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Added 1 min ago
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Software Integration Engineer (SIE) Level 2
Wyetech
Annapolis Junction, MD
- $58.55 to $79.29 USD / hour
The Software Integration Engineer shall be responsible for the administration, maintenance, and operational support of the Platform-as-a-Service (PaaS) component of the CASA Compute…
Added 1 min ago
UG
Senior Release Train Engineer
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
As a Software Engineer/Release Train Engineer within Optum Technology's Enterprise Digital Experience Tech team, you will drive the end-to-end delivery, integration, and operational…
Added 2 mins ago
UG
Lead Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $112,700 to $193,200 USD / year
…that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve…
Added 3 mins ago
Principal Platform Engineer
ASRC Federal
Moorestown, NJ
ASRC Federal is a premier provider of systems engineering, software engineering, system integration, and project management services for real-time, mission-critical defense systems. We are…
Added 3 mins ago
Principal Space Systems Engineer
The MITRE Corporation
Albuquerque, NM · Bedford, MA · McLean, VA
The PNT, Waveforms, & Spectrum department is seeking a Principal Space Systems Engineer to serve as a senior technical authority and trusted advisor for complex national security challenges…
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Clearwater, FL
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Melbourne, FL
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Orlando, FL
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Tampa, FL
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Huntsville, AL
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Mobile, AL
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Overland Park, KS
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Wichita, KS
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
New Orleans, LA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Annapolis, MD
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Bethesda, MD
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Richmond, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Virginia Beach, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Charlottesville, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Blacksburg, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Ashburn, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Arlington, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Lansing, MI
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Grand Rapids, MI
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer
Added 4 mins ago
SS
Senior Software Test Engineer
Syms Strategic Group, LLC (SSG)
Detroit, MI
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer

Closed listing

Cognizant

Senior .NET Full Stack Engineer with C#

Springfield, IL, United States

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

This opening has closed.

The original listing is kept below for reference.

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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

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Original job description

Archived listing. The details below describe a past opening.

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

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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