backend developer

software developer

frontend developer

senior frontend developer Jobs in Istanbul

senior frontend developer

senior software engineer Jobs in Istanbul

senior software engineer

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>

Back-end Developer (Python) - On Site

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

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

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)

Elit Klinik

<div>
 
 
 Biz Kimiz ?
 
 
 
 
 
 
 
 Elit Klinik'in dijital partneri olarak; sa&gbreve;l&inodot;k sekt&ouml;r&uuml;ne y&ouml;nelik projelerde g&ouml;rev alacak, TypeScript ve React ekosistemine h&acirc;kim bir Full Stack Developer ar&inodot;yoruz!
 
 
 
 
 
 
 
 Elegant, sundu&gbreve;u &ccedil;e&scedil;itli hizmetlerle Elit Klinik'in m&uuml;&scedil;terilerle bulu&scedil;mas&inodot;n&inodot; en &uuml;st d&uuml;zeye &ccedil;&inodot;karmak i&ccedil;in &ccedil;al&inodot;&scedil;maktad&inodot;r. Web Tasar&inodot;m ve Geli&scedil;tirme, Dijital Pazarlama ve Sosyal Medya, Dijital &Idot;&ccedil;erik, SEO, Tele Sat&inodot;&scedil; Dan&inodot;&scedil;manl&inodot;&gbreve;&inodot; ve M&uuml;&scedil;teri Temsilcili&gbreve;i gibi alanlarda uzmanla&scedil;m&inodot;&scedil; ekibimiz, m&uuml;&scedil;teri deneyimini &uuml;st d&uuml;zeye &ccedil;&inodot;karmak ve benzersiz bir hizmet sunmak ad&inodot;na elinden gelenin en iyisini yapmaktad&inodot;r.
 
 
 
 
 
 
 
 Neler Sunuyoruz?
 
 
 
 
 
 <ul>
 <li>
 
 Uluslararas&inodot; ekip
 
 </li>
 <li>
 
 D&uuml;z hiyerar&scedil;i &amp; h&inodot;zl&inodot; terfi
 
 </li>
 <li>
 
 Geli&scedil;im odakl&inodot;, yenilik&ccedil;i bir ortam
 
 </li>
 <li>
 
 E&gbreve;itim destekleri, ekip etkinlikleri
 
 </li>
 </ul>
 
 
 
 
 
 Aranan Nitelikler:
 
 
 
 
 
 <ul>
 <li>
 
 TypeScript kullanarak back-end servisleri (Express.js/Nest.js/Hono vb.) geli&scedil;tirme tecr&uuml;besi,
 
 </li>
 <li>
 
 React k&uuml;t&uuml;phanesini (veya React frameworklerini - Next.js/Remix/TanStack Start) kullanarak front-end uygulamalar geli&scedil;tirme tecr&uuml;besi,
 
 </li>
 <li>
 
 RESTful API'lar, MongoDB ve TSQL konusunda g&uuml;&ccedil;l&uuml; bir kavray&inodot;&scedil;,
 
 </li>
 <li>
 
 CI/CD deneyimi,
 
 </li>
 <li>
 
 Git kullan&inodot;m&inodot;,
 
 </li>
 <li>
 
 G&uuml;&ccedil;l&uuml; analitik ve problem &ccedil;&ouml;zme becerileri,
 
 </li>
 <li>
 
 Modern, temiz, okunabilir ve s&uuml;rd&uuml;r&uuml;lebilir kod kalitesi,
 
 </li>
 <li>
 
 &Idot;yi seviyede &Idot;ngilizce.
 
 </li>
 </ul>
 
 
 
 
 
 Sorumluluklar:
 
 
 
 
 
 <ul>
 <li>
 
 Belirtilen teknoloji stack&rsquo;i &uuml;zerinde temiz, s&uuml;rd&uuml;r&uuml;lebilir ve yeniden kullan&inodot;labilir kod geli&scedil;tirmek,
 
 </li>
 <li>
 
 Ekip i&ccedil;inde yaz&inodot;l&inodot;m geli&scedil;tirme standartlar&inodot;n&inodot;n belirlenmesi ve uygulanmas&inodot;na katk&inodot; sa&gbreve;lamak,
 
 </li>
 <li>
 
 &Idot;&scedil;levsel ve performansl&inodot; backend servisleri tasarlamak,
 
 </li>
 <li>
 
 Gerekti&gbreve;inde frontend taraf&inodot;nda (React/TypeScript) katk&inodot; sunmak,
 
 </li>
 <li>
 
 Tak&inodot;m &ccedil;al&inodot;&scedil;mas&inodot;na uyumlu olmak ve Jira &uuml;zerinden proje s&uuml;re&ccedil;lerini etkin &scedil;ekilde y&ouml;netmek,
 
 </li>
 <li>
 
 Kod incelemelerine aktif kat&inodot;larak kaliteyi art&inodot;rmak.
 
