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Senior .NET Full Stack Developer

Cognizant
Full TimeseniorHybrid
Washington, District of Columbia, USPosted February 26, 2026

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JavaScriptTypeScriptSQLCSSAngularBootstrapAzureDockerPostgreSQLRESTDevOpsMicroservicesAPI

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Job Description

As a Senior .NET Full Stack Developer with at least 12+ years of experience, you will make an impact by designing and developing scalable, cloud-native applications and microservices using modern technologies. You will be a valued member of the Technology & Engineering team and collaborate closely with architects, DevOps engineers, and front-end developers to deliver high-quality solutions.

In this role, you will:

· Build scalable APIs and microservices using.NET Core (.NET 8) with clean architecture and dependency injection.

· Develop backend components using C# (C# 12), leveraging object-oriented programming, LINQ, and async/await.

· Design and optimize complex queries, stored procedures, and data models in SQL Server and PostgreSQL.

· Create dynamic front-end applications using Angular (Angular 9+), including reactive forms, RxJS, and NgRx for state management.

· Domian knowledge with Loan/Lending Design compute architectures that optimize resource utilization, minimize latency, and enhance overall system performance.

· Be capable of designed transactional compute patterns with compensation patterns Explore serverless computing options (Azure Functions, Logic Apps, etc.) for event-driven workloads.

· Design event-driven workflows that respond dynamically to triggers. Leverage Azure Event Grid and Azure Event Hubs.

· Design compute workloads utilizing networking components and micro segmentation Familiarity with IAM, Azure Policy and Private Link configuration Provide a long-term vision for the platform, considering changes in technology within the context of ITS current implementation and our feature roadmap.

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Washington, DC.

Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

What you need to have to be considered

· The candidate must have minimum 12+ years of hands-on experience, in-depth knowledge of programming in the Microsoft .NET Core framework, Windows Applications, Console Application, C# & VB.NET Class Libraries, Microsoft SQL Server 2008/2012 - SQL queries, Stored Procedures, Views, Triggers, Linked Server, SQL Server Reporting Services (SSRS), Query Optimization, Indexes, Performance Tuning, data import/export and should be able to hit the ground running.

· Strong hands-on in .NET development areas like Web API, Microservices with docker based container development and also experience in hosting apps and managing the infrastructure both in on-premises and Azure cloud with DevOps knowledge to setup Build or release pipeline and managing the code repository, Security concepts like V-net, sub-net and private endpoint.

· Must have expert-level expertise on front end development using Angular 9+, HTML5, CSS 3, Bootstrap/Material, JavaScript, DOM, TypeScript, JS / TS (Advanced), Micro Front End, Common Component Development/Design System, Angular Elements, Reactive Forms, RXJS and library development expertise., App Security, Performance optimization, etc

These will help you stand out

· Knowledge in SCSS, RWD, Rest API,, Micro Front End, Common Component Development/Design System, External Plugins – Charts & Data Grids, Exporting to Excel/PDF, Rich Text Editors,

Salary and Other Compensation:

The annual salary for this position is between $81,337- $141,500 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

· Medical/Dental/Vision/Life Insurance

· Paid holidays plus Paid Time Off

· 401(k) plan and contributions

· Long-term/Short-term Disability

· Paid Parental Leave

· Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

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