Senior Full Stack Developer

At Pro Mach, we look for people who want to shine. Here, you can grow your career, share bold ideas, and make a real impact. Do we have your attention? Keep reading. ZPI is continuing to develop and modernize its Monitor & Report platform, which delivers operational and production insights through an established .NET application, backend APIs, data services, and a modern React-based user interface.

• Design, develop, and maintain backend services, business logic, data-access components, databases and APIs within the existing .NET application.
• Develop and support React-based web functionality, working across the user interface and backend where features require changes in both layers.
• Maintain and enhance existing ASP.NET MVC functionality while supporting the ongoing transition of appropriate features to React.
• Implement and support dashboard modules, reporting features, time-frame logic, asset selection, calculations, and other data-driven application behavior.
• Troubleshoot defects across the full application stack, including the React user interface, API endpoints, backend processing, application data, and SQL Server interactions.
• Investigate data discrepancies and performance issues by reviewing code, application behavior, logs, API responses, and generated test results.
• Create and maintain unit, integration, regression, and end-to-end tests, including comparison-based validation of application data and module results.
• Prepare application builds and releases, coordinate branch merges, validate release candidates, maintain release notes, and communicate completed changes to internal stakeholders.
• Provide ongoing maintenance and production support for customer deployments, including investigation of API usage, application performance, and release-related issues.
• Create and update Azure Dev Ops work items, document defects and acceptance criteria, contribute to sprint planning, and participate in code and design reviews.
• Collaborate with frontend, backend, product, support, and infrastructure team members to deliver changes that are maintainable and compatible with supported application versions.

• 8+ years of professional software development experience, or equivalent demonstrated senior-level experience, with substantial hands‑on work across C#, .NET Framework, web applications, APIs, and relational databases.
• Strong experience developing and maintaining backend services, business logic, data‑access layers, and RESTful APIs in an established .NET codebase.
• Strong hands‑on experience with React, JavaScript or Type Script, HTML, and CSS.
• Experience developing features that require coordinated changes across the frontend, backend, API, and data layers.
• Experience working with ASP.NET MVC applications and incrementally modernizing server‑rendered functionality into a component‑based frontend.
• Strong proficiency with SQL Server, including querying, troubleshooting data issues, and supporting application data‑access code.
• Experience troubleshooting issues involving calculations, time‑based data, application state, API responses, and data presented in the user interface.
• Experience creating and maintaining unit, integration, regression, and end‑to‑end tests for data‑driven web applications.
• Experience with Git workflows, pull requests, branching and merging, build preparation, release validation, release notes, and production support.
• Proven ability to work effectively in a large existing codebase and deliver compatible, maintainable changes without unnecessary rewrites.
• Experience effectively using AI‑assisted development tools, such as Git Hub Copilot or equivalent, to support coding, testing, troubleshooting, documentation, and technical analysis, with appropriate…