junior software developer

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

Talan

<div>
 
 
 Talan &ndash; Positive Innovation
 
 
 
 Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of &euro;850M, we are committed to delivering impactful, future-ready solutions.
 
 
 
 Talan at a Glance
 
 
 
 Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we&rsquo;ve built a strong presence in the IT and consulting landscape, and we&rsquo;re on track to reach &euro;1 billion in revenue this year.
 
 
 
 Our Core Areas of Expertise
 
 
 
 
 <ul>
 <li>
 
 Data &amp; Technologies:
 
 We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.
 
 
 
 </li>
 <li>
 
 
 Cloud &amp; Application Services:
 
 We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.
 
 
 
 </li>
 <li>
 
 
 Management &amp; Innovation Consulting:
 
 We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.
 
 
 
 
 
 
 </li>
 </ul>
 
 We work with major global clients across diverse sectors, including Transport &amp; Logistics, Financial Services, Energy &amp; Utilities, Retail, and Media &amp; Telecommunications.
 
 
 
 
 Job Description
 
 
 
 
 As a
 
 Backend Spark developer
 
 , your mission will be to develop, test and deploy the technical and functional specifications from the Solution Designers / Business Architects / Business Analysts, guaranteeing the correct operability and the compliance with the internal quality levels.
 
 
 We need somebody like you to help us in different fronts:
 
 
 
 <ul>
 <li>
 You will develop end-to-end ETL processes with Spark/Scala. This includes transferring data from/to the data lake, technical validations, business logic, etc.
 </li>
 <li>
 You will use Scrum methodology, and be part of a high performance team
 </li>
 <li>
 You will document your solutions in the tools: JIRA, Confluence, ALM
 </li>
 <li>
 You will certify your delivery and its integration with other components, designing and performing the relevant test to ensure the quality of your team delivery
 </li>
 <li>
 You will work side by side with a technical specialist who will help you to improve the architecture and technical implementation of the solution in place
 </li>
 <li>
 You will collaborate with cross-functional and cross-country teams to integrate data from various sources
 </li>
 <li>
 You will develop and maintain data hub and data pipelines in microservices architecture
 </li>
 <li>
 You will collaborate with other developers to maintain and improve CI/CD pipelines
 
 
 
 </li>
 </ul>
 
 
 
 WHAT WE ARE LOOKING FOR
 
 
 
 
 <ul>
 <li>
 Bachelor's degree in Computer Science or a related field.
 </li>
 <li>
 1+ years of experience in data/software engineering (preferable in banking)
 </li>
 <li>
 Experience with Integration Solutions (using API and Microservices)
 </li>
 <li>
 Programming backend applications with BigData technologies(
 
 Apache Spark
 
 )
 </li>
 <li>
 Agile approach for software development
 </li>
 <li>
 Continuous Integration (Git, GitHub)
 </li>
 <li>
 Knowledge of SQL databases
 </li>
 <li>
 English (at least B2+)
 
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 
 
 Preferred qualifications
 
 
 
 
 <ul>
 <li>
 Git hub actions
 </li>
 <li>
 Scala or Python
 </li>
 <li>
 Bash scripting
 </li>
 <li>
 ControlM, AirFlow
 </li>
 <li>
 Software development life cycle (HP ALM,..)
 </li>
 <li>
 Basics of cybersecurity &amp; Quality (sonar&hellip;)
 </li>
 <li>
 Basics of Cloud computing (Docker, Kubernetes, S3, Azure, AWS, EMR, DataBricks)
 </li>
 <li>
 SOA Architecture
 
 
 
 </li>
 </ul>
 
 Additional Information
 
 
 
 
 What do we offer you?
 
 
 
 
 <ul>
 <li>
 Full-time contract.
 </li>
 <li>
 Smart Office Pack so that you can work comfortably from home.
 </li>
 <li>
 Training and career development.
 </li>
 <li>
 Benefits and perks such as
 
 private medical insurance
 
 , life insurance.
 </li>
 <li>
 Possibility to be part of a multicultural team and work on international projects.
 </li>
 <li>
 
 This is a hybrid position based in Warsaw, Poland. Relocation is mandatory.
 
 </li>
 <li>
 Possibility to manage work-permits.
 
 
 
 </li>
 </ul>
 
 If you are passionate about development &amp; tech, we want to meet you!
 
 
 
 
 
 Talan Spain&rsquo;s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company&rsquo;s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).
 
