Senior .NET Full-Stack Architect & Tech Lead

Cognizant; Washington (District of Columbia); On-site; USD 100,000 - 163,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays + PTO

401(k) plan

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a .NET Full Stack Architect to design and deliver scalable, high-performance enterprise applications across cloud and on-premises environments. You will lead cross-functional teams in Washington, DC, and mentor developers, DevOps, and product teams to implement end-to-end solutions.

You will champion microservices, Azure adoption, and strong architectural decisions while collaborating with stakeholders to meet business goals.

Qualifications

• 15+ years of experience.
• Strong experience in .NET development, including .NET Core, C#, Web API, and microservices architecture.
• Front-end expertise in Angular (v9+), JavaScript/TypeScript, HTML5, CSS3, and modern UI frameworks.
• Hands-on experience with Azure cloud services (App Services, Functions, Azure SQL, Storage, Key Vault, Azure Active Directory).
• Experience designing and deploying applications using Docker and Kubernetes and DevOps pipelines.
• Solid understanding of SQL Server (queries, stored procedures, performance tuning, indexing).
• Experience with EF, ADO.NET, and modern data access patterns.
• Knowledge of application security, networking concepts (VNet, subnets, private endpoints), and secure authentication implementations.
• Proven ability to design scalable, high-performance solutions and drive technical architecture decisions.

Responsibilities

• Design and architect end-to-end solutions using Microsoft .NET technologies and modern front-end frameworks.
• Lead full-stack development across backend services, APIs, and responsive front-end applications.
• Define and implement scalable microservices architectures using containerization technologies.
• Drive cloud adoption and solution design using Microsoft Azure services.
• Provide technical leadership, best practices, and mentoring across development teams.

Job description

Cognizant is seeking a .NET Full Stack Architect to design and deliver scalable, high-performance enterprise applications across cloud and on-premises environments. You will lead cross-functional teams in Washington, DC, and mentor developers, DevOps, and product teams to implement end-to-end solutions.

You will champion microservices, Azure adoption, and strong architectural decisions while collaborating with stakeholders to meet business goals.