Windows Engineer - .NET Modernization & Installer Architecture (Contractor)

Task

Support modernization, stabilization and enterprise readiness of existing Windows desktop applicationsImprove installer architectureStandardize deployment workflowsEnhance CI/CD pipelinesEnsure reliable update and installation experienceMaintain and stabilize existing auto-update mechanismEnsure application and deployment model enterprise-readinessPreserve user-level installation as default modeIntroduce ARM support through installer modificationsConsolidate installer workflows to eliminate inconsistencies and installation issuesMigrate Windows desktop applications from .NET Framework to .NET 8Refactor legacy code to align with modern .NET practicesReduce technical debt through targeted improvementsSupport WPF and/or WinForms applicationsRedesign and standardize installer architectureAddress challenges of multiple installers supporting different workflowsAddress frequent installation inconsistencies and failuresEstablish unified and reliable installation processEnsure support for user-level installations, enterprise deployment scenarios, and auto-update mechanismsImplement ARM compatibility through installer adjustmentsDesign, improve and maintain CI/CD pipelinesLead or support migration to Azure DevOpsMaintain or transition from existing systems such as JenkinsAutomate build processes, testing, packaging and release workflowsAlign CI/CD pipelines with installer and release strategiesOptimize desktop application performance focusing on startup time, UI responsiveness and memory consumptionTroubleshoot production issues efficientlyProvide timely response to critical issues based on SLAPerform root cause analysis and deliver fixes or mitigation strategiesEnsure clear documentation and communication of findings

Expectation

Strong experience with C# and .NET Framework and .NET 6/8Windows desktop application development with WPF and/or WinFormsStrong experience in multithreaded programming and concurrencyProven experience in GUI performance optimizationDeep understanding of MVVM architectureExperience with installer technologies such as MSI, MSIX or custom solutionsHands-on experience with CI/CD systemsStrong knowledge of Azure DevOpsExperience with JenkinsExperience in build automation and pipeline designAbility to work independently in a part-time engagement modelStrong analytical and problem-solving skillsClear and structured communicationProactive and solution-oriented mindset

Other

Experience with ARM-based builds or deploymentsEnterprise software distribution experiencePowerShell scriptingMSBuild expertise

What we offer

Competitive base salaryRemote workplaceHybrid workplaceFlexible working hours

Company details:

At Tresorit, we believe that professionals in every organization should have a secure and intuitive way to collaborate on sensitive and confidential information. Our platform empowers departments, teams, and solo entrepreneurs to engage efficiently with coworkers, customers, and partners by providing secure solutions. As pioneers in privacy and security technology, we are dedicated to addressing the needs of today’s digital landscape. With a focus on seamless, secure collaboration, our solutions integrate zero-knowledge end-to-end encryption to protect your data, ensuring compliance with regulations such as GDPR, HIPAA, NIS2 and more. Our platform offers encrypted file sharing, digital signatures, and secure emails, all while maintaining an exceptional user experience. Certified to the highest standards, our platform is trusted by over 30,000 clients globally. We provide organizations with the tools they need to securely manage information assets, promoting productivity without sacrificing privacy.