.NET Full stack developer(React)

Cognizant; Pune District, Chennai District, Bengaluru; Hybrid; INR 2,800,000 - 4,200,000; Full time

Job summary

Cognizant is seeking an experienced Full Stack Developer to design and build end-to-end solutions across UI, APIs, business services, and databases in Pune. You will leverage .NET Core, ASP.NET Core, React.js, and cloud-native microservices with modern architectures.

Strong candidates will have hands-on AI-assisted development experience using GitHub Copilot, plus familiarity with BMAD methodologies, AWS, Docker, and Kubernetes to deliver scalable, secure applications.

Qualifications

• Proven experience in full stack development using C#, .NET Core, ASP.NET Core and React.js.
• Experience with database design and SQL Server or Oracle.
• Experience with cloud platforms (AWS) and containerization (Docker, Kubernetes).
• Mandatory: Strong hands-on experience with GitHub Copilot for AI-assisted development.
• Mandatory: Experience with BMAD (Build More with AI-Driven Development) methodology.

Responsibilities

• Design and develop end-to-end solutions across UI, APIs, business services, and databases
• Build and consume REST APIs; integrate with external systems using SOAP/WSDL/XML
• Develop responsive and scalable web/mobile applications using React
• Design and implement cloud-native microservices using modern architecture principles
• Implement secure authentication and authorization using OAuth/JWT
• Collaborate with architects, product owners, QA teams, and business stakeholders
• Troubleshoot and optimize application performance across frontend and backend layers

Skills

Full Stack Development (C#, .NET Core,

GitHub Copilot AI-assisted

BMAD methodology

Tools

AWS

Docker

Kubernetes

CI/CD pipelines

Job description

Full Stack Developer (C#/.NET Core/React.js)

Job Summary

We are looking for an experienced Full Stack Developer to design and build end-to-end solutions across UI, APIs, business services, and databases. The ideal candidate has strong hands-on expertise in .NET Core, ASP.NET Core, React.js, and modern cloud-native architectures, along with proven experience leveraging AI-assisted development tools.

Key Responsibilities

• Design and develop end-to-end solutions across UI, APIs, business services, and databases
• Build and consume REST APIs; integrate with external systems using SOAP/WSDL/XML
• Develop responsive and scalable web/mobile applications using React
• Design and implement cloud-native microservices using modern architecture principles
• Implement secure authentication and authorization using OAuth/JWT
• Collaborate with architects, product owners, QA teams, and business stakeholders
• Troubleshoot and optimize application performance across frontend and backend layers

Required Skills & Experience

• Strong experience in Full Stack Development using C#, .NET Core, ASP.NET Core, and React.js
• Strong experience with SQL Server/Oracle, Entity Framework Core, and database design
• Experience with AWS, Docker, Kubernetes, and CI/CD pipelines
• Mandatory: Strong hands-on experience with GitHub Copilot for AI-assisted software development
• Mandatory: Experience working with BMAD (Build More with AI-Driven Development) methodology

Good to Have

• Experience with SpecKit / Spec-Driven Development for requirement-to-code acceleration
• MSP/Mortgage Servicing domain experience