Senior Software Engineer (New Projects Starting - 2026 Deliverables)

About Atos

Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea) and listed on Euronext Paris.

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.

With new project deliverables planned for 2026, we are continuing to grow our team and are looking for a Senior Software Engineer based in Ankara.

If you have strong experience in software development and would like to work on impactful projects, we would be happy to hear from you.

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
• Angular & TypeScript (large-scale, multi-module SPA development)
• RESTful API design and integration (XML, JSON, etc.)
• JavaScript, HTML5, and modern web frameworks
• Relational and/or NoSQL databases
• ORM frameworks/tools (concurrency, collections, loading strategies, validation, caching, etc.)

• 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:

• NET Framework / .NET Core
• Java
• WPF / Silverlight (XAML)
• Entity Framework, NHibernate
• WCF services implementation
• Key-value stores (HBase, Cassandra, Redis, etc.)
• Messaging queue technologies (RabbitMQ, MSMQ, etc.)
• 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

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.