Sr. Net Engineer

Robotic Process Automation LLC; Wilmington (DE); On-site; USD 120,000 - 180,000; Full time

Job summary

Robotic Technologies Automation is seeking a seasoned software engineer to design, develop, and maintain scalable .NET applications with Blazor, while building AI-enabled workflows in an Agile environment.

The role emphasizes robust data modeling with EF Core/SQL Server, serverless Azure Functions, and modern front-end styling with Bootstrap. You will contribute to AI-assisted SDLC practices and automated testing with Playwright.

Qualifications

• Experience designing, developing, and maintaining scalable, modular applications with C# and .NET Core.
• Experience building modern web apps with Blazor Server/Blazor WebAssembly.

Responsibilities

• Translate business requirements into scalable technical solutions within Agile development teams.
• Design, build, and support AI-enabled applications and intelligent workflows.
• Develop automated testing solutions using Playwright for UI, API, and database validation.
• Collaborate with cross-functional teams to deliver high-quality software and drive continuous improvement.

Skills

C#

.NET Core

Blazor

AI tooling

EF Core

SQL Server

Azure Functions

Bootstrap

Playwright

CI/CD

GitHub Copilot

Tools

Playwright

Azure OpenAI Service

Azure AI Foundry

Artillery

JMeter

K6

Locust

Job description

What technical skills, experience and qualifications do you need?

• Design, develop, and maintain scalable, modular applications using C# and .NET Core.
• Build and enhance modern web applications using Blazor Server, Blazor WebAssembly, or similar front-end frameworks.
• Leverage AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude Code) to improve code quality, testing, refactoring, and development efficiency.
• Design and optimize data models, database schemas, and application performance using Entity Framework Core and SQL Server.
• Develop and maintain serverless solutions using Azure Functions or comparable technologies.
• Create responsive and user-friendly interfaces using Bootstrap or similar CSS frameworks.
• Translate business requirements into scalable, maintainable technical solutions within Agile development teams.
• Design, build, and support AI-enabled applications, agents, and intelligent workflows.
• Evaluate, implement, and optimize AI-augmented software development lifecycle (SDLC) practices.
• Develop and maintain automated testing solutions for UI, API, and database validation using Playwright and related technologies.
• Participate in sprint planning, code reviews, testing, CI/CD processes, and collaborative software delivery activities.
• Troubleshoot application, performance, and testing issues, including test reliability and automation framework improvements.
• Collaborate with cross-functional teams to deliver high-quality software and drive continuous improvement initiatives.

Core Development & SDLC:

• Experience with LLM architecture, prompt engineering, RAG, semantic search, vector databases, and agentic AI patterns
• Hands-on experience building AI agents or AI-enabled workflows for development, QA, performance testing, or security automation
• Strong knowledge of Azure AI Foundry, Azure OpenAI Service, and modern AI/ML frameworks
• Ability to design and optimize AI-augmented SDLC workflows with measurable efficiency gains
• Ability to build and incorporate AI-enabled, streamlined platform workflows
• Familiarity with AI-assisted documentation practices and the ability to evaluate AI-generated output, including awareness of model limitations and risks

Test Automation & Quality Engineering:

• Experience with test parallelization, test-data management, and flaky-test triage
• Preferred: proficiency with Playwright for UI, API, and database testing, including mocking
• Preferred: experience with performance-testing tools such as Artillery, JMeter, K6, or Locust
• Preferred: experience in a risk-based, automation-first engineering environment

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.