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
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., SignalR)
Contribute to CI/CD pipelines and DevOps 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 DevOps, 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., DevExpress)
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 more inclusive. With our sustainable, values-based approach to people management, we actively promote diversity.
Say HI* – Your way to us
When the writing is on the wall, our international teams are there to tackle today's complexity with tomorrow's industry-leading technologies. Are you in? Your contact Frederic Martin is looking forward to receiving your online application via our career portal.
Frederic Martin
Talent Acquisition Partner #LI-FM1
*Human Intelligence
Notice for recruitment agencies:
Unfortunately, due to unforeseen circumstances, we regret to inform you that the CVs submitted by recruitment agencies are not processed. We will take into consideration only the CVs submitted by the candidates.
We appreciate your understanding to Thales recruitment processes
At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!