Senior .NET WPF Application Developer

Position: Senior .NET WPF Application Developer - 100% (w/m/d)

Thales people architect solutions that enable two-thirds of planes to take off and land safely. We create in-flight entertainment systems that engross 50 million fliers every year and we develop the avionics that control the world’s largest commercial aircrafts. Our simulators train the next generation of pilots for fighter jets, transporters and search and rescue helicopters. And, together, each and every member of our aerospace team makes a difference.

We

say HI* ̶ Welcome to our Thales Team!
• Human Intelligence

Thales in Switzerland is part of a leading global technology company in the fields of defense and security, training and simulation, space and digital identity and security. In a world full of uncertainties, we ensure that our customers, partners and employees can break new ground with confidence and security. For a future we can all trust.

Say HI* – to your career as Senior .NET

WPF Application Developer - 100% (w/m/d) at our Bern site #LI-HYBRID

In Bern, you can expect training and simulation solutions for armed forces on land, at sea and in the air, for police authorities and for helicopter operators worldwide. This is the right place for you if you want to work with us to develop and shape live and virtual training systems. Become part of the Thales team of experts at one of the leading providers of training & simulation in Europe.

Role Overview

As a Senior .NET WPF Application Developer, you’ll play a key role in designing and developing complex desktop applications using C#, .NET, and WPF. You’ll mentor junior developers, contribute to architectural decisions, and work closely with product owners and designers in an Agile environment. This is a hands‑on leadership role for someone who thrives on technical challenges and team collaboration.

Your mission

• Design, develop, and maintain robust WPF desktop applications using C# and .NET(Framework/Core)
• Lead technical discussions and contribute to architectural decisions
• Implement and enforce best practices in coding, testing, and application design (e.g., MVVM principles)
• Collaborate with cross‑functional Agile teams to deliver high‑quality software in iterative sprints
• Conduct code reviews, mentor junior developers, and foster a culture of continuous learning
• Optimize application performance and scalability
• Integrate with RESTful APIs and backend services (e.g., Signal
  
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• Contribute to CI/CD pipelines and Dev Ops practices
• Opportunity to influence product direction and technical strategy

We look forward to that

• Holding a Master Degree in Computer Science
• 5+ years of professional experience in .NET development with a strong focus on WPF
• Deep understanding of XAML, MVVM architecture, and UI/UX best practices
• Proficiency in C#, .NET Framework and .NET Core
• Experience working in Agile/Scrum teams
• Strong knowledge of design patterns, dependency injection, and unit testing
• Familiarity with Git, Azure Dev Ops, or similar tools
• Excellent problem‑solving, communication, and leadership skills
• Knowledge of performance profiling and memory management in WPF

Bonus points will be considered

• Experience with MVVM frameworks (e.g., Prism, MVVM Light)
• Experience with WPF UI control libraries (e.g., Dev Express)
• Exposure to cloud platforms (e.g., Azure) and microservices architecture
• Experience with SQL Server or other relational database
• Experience with real‑time simulation protocols (e.g., DDS, HLA)

What you can expect at our Bern location

Flexible and mobile working without core hours | Part‑time models to promote work‑life balance | “Sharing Thales” employee share program | Benefits for special occasions | International development opportunities within the Thales Group | Extensive training opportunities at the Thales Learning Hub | Regular development discussions | Advantages platform with employee discounts | Free hot and cold beverages | Paid premiums for accident and daily sickness allowance insurance

For our 83,000 employees in 68 countries, we open up forward‑looking opportunities, enable individual career paths, and allow space for creativity. This is achieved through courage, diversity, and a strong commitment to making the demanding challenges of our time safer and…