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software development engineer Jobs in Istanbul

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TBI BANK

<div>Join the best bank to work for in Bulgaria* 
Who we are: 
Do you want to join a well-established bank with a start-up culture? No, we&rsquo;re not joking!
We, at tbi, have been one the most profitable banks for years and we are growing at a fast pace. We&rsquo;re a bank with a long history of success that operates as a start-up and we&rsquo;re always on the lookout for new opportunities to grow our business. How do we do that? 
It's all about our people. Our team is made up of brave, passionate and caring people who don&rsquo;t just want to follow the same path &ndash; we want to transform into mobile-first, state-of-the-art lifestyle ecosystem. Our colleagues love working here &ndash; 80% of them would recommend tbi as an employer to their friends and family. Our people are engaged in challenging and meaningful work, inspired to grow their potential and career, encouraged to learn and empowered to take decisions. That&rsquo;s not corporate babble, it&rsquo;s what our people say. 
Do you want to play a key role in our unique success story?
If so, we're looking for a Java Developer to join our team on the journey to success! 
What You&rsquo;ll do:<ul><li>
Design and develop new features in our Java solution for in-store lending</li><li>
Develop front-end using Angular</li><li>
Exchange experience and knowledge with the rest team members</li><li>
Closely work together with your team members, consisting of other developers, mobile developers, QA and a Scrum Master</li><li>
Develop business logic and APIs for our front-end</li><li>
Develop integrations with our 3rd party solutions</li></ul> 
What you&rsquo;ll need to succeed:<ul><li>
5+ years of experience in developing web applications in Java and Spring Boot</li></ul><ul><li>
3+ years of experience in developing web applications with Angular</li><li>
Familiar with Object Oriented design principles</li><li>
Experience with Docker</li><li>
Experience in relational databases modelling using a popular database (MsSQL, MySQL, PostgreSQL, Oracle etc.)</li><li>
Experience with unit testing and CI\CD</li><li>
Good knowledge of English, level B2+</li><li>
Knowledge and experience with Webflux, r2dbc, Thymeleaf are a plus</li></ul>
What we offer:<ul><li>
Seize the opportunity to grow your career</li><li>
Engage in exciting and meaningful work</li><li>
Get recognition for your work and attitude</li><li>
Become part of a large, friendly and supportive team with 16+ nationalities</li><li>
Get additional private health insurance</li><li>
Receive special prices for multisport card and multiple retailers</li><li>
Obtain preferential prices for our banking products</li><li>
Enjoy a great location in Sofia&rsquo;s city centre near National Palace of Culture and South Park</li><li>
Bring your furry bestie: Let's make work pawsome</li></ul> 
Visit our Career Page to learn more about what makes us different.
If this sounds like something you&rsquo;d be interested in, we'd love to hear from you!
To apply for this position, please send us your CV in English. 
We'd love to get back to everyone, but due to the number of applications we receive, we can only contact the shortlisted candidates.<ul><li>We are ranked the top bank and top 3 employer to work for in Bulgaria according to Kaderabotim official 2025 employer rankings</li></ul> 
All applications are treated with utmost confidentiality.
By submitting your job application to tbi bank, you confirm that you have read the document named &ldquo;Information related to personal data processing for job applicants&rdquo; publicly available on tbi Career page.</div>

Java 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
 
 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>

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>

<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 (Search)
 
 who will be on our team.
 
 
 
 
 
 
 
 
 
 What will we expect from you?
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, or related fields
 </li>
 <li>
 Minimum 2 years of professional experience as a backend engineer
 </li>
 <li>
 Preferably has backend development experience in e-commerce, retail, finance, or companies developing high-traffic digital products
 </li>
 <li>
 Strong analytical thinking, problem-solving, and root-cause analysis skills
 </li>
 <li>
 Follows new technologies and eager for continuous improvement
 </li>
 <li>
 Proficiency in Elasticsearch or similar search engines, including:
 </li>
 </ul>
 
 -Data model design (index/mapping)
 
 
 -Query modeling and relevance optimization (boosting, scoring, query DSL, function score, etc.)
 
 <ul>
 <li>
 Knowledge of relational databases (PostgreSQL, MySQL, etc.) and fundamental SQL
 </li>
 <li>
 Proficiency in Git version control, branching strategies, and code review processes
 </li>
 <li>
 Familiarity with basic CI/CD concepts
 </li>
 <li>
 Experience with messaging systems (Kafka, RabbitMQ, etc.)
 </li>
 </ul>
 
 
 
 
 
 What will you do?
 
 
 
 
 
 <ul>
 <li>
 Developing, improving, and maintaining the company&rsquo;s search infrastructure (Elasticsearch)
 </li>
 <li>
 Building Java/Spring Boot&ndash;based microservices for various search scenarios such as product search, category search, autocomplete, etc.
 </li>
 <li>
 Proposing and implementing improvement ideas by considering search quality metrics (conversion, click-through rates, relevance, etc.)
 </li>
 <li>
 Conducting requirement analysis with business units, product teams, and data teams for new search features
 </li>
 <li>
 Monitoring search performance (response time, resource usage, cluster health) and performing necessary optimizations
 </li>
 </ul>
</div>

Java Developer (Search)

<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>

<div><div><div><div><div><div><h1 class="jobSectionHeader">Control Systems Simulation and Calibration Engineer</h1> 
YOUR RESPONSIBILITIES: 

