Senior .NET Backend / API Integration Engineer Account

Account: Senior .NET Backend / API Integration Engineer – Conversational AI Orchestration 

Work Shift: Mid to Night shift (with at least 2 hours daily overlap with US Central Time)

Primary Responsibilities

Orchestration & Backend Architecture: Own the technical design and maintenance of backend services and routing layers using ASP.NET Core, and Entity Framework to manage multi-agent hand-offs during live calls.

API Development & Integration: Design, develop, secure, and maintain RESTful APIs, webhooks, and streaming interfaces for third-party conversational AI, IVR/contact center systems, and enterprise healthcare platforms.

Technical Leadership: Guide and mentor engineers, establish clean coding standards, lead code reviews, and partner with Solution Architects on design and estimations.

Security & Quality: Implement robust API security standards (OAuth 2.0, JWT), write scalable and well-documented code, drive unit testing, and maintain CI practices.

Production Support & Optimization: Troubleshoot complex production issues, perform root-cause analysis, and continuously optimize backend performance.

Must-Have Qualifications

Education & Experience: College graduate with a  minimum of 8+ years of software development experience using .NET technologies, with a strong emphasis on backend systems (non-negotiable).

Core Tech Stack: High proficiency in ASP.NET Core, Web API, Entity Framework, RESTful APIs, and microservices architecture.

Development Methodology: Hands-on experience with Agile/Scrum and AI-Driven Development Lifecycle (AIDLC) frameworks, utilizing AI-assisted tools (e.g., GitHub Copilot, Claude).

Orchestration & Security:  Proven expertise in designing routing/orchestration layers and implementing security protocols (OAuth 2.0, JWT, authentication/authorization).

Leadership: Demonstrated ability to lead development teams, set technical directions, and drive end-to-end technical delivery.

Nice-to-Have Skills

Integration experience with contact center/IVR platforms (call transfers, caller verification, live-agent hand-offs).

Experience integrating with LLMs/AI agent APIs and applying guardrails (e.g., Azure OpenAI, Semantic Kernel).

Familiarity with event-driven architectures using Azure Service Bus, Kafka, or equivalent messaging systems.