Full stack C#/.Net Experience with AWS

Capgemini • New York, NY

16d • $100,000 - $130,000 • Onsite

About The Position

We are seeking an experienced Full Stack C#/.NET Developer with AWS expertise to design, develop, and support scalable, high-performance enterprise applications. The ideal candidate will have extensive experience building complex web applications, modern APIs, cloud-native solutions, and front-end applications while leveraging AWS services for highly available and resilient architectures. This role requires strong technical expertise across the full software development lifecycle, from architecture and development to deployment and production support.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 12+ years of experience in software development with expertise in C#/.NET technologies.
• Strong experience designing and developing complex web applications hosted on IIS and OpenShift.
• Proven experience designing and building highly available, scalable, and distributed enterprise applications.
• Strong experience developing and consuming REST APIs and real-time integrations.
• Hands-on experience with React.js and/or Angular for front-end application development.
• Extensive experience implementing authentication and authorization frameworks, including: Single Sign-On (SSO) OAuth/OAuth2 Microsoft Entra ID (Azure AD)
• Hands-on experience with the following AWS services and technologies: AWS Lambda, AWS Step Functions, AWS API Gateway, Terraform (Infrastructure as Code), Amazon RDS (PostgreSQL), Event-Driven Architecture, Cloud-native application design and deployment.

Responsibilities

• Design, develop, and maintain complex enterprise-grade web applications using C#/.NET technologies.
• Build scalable, highly available, and globally distributed applications hosted on AWS Cloud.
• Develop and integrate RESTful APIs for real-time data exchange and system integrations.
• Design and implement modern user interfaces using React.js or Angular.
• Build secure authentication and authorization mechanisms using SSO, OAuth, Microsoft Entra ID, and related identity technologies.
• Develop cloud-native solutions leveraging AWS services and event-driven architectures.
• Collaborate with cross-functional teams including business stakeholders, architects, infrastructure teams, and product owners.
• Participate in application architecture, code reviews, performance tuning, and best-practice implementation.
• Support CI/CD, deployment automation, and infrastructure-as-code initiatives.
• Ensure applications meet security, reliability, scalability, and performance requirements.

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Senior