Senior C#/.NET Full-Stack Engineer (AWS)

Capgemini; New York (NY); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) retirement plans

Paid time off

Job summary

Capgemini seeks an experienced Full Stack C#/.NET Developer with AWS expertise to design, develop, and support scalable enterprise applications. You will build complex web apps, modern APIs, and front-end interfaces leveraging AWS for high availability.

You will own the full SDLC from architecture to production support, collaborating with cross-functional teams to deliver secure, reliable solutions. This role requires strong cloud-native design and hands-on API development.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• 12+ years of software development experience with C#/.NET.
• Experience building complex web apps hosted on IIS and OpenShift.
• Proven REST API development and real-time integrations.
• Hands-on React.js and/or Angular frontend development.
• Experience implementing SSO/OAuth and Microsoft Entra ID (Azure AD).

Responsibilities

• Design, develop, and maintain complex enterprise web apps using C#/.NET.
• Build scalable, globally distributed apps on AWS.
• Develop and integrate RESTful APIs for real-time data exchange.
• Create modern UIs with React.js or Angular.
• Implement secure authentication/authorization using SSO, OAuth, Azure AD.
• Develop cloud-native solutions with AWS services and IaC.

Skills

C#/.NET development

REST API design

Frontend: React/Angular

AWS cloud experience

IIS/OpenShift deployment

Education

Bachelor's degree in Computer Science/IT/Engineering or related field

Tools

AWS Lambda

AWS Step Functions

AWS API Gateway

Terraform

Amazon RDS (PostgreSQL)

Event-Driven Architecture

Cloud-native design/deployment

Job description

Capgemini seeks an experienced Full Stack C#/.NET Developer with AWS expertise to design, develop, and support scalable enterprise applications. You will build complex web apps, modern APIs, and front-end interfaces leveraging AWS for high availability.

You will own the full SDLC from architecture to production support, collaborating with cross-functional teams to deliver secure, reliable solutions. This role requires strong cloud-native design and hands-on API development.