Senior Full Stack Developer

Location: Noida, India

Department: PE-Cloud

Experience: 7+

Skills: React, .NET, ColdFusion

• Lead the design, development, and implementation of complex enterprise features and production fixes.
• Develop backend services using C# and modern .NET technologies, including .NET 8.
• Build and maintain frontend applications using React, JavaScript, TypeScript, HTML5, and CSS3.
• Develop and consume REST APIs to support application functionality and enterprise integrations.
• Design scalable, maintainable, and secure software solutions following engineering best practices.

• Work across legacy and modern application components during ongoing modernization initiatives.
• Maintain and enhance legacy enterprise systems, including Adobe ColdFusion (CFML) applications.
• Support the coexistence of legacy ColdFusion business workflows with modern React frontends and .NET services.
• Identify opportunities to improve application architecture, maintainability, and performance.
• Contribute to incremental modernization while ensuring business continuity.

• Analyse customer-reported issues and identify root causes across application, API, infrastructure, and integration layers.
• Investigate and resolve complex production defects and technical issues.
• Perform debugging and root-cause analysis to identify sustainable solutions.
• Work with logging and monitoring tools to investigate application behaviour and production failures.
• Collaborate with relevant teams to resolve customer escalations and improve platform stability.

• Develop and maintain enterprise backend applications using C# and .NET 8 or modern .NET versions.
• Design, develop, and maintain REST APIs and enterprise integrations.
• Work with SQL Server to develop and optimize database components.
• Identify database performance bottlenecks and implement appropriate optimization techniques.
• Ensure backend services meet enterprise requirements for scalability, reliability, and security.

• Develop and maintain modern web applications using React.
• Support existing AngularJS applications and their integration with modern frontend components.
• Work with HTML5, CSS3, JavaScript, and TypeScript to deliver reliable user experiences.
• Collaborate with backend teams to integrate frontend components with REST APIs.
• Support the migration of legacy UI frameworks to modern frontend architectures where required.

• Participate in architectural discussions and contribute to platform modernization initiatives.
• Review code and establish development standards and engineering best practices.
• Mentor developers and support their technical growth.
• Make technical recommendations to improve application quality, maintainability, and performance.
• Promote secure coding, unit testing, debugging, and continuous improvement.

• Collaborate with QA Automation teams to improve automated regression coverage.
• Ensure new functionality is testable and aligned with quality standards.
• Work closely with Product Owners, QA, DevOps, and Architecture teams throughout the development lifecycle.
• Participate in technical planning, design discussions, and production issue reviews.
• Support CI/CD processes and deployments across development, testing, and production environments.

• 7+ years of enterprise software development experience.
• 7+ years of full stack development experience as specified under the Must-Have Skills.
• Strong expertise in C# and .NET 8 or modern .NET versions.
• Strong hands-on experience with React.
• Experience maintaining and enhancing legacy enterprise applications, preferably Adobe ColdFusion (CFML).
• Strong experience developing and consuming REST APIs.
• Experience with SQL Server and database performance optimization.
• Strong frontend development knowledge of JavaScript, TypeScript, HTML5, and CSS3.
• Experience working with AngularJS legacy applications.
• Strong understanding of enterprise application architecture and integration patterns.
• Experience troubleshooting complex production issues across application and integration layers.
• Experience with Azure DevOps, Git, and CI/CD pipelines.
• Understanding of unit testing, debugging, logging, and monitoring.
• Experience mentoring developers and contributing to architectural decisions.
• Excellent English communication and cross-functional collaboration skills.

• 7+ Years of Full Stack Development Experience
• C#
• .NET 8 / Modern .NET
• React
• Adobe ColdFusion (CFML)
• REST API Development
• SQL Server
• Database Performance Optimization
• JavaScript / TypeScript
• AngularJS Legacy Applications
• Enterprise Application Architecture
• Enterprise Integrations
• Production Support & Troubleshooting
• Technical Leadership & Mentoring
• Architectural Decision-Making
• Azure DevOps, Git & CI/CD
• Excellent English Communication Skills

• Experience modernizing monolithic applications.
• Experience migrating legacy UI frameworks to React.
• Experience modernizing ColdFusion applications and integrating them with modern .NET services.
• Experience with cloud-hosted enterprise applications.
• Knowledge of application security best practices.
• Experience working with highly configurable SaaS products.
• Experience supporting regulated industries or government software.
• Experience improving automated regression coverage and QA practices.

• Strong leadership and mentoring capabilities.
• Excellent analytical and problem-solving skills.
• Ability to investigate complex technical issues and identify root causes.
• Effective communication and cross-functional collaboration.
• Ownership-driven mindset with a focus on quality, reliability, and delivery.
• Ability to balance hands-on development with technical leadership.
• Adaptable and proactive when working across legacy and modern technologies.
• Strong architectural thinking and decision-making abilities.
• Commitment to continuous learning, modernization, and engineering excellence.