backend developer

software engineer

software developer

.net developer

full stack developer

java developer

ColendiBank

<div>
 
 
 About Us
 
 
 
 ColendiBank is T&uuml;rkiye's first AI-powered digital native universal deposit bank, pioneering the integration of advanced technology with accessible financial services. Officially launched in 2024 following the acquisition of a coveted digital banking license, the bank caters to individuals and SMEs with a focus on micro credit and innovative deposit services. As a fully digital institution, ColendiBank leverages a cutting-edge, scalable core banking platform to deliver seamless, secure, and user-friendly experiences. Its commitment to innovation positions it as a leader in redefining digital banking in T&uuml;rkiye.
 
 
 
 
 
 
 Job Description
 
 
 
 We are seeking
 
 Java Developers
 
 who will be responsible for designing, developing, and maintaining robust and scalable backend systems that support ColendiBank&rsquo;s digital banking platforms. This role will contribute to the delivery of reliable, high-quality software solutions while helping to shape the technical foundation and engineering of T&uuml;rkiye&rsquo;s AI first digital-native deposit bank.
 
 
 
 
 
 
 Key Responsibilities
 
 
 <ul>
 <li>
 Develop and maintain end-to-end software solutions across a wide range of projects, from design and implementation to integration and delivery.
 </li>
 <li>
 Influence backend architecture by defining technology stack choices, improving development workflows, and promoting clean code principles and engineering standards.
 </li>
 <li>
 Establish and uphold non-functional requirements such as performance, scalability, and reliability to ensure production-grade software quality.
 </li>
 <li>
 Continuously enhance and refactor existing systems to support new business requirements, user expectations, and emerging technologies.
 </li>
 <li>
 Design and develop RESTful APIs that follow modern development practices and ensure seamless integration with other systems and platforms.
 </li>
 <li>
 Write clean, modular, and maintainable code with a strong focus on testability and long-term scalability.
 </li>
 </ul>
 
 
 
 
 
 What We&rsquo;re Looking For
 
 
 <ul>
 <li>
 Bachelor's degree in Computer Engineering, Computer Science or IT-related fields.
 </li>
 <li>
 Minimum 5 years of professional experience as a developer within the banking sector.
 </li>
 <li>
 Strong hands-on experience in Java development, with a solid understanding of software architecture.
 </li>
 <li>
 Proven track record of building and supporting complex applications at scale in production environments.
 </li>
 <li>
 Deep knowledge of Object-Oriented Programming and modern Java frameworks.
 </li>
 <li>
 Advanced proficiency with Spring and Spring Boot.
 </li>
 <li>
 Demonstrated experience in building high-performance, multi-threaded Java applications with the ability to balance synchronous and asynchronous processing.
 </li>
 <li>
 Practical experience working with relational databases, especially PostgreSQL, and NoSQL databases such as Couchbase and MongoDB, as well as ORM tools.
 </li>
 <li>
 Familiarity with version control and CI/CD tools, including Git, Maven, and Jenkins.
 </li>
 <li>
 Proven ability to solve complex, real-world technical problems.
 </li>
 <li>
 Cloud experience is a strong advantage.
 </li>
 <li>
 Bonus if you have experience developing backend services that support web or mobile frontends.
 </li>
 </ul>
 
 
 
 
 
 Join Us
 
 
 
 At ColendiBank, you&rsquo;ll play a key role in redefining the retail banking experience. We offer opportunities for professional growth in a collaborative, inclusive environment, contributing to a pioneering journey in the digital banking landscape.
 
 
 
 
 
 Become a core part of our journey. Join ColendiBank as we build the future of digital banking.
 
 
 
 
 
 
 ColendiBank is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
 
 
</div>

Java Developer

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)

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
 
 Mid -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>
 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 (Expert)

<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
 
 Junior -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 1 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>

Java Developer (Associate)

