Senior .NET API Developer / Integration Architect — Washington, DC

Job Title: Senior .NET API Developer / Integration Architect

Work Location: Remote

Position Overview

The Senior .NET API Developer / Integration Architect is a senior technical specialist responsible for designing, developing, and managing secure enterprise integration services connecting Enterprise Application Services (EAS) with external vendor platforms across State systems.

This role also serves as the technical lead responsible for translating business and architectural requirements into Azure DevOps (ADO) Epics, Features, Capabilities, and User Stories, ensuring backlog readiness and sprint execution across the integration platform.

This role focuses on modernizing legacy integration architectures into cloud-native, scalable RESTful API services using .NET 8, •••••••• Core, and Azure API Management (APIM). The position combines deep hands on development expertise with strong architecture, security, and governance capabilities to ensure enterprise integrations are secure, compliant, reliable, and scalable.

The role requires close collaboration with enterprise architects, DevOps teams, identity management teams, and external vendor partners to implement modern integration patterns while ensuring compliance with State architectural standards, secure coding practices, SOC compliance requirements, and enterprise DevOps frameworks.

Required Qualifications

• 10+ years of software engineering experience with at least 5 years designing and delivering enterprise cloud-native API and integration solutions on Microsoft Azure.

• Demonstrated experience creating and managing Agile backlogs, writing technical user stories, defining acceptance criteria, and leading sprint execution.

• Extensive experience designing and developing enterprise-grade RESTful APIs using .NET technologies.

• Strong proficiency in C#, •••••••• Core, and modern .NET development frameworks.

• Demonstrated experience implementing enterprise API gateways using Azure API Management.

• Hands-on experience building secure integration services connecting cloud and on-premises systems.

• Strong experience with DevOps automation, CI/CD pipelines, and Git-based version control workflows.

• Solid understanding of secure coding practices, identity management frameworks, and API security standards.

• Proven ability to produce technical documentation, architecture diagrams, and integration specifications.

• Strong communication skills with the ability to collaborate effectively with architects, engineers, and business stakeholders.