Senior Software Engineer (We are expanding our team for the next phase!)

Atos SE; Çankaya; On-site; TRY 2,447,000 - 3,427,000; Full time

Job summary

A multinational technology company is looking for an experienced Senior Software Engineer in Ankara. This position demands strong software development skills with a focus on innovative solutions for the defense sector. Candidates should possess a B.Sc. in Computer Engineering or related fields, have over 8 years of experience in software development, and be adept in Object-Oriented Programming and web technologies. The role includes analyzing user requirements, developing applications, and collaborating with team members for quality results.

Benefits

Competitive Compensations And Benefits

Private health insurance

Performance Bonus

Flexible working hours

Days of annual leave above the legal minimum

Qualifications

• 8+ years of proven experience in software development.
• Strong background in Object-Oriented Programming.
• Experience with Configuration Management Systems.

Responsibilities

• Analyze user requirements and create software specifications.
• Design and document technical solutions.
• Develop and maintain applications.

Skills

Object-Oriented Programming

Microsoft Development Technologies

Web Application Development

RESTful API design

Relational and NoSQL databases

Agile methodologies

Troubleshooting and performance optimization

Education

B.Sc. degree in Computer Engineering, Computer Science or related field

Tools

Microsoft Azure

Git

Job description

Overview

Senior Software Engineer (We are expanding our team for the next phase!)

Publication Date: Sep 3, 2025

Ref. No: 509663

Location: Çankaya/Ankara, TR

Who we are. We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society. Together we create reliable and responsive digital foundations for the world’s businesses, institutions, and communities. Learn more on Advancing what matters

About Atos The future is our choice

Atos is a global leader in digital transformation with 110,000 employees in 73 countries and annual revenue of € 12 billion. European number one in Cloud, Cybersecurity and High-Performance Computing, the Group provides end-to-end Orchestrated Hybrid Cloud, Big Data, Business Applications and Digital Workplace solutions. The Group is the Worldwide Information Technology Partner for the Olympic & Paralympic Games and operates under the brands Atos, Atos|Syntel, and Unify. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index. The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

We have successfully completed the modernization phase of one of our key defense projects and are now kicking off brand-new work packages under a new contract. As we move forward into this exciting stage, we are looking for an experienced, self-motivated, and energetic Senior Software Engineer residing in Ankara to join our team.

If you want to take part in shaping large-scale, cutting-edge solutions in the defense industry, this role is for you!

Technical Requirements

• B.Sc. degree in Computer Engineering, Computer Science or a related field
• 8+ years of proven experience in software development
• Strong background in Object-Oriented Programming
• Hands-on experience with:
• Microsoft Development Technologies
• Web Application Development and Web Services
• RESTful API design and integration (XML, JSON, etc.)
• Relational and/or NoSQL databases
• Knowledge of:
• Design Patterns and best practices
• Software Development Lifecycle (SDLC) models
• Agile methodologies and Scrum
• Experience with Configuration Management Systems (e.g., MS Azure, TFS, Git, ClearCase)
• Familiarity with Continuous Integration and DevOps concepts

Nice to Have Areas of Experience:

• Java
• WPF / Silverlight (XAML)
• Entity Framework, NHibernate
• WCF services implementation
• Troubleshooting and performance optimization
• Experience with defence projects compliant with IEEE 12207

Responsibilities

• Analyse user requirements and create software specifications
• Design and document technical solutions
• Develop and maintain applications in line with Atos processes and industry standards
• Perform unit testing, code reviews, and refactoring
• Support release deployments and resolve post-production issues
• Collaborate in peer reviews and team activities
• Provide timely support to customer needs, troubleshoot issues, and deliver solutions
• Write clear technical documentation and present complex information effectively

General Skills and Attributes

• Strong communication and collaboration skills
• Reliable, responsible, and self-motivated team player
• Solid problem-solving and analytical mindset
• Proactive in adapting to changing project needs
• Passionate about continuous learning and self-improvement
• High sense of ownership, accountability, and urgency
• Skilled in Microsoft Office and open-source office tools
• Willingness to travel abroad when needed
• Having a valid National Security Clearance (MoD, Turkey) is a plus

What We Offer

• GPTW Certified Company
• Competitive Compensations And Benefits
• Flexible benefit program
• Private health insurance
• Life insurance
• Performance Bonus
• Accolade bonus
• Referral bonus
• Transportation allowance
• Meal allowance
• Kindergarten allowance
• Buddy program
• Flexible working hours at Atos or home office
• Company SIM card
• Days of annual leave above the legal minimum
• Atos University Access – Professional and personal development through continuous education and certification
• Wellbeing days
• Friendly working environment
• BYOD - Bring your own mobile device campaign

#LI-Turkey

Here at Atos, we want all our employees to feel valued, appreciated, and free to be who they are at work. Our employee lifecycle processes are designed to prevent discrimination against our people regardless of gender identity or expression, sexual orientation, religion, ethnicity, age, neurodiversity, disability status, citizenship, or any other aspect which makes them unique. Across the globe, we have created a variety of programs to embed our Atos culture of inclusivity and work hard to ensure that all our employees have an equal opportunity to contribute and feel that they are exactly where they belong.

Learn more about us
At Atos, we embrace diversity as the ultimate engine of ingenuity for our clients, and we constantly strive to create a culture where people feel supported and encouraged. Read more about our commitment here .

Whether it is fighting climate change, promoting digital inclusion, or ensuring trust in data management – tech for good sits at the core of our identity. With numerous global recognitions for our ESG practices, we are committed to building a better future for all by harnessing the power of technology. Learn more here