 </li>
 </ul>
 
 
 
 
 
 Arad&inodot;&gbreve;&inodot;m&inodot;z Nitelikler:
 
 
 
 
 
 <ul>
 <li>
 
 TypeScript
 
 
 ve
 
 
 Node.js
 
 
 ekosisteminde ileri seviye deneyim,
 
 </li>
 <li>
 
 Yukar&inodot;da belirtilen teknolojilerde uygulamal&inodot; tecr&uuml;be,
 
 </li>
 <li>
 
 &Ouml;l&ccedil;eklenebilir mimari tasarlama ve hayata ge&ccedil;irme becerisi,
 
 </li>
 <li>
 
 Agile/Scrum
 
 
 s&uuml;re&ccedil;lerine hakimiyet ve
 
 
 Jira
 
 
 deneyimi.
 
 </li>
 </ul>
 
 
 
 
 
 Lokasyon: &Idot;stanbul/Ka&gbreve;&inodot;thane (TamZamanl&inodot;/Ofis)
 
 
 
 
 Not: Full Stack/TypeScript tecr&uuml;besi olmayan adaylar&inodot;n ba&scedil;vurular&inodot; dikkate al&inodot;nmayacakt&inodot;r.
 
 
 
 
 
 
 
 &Idot;leti&scedil;im i&ccedil;in: insankaynaklari@elegantofis.com
 
 
 
 
 
</div>

Full Stack Developer

Migros One

<div>
 
 
 Who are we?
 
 
 
 Our business is technology, food and retail. We are a young team that combines all resources with technology; Our goal is to provide an excellent e-commerce service to meet your needs. In short, you can call us Migros One. 😉
 
 
 
 
 
 Today, as a team that holds the
 
 &ldquo;Great Place To Work&rdquo;
 
 certificate with the contributions of our employees we produce, learn and develop together. We rediscover our passion for our business every day and build Migros One culture together.
 
 
 
 
 
 
 Our Culture
 
 
 
 We are #ONE to create a better tomorrow for our community. Our way of working includes four core values that we strive to act:
 
 
 1. Take accountability with passion
 
 
 2. Drive innovation with curiosity
 
 
 3. Make a difference for our customers
 
 
 4. Create open communication
 
 
 
 
 
 We live these values every day and create an environment where everyone enjoys working. Our business culture based on trust, openness and innovation has been recognized with our
 
 &ldquo;Great Place To Work&rdquo;
 
 certificate!
 
 
 
 
 
 
 What Do We Do?
 
 
 
 As Migros One; We spread happiness in being the pioneer of innovation in the field of food and retail technology with our brands
 
 Migros Sanal Market, Migros Hemen, Migros Extra, Migros Yemek, Macroonline, Tazedirekt, Mion and Petimo!
 
 
 
 
 
 
 Our determination to find fast and effective solutions always keeps us one step ahead. Our team's passion and energy make their jobs enjoyable.
 
 
 
 
 
 Thanks to our people-oriented approach, we aim to create a more comfortable and practical world for everyone by using them all. We constantly strive to provide the best experience to our consumers and employees!As Migros One team, we get excited with every member of our team creating his/her own career story!
 
 
 
 
 
 If you would like to be a part of this visionary and tech-savvy e-commerce team, don&rsquo;t wait! Make your application!
 
 
 
 
 
 We are looking for
 
 Java Developer
 
 who will be on our team.
 
 
 
 
 
 
 What You'll Be Doing:
 
 
 
 
 
 <ul>
 <li>
 Contributing the software development lifecycle. (technical design, implementation, testing, deployment, and monitoring.),
 </li>
 <li>
 Identification ability of engineering bottlenecks and discussing potential solutions. (redact RFC and ADR documents.),
 </li>
 <li>
 Responsible for the quality assurance of the work we work on,
 </li>
 <li>
 Applying a product mindset to back-end systems,
 </li>
 <li>
 Regularly presenting new ideas and techniques in Brown Bag Sessions,
 </li>
 <li>
 Improving the System Design of the solution architecture on production.
 </li>
 </ul>
 
 
 
 
 
 What You'll Bring:
 
 
 
 
 
 <ul>
 <li>
 Minimum 4 years of experience as a back-end engineer,
 </li>
 <li>
 Production experience with Java 21 (11 or 17 is also fine), REST Conventions, Redis and Docker,
 </li>
 <li>
 Hands-on implementation practice of Object-Oriented Design Patterns is a must,
 </li>
 <li>
 Familiarity of security concepts and methodologies is a nice-to-have. (OAuth2, OIDC, Authorization Code Flow, etc.),
 </li>
 <li>
 Knowledge of Messaging Solutions (RabbitMQ, Apache Kafka, or similar) is required,
 </li>
 <li>
 Experience with AWS, GCP, OpenShift, Azure or similar is highly desired,
 </li>
 <li>
 Experience with Clean or Hexagonal Architecture is a nice-to-have,
 </li>
 <li>
 Domain-Driven Design is a nice-to-have. (Tactical DDD, Aggregate Design Rules, Eventual and Strong Consistency, etc.),
 </li>
 <li>
 Knowledge of Microservices Patterns is a nice-to-have. (Transactional Outbox, Data Consistency with Saga.),
 </li>
 <li>
 Unit, Integration and E2E test knowledge is a plus.
 </li>
 </ul>
</div>

Java Developer

<div>
 
 
 Who are we?
 