Partnerra HR

Senior Java DeveloperDan&#305;&#351;manl&#305;&#287;&#305;n&#305; y&uuml;r&uuml;tt&uuml;&#287;&uuml;m&uuml;z, sekt&ouml;r lideri ve kurumsal i&#351; orta&#287;&#305;m&#305;z i&ccedil;in &ldquo;K&#305;demli Java Yaz&#305;l&#305;m M&uuml;hendisi&rdquo; ar&#305;yoruz. Geli&#351;tirdi&#287;i yenilik&ccedil;i &ccedil;&ouml;z&uuml;mlerle sekt&ouml;r&uuml;nde fark yaratan bu kurumsal yap&#305;, teknolojiye y&ouml;n veren g&uuml;&ccedil;l&uuml; m&uuml;hendislik ekibine yeni bir tak&#305;m arkada&#351;&#305; katmak istiyor.<ul><li>SorumluluklarJava tabanl&#305;, &ouml;l&ccedil;eklenebilir ve y&uuml;ksek performansl&#305; finansal uygulamalar&#305;n geli&#351;tirilmesi</li><li>&#304;&#351; birimleriyle yak&#305;n &ccedil;al&#305;&#351;arak yaz&#305;l&#305;m &ccedil;&ouml;z&uuml;mlerinin tasarlanmas&#305; ve hayata ge&ccedil;irilmesi</li><li>Mikroservis mimarisine uygun sistemlerin tasar&#305;m&#305; ve iyile&#351;tirilmesi</li><li>Kod kalitesi, performans ve g&uuml;venilirlik konular&#305;nda s&uuml;rekli iyile&#351;tirme sa&#287;lamak</li><li>Yaz&#305;l&#305;m geli&#351;tirme ya&#351;am d&ouml;ng&uuml;s&uuml;nde (SDLC) aktif rol almak</li><li>Ekip i&ccedil;i i&#351; birli&#287;i ve s&uuml;rekli geli&#351;im k&uuml;lt&uuml;r&uuml;ne katk&#305;da bulunmak</li><li>Aranan Nitelikler&Uuml;niversitelerin Bilgisayar M&uuml;hendisli&#287;i, Yaz&#305;l&#305;m M&uuml;hendisli&#287;i veya ilgili m&uuml;hendislik b&ouml;l&uuml;mlerinden mezun</li><li>Java ve J2EE teknolojileriyle yaz&#305;l&#305;m geli&#351;tirme alan&#305;nda en az 5 y&#305;ll&#305;k deneyim</li><li>Java, Spring, Spring Boot, Spring Security, Spring Cloud konular&#305;nda uzmanl&#305;k</li><li>Mikroservis mimarisi, Docker, Kubernetes/OpenShift deneyimi</li><li>PostgreSQL ve NoSQL veritabanlar&#305; hakk&#305;nda bilgi</li><li>Kafka ve/veya RabbitMQ gibi mesajla&#351;ma sistemleriyle &ccedil;al&#305;&#351;ma tecr&uuml;besi</li><li>Problem &ccedil;&ouml;zme becerisi g&uuml;&ccedil;l&uuml;, analitik d&uuml;&#351;&uuml;nebilen ve detaylara &ouml;nem veren</li><li>Tak&#305;m &ccedil;al&#305;&#351;mas&#305;na yatk&#305;n, h&#305;zl&#305; tempolu yap&#305;larda &ccedil;&ouml;z&uuml;m odakl&#305; &ccedil;al&#305;&#351;abilen</li><li>&#304;yi d&uuml;zeyde &#304;ngilizce ileti&#351;im becerisi</li></ul>&#304;&#351; T&uuml;r&uuml;: Tam zamanl&#305;

Senior Java Developer Contractor

Gini Talent

<div>
 
 
 Senior Android Developer
 
 
 
 Hibrit &ndash; Haftada 2 g&uuml;n &Uuml;mraniye ofis
 
 
 
 
 
 
 Gini Talent Hakk&inodot;nda;
 
 
 
 Gini Talent, 2019 y&inodot;l&inodot;nda &Idot;stanbul&rsquo;da kurulmu&scedil;, h&inodot;zl&inodot; b&uuml;y&uuml;yen ve teknoloji odakl&inodot; bir i&scedil;e al&inodot;m ve yetenek y&ouml;netimi firmas&inodot;d&inodot;r. IT, pazarlama, yarat&inodot;c&inodot; roller ve finans alanlar&inodot;nda s&ouml;zle&scedil;meli, ge&ccedil;ici ve kal&inodot;c&inodot; i&scedil;e al&inodot;m &ccedil;&ouml;z&uuml;mleri sunuyoruz. &Idot;stanbul, Londra, New Jersey ve Dubai ofislerimiz arac&inodot;l&inodot;&gbreve;&inodot;yla 14&rsquo;ten fazla &uuml;lkede m&uuml;&scedil;terilerimize hizmet veriyoruz. ISO 9001 kalite sertifikas&inodot;na sahip olan Gini Talent, d&uuml;nyada &ouml;nde gelen 10 i&scedil;e al&inodot;m firmas&inodot; aras&inodot;nda yer almaktad&inodot;r.
 
 
 
 
 
 
 Rol Hakk&inodot;nda;
 
 
 
 Bankac&inodot;l&inodot;k sekt&ouml;r&uuml;nde y&uuml;r&uuml;t&uuml;len d&ouml;n&uuml;&scedil;&uuml;m projesinde g&ouml;rev alacak Senior Android Developer ar&inodot;yoruz. Bu pozisyon, modern mobil uygulama geli&scedil;tirme alan&inodot;nda uzmanla&scedil;m&inodot;&scedil;, Kotlin/Java konusunda g&uuml;&ccedil;l&uuml; deneyime sahip ve &ouml;l&ccedil;eklenebilir &ccedil;&ouml;z&uuml;mler geli&scedil;tirebilecek profesyoneller i&ccedil;in uygundur.
 
