Senior .NET Software Engineer

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.

We are hiring a Senior .NET Software Engineer to help us improve, maintain, and extend a production platform used to run complex events.

The Outcome We’re 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 using C# and ASP.NET/.NET

Build and maintain web applications using Angular

Design, optimize, and troubleshoot SQL Server databases and queries

Maintain and extend mobile applications using .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 with C#, .NET, and ASP.NET Core

Strong experience with Angular and TypeScript

Advanced working knowledge of SQL Server, database design, and query optimization

Production experience with .NET MAUI 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

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