Software Engineer (Remote)

Neumo Holdings LLC• TX, US, TX

8h•Remote

About The Position

We are seeking a Software Engineer to design, build, and maintain data-intensive, client/server enterprise applications in a complex, data-driven environment. This role is centered on C#, WinForms desktop applications, and Microsoft SQL Server systems that power core business workflows. Success in this role requires strong problem-solving skills, the ability to work within established architectures, and ownership of delivering reliable, performant solutions in real-world production environments.

Requirements

Strong professional experience with C# in production systems
Solid experience building and maintaining WinForms desktop applications
Strong experience with Microsoft SQL Server, including: Writing and optimizing complex queries and stored procedures, Database design and performance tuning
Experience working on systems where performance and reliability are critical to business operations
Experience with traditional client/server architectures
3–5 years of professional software development experience
Experience conducting code reviews and mentoring other engineers
Experience working in complex, multi-system or legacy-integrated environments
Experience modernizing legacy desktop or client/server systems
Experience with automated testing for desktop applications
Familiarity with deployment tools and release management for desktop environments
Experience with reporting tools or data-heavy applications
Familiarity with .NET Framework (or .NET for Windows desktop applications)
Understanding of application performance profiling and optimization
Ability to debug complex issues across multiple layers (database, application, UI)
Proven ability to design and implement maintainable, scalable systems
Strong collaboration skills across engineering, QA, and product teams
Ability to take ownership of deliverables and drive work through to completion
Ability to quickly understand existing systems and make safe, incremental improvements in production environments
Exposure to modern development tools (e.g., AI-assisted coding tools like Claude Cowork)
Demonstrated understanding of system quality attributes, including: Reliability, Performance, Security, Maintainability

Responsibilities

Design, develop, and maintain core application logic using C#
Build and support Windows desktop applications using WinForms
Develop and optimize SQL Server database objects including stored procedures, queries, and schema design
Troubleshoot and resolve complex production issues across database, application, and UI layers
Work within and improve complex legacy systems while maintaining production stability
Contribute to ongoing enhancements and modernization of existing client/server applications
Collaborate with QA, Product, and cross-functional teams to deliver high-quality releases
Participate in code reviews and contribute to improving development standards and practices
Support testing efforts and improve deployment and release processes
Perform other duties as assigned