Senior Software Developer - Windows

Job Description

We are seeking a Senior Software Developer to enhance our Windows application, a secure document editing and collaboration platform. In this role, you will be a hands-on technical developer responsible for designing and building scalable systems, making sound technical decisions, and collaborating effectively with team members.

What You'll Do

Core Development

• Design and develop new features for the Windows client application using modern .NET technologies
• Build and maintain desktop applications that handle file management, application launching, and session lifecycle management
• Implement security features including argument validation, secure file handling, and authentication integration
• Optimize application performance and reliability in enterprise environments

Architecture & Design

Integration & Deployment

Quality Assurance & Testing

Technical Collaboration

What You'll Bring

Essential Skills

Nice to Have

The Values That Define Us

Execution

We deliver results with focus, ownership, and consistency. Our teams take initiative, solve challenges proactively, and continuously optimize how we work to create meaningful impact for our customers.

Transparency

We communicate openly and clearly, ensuring stakeholders have the information they need to make informed decisions. We foster a culture of trust, welcome feedback, and embrace accountability in everything we do.

Integrity

We uphold the highest standards of honesty and responsibility. Our teams act ethically, consistently honor commitments, and build trust through principled, reliable actions.

Job Benefits

Your Equipment : Mac or Microsoft – you work with the IT equipment of your choice.

Your Pension : We contribute 20% to your company pension scheme (BAV) and also cover ongoing contracts.

Your Discounts : Enjoy attractive employee discounts via Bitkom with numerous well-known providers.

Your Extra : Shop with the Edenred gift card, with an average of €20 per month.

Your Stock Options : After one year with us, you have the opportunity to participate in our stock option program.

Your Flexibility : With your flexitime account, you can make up for longer days at any time.

Your Birthday : Celebrate yourself with a special day off on your birthday.

Your Engagement : Use a special vacation day to engage in social or environmental causes.

Commitment to Equal Opportunity & Inclusion

Kiteworks is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances.

Other Requirements

Ability to meet Kiteworks, customer, and / or government security screening requirements for this role. These requirements include, but are not limited to, the following specialized security screenings :

Kiteworks Background Check : This position requires passing the Kiteworks background check upon hire / transfer and every two years thereafter.