Senior Software Engineer - Defence Sector

Publication Date:  May 27, 2024
Ref. No:  509663

Çankaya/Ankara, TR, 6531

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 are looking for an experienced, self-motivated, and energetic team member who will join us a full-time Senior Software Engineer and work as part of our Ankara team for our defence sector projects


Technical Requirements:

  • Has B.Sc. in Computer Engineering, Computer Science or in a related area
  • Proven 8+ years of work experince in software development
  • Proven experience in Object-Oriented Programming paradigm
  • Experience and knowledge in:
    • Microsoft Development Technologies
    • .NET Framework, .NET Core
    • Web Application Development and Web Services
    • Angular, within context of large scale multi module SPA development, and Typescript
    • RESTful API design and consumption, XML, JSON etc.
    • Javascript, HTML5 and web application frameworks
    • Relational & non-relational Databases
  • Experience in Object-relational mapping techniques and ORM frameworks/tools (knowledge of concepts like dealing with concurrency, collections, lazy and explicit loading, validations or caching etc.)
  • Knowledge of Design Patterns, best practices, and their usages
  • Knowledge of Software Development Lifecycle and SDLC models
  • General knowledge of Agile Development practices and Scrum
  • Experience using Configuration Management Systems (e.g., MS Azure, TFS, Git, ClearCase etc.)
  • General knowledge of Continuous Integration and DevOps
  • Experience in software development in defence projects according to IEEE 12207


Desirable areas of experience:

  • Java
  • Silverlight/ Windows Presentation Foundation (WPF)
  • Extensible Application Mark-up Language (XAML)
  • Entity Framework and NHibernate
  • WCF services implementation
  • Key-value stores like HBase/Cassandra, Redis etc.
  • Publish/subscribe/messaging queue technologies like RabbitMQ, MSMQ, etc.
  • Troubleshooting and improving software performance
  • Software development processes in defence projects according to IEEE 12207



  • Analyses user requirements, creates and documents software requirements
  • Designs solutions according to requirements and documents design
  • Develops and maintains software applications in accordance with Atos processes, industry standards and related guidelines
  • Unit-tests, reviews and refactors code
  • Supports deployment of releases and solution of deployment and post-production issues
  • Participates in peer-reviews
  • Responds to customer needs regarding analysed, designed or developed software in a timely fashion, troubleshoots issues and provides solutions when needed
  • Writes detailed technical documentation, present complex technical information in a clear and concise manner to a wide variety of audiences
  • Participates in and executes other software-related team activities


General Skills and Attributes:

  • Having good communication and collaboration skills
  • Ability to work as a reliable, responsible and self-motivated team player
  • Having good problem solving and analytical skills
  • Being proactive to project needs and demands in fast changing environment
  • Having a passion for lifelong learning and personal qualification improvement
  • Having a sense of urgency, accountability, and ownership
  • Power user in Microsoft Office and open office applications
  • Very good command of both written and oral English (KPDS/YDS:75, TOEFL iBT: 80, CEFR B2 or equivalent)
  • No restrictions for travelling abroad temporarily
  • Completed military service for male candidates
  • Having a valid National Security Clearance from Ministry of National Defence, 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

Thanks for taking time to review our job ad. If you believe this is the right match, please do not hesitate to apply with your CV in English.

We are eager to learn more about our applicants!

At Atos, our ambition is to be a diverse and inclusive company where people are truly free to be themselves. They can thrive, achieve their personal goals and innovate without limitations. We welcome everyone to apply.



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