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Washington DC-Baltimore Area
Posted · 25.09.2026
LinkedIn Jobs US

# Senior .NET Full Stack Developer

Haystack

We are partnering with an innovative technology consulting firm that specialises in delivering agile, scalable talent solutions across IT, engineering, and life sciences for Fortune 500 companies and government agencies. This company is renowned for its commitment to quality, security, and operational excellence, helping organisations build high-performing teams while empowering professionals to grow rewarding careers. The Role Design and develop scalable web applications using React and .NET Core. Build and maintain RESTful APIs and microservices. Develop and optimize database solutions using SQL Server and Azure Cosmos DB. Integrate AI/Agentic AI capabilities into enterprise applications. Collaborate with cross-functional teams to deliver high-quality solutions. Implement security, performance tuning, and best coding practices. What You'll Need 7-9 years of software development experience. Proficiency in .NET Core / ASP.NET Core and C# Programming. Strong experience with React.js, JavaScript / TypeScript, and REST APIs Development. Expertise in Microservices Architecture, SQL Server, and Azure Cosmos DB. Hands-on experience with Microsoft Azure services (App Services, Functions, Storage, Key Vault, etc.) and Azure DevOps / CI-CD Pipelines. Experience with Agentic AI Development and AI Integration (LLMs, Azure OpenAI, Copilot Frameworks). What's On Offer Comprehensive benefits package including medical, dental, and vision insurance. 401(k) retirement plan and Health Savings Account (HSA). Opportunities for career growth and professional development. Paid Sick Leave (where required by law) and employee wellness programs. Apply via Haystack today!

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