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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Developer (AI) - **Company:** Infostretch Corporation - **Location:** Mechanicsburg, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Application Performance Management, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Code Generation, Code Review, Continuous Integration, Data Validation, Cursor, DevOps, Programming Tools, Github, Design of User Interfaces, Human-Computer Interaction, Key Management, NoSQL, OAuth, OpenID, Open Web Application Security, Performance Tuning, Swagger, Software Engineering, Management of Software Versions, Openapi, Enterprise Software Applications, Okta, Blazor, Claude Code, Prompt Engineering, Indexer, AI Coding Agents, Xunit, Integration Tests, Information Technology, Cosmos DB, Claude, Virtual Agents, Restful APIs, Model Context Protocol, Key Vault, Web Api - **Published:** November 13, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-developer-ai-mechanicsburg-pa--2814e25e-0d55-494c-9b2d-ccd0b19d9fb6 ## About the Role Artificial Intelligence (AI), Business Transformation, Biology, DevOps, Quality Engineering, User Interface/Experience (UI/UX), Internet of Things, Artificial Intelligence (AI), Software Development, Healthcare, We are seeking experienced Senior AI Developers with strong C#/.NET development expertise and hands-on experience using AI coding assistants and agents such as Claude and Cursor in production environments. The ideal candidates will bring expertise in Microsoft Blazor, ASP.NET Core Web API, Azure Cosmos DB, and Okta integration. This role focuses on validating AI-generated code, maintaining engineering quality and security standards, designing scalable APIs and data models, and building enterprise applications using Blazor and .NET. Candidates should be capable of working independently as senior contributors or technical leads, collaborating with product owners, architects, and security teams., * 8+ years of professional software development experience, including at least 5 years of senior-level C#/.NET development. * Proven ability to deliver independently as a senior contributor or technical lead. * Microsoft Blazor Server and/or WebAssembly, including component design, state management, and performance optimization. * REST API design and development using ASP.NET Core Web API, including versioning, error handling, and OpenAPI/Swagger. * Azure Cosmos DB (NoSQL), including data modeling, partition keys, RU optimization, indexing, and change feed. * Okta integration, including SSO, OIDC/OAuth 2.0, token handling, and role-based or claim-based authorization. * Hands-on experience using AI coding assistants and agents such as Claude, Cursor, or similar tools in production workflows. * Strong code review skills, including identifying subtle bugs, security vulnerabilities, hallucinated APIs, and over-engineered code. * Knowledge of security best practices, including OWASP, secrets management, and input validation. Preferred Skills * Prompt engineering and AI agent workflow design, including rules files, context management, and tool usage. * Experience with the Claude API or Model Context Protocol (MCP). * CI/CD experience with Azure DevOps or GitHub Actions. * Automated testing experience using xUnit, bUnit, and integration testing. * Experience with Azure services such as App Service, Key Vault, and Application Insights. * Experience building internal developer tools or platforms. Nice to Have: Claude Certifications Candidates holding any of the following certifications or course certificates will be viewed favorably: * Claude Certified Architect (Foundations or Professional). * Claude Certified Developer or Claude Certified Associate. * Anthropic Academy course certificates, such as Building with the Claude API, Introduction to Model Context Protocol, Claude Code, or AI Fluency., Bachelor's degree in Computer Science, Information Technology, Engineering, Business Administration, or a related field is preferred. ## Description * Review and validate AI-generated code and other outputs from tools such as Claude and Cursor for correctness, security, performance, and maintainability. * Determine whether AI-generated outputs should be approved, refactored, discarded, or escalated for human or specialist review. * Define and refine review criteria, guardrails, and quality checks for AI-generated outputs. * Design and optimize Azure Cosmos DB data models, partitioning strategies, and queries. * Build and secure REST APIs, integrating authentication and authorization through Okta using OIDC/OAuth 2.0. * Develop effective prompts and agent instructions, and provide feedback to improve AI output quality. * Document technical decisions, reusable patterns, and review criteria to ensure knowledge transfer and continuity. * Collaborate with product owners, architects, and security teams. * Design, develop, and maintain application features using Blazor, .NET, and REST APIs., Please Note: Apexon never asks candidates to make payments at any stage of the hiring process, including interviews, offer letters, training or background verification. If you receive suspicious recruitment communications or payment requests from individuals claiming to represent Apexon, do not make any payment and report the communication to alert@apexon.com.