Senior Full Stack Engineer (.NET & AWS)

About the Role

We are seeking a highly experienced Senior Software Engineer with deep expertise in .NET technologies and AWS cloud services. This role is ideal for a seasoned professional with a proven track record in designing scalable software systems, mentoring engineering teams, and driving innovation in cloud-native environments.

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 some days a week in a client or Cognizant office in Fort Mill South Carolina. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

Key Responsibilities

• Design, develop, and maintain high-quality software solutions using C#, .NET Framework, .NET Core, and MS SQL Server.
• Architect and optimize database solutions on SQL Server in collaboration with cross-functional teams.
• Integrate and scale applications using AWS services including EC2, Lambda, CloudFront, and EKS.
• Implement microservices architecture and containerization using Docker and Kubernetes.
• Conduct code reviews, enforce best practices, and ensure adherence to security and compliance standards.
• Lead troubleshooting efforts for complex technical issues to ensure system reliability and performance.
• Drive full software development lifecycle: requirements gathering, design, development, testing, deployment, and maintenance.
• Build and maintain automated testing frameworks to enhance software quality and reduce manual effort.
• Mentor junior engineers and foster a culture of continuous learning and technical excellence.
• Collaborate with stakeholders to translate business requirements into scalable technical solutions.
• Author and maintain technical documentation for internal and external use.
• Champion innovation by evaluating and proposing new tools, frameworks, and technologies.

Required Qualifications

• 12+ years of overall software development experience.
• 10+ years of hands-on experience with .NET Core and MS SQL Server.
• 8+ years of experience designing and deploying microservices in AWS.
• 5+ years of experience with Docker containers and Kubernetes orchestration.
• 3+ years of experience with AWS EKS.
• 2+ years of experience with Terraform, Kafka, AWS Lambda, and AWS CloudFront.
• Strong understanding of cloud architecture, CI/CD pipelines, and DevOps practices.
• Excellent communication and leadership skills with a passion for mentoring and team development.

Preferred Qualifications

• AWS certifications (Solutions Architect, DevOps Engineer, etc.)
• Experience with Agile methodologies and tools (JIRA, Confluence).
• Exposure to enterprise-scale systems and high-availability architectures.

Salary and Other Compensation:

The annual salary for this position is between 120,500 - 141,500k 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.

Why Join Cognizant?

• Be part of a global team driving digital transformation.
• Work with cutting-edge technologies in a collaborative, inclusive environment.
• Access continuous learning opportunities and career advancement programs.
• Enjoy competitive compensation, benefits, and a culture that values innovation and integrity.