<ul><li>For a better future and for the sake of our nature, optimize vehicle and powertrain control systems parameters to improve safety, emissions &amp; fuel economy along with the joy of performance and drivability.</li>
<li>Use your creativity to develop new Smart Calibration processes and tools.</li>
<li>Develop simulation platforms and methodologies for future technologies (electrification, H2 solutions, ADAS, fuel cell vehicles, etc)</li>
<li>Reflect your system and domain knowledge with KPI and requirement generation along with test case development and analysis</li>
<li>Travel the world for environmental tests in different and exciting locations (e.g. USA, Italy, Finland, Spain)</li>
<li>Work with AVL Global experts to keep up with latest technologies and industry trends.</li></ul> 


YOUR PROFILE: 

<ul><li>BSc/MSc/PhD or equivalent engineering degree in electric/electronic, controls, mechatronics, automotive, mechanical engineering or related technical field is preferred</li>
<li>Minimum 2 years of professional experience in R&amp;D and product development projects</li>
<li>Good understanding in one or more of the following areas: electrified &amp; hybrid powertrain technologies, ADAS/AD, transmissions, engine and aftertreatment systems</li>
<li>Experience in in one or more of the following areas: Controller / Algorithm Design and Implementation, Optimization Methodologies, System Dynamics, Modeling, Data acquisition and Post-processing with Matlab/Simulink</li>
<li>Experience in Automotive Diagnostics and Network Communication platforms like CAN, LIN, Ethernet, etc</li>
<li>Having programming experience in any language (C#, Java, Phyton etc) is a plus</li>
<li>Fluent speaking and excellent writing skills in English (German, French or Italian would be a plus)</li></ul> 


Interested? 
If so, please use our online application tool to send your application to AVL!
</div></div></div></div><div><div><h2 class="jobSectionHeader">About AVL</h2>
AVL is one of the world&rsquo;s leading mobility technology companies for development, simulation and testing in the automotive industry, and beyond. We provide concepts, solutions and methodologies in fields like vehicle development and integration, e-mobility, automated and connected mobility (ADAS/AD), and software for a greener, safer, better world of mobility.
Find out more: www.avl.com
</div></div><div><div><h2 class="jobSectionHeader">You are interested in a job at AVL but you are not sure how to apply or want to know what happens after you send your application?</h2>
Check out our step-by-step guide
</div></div><div><div><h2 class="jobSectionHeader">AVL is not just about cars. It's about changing the future. Together.</h2>
</div></div></div><div><div><div><div><div>Location:
Istanbul, TR
</div></div></div></div><div><div><div><div>Company: AVL Research &amp; Engineering
</div></div></div></div><div><div><div><div>Job Function: Calibration
</div></div></div></div><div><div><div><div>Contract Type: Permanent
</div></div></div></div><div><div><div><div>Posting Date: Dec 23, 2025
</div></div></div></div><div><div><div><div>Job ID: 38828
</div></div></div></div><div><div><h2 class="jobSectionHeader">About AVL</h2>
AVL is one of the world&rsquo;s leading mobility technology companies for development, simulation and testing in the automotive industry, and beyond. We provide concepts, solutions and methodologies in fields like vehicle development and integration, e-mobility, automated and connected mobility (ADAS/AD), and software for a greener, safer, better world of mobility.
Find out more: www.avl.com 
</div></div></div> 
Job Segment: Mechanical Engineer, Controls Engineer, Developer, Java, Engineering, Automotive, Technology</div>

Control Systems Simulation and Calibration Engineer

Oredata Yazılım Anonim Şirketi

<div>OREDATA is a Digital Transformation &amp; IT Consulting firm with 10+ years of proven expertise and hundreds of successfully implemented projects across the EMEA region. When you join the OREDATA team, you'll be working hand-in-hand with experts focused on tackling digital, operational, analytical &amp; data science challenges with the greatest impact. We foster collaboration with proximity, an agile and autonomous approach and best practices and guiding principles.
Read more: https://medium.com/@oredata-engineering
Apply and be part of our exciting journey!
Key Responsibilities<ul>
<li>
Creating and designing the user interface of web applications to ensure a pleasant and intuitive user experience.</li>
<li>Implementing web pages using technologies with HTML, CSS, JavaScript, NextJS and React.</li>
<li>Building the server-side components of an application, including APIs, application logic, and server infrastructure.</li>
<li>Writing back-end code in Java and NodeJS.</li>
<li>Designing and managing databases to store and retrieve data efficiently. Common database technologies include MySQL, PostgreSQL and more.</li>
<li>Writing and executing unit tests, integration tests, and end-to-end tests to ensure the reliability and security of the application.</li>
<li>Continuously monitoring and optimizing the application's performance, scalability, and efficiency.</li>
<li>Stay up-to-date with emerging technologies and best practices in full-stack development.</li>
</ul>
Requirements<ul>
<li>
Bachelor's degree in Computer Science or a related field.</li>
<li>A minimum of 4+ years of overall experience in software development.</li>
<li>Proven experience as a Full Stack Engineer or similar role.</li>
<li>Proficiency in HTML, CSS, and JavaScript.</li>
<li>Minimum 1 year of experience with React, NextJS.</li>
<li>Minimum 2 years of experience with NodeJS.
</li><li>Minimum 3 years of experience with Java &amp; Spring Boot.</li>
<li>Strong back-end development and programming skills, using Java.</li>
<li>Database experience with MySQL, PostgreSQL or equivalent.</li>
<li>Familiarity with version control systems, especially Git.</li>
<li>Excellent problem-solving skills and attention to detail.</li>
<li>Ability to work both independently and as part of a collaborative team.</li>
<li>Strong communication skills and a passion for learning and adapting to new technologies.</li></ul></div>

Full Stack Engineer

Explore 429+ Java application developer in Istanbul this January. Find roles across top companies and apply now to boost your career.

429 java application developer jobs IN Istanbul

Java Developer

Java Developer

Java Developer

Java Developer (Search)

Java Developer

Control Systems Simulation and Calibration Engineer

Full Stack Engineer