About the Client NMFTA (National Motor Freight Traffic Association) is a U.S.-based organization that supports the transportation and logistics industry through standards, technology, and data-driven solutions. NMFTA is actively modernizing its cloud infrastructure and expanding its AI-driven capabilities. Role Overview NMFTA is seeking a true senior-level Software Developer with 10+ years of professional experience , capable of operating at or near an architect-level. This role goes beyond feature development and requires deep technical judgment, cloud expertise, and hands-on experience implementing AI solutions in production environments. The ideal candidate brings years of real-world experience, recognizes patterns and anti-patterns, anticipates risks, and helps guide technical decisions in complex cloud-based systems. Key Responsibilities Design, build, and maintain scalable backend systems using C#, .NET, SQL Server, and MongoDB Lead or strongly influence technical decisions in cloud-native architectures Develop, deploy, and optimize solutions on Microsoft Azure Build and maintain event-driven and distributed systems Implement and integrate AI-powered features into backend systems Collaborate closely with architects, product, QA, and cross-functional stakeholders Troubleshoot complex production issues and perform root-cause analysis Support DevOps and CI/CD pipelines, deployments, monitoring, and optimization Participate actively in Agile/Scrum ceremonies and technical planning Apply best practices to prevent technical debt, performance issues, and costly rework Must-Have Requirements 10+ years of professional software development experience (non-negotiable) Ability to operate at or near architect-level , not just senior execution Deep expertise in Microsoft Azure , including: Azure Functions, App Services Event-driven architecture Service Bus, Queues, Storage Application Insights, monitoring, and cost optimization Strong experience with C# / .NET (including .NET Core and multiple versions) Strong experience with SQL Server Strong experience with MongoDB / NoSQL databases Solid experience with DevOps & CI/CD (Azure DevOps preferred; GitHub Actions acceptable) Hands-on AI implementation experience , such as: Azure AI Services / Cognitive Services OpenAI integrations in backend systems Natural Language Processing (NLP) Data classification, intelligent search, automated decision systems AI agents or internal productivity tools ⚠️ Using ChatGPT or Copilot as a user does NOT count as AI experience Strong analytical, troubleshooting, and problem-solving skills Experience working in Agile/Scrum teams Advanced English proficiency (spoken and written) Strong communication and cross-functional collaboration skills Nice to Have Front-end experience with Angular or React Experience developing or contributing to mobile applications Experience with Power BI Familiarity with Jira, Confluence, and SharePoint ⚠️ Applicants without hands-on Azure and AI implementation experience will not be considered.