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

back-end developer (python) - on site

back end 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>

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)

PlusMinusOne

<div>
 
 PlusMinusOne is a&nbsp;
 
 mobile startup studio
 
 &nbsp;that focuses on developing and marketing its own apps that are used and loved by millions of people around the world. Our products collectively reach&nbsp;
 
 more than a half-million&nbsp;new users every month in the US market alone.
 
 &nbsp;Our team works in hybrid model with&nbsp;offices in&nbsp;San Francisco, Istanbul and Ankara.
 
 
 
 
 
 We have been building mobile products focused on Business, Photo &amp; Video, and Education categories in the App Store mainly for the US market since 2016. And in each of these categories,
 
 our goal is the same:&nbsp;provide actual value to people with the best mobile user experience.
 
 
 
 
 
 
 We&rsquo;re in an exciting period of growth and are looking for
 
 Backend Developer
 
 who will help us shape the future of mobile.
 
 
 &nbsp;
 
 
 
 What we are looking for:
 
 
 
 
 
 <ul>
 <li>
 BS or MS degree in Computer Science, Engineering or related field
 </li>
 <li>
 2+ years of experience in software engineering
 </li>
 <li>
 Preferably proficient with Node.js, designing and developing REST APIs, AWS environment, CDN (Amazon Cloudfront etc.) experienced in technologies.
 </li>
 <li>
 Good understanding of OOP, Design Patterns, Clean Code concepts
 </li>
 <li>
 Good understanding of fundamental design principles for a scalable application
 </li>
 <li>
 Experience with both relational and non relational databases
 </li>
 <li>
 Experience designing and implementing CI/CD pipelines
 </li>
 <li>
 Experience in applying AI to real world problems
 </li>
 <li>
 Experience in python and python virtual environments
 </li>
 <li>
 Experience in deploying deep learning models on cloud platforms in a scalable way
 </li>
 <li>
 Understanding basic concepts about deep learning, computer vision, large language models
 </li>
 <li>
 Strong analytical and time management skills
 </li>
 <li>
 Experience with working in an agile environment
 </li>
 </ul>
 
 &nbsp;
 
 
 
 Your responsibilities will be:
 
 
 
 
 
 <ul>
 <li>
 Developing backend services for our mobile apps from the ground up
 </li>
 <li>
 Refine, and tune integrations between applications
 </li>
 <li>
 Bring new technology and ideas to the table
 </li>
 <li>
 Influence cross-team initiatives and mentor mind and junior backend engineers
 </li>
 <li>
 Participate in planning meetings, estimate tasks, do code reviews, and code in pairs
 </li>
 <li>
 Deploy, optimize and scale deep learning models
 </li>
 </ul>
 
 &nbsp;
 
 
 
 What we offer:
 
 
 
 
 
 <ul>
 <li>
 Opportunity to make an impact on millions of global users' life and the future of mobile
 </li>
 <li>
 Chance to be a part of a passionate and driven team where everyone&rsquo;s ideas are valued
 </li>
 <li>
 Working in an environment with a Silicon Valley startup culture and benefits
 </li>
 <li>
 A hybrid work environment with 3 days a week at the Istanbul&amp;Ankara office
 </li>
 <li>
 14 days of paid vacation that starts from the first year of joining the team
 </li>
 <li>
 Quarterly profit sharing based on performance
 </li>
 <li>
 Ability to own a stock option after the first year
 </li>
 <li>
 Private health insurance package
 </li>
 <li>
 Reimbursement package for any education, course, etc.
 </li>
 <li>
 Reimbursement package for your sports activities
 </li>
 <li>
 A Macbook, iPhone, magic mouse, magic keyboard, and any other hardware that you need to deliver your best work.
 </li>
 </ul>
 
 &nbsp;
 
 
 
 Let's shape the future of mobile together!
 
 
 
 
 
</div>

Backend Developer

Sürat Kargo

<div>
 
 
 Qualifications &amp; Skills
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, or a related technical field
 </li>
 <li>
 Minimum 5 years of hands-on experience in backend software development
 </li>
 <li>
 Strong expertise in .NET Core, C#, Web API, and Entity Framework Core
 </li>
 <li>
 Solid understanding and practical experience with Clean Architecture and Domain Driven Design (DDD) principles
 </li>
 <li>
 Proven experience in designing scalable, high-performance, and maintainable backend systems
 </li>
 <li>
 Strong proficiency in MS SQL (required); experience with PostgreSQL and/or MongoDB is a plus
 </li>
 <li>
 Hands-on experience with Elasticsearch, including indexing, search optimization, and performance tuning
 </li>
 <li>
 Experience working with Redis and other distributed systems concepts (caching strategies, pub/sub, data consistency)
 </li>
 <li>
 Good knowledge of microservices architecture and RESTful API design
 </li>
 <li>
 Experience with cloud platforms such as Azure and/or AWS is an advantage
 </li>
 <li>
 Proficient in Git-based version control systems (Git, GitHub, GitLab)
 </li>
 <li>
 Basic knowledge of React or Angular is a plus
 </li>
 <li>
 Strong analytical thinking, problem-solving, and architectural decision-making skills
 </li>
 <li>
 Excellent communication skills and ability to collaborate effectively within a team
 </li>
 <li>
 Proactive, ownership-driven, and results-oriented mindset
 </li>
 <li>
 Fluent in English, capable of working with global and cross-functional teams
 </li>
 </ul>
 
 
 
 
 