 
 
</div>

Junior Data Engineer  (Relocation to Poland)

Siemens

<div><div><div><div><div><div>Job ID
</div><div>489982
</div></div><div><div>Posted since
</div><div>24-Dec-2025
</div></div><div><div>Organization
</div><div>Foundational Technologies
</div></div><div><div>Field of work
</div><div>Internal Services
</div></div><div><div>Company
</div><div>Siemens Sanayi ve Ticaret Anonim Sirketi
</div></div><div><div>Experience level
</div><div>Student (Not Yet Graduated)
</div></div><div><div>Job type
</div><div>Part-time
</div></div><div><div>Work mode
</div><div>Hybrid (Remote/Office)
</div></div><div><div>Employment type
</div><div>Fixed Term
</div></div><div><div>Location(s)
</div><div><ul><li>Istanbul - Istanbul - Tuerkiye
</li></ul></div></div></div></div></div><div></div><div><div><div><div><div>About the Program;
Our program is designed to complement the studies, helping the students gain valuable skills and experience within Siemens, build up a network by working at challenging software development projects and sharing thoughts and ideas among each other and with Siemens employees.
During the whole time a mentor will guide the student through the program, offering advice, feedback and support, to give our students the best start in the industry.
During the program participants will be challenged with:
 Designing, developing, and testing software for Siemenss products and platforms dedicated for industrial automation, industrial IoT, cloud and edge computing solutions.
 Working in a multi-site, multi-national and contemporary software development environment
 Producing high quality project deliverables
 Conforming to Siemens processes, quality standards, and guidelines
To apply for the Program, you need to;
 3rd year undergraduate student in related area.
 Willing to follow software engineering and/or test automation engineering career path.
 Good command of English.
 Minimum 2,5 days/week availability is expected (partly remote working).
 Eager to learn Industrial Automation domain know-how.
 Hands-on programming skills and knowledge in one of the programming languages (C++, Python, Node.js, React) is a must .
 Knowledge of source control tools (e.g. Git, etc) is a plus.
 Studied on signal processing topic is a big plus.
What we offer:
We offer a completely new form of learning, letting the students build solutions to real problems and develop a deep insight into a career with us.
 You will start an international career by being responsible for designing, coding, testing, documenting, and supporting our software products.
 You will learn key skills like teamwork and project development as they work in global project teams  making valuable friends and contacts in the process.
 You will get advice and guidance from mentors with a mix of on-site events, virtual training modules and guided reflection sessions.
 You will actively gain experience in agile working environment while being empowered by agile trainings.
Application Process:
 Online Application
 Screening &amp; Assessments:
Stage 1) If you are among the candidates selected for the next phase, youll be invited to video interview.
Stage 2) Technical Interview: Based on your qualifications, youll be invited to technical interview where you will meet people from different projects.
Stage 3) P&amp;O Interview: Based on our technical managers evaluations, you will be invited to meet our People and Organization Team for competency-based Interview.
 Selection:
If youre selected, you will be informed and offered a part-time position contract. 
Individual benefits are adapted to meet local legal regulations, the requirements of different job profiles, locations, and individual preferences. 
At Siemens we are always challenging ourselves to build a better future. We need the most innovative and diverse Digital Minds to develop tomorrow &lsquo;s reality.
As Siemens we believe physical barriers are not related to potential. Only the potential matters to us. Therefore, we look forward to receiving applications from candidates with physical barriers and chronic illnesses. We support healthy relationships between candidates with barriers and their colleagues because we believe we can create differences together.
Siemens is dedicated to quality, equality, and valuating diversity and we welcome applications that reflect the diversity of the communities within which we work.
We are looking forward to receiving your online application. Please ensure you complete all areas of the application form to the best of your ability as we will use the data to review your suitability for the role.
Please find more information from our web site:
https://new.siemens.com/tr/tr.html 
#LI-HYBRID</div></div></div></div></div></div><div></div>

Part-time Working Student (Software Development Engineer)

Amaris Consulting

Job description
 
We are looking for a Senior Java Developer to join our technology team and contribute to building scalable, high-quality software solutions. You will collaborate with cross-functional teams and play a key role in delivering impactful products throughout the development lifecycle.
 
Key Responsibilities: 
Design, develop, and maintain scalable and high-quality software solutions
 
Take full ownership of projects and drive them end to end
 
Collaborate with cross-functional teams including product, QA, and design
 
Mentor junior developers and contribute to technical decision-making
 
Requirements: 
Strong experience in Java and related backend technologies
 
Proven experience working on end-to-end (E2E) projects, from initial analysis to deployment and maintenance
 
Ability to own a project from A to Z, including design, development, testing, and production support
 
Solid understanding of software architecture, design patterns, and best practices
 
Experience with RESTful APIs, microservices, and database technologies
 
Familiarity with agile development methodologies
 
Nice to Have (Highly Preferred): 
Mobile application development experience (Android, iOS, or cross-platform)
 
Experience integrating backend services with mobile applications
 
Knowledge of CI/CD pipelines and cloud platforms
 
If you are a self-driven developer who enjoys taking responsibility and delivering complete solutions, we would love to hear from you.
 
Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We consider applications from all qualified individuals, regardless of gender, sexual orientation, race, ethnic origin, beliefs, age, marital status, disability, or any other characteristic.
 Special attention will be given to candidates with disabilities.
 
Who are we?
 Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1000 clients across the globe, we have been rolling out solutions in major projects for over a decade – this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines: Information System & Digital, Telecom, Life Sciences and Engineering. We’re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success.
 
At Amaris, we strive to provide our candidates with the best possible recruitment experience. We like to get to know our candidates, challenge them, and be able to give them proper feedback as quickly as possible. Here's what our recruitment process looks like:
 
Brief Call: Our process typically begins with a brief virtual/phone conversation to get to know you! The objective? Learn about you, understand your motivations, and make sure we have the right job for you!
 
Interviews (the average number of interviews is 3 - the number may vary depending on the level of seniority required for the position). During the interviews, you will meet people from our team: your line manager of course, but also other people related to your future role. We will talk in depth about you, your experience, and skills, but also about the position and what will be expected of you. Of course, you will also get to know Amaris: our culture, our roots, our teams, and your career opportunities!
 
Case study: Depending on the position, we may ask you to take a test. This could be a role play, a technical assessment, a problem-solving scenario, etc.
 
As you know, every person is different and so is every role in a company. That is why we have to adapt accordingly, and the process may differ slightly at times. However, please know that we always put ourselves in the candidate's shoes to ensure they have the best possible experience.
 We look forward to meeting you!

Senior Java Developer (Hybrid)

Intertech Information Technology and Marketing Inc.

<div>
 
 We are looking for a pioneering and innovative software developer in banking solutions &mdash; a talented, passionate, and agile-minded team player who enjoys working with data, is well-versed in reporting processes, and is comfortable working with modern full-stack technologies such as .NET Core, React.js, TypeScript, Docker, and Kubernetes.
 
 
 
 
 
 
 
 
 What We&rsquo;re Looking For
 
 
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering or related fields,
 </li>
 <li>
 Minimum 4 years of .NET development experience,
 </li>
 <li>
 Proficiency in SQL, with hands-on experience in query optimization, stored procedures, indexing strategies, and performance tuning,
 </li>
 <li>
 Experience in reporting as an SQL developer, preferably with knowledge of MSSQL, Oracle, and Spark SQL,
 </li>
 <li>
 Understanding of data warehouse concepts and technologies,
 </li>
 <li>
 Strong knowledge of Object-Oriented Programming (OOP), Design Patterns, and Unit Testing,
 </li>
 <li>
 Preferably experience with VSTO (Visual Studio Tools for Office),
 </li>
 <li>
 Preferably familiar with distributed systems, microservices architecture,
 </li>
 <li>
 Preferably experienced with .NET Core, React.js, TypeScript, RabbitMQ etc.,
 </li>
 <li>
 Preferably knowledgeable about containerization and orchestration tools such as Docker and Kubernetes.
 </li>
 </ul>
 
 
 
 
 
 
 What will you do?
 
 
 
 
 
 
 <ul>
 <li>
 Take responsibility for the technical design and coding processes of software projects,
 </li>
 <li>
 Work closely with business analysts to design, develop and maintain automated treasury platforms, interbank &amp; derivative transactions for the Treasury corporate and private bankng businesses,
 </li>
 <li>
 Carry out and manage daily operational tasks within your area of responsibility,
 </li>
 <li>
 Work in compliance with the reporting schedules and deadlines set by regulatory authorities,
 </li>
 <li>
 Contribute to the improvement of business processes and support the enhancement of continuity and quality standards.
 </li>
 </ul>
 
 
 
 
 
 
 
 Why Intertech
 
 
 
 
 
 
 
 
 
 At Intertech, we are trying to make sure that you work free of worries with the benefits we offer;
 
 
 
 
 
 
 📔 Continuous learning and development opportunities by working with experts and training facilities via Inter Academy,
 
 
 💫 Opportunity to work in international projects,
 
 
 🚀 Opportunity to work with new &amp; trend technologies,
 
 
 🕛 Flexible working hours (08:00-17:00, 09:00-18:00, 10:00-19:00),
 
 
 🎆 Recreation space: Gym, PlayStation, pinball, table tennis, basketball court, coffee shop &amp; cafe, resting rooms.
 
