About the role

As a .NET Lead w/ AWS you will make an impact by designing and delivering scalable, modern web applications that support critical business initiatives. You will be a valued member of the engineering team, working collaboratively with product owners, solution architects, UX designers, quality assurance teams, and backend developers to build innovative, high-performing technology solutions.

In this role, you will:

• Architect, design, and develop modern, responsive web applications using React.js, C#, .NET Core, AWS services, and PostgreSQL.
• Lead the development of reusable UI components, promote responsive design standards, and drive adoption of front-end engineering best practices.
• Integrate, troubleshoot, and optimize REST APIs to enable seamless communication between applications and backend services.
• Provide technical leadership through architecture reviews, code reviews, mentoring, and guidance to engineering teams.
• Collaborate with cross-functional stakeholders to translate business requirements into scalable, secure, and maintainable technical solutions.
• Support application performance, accessibility, browser compatibility, deployment readiness, and production issue resolution.
• Manage source code and development workflows using GitHub, including branching strategies, pull requests, and version control best practices.

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring up to 3 days per week in a client or Cognizant office in Hartford ,CT. 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.

Cognizant cannot provide sponsorship for this role now or in the future.

What you need to have to be considered

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience.
• Extensive hands-on experience with React.js, C#, .NET Core, AWS, PostgreSQL, and modern application development practices.
• Strong experience designing and consuming REST APIs, including authentication, error handling, JSON payloads, and API-driven application development.
• Solid knowledge of PostgreSQL, including query optimization, data validation, joins, indexing concepts, and performance-focused data access.
• Proven experience with GitHub-based source control, pull requests, code reviews, and branching strategies.
• Strong understanding of responsive web design, accessibility standards, cross-browser compatibility, and mobile-first development.
• Demonstrated ability to lead technical discussions, mentor development teams, and solve complex technical challenges.
• Excellent communication and stakeholder management skills across both technical and business audiences.

These will help you stand out

• Experience designing cloud-native applications and architectures on AWS.
• Strong understanding of application performance tuning and scalability best practices.
• Experience working within Agile software development environments.
• Knowledge of CI/CD pipelines, automated testing, and DevOps practices.
• Experience collaborating across globally distributed engineering teams.

Salary and Other Compensation:

Applications will be accepted until September 27th, 2026.

The annual salary for this position is between $ 103,821 to $187,500 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: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

• 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

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information
Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com for roles based in the Americas or CareersIndia2@cognizant.com for roles based in India.