 
 
 
 
 
 Sorumluluklar
 
 
 <ul>
 <li>
 Kotlin ve Java kullanarak y&uuml;ksek kaliteli Android uygulamalar&inodot; geli&scedil;tirmek ve s&uuml;rd&uuml;rmek
 </li>
 <li>
 Clean Architecture ve modern mimari yakla&scedil;&inodot;mlar&inodot; (MVVM, MVP) etkin &scedil;ekilde uygulamak
 </li>
 <li>
 Android SDK&rsquo;lar&inodot; ve k&uuml;t&uuml;phanelerinden etkin &scedil;ekilde yararlanmak
 </li>
 <li>
 RESTful API entegrasyonlar&inodot; ger&ccedil;ekle&scedil;tirmek
 </li>
 <li>
 CI/CD s&uuml;re&ccedil;lerinde ve versiyon kontrol sistemlerinde (Git) aktif rol almak
 </li>
 <li>
 Mevcut projelerde refactoring &ccedil;al&inodot;&scedil;malar&inodot; ile kaliteyi art&inodot;rmak
 </li>
 <li>
 Agile metodolojilerle ekip i&ccedil;inde i&scedil; birli&gbreve;i yapmak
 </li>
 </ul>
 
 
 
 
 
 Gereksinimler;
 
 
 <ul>
 <li>
 Bilgisayar M&uuml;hendisli&gbreve;i veya ilgili alanlarda lisans/y&uuml;ksek lisans mezunu
 </li>
 <li>
 En az 6 y&inodot;l Android ve Kotlin geli&scedil;tirme deneyimi
 </li>
 <li>
 Java konusunda ileri seviye bilgi
 </li>
 <li>
 Clean Architecture konusunda g&uuml;&ccedil;l&uuml; bilgi
 </li>
 <li>
 Modern mimari desenler (MVVM, MVP) konusunda uzmanl&inodot;k
 </li>
 <li>
 Android SDK ve k&uuml;t&uuml;phanelerini etkin kullanma yetkinli&gbreve;i
 </li>
 </ul>
 
 
 
 
 
 Tercihen;
 
 
 <ul>
 <li>
 Bankac&inodot;l&inodot;k sekt&ouml;r&uuml;nde tecr&uuml;be
 </li>
 <li>
 RESTful API entegrasyon deneyimi
 </li>
 <li>
 Yaz&inodot;l&inodot;m geli&scedil;tirme prensipleri (SOLID, DRY vb.) hakk&inodot;nda bilgi
 </li>
 <li>
 Legacy projelerde refactoring tecr&uuml;besi
 </li>
 <li>
 CI/CD s&uuml;re&ccedil;leri ile &ccedil;al&inodot;&scedil;ma deneyimi
 </li>
 <li>
 Versiyon kontrol sistemleri (Git) tecr&uuml;besi
 </li>
 <li>
 Agile metodolojiler hakk&inodot;nda bilgi
 </li>
 </ul>
</div>

Android Developer

İnomera

<div>
 
 We are seeking
 
 Software Development Engineers (Java)
 
 with experience building high-performing, scalable, enterprise-grade applications.
 
 
 
 
 
 
 
 
 &middot; Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
 
 
 &middot; Contributing to all phases of the development lifecycle
 
 
 &middot; Writing well-designed, testable, efficient code
 
 
 &middot; Working with the latest technologies
 
 
 &middot; Fostering collective code ownership through Pair Programming, Peer Review, and rewrite/refactor approach
 
 
 &middot; Active participation in a self-governing Agile team.
 
 
 
 
 
 
 
 
 
 
 Responsibilities
 
 
 
 
 
 
 &middot; Java Developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
 
 
 &middot; Contribute to all phases of the development lifecycle
 
 
 &middot; Write well-designed, testable, efficient code.
 
 
 
 
 
 
 
 
 
 
 Requirements
 
 
 
 
 
 
 &middot; BS/MS degree in Computer Science, Engineering, or a related subject
 
 
 &middot; Proven hands-on Software Development experience
 
 
 &middot; Proven working experience in Java development
 
 
 &middot; Experience in the Spring Framework (preferred Boot)
 
 
 &middot; Hands experience in designing and developing applications using Java EE platforms
 
 
 &middot; Object Oriented analysis and design using common design patterns.
 
 
 
 
 
 
 
 
 
 Experience in:
 
 
 
 
 
 
 &middot; Relational Databases (Oracle), SQL, and ORM technologies (JPA2)
 
 
 &middot; SCM(Git)
 
 
 &middot; Microservice Architecture (nice to have)
 
 
 &middot; Docker, Kubernetes or Openshift
 
 
 &middot; Experience with Test-driven development (JUnit, Mockito, Spring Boot Test frameworks)
 
 
 &middot; +5 years experience (Java, Spring)
 
 
 
 
 
 
 
 
 
 Tech Stack
 
 
 
 
 
 <ul>
 <li>
 Java 24/21/17/11/8, Spring Boot, Hazelcast, Docker, Oracle, MySQL, Mongo DB, Apache Kafka, Kubernetes, Openshift, etc.
 </li>
 </ul>
 
 
</div>

Senior Java Software Engineer

Explore 85+ Java developer in Istanbul this September. Find roles across top companies and apply now to boost your career.