Senior .NET Full Stack Engineer with C#

Cognizant

Norfolk (VA)

Remote

USD 86,000 - 99,000

Full time

2 days ago

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Benefits offered by this job

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

Job summary

Cognizant Technology Solutions Corporation seeks a Senior .NET Full Stack Engineer with C# to design and develop scalable healthcare payer applications. You will work across Java, Spring Boot, .NET, Node.js, React, and Angular, building secure REST APIs and microservices deployed on Microsoft Azure.

You will collaborate with architects, product owners, and QA to deliver reliable releases, troubleshoot complex issues, and document designs and data flows for long-term maintainability.

Qualifications

Bachelor’s degree in computer science, Information Technology, Engineering, or a related field.
7+ years of software development experience with Java/J2EE and Spring Boot.
Advanced proficiency in .NET Framework and C#, with experience developing scalable enterprise applications.
Hands-on experience developing APIs, event-driven services, and middleware components using Node.js, REST APIs, and microservices.

Responsibilities

Design, develop, and maintain scalable enterprise applications.
Build secure, reusable microservices and REST APIs.
Create intuitive UIs for operations teams, providers, and members.
Integrate with Azure services for hosting, identity management, monitoring, and observability.
Collaborate with cross-functional teams to translate healthcare payer requirements into technical designs.
Conduct code reviews, unit testing, and integration testing.
Troubleshoot production issues across frontend, backend, API, and database layers.
Document technical designs, data flows, integration patterns, and business rules.

Skills

Java/J2EE and Spring Boot

REST APIs

Node.js

React

Angular

.NET Framework

Azure

Microservices

Software design

Education

Bachelor’s degree in computer science, Information Technology, Engineering, or a related field

Tools

Azure

Job description

About the role

As a Senior .NET Full Stack Engineer with C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including eligibility, benefits, claims adjudication, billing, and provider services.

You will be a valued member of the application development team and work collaboratively with architects, product owners, business analysts, quality engineers, and other technology stakeholders to deliver secure, reliable, and high-performing solutions.

In this role, you will

Design, develop, and maintain scalable enterprise applications using Java, Spring Boot, .NET Framework, C#, Node.js, React, and Angular to support healthcare payer workflows and claims processing.

Develop secure, reusable microservices and REST APIs that enable seamless integration among internal applications, provider networks, third-party vendors, and external healthcare platforms.

Build intuitive and responsive user interfaces that simplify workflows for operations teams, providers, and members while improving data accuracy and user experience.

Integrate applications with Microsoft Azure services for application hosting, data storage, identity management, monitoring, observability, and performance optimization.

Collaborate with cross-functional product and business teams to translate healthcare payer requirements into technical designs that improve operational efficiency, regulatory compliance, and system reliability.

Conduct code reviews, unit testing, and integration testing across Java, .NET, and JavaScript codebases to reduce defects and support stable production releases.

Troubleshoot complex production issues across front-end, back-end, API, and database layers while improving application performance, availability, and response times.

Document technical designs, application data flows, integration patterns, and healthcare payer business rules to support knowledge sharing and long-term maintainability.

Work model

We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a Remote position open to qualified applicants in the United States. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.

What you need to have to be considered

Bachelor’s degree in computer science, Information Technology, Engineering, or a related field.

7+ years of software development experience, including strong hands‑on experience with Java/J2EE and Spring Boot.

Advanced proficiency in .NET Framework and C#, with experience developing scalable and maintainable enterprise applications.

Hands‑on experience developing APIs, event‑driven services, and middleware components using Node.js, REST APIs, and microservices architecture.

Strong front‑end development experience using React and Angular to build responsive enterprise web applications.

Experience designing, implementing, and supporting microservices‑based applications, including modular deployment, fault isolation, integration, and continuous delivery.

Working knowledge of Microsoft Azure, including application deployment, monitoring, identity management, containerization, scalability, and observability.

Understanding of healthcare payer processes such as eligibility, benefits, claims adjudication, billing, member services, and provider contracting.

Strong analytical, problem‑solving, and communication skills, with the ability to collaborate effectively with architects, business analysts, product teams, and quality engineers.

These will help you stand out

Experience developing high‑volume applications that process healthcare claims, eligibility, benefits, or member data.

Knowledge of healthcare data security, privacy, authentication, authorization, logging, and regulatory compliance requirements.

Experience in implementing containerized applications and continuous integration and continuous delivery practices in Microsoft Azure.

Ability to troubleshoot complex production issues across front‑end, back‑end, API, cloud, and database layers.

Experience documenting healthcare payer business rules, technical designs, integration patterns, and application data flows.

We’re excited to meet people who share our mission and can make an impact in a variety of ways. Don’t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary and Other Compensation

The annual salary for this position is between $86,000 to $99,000 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