Advanced Fullstack .Net Software Engineer

Growth Acceleration Partners•Colorado Springs, CO

7d•Remote

About The Position

We are looking for a Advanced Fullstack .Net Software Engineer to drive the development, maintenance, and modernization of enterprise-level web applications. In this high-impact role, with hands-on technical execution. You will play a crucial part in modernizing legacy systems, optimizing application performance, and ensuring robust security across the stack. Operating within an Agile environment, you will collaborate with cross-functional teams to translate complex requirements into scalable, secure, and modern technical solutions.

Requirements

3+ years of recent fullstack development experience, with a strong focus on the .NET ecosystem
Proven track record of acting as a Player/Coach: leading, mentoring, and guiding a development team while remaining deeply hands-on with coding and architecture
Strong background working in an Agile/Scrum environment with sprints, ceremonies, and iterative delivery
Demonstrated experience modernizing legacy applications, specifically migrating older .NET architectures to modern frameworks such as Blazor
Strong experience across the following areas: Backend Core: ASP.NET, .NET Core, C#
Frontend & UI: HTML5, CSS, JavaScript, TypeScript, AJAX, jQuery, and UI frameworks including Blazor Components, Telerik, Kendo UI, and Bootstrap
APIs & Integrations: REST APIs, WSDL/SOAP services, and proficiency with API testing/validation tools (Postman, Swagger/Swashbuckle, Fiddler, SoapUI)
Database: Advanced SQL Server expertise (building/optimizing stored procedures, views, indexing strategies) and troubleshooting using SQL Server Profiler and Execution Plans
Tools & DevOps: Visual Studio (2022 or higher), and source control systems including Git and TFS
Advanced English proficiency
Strong leadership and mentoring capabilities with a collaborative "Player/Coach" mindset
Excellent analytical and problem-solving skills
Clear communication skills with the ability to articulate complex technical concepts to cross-functional stakeholders

Nice To Haves

Comfortable leveraging AI-assisted development tools (e.g., Claude, GitHub Copilot, ChatGPT) to accelerate development, documentation, and problem-solving
Deep knowledge of advanced UI/UX optimization techniques for data-heavy enterprise applications

Responsibilities

Maintain, troubleshoot, and enhance enterprise-level ASP.NET web applications
Develop, implement, and test new fullstack features, functionalities, and modules
Optimize application performance, ensure robust security measures, and troubleshoot complex problems across the front end, API layer, and database
Oversee daily product stand-ups, report on progress, and actively clear blocking issues for the team
Participate in code reviews to ensure strict conformance to internal standards, specifications, and best practices
Collaborate closely with cross-functional teams to gather requirements and deliver clear, scalable solutions