 
 
 Our business is technology, food and retail. We are a young team that combines all resources with technology; Our goal is to provide an excellent e-commerce service to meet your needs. In short, you can call us Migros One. 😉
 
 
 
 
 
 Today, as a team that holds the
 
 &ldquo;Great Place To Work&rdquo;
 
 certificate with the contributions of our employees we produce, learn and develop together. We rediscover our passion for our business every day and build Migros One culture together.
 
 
 
 
 
 
 Our Culture
 
 
 
 We are #ONE to create a better tomorrow for our community. Our way of working includes four core values that we strive to act:
 
 
 1. Take accountability with passion
 
 
 2. Drive innovation with curiosity
 
 
 3. Make a difference for our customers
 
 
 4. Create open communication
 
 
 
 
 
 We live these values every day and create an environment where everyone enjoys working. Our business culture based on trust, openness and innovation has been recognized with our
 
 &ldquo;Great Place To Work&rdquo;
 
 certificate!
 
 
 
 
 
 
 What Do We Do?
 
 
 
 As Migros One; We spread happiness in being the pioneer of innovation in the field of food and retail technology with our brands
 
 Migros Sanal Market, Migros Hemen, Migros Extra, Migros Yemek, Macroonline, Tazedirekt, Mion and Petimo!
 
 
 
 
 
 
 Our determination to find fast and effective solutions always keeps us one step ahead. Our team's passion and energy make their jobs enjoyable.
 
 
 
 
 
 Thanks to our people-oriented approach, we aim to create a more comfortable and practical world for everyone by using them all. We constantly strive to provide the best experience to our consumers and employees!As Migros One team, we get excited with every member of our team creating his/her own career story!
 
 
 
 
 
 If you would like to be a part of this visionary and tech-savvy e-commerce team, don&rsquo;t wait! Make your application!
 
 
 
 
 
 We are looking for
 
 Expert Java Developer
 
 who will be on our team.
 
 
 
 
 
 
 What You'll Be Doing:
 
 
 
 
 
 <ul>
 <li>
 Contributing the software development lifecycle. (technical design, implementation, testing, deployment, and monitoring.),
 </li>
 <li>
 Identification ability of engineering bottlenecks and discussing potential solutions. (redact RFC and ADR documents.),
 </li>
 <li>
 Responsible for the quality assurance of the work we work on,
 </li>
 <li>
 Applying a product mindset to back-end systems,
 </li>
 <li>
 Regularly presenting new ideas and techniques in Brown Bag Sessions,
 </li>
 <li>
 Improving the System Design of the solution architecture on production.
 </li>
 </ul>
 
 
 
 
 
 What You'll Bring:
 
 
 
 
 
 <ul>
 <li>
 Minimum 3 years of experience as a back-end engineer,
 </li>
 <li>
 Production experience with Java 21 (11 or 17 is also fine), REST Conventions, Redis and Docker,
 </li>
 <li>
 Hands-on implementation practice of Object-Oriented Design Patterns is a must,
 </li>
 <li>
 Familiarity of security concepts and methodologies is a nice-to-have. (OAuth2, OIDC, Authorization Code Flow, etc.),
 </li>
 <li>
 Knowledge of Messaging Solutions (RabbitMQ, Apache Kafka, or similar) is required,
 </li>
 <li>
 Knowledge of Microservices Patterns is a plus,
 </li>
 <li>
 Experience with AWS, GCP, OpenShift, Azure or similar is highly desired,
 </li>
 <li>
 Experience with Clean or Hexagonal Architecture is a nice-to-have,
 </li>
 <li>
 Domain-Driven Design is a nice-to-have. (Tactical DDD, Aggregate Design Rules, Eventual and Strong Consistency, etc.),
 </li>
 <li>
 Knowledge of Microservices Patterns is a nice-to-have. (Transactional Outbox, Data Consistency with Saga.),
 </li>
 <li>
 Unit, Integration and E2E test knowledge is a plus.
 </li>
 </ul>
</div>

Explore 1403+ Back end developer python on site in Istanbul this January. Find roles across top companies and apply now to boost your career.

1403 back end developer python on site jobs IN Istanbul

Back-end Developer (Python) - On Site

Mid Back End Developer

Frontend Developer

Senior Backend Developer (Python/Django)

Full Stack Developer

Java Developer

Java Developer