Senior .NET Software Engineer

OkWhen·RemoteRemotesenior

In short

→Ingeniero .NET senior que construye y mantiene servicios backend y APIs en C# y ASP.NET para plataformas de eventos virtuales.
→Trabaja en sistemas productivos complejos, resolviendo problemas técnicos, optimizando bases de datos y mejorando rendimiento sin supervisión constante.
→Destaca por su autonomía, impacto directo en la plataforma y uso responsable de herramientas de desarrollo asistido por IA.

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What they ask for

✓7+ años de experiencia en desarrollo de software profesional
✓Experiencia comercial sólida con C#, .NET y ASP.NET Core
✓Conocimiento avanzado de SQL Server, diseño de bases de datos y optimización de consultas
✓Experiencia en desarrollo de APIs REST
✓Capacidad para trabajar de forma independiente en un código existente
✓Habilidades de comunicación escrita y verbal claras

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C#.NETASP.NET CoreAngularTypeScriptSQL Server.NET MAUIGitCI/CDAzure

Who should you write to at OkWhen?

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Please note. Directly emailing us will result in immediate disqualification. Use the application form to apply. About OkWhen OkWhen builds technology that powers live, virtual, and hybrid events. Our platform supports conference management, registration, payments, mobile apps, content libraries, webinars, LMS functionality, CEU tracking, sponsor management, and operational workflows. NET Software Engineer to help us improve, maintain, and extend a production platform used to run complex events. The Outcome Weâre Hiring For You will own meaningful parts of our application and consistently deliver reliable software without requiring constant supervision. You will improve system performance, reduce technical debt, and turn operational problems into simple, maintainable products. This is not a ticket-taking role. We need an engineer who can understand the existing system, make sound technical decisions, and follow work through from discovery to production. Responsibilities Design, build, test, deploy, and maintain production software Develop backend services and APIs usingÂ C# and ASP.NET/.NET Build and maintain web applications usingÂ Angular Design, optimize, and troubleshootÂ SQL ServerÂ databases and queries Maintain and extend mobile applications usingÂ .NET MAUI Investigate and resolve production issues Improve application reliability, performance, security, and observability Write automated tests and maintain technical documentation Participate in code reviews and establish engineering standards Collaborate with product, operations, and event-production teams Break ambiguous business problems into clear technical plans Use AI-assisted development tools responsibly to improve speed without sacrificing quality 7+ years of professional software development experience Strong commercial experience withÂ C#, .NET, and ASP.NET Core Strong experience withÂ Angular and TypeScript Advanced working knowledge ofÂ SQL Server, database design, and query optimization Production experience withÂ .NET MAUIÂ or Xamarin Experience designing and consuming REST APIs Experience with Git, CI/CD, debugging, and automated testing Demonstrated ability to work independently in an existing codebase Strong written and verbal communication Comfortable owning outcomes, not just completing assigned tasks Preferred Qualifications Experience with SaaS platforms Experience with event management, registration, payments, LMS, or communications systems Cloud experience with Azure or AWS Experience with distributed systems, queues, integrations, or real-time applications Experience modernizing legacy applications Experience mentoring other developers Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k, IRA) Paid Time Off (Vacation, Sick & Public Holidays) Family Leave (Maternity, Paternity) Training & Development Work From Home Please mention the word **EXAMPLAR** and tag RMy44My4xMTcuMTk2 when applying to show you read the job post completely (#RMy44My4xMTcuMTk2). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.

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