vibes: Work in a chill space stocked with treats you'll love
 </li>
 <li>
 Learning Stipend: Invest in yourself&mdash;we'll cover part of your growth journey!
 </li>
 <li>
 Marriage Support: Celebrate your big day with our special financial contribution to mark the occasion
 </li>
 </ul>
</div>

Back-end Developer (Python) - On Site

Seven Apps

<div>About Our Team
We are a forward-thinking team seeking a talented Software Engineer with a passion for Python and backend development. We thrive on innovation and are committed to using a variety of technologies to solve complex problems.
Role Description
 
 
As a Software Engineer at our company, you'll play a pivotal role in developing and maintaining Python-based backend applications. Your expertise in Python is crucial, but your ability to adapt to other languages like NodeJS, Java, and GO for internal projects will set you apart.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul>
<li>Design, develop, and maintain container-based applications.
</li><li>Monitor application performance with tools like DataDog.
</li><li>Manage Docker and Kubernetes environments.
</li><li>Develop bridge code for cloud environments (e.g., Replicate, Modal).
</li><li>Deploy applications to GCP App Engine, Cloud Run, and Heroku.
</li><li>Proficiency in OOP, Design Patterns, and Clean Code principles.
</li><li>Write and maintain tests for your code.
</li><li>Integrate projects with CICD platforms like GitHub Actions and Jenkins.
</li></ul>Requirements<ul>
<li>
Bachelor's degree in Computer Science or related field.
</li><li>Backend development experience with Python.
</li><li>Proficiency in Python tools (PYPI, Pyenv, Virtual Env, Pipenv, Flake8, Black).
</li><li>Strong knowledge of PostgreSQL and familiarity with Aurora.
</li><li>Basic understanding of machine learning libraries (e.g., Torch, TensorFlow).
</li><li>Excellent problem-solving, communication, and interpersonal skills.
</li><li>Ability to work both independently and in a team.
</li><li>Fluency in English, both verbal and written.
</li><li>Deep knowledge of Firebase tools and experience in writing various tests.</li>
</ul>
Our Tech Stack
<ul><li>Python on FastAPI
</li><li>GCP, AWS, Heroku for deployment</li>
<li>Datadog for APM</li>
<li>GitHub Actions for CICD</li>
<li>PostgreSQL for RDBMS</li>
<li>Modal and Replicate for GPU-intensive projects</li>
</ul>
Benefits 
What's in it for you<ul>
<li>
Private Health Insurance: Stay covered with our comprehensive health plan.</li>
<li>Meal &amp; Transportation Allowance: Fuel your commute and appetite, stress-free!</li>
<li>Snacks &amp; Cozy Office Vibes: Work in a chill space stocked with treats you&rsquo;ll love.</li>
<li>Learning Stipend: Invest in yourself&mdash;we&rsquo;ll cover part of your growth journey!</li>
<li>Marriage Support: Celebrate your big day with our special financial contribution to mark the occasion.</li></ul></div>

Arena

<div>
 
 Bringing together more than 10.000 business partners with the world's leading technology brands in Turkey, Arena is the leading technology products provider in the country. The company manages a wide range of products such as information technologies, telecommunications, consumer electronics, retail and internet retailing, by following closely every development in technology.
 
 
 
 
 
 Since its establishment in 1991, Arena has been sustaining the mission of breaking new grounds with great ability to follow the rapid developments in market conditions and to anticipate consumer expectations. This is why the company has been keeping making various innovations. It is among the biggest technology companies in Turkey to deliver the right products to customers via reliable business partners.
 
 
 
 
 
 At Arena, diversity, equity, and inclusion (DEI) are central to who we are. We are committed to creating a workplace where everyone &mdash; regardless of age, gender, ethnicity, or background &mdash; can learn, grow, and thrive. DEI is not just a policy for us; it's a shared responsibility and a core part of our culture.
 
 
 
 
 
 We are looking for a skilled Software Developer who is passionate about creating scalable, high-quality systems and contributing to the evolution of modern, AI-driven products.
 
 
 
 
 
 
 Qualifications:
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering or related engineering discipline.
 </li>
 <li>
 3+ years of hands-on experience with C# and .NET Core / ASP.NET Web API.
 </li>
 <li>
 Strong knowledge of backend architecture patterns (clean architecture, modular design, microservices).
 </li>
 <li>
 Experience with REST and GraphQL API design, security and versioning.
 </li>
 <li>
 Solid experience in database design and data access (SQL, NoSQL, Vector Databases, ORM tools).
 </li>
 <li>
 Experience with real-time and asynchronous communication (WebSocket, SignalR, message queues).
 </li>
 <li>
 Strong understanding of clean code practices and SOLID principles, applied pragmatically.
 </li>
 <li>
 Experience with testing, code quality and maintainability practices.
 </li>
 <li>
 Familiarity with Agile methodologies and CI/CD pipelines.
 </li>
 <li>
 Experience with Python and FastAPI, especially for AI-oriented or integration-heavy services.
 </li>
 <li>
 Familiarity with LLM / AI integration concepts.
 </li>
 <li>
 Comfortable working in product-oriented, fast-paced teams.
 </li>
 <li>
 Professional proficiency in English.
 </li>
 </ul>
 
 
 
 
 
 Responsibilities:
 
 
 <ul>
 <li>
 Design, develop and maintain scalable backend services and web applications.
 </li>
 <li>
 Take an active role in new product development and platform evolution.
 </li>
 <li>
 Build API-first, secure and reusable backend components.
 </li>
 <li>
 Develop real-time and asynchronous systems and external service integrations.
 </li>
 <li>
 Use AI-assisted development tools (code generation, refactoring, test generation, documentation) to improve delivery speed and quality.
 </li>
 <li>
 Contribute to architecture decisions, code reviews and engineering best practices.
 </li>
 <li>
 Prepare technical documentation and release notes.
 </li>
 <li>
 Contribute to unit testing, code quality practices and CI/CD pipelines.
 </li>
 </ul>
 
 
 
 
 &ldquo;Yapaca&gbreve;&inodot;n&inodot;z i&scedil; ba&scedil;vurular&inodot; Ki&scedil;isel Verilerin Korunmas&inodot; Kanunu (&ldquo;KVKK&rdquo;) ve ilgili mevzuat kapsam&inodot;nda otomatik yollarla i&scedil;lenecektir. Detayl&inodot; bilgi i&ccedil;in Ayd&inodot;nlatma Metnini (https://www.arena.com.tr/hakkimizda/kvkk-aydinlatma-beyannamesi) inceleyebilirsiniz.&rdquo;
 
</div>

Senior / Mid Software 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>

Backend Developer

Explore 342+ Senior backend developer python django in Istanbul this January. Find roles across top companies and apply now to boost your career.

342 senior backend developer python django jobs IN Istanbul

Senior Backend Developer (Python/Django)

Mid Back End Developer

Linux C Developer

Back-end Developer (Python) - On Site

Back-end Developer (Python) - On Site

Senior / Mid Software Developer

Backend Developer