Owns the design, development, testing, deployment, and maintenance of production software. Builds C#/.NET backend services, Angular web applications, and .NET MAUI mobile apps; optimizes SQL Server databases; resolves production issues; improves reliability, security, performance, and observability; writes tests and documentation; participates in code reviews; and translates ambiguous business needs into maintainable technical solutions.
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
Requirements
- 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
Benefits
- Health Care Plan (Medical, Dental & Vision)
- Retirement Plan (401k, IRA)
- Paid Time Off (Vacation, Sick & Public Holidays)
- Training & Development
- Work From Home
Similar Jobs
Insurance
Leads architecture and development of complex backend services for a commercial health plan platform. Designs .NET Core and Azure systems, develops claims, eligibility, and benefits functionality, manages healthcare data integrations, and owns cloud infrastructure and CI/CD architecture. Provides technical leadership through code reviews, testing standards, mentoring, and architecture decisions while ensuring performance, reliability, security, and regulatory compliance.
Top Skills:
.Net CoreApi ManagementArmAzure MessagingBicepC#Ci/CdDistributed SystemsEvent-Driven ArchitectureHl7 Fhir R4Infrastructure As CodeMicroservicesAzureNcpdpNode.jsRest ApisServerless ComputingTerraformX12 5010
Software
Develop and optimize Microsoft .NET applications, legacy systems, and microservices with a focus on performance, scalability, reliability, and observability. Responsibilities include code reviews, performance testing, CI/CD integration, architecture and sprint delivery, legacy code and SQL tuning, cloud application deployment on Azure, automated testing, and resolving customer issues. The developer collaborates with architects, QA, technical support, and cross-functional teams using SAFe Agile practices.
Top Skills:
.Net Aspire.Net Core.Net Framework.Net MvcAngularjsAzure App ServiceAzure Application InsightsAzure ContainersAzure SqlC#Ci/CdEntity Framework CoreHibernateJavaJmeterMs Web ApiMs Web FormsMySQLNode.jsPostgresSafe AgileSpringSQL ServerTypescriptVisual StudioWapt
Logistics
Build and maintain scalable .NET applications across web, desktop, console, and mobile platforms while developing AI capabilities on Azure. Responsibilities include creating RAG solutions, LLM agents, MCP integrations, AI evaluation harnesses, guardrails, and secure application integrations. The role also supports databases, automated testing, DevOps practices, and third-party APIs. The engineer will mentor developers on GitHub Copilot, Claude, AI coding practices, and responsible review of AI-generated code.
Top Skills:
.Net 9.Net MauiAngularAsp.Net MvcAzure Ai Document IntelligenceAzure Ai FoundryAzure Ai SearchAzure DevopsAzure OpenaiAzure Sql Managed InstanceBlazorC#Claude CodeEntity FrameworkGitGitGithub CopilotIdentityserver4JwtLangchainMicrosoft Agent FrameworkMicrosoft FabricModel Context Protocol (Mcp)OauthPower BIPromptfooRagasReactRest ApiSalesforce MulesoftSemantic KernelSharepointSQL ServerT-SqlTypescriptVueXamarin
What you need to know about the Austin Tech Scene
Austin has a diverse and thriving tech ecosystem thanks to home-grown companies like Dell and major campuses for IBM, AMD and Apple. The state’s flagship university, the University of Texas at Austin, is known for its engineering school, and the city is known for its annual South by Southwest tech and media conference. Austin’s tech scene spans many verticals, but it’s particularly known for hardware, including semiconductors, as well as AI, biotechnology and cloud computing. And its food and music scene, low taxes and favorable climate has made the city a destination for tech workers from across the country.
Key Facts About Austin Tech
- Number of Tech Workers: 180,500; 13.7% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Dell, IBM, AMD, Apple, Alphabet
- Key Industries: Artificial intelligence, hardware, cloud computing, software, healthtech
- Funding Landscape: $4.5 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Live Oak Ventures, Austin Ventures, Hinge Capital, Gigafund, KdT Ventures, Next Coast Ventures, Silverton Partners
- Research Centers and Universities: University of Texas, Southwestern University, Texas State University, Center for Complex Quantum Systems, Oden Institute for Computational Engineering and Sciences, Texas Advanced Computing Center
