Software Engineer (.NET Core)

Cognizant; Hartford (CT); Hybrid; USD 46,000 - 75,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

401(k) plan and contributions

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant in the United States is seeking a software engineer with 4–6 years of experience to build secure, scalable provider-domain applications using ASP.NET Core and C#. The role supports hybrid work and requires designing robust services and web interfaces to back enterprise clients in a day-shift environment.

You will collaborate with product owners, refactor existing solutions, implement API services, optimize data access, and contribute to CI/CD with unit and integration tests.

Qualifications

• 4–6 years of hands-on experience building secure, scalable apps with ASP.NET Core and C#.
• Strong proficiency with Entity Framework and ADO.NET for data access.
• Experience designing and consuming ASP.NET Core Web API services for enterprise integrations.
• Solid SQL skills and relational database design.
• Knowledge of hybrid cloud/enterprise architectures and CI/CD practices.
• Familiarity with provider domain concepts is a plus.
• Experience in code reviews and maintaining coding standards.
• Ability to write unit and integration tests for .NET applications.
• Strong communication and collaboration in cross-functional teams.

Responsibilities

• Design and develop provider domain applications using ASP.NET Core MVC and C# to deliver enterprise functionality.
• Implement data access layers with EF and ADO.NET to ensure data integrity.
• Create secure ASP.NET Core Web API services for internal and partner integrations.
• Optimize SQL queries and database structures for performance and scalability.
• Collaborate with product owners to translate requirements into technical designs.
• Review and refactor existing .NET solutions to improve maintainability and reduce tech debt.
• Participate in code reviews and uphold best practices across the team.
• Develop unit and integration tests to support CI pipelines.
• Work with QA to analyze defects and improve application stability in hybrid environments.
• Document designs, API contracts, and deployment procedures.
• Coordinate with DevOps for deployment and monitoring of .NET apps.
• Investigate production incidents and communicate resolutions.
• Contribute to continuous improvement initiatives for provider solutions.

Skills

ASP.NET Core

ASP.NET MVC

C# .NET

Entity Framework

SQL

Unit Testing

Tools

ADO.NET

Job description

Job Summary

Contribute as a software engineer with four to six years of experience building secure and scalable applications using modern net technologies for provider domain solutions in a hybrid work model. Design and implement robust services and web interfaces using asp net core and related frameworks to support critical provider workflows and data integrity for enterprise clients in a day shift environment.

Responsibilities

• Design and develop high quality provider domain applications using asp net core mvc and c sharp net that deliver reliable business functionality for enterprise stakeholders and operational teams
• Implement efficient data access layers with entity framework and ado net that ensure consistent data integrity for provider records and transactional workflows across complex systems
• Create secure and well structured asp net core web api services that enable seamless integration between internal platforms and external partner systems supporting provider information exchanges
• Optimize sql queries and database structures to improve performance scalability and responsiveness of provider data operations while maintaining strong reliability in production environments
• Collaborate with product owners and business analysts to translate provider domain requirements into clear technical designs that align with organizational goals and deliver measurable outcomes
• Review existing net core solutions and refactor components to enhance maintainability testability and adherence to coding standards while minimizing technical debt across projects
• Participate in code reviews and provide constructive feedback to peers to uphold best practices in net programming c sharp net and ensure consistent quality across the engineering team
• Develop and maintain unit tests and integration tests for asp net applications and services to support continuous integration pipelines and reduce regression risks during frequent releases
• Work closely with quality assurance teams to analyze defects resolve root causes and improve application stability for provider workflows and user experiences in hybrid work arrangements
• Document technical designs api contracts and deployment procedures in a clear and structured manner to support ongoing maintenance knowledge sharing and onboarding within the organization
• Coordinate with infrastructure and devops teams to support deployment configuration and monitoring of net core applications ensuring reliable operations within day shift coverage windows
• Investigate and resolve production incidents related to provider applications by performing structured analysis implementing fixes and communicating outcomes to relevant stakeholders
• Contribute to continuous improvement initiatives by proposing enhancements to architecture tools and development processes that strengthen provider solutions and create positive impact for clients and society

Qualifications

• Possess four to six years of hands on experience in designing and building applications using asp net core asp net mvc and c sharp net with a strong focus on robustness and scalability
• Demonstrate solid proficiency in entity framework and ado net for managing complex data models and transactional operations particularly in provider related business scenarios
• Show strong skills in implementing and consuming asp net core web api services including authentication validation and error handling suited for enterprise grade integrations
• Exhibit practical experience in writing and optimizing sql queries as well as understanding relational database design to support efficient provider data management
• Bring applied knowledge of net core application architecture including modular design dependency injection and configuration management in hybrid working environments
• Apply sound understanding of provider domain concepts such as provider data management eligibility and enrollment to design solutions that meet regulatory and business expectations
• Utilize good problem solving capabilities and debugging techniques to analyze issues across application layers and deliver timely resolutions that preserve user trust and system stability
• Display familiarity with agile development practices including iterative delivery backlog refinement and collaboration with cross functional teams to meet project commitments
• Maintain clear and concise technical documentation and communication skills that support teamwork transparency and effective coordination in a hybrid work model

Salary And Other Compensation

The annual salary for this position is between $46K — $75K 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

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.

Important Disclaimers

Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs. Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future. Application Deadline Applications for this position will be accepted until 9/24/2026. Candidates are encouraged to apply as early as possible, as the posting may close sooner if a sufficient pool of qualified applicants is identified.