 Key Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Design, develop, and maintain scalable and high-performance backend and/or frontend applications aligned with business objectives,
 </li>
 <li>
 Take ownership of end-to-end software development lifecycle &mdash; including analysis, design, implementation, testing, deployment, and maintenance,
 </li>
 <li>
 Collaborate closely with business analysts, architects, project managers, and other development teams to deliver effective and innovative solutions,
 </li>
 <li>
 Participate in architectural design and decision-making processes to ensure system scalability, performance, and maintainability,
 </li>
 <li>
 Conduct code reviews to uphold coding standards, best practices, and maintain code quality across projects,
 </li>
 <li>
 Proactively identify and resolve performance bottlenecks, technical risks, and system inefficiencies,
 </li>
 <li>
 Mentor junior developers and support their technical growth through guidance and code reviews,
 </li>
 <li>
 Engage in DevOps, CI/CD, and automation practices to enhance deployment efficiency and reliability,
 </li>
 <li>
 Stay current with emerging technologies, frameworks, and design patterns, continuously bringing innovation into the development cycle,
 </li>
 <li>
 Take ownership of assigned tasks and ensure delivery of clean, testable, and high-quality code within defined timelines.
 </li>
 </ul>
 
 
</div>

Backend Developer Specialist

ZedPay Fintech

ZedPay, finansal teknoloji alanında yenilik&ccedil;i &ccedil;&ouml;z&uuml;mler sunan lider bir şirkettir. Misyonumuz, m&uuml;şterilerimize en g&uuml;venilir, hızlı ve etkili dijital &ouml;deme hizmetlerini sunarak finansal işlemlerini kolaylaştırmaktır. Modern teknoloji ve kullanıcı odaklı hizmet anlayışımızla, dijital &ouml;deme sistemlerinde fark yaratmayı hedefliyoruz.Web Tasarımcı ve GeliştiriciGENEL NİTELİKLERŞirketimizin web geliştirme projelerinde &ccedil;alışmak &uuml;zere tecr&uuml;beli bir Web Tasarımcı ve Geliştirici arıyoruz.Bu pozisyonun g&ouml;rev ve sorumlulukları aşağıdaki gibidir:<ul><li>Mevcut web sitelerinin d&uuml;zenlenmesi ve iyileştirilmesi</li><li>HTML, CSS, PHP, Java dillerine ve &ouml;n y&uuml;z geliştirmeye hakimiyet</li><li>WordPress konusunda uzmanlık ve WordPress sitelerin y&ouml;netimi</li><li>Windows ve Linux sunucularının y&ouml;netimi</li><li>cPanel ve DirectAdmin gibi sunucu y&ouml;netim panellerine hakimiyet</li><li>Web sitelerinin g&uuml;nl&uuml;k performans takibi ve sorun giderme</li><li>Web sitelerine d&uuml;zenli i&ccedil;erik ekleme ve y&ouml;netimi</li></ul>Gereken Nitelikler ve Beceriler:<ul><li>Web tasarımı ve geliştirme konusunda yeterli deneyim</li><li>Y&uuml;ksek dikkat ve aynı anda farklı projeleri y&ouml;netebilme yeteneği</li><li>Sorun &ccedil;&ouml;zme yeteneği ve en iyi &ccedil;&ouml;z&uuml;mleri sunma becerisi</li><li>SEO prensiplerine ve web sitelerinin optimizasyonuna hakimiyet (gerekirse)</li></ul>Şirket Lokasyonu: Esenler / Tekstilkent / Koza Plaza / İstanbul ( Avrupa Yakası)İş T&uuml;r&uuml;: Tam zamanlıDeneyim:<ul><li>Yazılım Geliştirici: 3 yıl (Zorunlu)</li></ul>

Web Tasarımcı ve Geliştirici

Wide and Wise

<div>We are looking for a Frontend Developer to join our partner company!
This is a high-impact, ownership-driven position suited for experienced frontend engineers who enjoy shaping architecture, delivery processes, and the future of a product from the ground up.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul><li>
Develop and maintain cross-platform mobile applications using React Native (Expo) for both iOS and Android.</li><li>
Manage the full delivery lifecycle, including builds, testing, and publishing applications to the App Store and Google Play.</li><li>
Ensure high-quality, scalable, and maintainable frontend architecture across mobile platforms.</li><li>
Contribute to the development of a basic web back office using React.</li><li>
Collaborate closely with backend and product teams to deliver end-to-end features.</li><li>
Apply strong SDLC practices throughout development, release, and iteration cycles.</li><li>
Leverage AI-powered developer tools to improve development speed, code quality, and debugging.</li><li>
Take full ownership of frontend components from day one, with the opportunity to grow into a frontend lead role and build a team in later stages.</li></ul><h3 class="jobSectionHeader">
Qualifications</h3><ul><li>
Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field.</li><li>
Minimum 3 years of professional experience as a frontend developer.</li><li>
Strong experience with React Native, preferably with Expo.</li><li>
Hands-on experience building and publishing apps for iOS and Android from a single codebase.</li><li>
Solid understanding of the delivery lifecycle, app releases, and production environments.</li><li>
Good working knowledge of React for web applications.</li><li>
Comfortable working in early-stage, fast-moving environments with high ownership.</li><li>
Curiosity and openness toward using AI tools in frontend development workflows.</li><li>
Previous experience in early-stage startups or leading frontend initiatives is a strong plus.</li></ul></div>

Frontend Developer

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243 back end developer jobs IN Istanbul

Back-end Developer (Python) - On Site

Back-end Developer (Python) - On Site

Senior Backend Developer (Python/Django)

Backend Developer

Backend Developer Specialist

Web Tasarımcı ve Geliştirici

Frontend Developer