 
 👕 No dress code.
 
 
 🎉 Birthday Leave
 
 
 💬 Language Allowance
 
 
 🏢 5 Different Hub Offices (Bili&scedil;im Vadisi/&Idot;stanbul, Kurtk&ouml;y Teknopark/&Idot;stanbul, Bilkent CYBERPARK/Ankara, DEPARK/&Idot;zmir, Esentepe Denizbank Genel M&uuml;d&uuml;rl&uuml;k)
 
 
 
 
 
 
 
 Our technology and innovative products have been recognized by the many prestigious national and international awards since 1987. Here's a selection of our latest achievements:
 
 
 
 
 
 
 
 🥇 NGN IT Vision &ndash; The Cloud Hosting Project of the Year - 2023
 
 
 🥇 CX Awards &ndash; Best Use of Technology (Banking Sector) &ndash; 2023
 
 
 🥇 Bili&scedil;im 500 &ndash; Turkey Based Sectoral Software &ndash; (Software Cateogry &ndash; Grand Prize) -2024
 
 
 🥇 Bili&scedil;im 500 &ndash; Finance and Banking Sector &ndash; (Software Category &ndash; Grand Prize) - 2024
 
 
 🥇 Bili&scedil;im 500 &ndash; Contribution to Turkish Economy Special Award (Software Category &ndash; Grand Prize) &ndash; 2024
 
 
 
 
 
 📢
 
 
 Contact us
 
 
 
 
 
 
 <ul>
 <li>
 
 WebSite :
 
 http://www.intertech.com.tr
 </li>
 <li>
 
 LinkedIn:
 
 http://www.linkedin.com/company/intertechteyasam
 </li>
 <li>
 
 Instagram:
 
 http://www.instagram.com/intertechteyasam
 </li>
 <li>
 
 Youthall:
 
 https://www.youthall.com/en/intertech/
 </li>
 <li>
 
 Anlats&inodot;n.com:
 
 https://anlatsin.com/intertech
 </li>
 <li>
 
 Spotify:
 
 Spotify &ndash; Intertech
 </li>
 </ul>
 
 
 
 
 
 
 You will be a member of a dynamic team and a big family. We say join us!
 
 
 
</div>

Treasury Software Engineer (Hybrid)

ÜNLÜ & Co

<div>
 
 &Uuml;NL&Uuml; &amp; Co &ccedil;at&inodot;s&inodot; alt&inodot;nda faaliyetlerini s&uuml;rd&uuml;ren fintech &scedil;irketimiz Piapiri Teknoloji A.&Scedil;. b&uuml;nyesindeki finansal teknoloji uygulamalar&inodot;n&inodot;n geli&scedil;tirilmesinde g&ouml;rev alacak Software Developer aray&inodot;&scedil;&inodot;m&inodot;z bulunmaktad&inodot;r.
 
 
 
 
 
 
 
 
 
 Aranan Nitelikler:
 
 
 
 
 
 
 &middot; &Idot;lgili m&uuml;hendislik b&ouml;l&uuml;mlerinden mezun,
 
 
 &middot; Minimum 2 y&inodot;l .NET teknolojileriyle yaz&inodot;l&inodot;m geli&scedil;tirmesi tecr&uuml;besi olan,
 
 
 &middot; Y&uuml;ksek performansl&inodot;, d&uuml;&scedil;&uuml;k gecikmeli, yatayda h&inodot;zla geni&scedil;leyebilen mimariler hakk&inodot;nda bilgi sahibi
 
 
 &middot; MSSQL, Redis, HazelCast, RabbitMQ, Docker teknolojilerini kullanm&inodot;&scedil; veya bilgi sahibi,
 
 
 &middot; Kurumsal uygulama fikirlerinin mimari tasar&inodot;m&inodot;, hayata ge&ccedil;irilmesi, performans &ouml;l&ccedil;&uuml;mlemesi gibi konularda deneyim veya bilgi sahibi,
 
 
 &middot; En az teknik dok&uuml;manlar&inodot; anlayabilecek seviyede &Idot;ngilizce bilen,
 
 
 &middot; Analitik d&uuml;&scedil;&uuml;nce ve problem &ccedil;&ouml;zme becerisi kuvvetli, ileti&scedil;im y&ouml;n&uuml; g&uuml;&ccedil;l&uuml;, de&gbreve;i&scedil;ime, yeni teknolojilere ve geli&scedil;ime a&ccedil;&inodot;k,
 
 
 
</div>

Software 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

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