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Senior .NET Full Stack Developer – C#
Cognizant
Jackson, MS
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Developer – C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added just now
C
GCP data Engineer
Cognizant
Jackson, MS
- $100,000 to $120,000 USD / year
Support API-based integrations across enterprise applications and data platforms.
Added just now
HL7 Healthcare Integration Lead/Manager - Onsite
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…Prior Authorization) final rules, including all applicable FHIR API implementation…
Added 14 mins ago
Software Engineer
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…should have well-formed opinions about application architecture, API design, state management, and testing strategies, backed by real-world experience. We value team members who can…
Added 18 mins ago
AE
Software Engineer III - Java/ Go - GNST
American Express
Phoenix, AZ
- $103,750 to $174,750 USD / year
You will be a core member of an agile team driving the latest development practices, writing code and unit tests, working with API specs and automation.
Added 18 mins ago
C
Senior .NET Full Stack Developer – C#
Cognizant
Phoenix, AZ
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Developer – C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 18 mins ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Phoenix, AZ
- $86,000 to $99,000 USD / year
Troubleshoot complex production issues across front-end, back-end, API, and database layers while improving application performance, availability, and response times.
Added 18 mins ago
C
Senior .NET Full Stack Engineer with C#
Cognizant
Phoenix, AZ
- $86,000 to $99,000 USD / year
Troubleshoot complex production issues across front-end, back-end, API, and database layers while improving application performance, availability, and response times.
Added 18 mins ago
C
GCP data Engineer
Cognizant
Phoenix, AZ
- $100,000 to $120,000 USD / year
Support API-based integrations across enterprise applications and data platforms.
Added 18 mins ago
Engineer II, Google Cloud
PwC
Phoenix, AZ
Python programming, prompt engineering, and API integration experience
Added 21 mins ago
J
Senior Software Engineer
Jobot
New York, NY
- $150,000 to $200,000 USD / year
Design and build developer-facing portals and partner APIs to support customer integrations.
Added 21 mins ago
J
Senior Software Engineer
Jobot
San Francisco, CA
- $150,000 to $200,000 USD / year
Design and build developer-facing portals and partner APIs to support customer integrations.
Added 28 mins ago
IG
UI/UX Developer
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Greenwood Village, CO
- $70 to $77 USD / hour
A client of Insight Global is seeking a UI/UX Developer to support a Data Center Knowledge Management (DCKM) Solutions team. This individual will play a critical role in designing and…
Added 28 mins ago
SoftwareEngineer - Applied Research & Technology
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…TypeScript) for edge devices, middleware microservices, and API…
Added 28 mins ago
Senior Research Associate, Chemical Development
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…and implementation of bulk manufacturing of oligonucleotide API. Provides excellent customer service and builds strong working relationships within Chemical Development and…
Added 28 mins ago
Lead Product Manager - Ethernet Network
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Working knowledge of Ethernet services and network technologies, with the technical aptitude to evaluate product, platform, API, operational, and architectural trade-offs.
Added 28 mins ago
ServiceNow Engineer
ASM Research, An Accenture Federal Services Company
Denver, CO
ServiceNow Certified Application Developer (CAD) or Certified Implementation Specialist (CIS) certification
Added 28 mins ago
Intune Team Lead/SME
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Added 28 mins ago
Intermediate Full Stack Developer
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Added 28 mins ago
Senior Finance Cloud Applications Analyst - EPM
Highmark Health
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Added 28 mins ago
C
Senior .NET Full Stack Developer – C#
Cognizant
Denver, CO
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Developer – C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 28 mins ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Denver, CO
- $86,000 to $99,000 USD / year
Troubleshoot complex production issues across front-end, back-end, API, and database layers while improving application performance, availability, and response times.
Added 28 mins ago
C
Senior .NET Full Stack Engineer with C#
Cognizant
Denver, CO
- $86,000 to $99,000 USD / year
Troubleshoot complex production issues across front-end, back-end, API, and database layers while improving application performance, availability, and response times.
Added 28 mins ago
C
Senior Java Full Stack Engineer – Spring Boot & AWS
Cognizant
Denver, CO
- $86,000 to $99,000 USD / year
Added 40 mins ago
T
Principal AI Architect
TEKsystems
Dallas, TX
- $190,600 to $286,000 USD / year

Cognizant

Senior .NET Full Stack Developer – C#

Phoenix, AZ, United States

$86,000 to $99,000 USD / year

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Job details

Pay: $86,000 to $99,000 USD / year
Experience: 7+ years of software development experience , including strong hands-on experience with Java/J2EE and Spring Boot .
Posting language: English
Posted: Nov 8, 2026

Original job description

About the role

As a Senior .NET Full Stack Developer – 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

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

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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