Senior .NET Developer - Windows

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About Delinea
Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to govern their interactions across modern enterprises. Leveraging AI-powered intelligence, Delinea’s leading cloud-native Identity Security Platform applies context throughout the entire identity lifecycle – across cloud and traditional infrastructure, data, SaaS applications, and AI. It is the only platform that enables you to discover all identities – including workforce, IT administrator, developers, and machines – assign appropriate access levels, detect irregularities, and respond to threats in real time. With deployment in weeks, not months, 90% fewer resources to manage than the nearest competitor, and a 99.995% uptime, Delinea delivers robust security and operational efficiency without compromise.

We're looking for a Senior Software Developer to join our team with a strong focus on our Windows desktop application and the shared cross‑platform core. In this role, you'll be the go‑to person for Windows‑related development while playing a central role in evolving and maintaining the shared codebase that powers both Windows and macOS platforms.

• Develop and maintain the Windows desktop application using C#/.NET with WPF and WinForms.
• Design, build, and extend the shared cross‑platform core used by both Windows and macOS applications.
• Drive architectural decisions for the shared codebase, ensuring solutions work seamlessly across platforms.
• Collaborate closely with the macOS team to align on shared interfaces and abstractions.
• Define and maintain clean boundaries between platform‑specific and shared code.
• Work with QA to maintain and expand automated UI testing.
• Implement interfaces that follow Windows design conventions and user expectations.
• Troubleshoot and resolve issues across the shared core and Windows‑specific layers.
• Participate in code reviews and share .NET and cross‑platform expertise with the broader team.

• Take ownership of Windows‑related features and shared core components from design through deployment.
• Think \"cross‑platform first\" when designing solutions, considering impact on both Windows and macOS.
• Make thoughtful decisions about what belongs in shared code vs platform‑specific code.
• Proactively identify opportunities to improve architecture and code quality in the shared core.
• Communicate effectively with both Windows and macOS team members about technical trade‑offs.
• Stay current with .NET evolution and Windows platform updates.
• Mentor team members on .NET, cross‑platform architecture, and Windows development best practices.

• 5+ years of professional experience in C#/.NET development.
• Strong experience building Windows desktop applications with WPF and WinForms.
• Proven experience designing and maintaining shared codebases used across multiple platforms.
• Deep understanding of .NET architecture, including dependency management and cross‑platform considerations.
• Experience with modern .NET (Core / .NET 5+) and its cross‑platform capabilities.
• Strong knowledge of software design patterns and architecture principles, with solid experience implementing Dependency Injection and MVVM.
• Ability to design clean abstractions that work across different platform implementations.
• Solid understanding of asynchronous programming and multithreading in .NET.
• Experience with CI/CD pipelines and managing builds for multiple environments and configurations.
• Ability to collaborate effectively with Product and UX/UI teams to translate requirements into technical solutions.

• Experience with UI test automation frameworks.
• Background in migrating legacy .NET Framework applications to modern .NET.
• Experience with MVVM pattern and related frameworks (Prism, MVVM Toolkit).
• Knowledge of Windows application distribution (installers, signing, updates).
• Contributions to open‑source .NET projects.

• Hybrid position based in Mexico City.
• You’ll be embedded with the Connection Manager engineering team.
• Collaborate with a team that works across both Windows and macOS platforms.
• Work closely with Product and UX/UI teams throughout the development process.
• Participate in daily standups, sprint planning, and retrospectives.
• Work in Agile sprint cycles with regular releases.

• We’re passionate problem‑solvers helping the world's largest organizations protect what matters most: their human and machine identities.
• We invest in people who are smart, self‑motivated, and collaborative.
• What we offer in return is meaningful work, a culture of innovation and great career progression.

• Spirited – we bring energy and passion to everything we do.
• Trust – we act with integrity and deliver on our commitments.
• Respect – we listen, value different perspectives, and work as one team.
• Ownership – we take initiative and follow through.
• Nimble – we adapt quickly in a fast‑changing environment.
• Global – we embrace diverse people and ideas to drive better outcomes.

We believe weaving these core values into our day‑to‑day actions, and our process for hiring, evaluating, and promoting employees, helps us cultivate a work environment that embraces collaboration and camaraderie. We take care of our employees. We offer competitive salaries, a meaningful bonus program, and excellent benefits, including healthcare insurance, as well as pension/retirement matching, comprehensive life insurance, an employee assistance program, time‑off plans, and paid company holidays.

Delinea is an Equal Opportunity and Aff…