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Added 2 mins ago
Senior Electrical Engineer
SAIC
Middletown, RI
Are you an Electrical Engineer looking to support an exciting Navy mission in our new state-of-the-art labs? Are you seeking long term career growth and a company that values work life…
Added 2 mins ago
Software Engineer
SAIC
Huntsville, AL
SAIC is seeking a Software Engineer to support the design, development, and integration of embedded software systems. The selected candidate will work across the software development…
Added 2 mins ago
Space Systems Engineer Internship
SAIC
Chantilly, VA
Analyze and research state-of-the-art system designs such as telescope image processing, laser communication links, radar systems, and antenna designs.
Added 3 mins ago
C
Lead Engineer
CREW
Brooklyn, NY
- $120,000 to $180,000 USD / year
CREW is looking for a Lead Engineer to be the technical authority for how our systems are designed, built, and delivered. You’ll own the process-mechanical and controls engineering behind…
Added 3 mins ago
VP TerraPod Modular Data Center Solutions
Workhorse
Wixom, MI
Establish product requirements, system architectures, development plans, and platform strategies that support scalable, customer-focused modular infrastructure solutions.
Added 3 mins ago
Simulation Engineer III - Material Handling Equipment (MHE)
KPI Solutions
Remote, United States
The Simulation Engineer III builds and validates discrete-event simulation and emulation models of automated material handling systems - conveyor and sortation, AS/RS and shuttle systems,…
Added 4 mins ago
Field Support Engineer - West
Mirion
NM · AZ · Las Vegas, NV · Albuquerque, NM · NV
Mirion Technologies is seeking a highly motivated Field Service Engineer who, with limited supervision, executes customer support activities involving the installation, modification and…
Added 4 mins ago
Mechanical Engineer I
Quanta Power Solutions, LLC
Birmingham, AL
Quanta Power Solutions is seeking a motivated Mechanical Engineer I to support the design and development of mechanical systems for power generation, renewable energy, battery energy…
Added 5 mins ago
Lead Applied AI Engineer
STR
Woburn, MA · Arlington, VA
As a Lead Applied AI Engineer, you will lead the technical development and delivery of RF AI/ML-based tools, algorithms, and software integrated with physical hardware, sensors, and…
Added 5 mins ago
Lead Applied AI Engineer
STR
Arlington, VA · Woburn, MA
As a Lead Applied AI Engineer, you will lead the technical development and delivery of RF AI/ML-based tools, algorithms, and software integrated with physical hardware, sensors, and…
Added 5 mins ago
Senior Endpoint Engineer
CACI
Arlington, VA · Arlington
CACI is seeking a Senior Endpoint Engineer to join our team on a contract supporting the Department of Homeland Security. As a Senior Endpoint Engineer, you will be part of a dynamic team…
Added 5 mins ago
Senior Endpoint Engineer
CACI
Arlington, VA · Arlington
CACI is seeking a Senior Endpoint Engineer to join our team on a contract supporting the Department of Homeland Security. As a Senior Endpoint Engineer, you will be part of a dynamic team…
Added 5 mins ago
Senior Endpoint Engineer
CACI
Arlington, VA · Arlington
CACI is seeking a Senior Endpoint Engineer to join our team on a contract supporting the Department of Homeland Security. As a Senior Endpoint Engineer, you will be part of a dynamic team…
Added 6 mins ago
Engineer, Software Engineering
Flagship Pioneering, Inc.
Cambridge, MA
FL103 is seeking an Engineer, Software Development to help design and evolve our biological research platform. The successful candidate will work with the computational modeling and…
Added 6 mins ago
Commercial Destinations Office - Systems Engineer
Barrios Technology
Houston, TX
Exciting opportunities and partnerships shaping the future of space exploration have created a need a Systems Engineer at Barrios Technology. The successful candidate will support the…
Added 6 mins ago
KI
Mechanical Engineer III, Commercial Building Design
KBH Industrial
Richland, WA
- $62.66 to $85.68 USD / hour
We are seeking a Mechanical Engineer III, Commercial Building Design to join our team. In this role, you will be responsible for the mechanical design of medium and large commercial…
Added 6 mins ago
RU
Full Stack Engineer (50/50 or 60/40 split)
Randstad USA
Roanoke, TX
- $71 to $72 USD / hour
Deep understanding and experience of version control system management using various Git workflows.
Added 7 mins ago
Specialist, Manufacturing Engineer
L3Harris Technologies
Waco, TX
Job Title: Specialist, Manufacturing Engineer (Industrial)
Added 7 mins ago
Specialist, Software Engineer
L3Harris Technologies
Greenville, TX
…the interfaces between software, hardware, and the overall system. Working under general supervision, the engineer contributes to program cost, schedule, and technical commitments and may…
Added 7 mins ago
Supply Chain Engineer III
NFI Industries
Irving, TX
The Supply Chain Engineer III will manage the development of engineering analysis and implementation of engineering projects to direct ongoing continuous improvement and solve supply chain…
Added 7 mins ago
Senior Network Software Engineer
Leidos
Scott Air Force Base, IL
…(GSMO-II) contract has an opening for a Senior Network Software Engineer located in the Scott AFB, IL area. The Senior Network Software Engineer will support the development and release of…
Added 7 mins ago
L
Legal Engineer
Lawhive
AZ · Austin, TX · New York City, NY
- £190,000 to £270,000 GBP / year
Lawhive is a global, AI-native law firm. Operating in the US and UK, we’ve built our own agentic operating system for legal services.
Added 7 mins ago
Software Engineering & AI Intern
Leidos
Scott Air Force Base, IL
…Maintenance, Repair, and Defense of the Defense Information System Network (DISN) in support of the Defense Information Systems Agency (DISA). This role is primarily remote, with mandatory,…
Added 7 mins ago
Chief Test Engineer - Non Nuclear Test - Virginia Class
General Dynamics Electric Boat
Groton, CT
The Shipyard Test Organization is seeking a highly motivated and engaged Chief Test Engineer to oversee the entirety of the STO test sequencing and execution for a new construction Virginia…
Added 8 mins ago
C
Building Engineer
CBRE
East St Louis, IL · Cahokia, IL · Granite City, IL
- $50,000 USD / year
As a CBRE Building Engineer, you will be responsible for monitoring, maintaining and repairing building system operations and the performance of various areas including plumbing,…

Closed listing

Cognizant

Senior Full Stack Engineer – .NET & 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 Full Stack Engineer – .NET & 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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