Senior .NET Developer | AWS Cloud & APIs

Capgemini; Jersey City (NJ); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Comprehensive benefits

Job summary

Capgemini in Jersey City is seeking a Senior DOT Net Developer with AWS expertise to design, develop, and support scalable, high-performance enterprise applications. The candidate will work on full-stack C#/.NET, RESTful APIs, and frontend interfaces using React.js or Angular while leveraging AWS services for resilient architectures.

Requirements include 12+ years in software development, IIS/OpenShift, and strong knowledge of authentication (SSO/OAuth/Microsoft Entra ID).

Qualifications

• 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: 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)
• 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.

Skills

C#/.NET

AWS

REST APIs

Front-end (React/Angular)

IIS/OpenShift

OAuth/SAML/Sso

Terraform

Distributed systems

Education

Bachelor's degree in CS/IT/Engineering

Tools

OpenShift

Terraform

AWS Lambda

AWS API Gateway

Job description

Capgemini in Jersey City is seeking a Senior DOT Net Developer with AWS expertise to design, develop, and support scalable, high-performance enterprise applications. The candidate will work on full-stack C#/.NET, RESTful APIs, and frontend interfaces using React.js or Angular while leveraging AWS services for resilient architectures.

Requirements include 12+ years in software development, IIS/OpenShift, and strong knowledge of authentication (SSO/OAuth/Microsoft Entra ID).