At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.Senior Backend Developer – Job DescriptionPosition SummaryWe are seeking a highly skilled Senior Backend Developer with robust expertise in Microsoft .NET technologies, Azure Cloud Services, API development, database design, and DevOps practices. The ideal candidate will have hands-on experience designing, developing, deploying, and supporting enterprise-grade backend applications and cloud-native solutions on Microsoft Azure. The role requires strong troubleshooting and problem-solving abilities, with a focus on building secure, scalable, and high-performing systems.Key ResponsibilitiesBackend Application DevelopmentDesign, develop, and maintain scalable backend applications using C#, .NET Framework, .NET Core, and .NET 8+.Build and enhance RESTful APIs, microservices, and integration services supporting enterprise applications.Develop reusable, maintainable, and high-quality code following modern software engineering practices.Analyze, troubleshoot, and resolve production issues, performance bottlenecks, and application defects.Collaborate with Solution Architects, Product Owners, and development teams to deliver technical solutions aligned with business requirements.Azure Cloud DevelopmentDesign, develop, and deploy cloud-native solutions on Microsoft Azure.Work extensively with Azure services such as:Azure Function AppsAzure Logic AppsAzure Service BusAzure App ServicesAzure Storage AccountsAzure Key VaultAzure SQL DatabaseAzure Application InsightsMonitor, troubleshoot, and optimize Azure resources to ensure reliability, scalability, and operational excellence.Participate in cloud architecture discussions and implementation of Azure best practices.API & Integration ServicesDevelop and maintain secure, scalable APIs for internal, external,



and third-party integrations.Implement authentication and authorization mechanisms using industry-standard protocols.Integrate enterprise applications, databases, cloud services, and external systems.Ensure API reliability, performance, and security through proper design and monitoring.Database DevelopmentDesign and develop relational database solutions using Microsoft SQL Server and Azure SQL.Write and optimize complex SQL queries, stored procedures, views, and performance tuning solutions.Ensure data integrity, security, and scalability of database systems.Work with NoSQL technologies and understand non-relational data modelling concepts where required.Support database migration, maintenance, and troubleshooting activities.DevOps & CI/CDDesign and maintain CI/CD pipelines using Azure DevOps and related tooling.Automate build, deployment, testing, and release processes.Support infrastructure and application deployment activities across environments.Monitor application health and deployment performance to ensure stable releases.Promote DevOps best practices including version control, code reviews, and automated testing.Security, Performance & SupportImplement secure coding and cloud security best practices.Optimize application performance, scalability, and reliability.Investigate and resolve production incidents through root cause analysis.Support application monitoring, logging, diagnostics, and operational readiness initiatives.Ensure compliance with organizational architecture, security, and governance standards.Technical Skills RequiredMandatory SkillsC# and .NET Framework / .NET Core / .NET 8+ASP.NET Core Web API DevelopmentREST API Design and DevelopmentMicrosoft Azure PlatformAzure Function AppsAzure Logic AppsAzure Service BusAzure App ServicesAzure Storage ServicesAzure Key VaultAzure SQL Database / SQL ServerDatabase Design and SQL Performance OptimizationGit and Version ControlCI/CD Pipeline Development (Azure DevOps)Troubleshooting and Performance TuningObject-Oriented Design Principles and Design PatternsPreferred SkillsPython DevelopmentNoSQL Databases (Cosmos DB, MongoDB, etc.)Containerization (Docker, Kubernetes)Event-Driven and Microservices ArchitectureAzure Monitoring and Application InsightsInfrastructure as Code (Terraform, ARM, Bicep)Message Queuing and Distributed SystemsAI/ML Integration and Azure AI ServicesGenerative AI and LLM IntegrationQualificationsBachelor’s degree in computer science, Information Technology, Engineering, or related discipline.5–10 years of experience in backend application development.Proven experience delivering enterprise-scale applications on Microsoft Azure.Strong understanding of software design principles, architecture patterns, and cloud-native development.Experience working in Agile/Scrum development environments.Excellent analytical, communication, and problem-solving skills.Preferred Candidate ProfileStrong hands-on developer with the ability to independently design, build, and troubleshoot backend solutions.Experience developing cloud-native and enterprise integration solutions on Azure.Ability to work across development, cloud, database, and DevOps domains.Experience supporting production environments and performing root cause analysis of complex issues.Exposure to AI-enabled applications, automation solutions, and modern software engineering practices.Strong collaboration skills with cross-functional teams including Architects, DevOps Engineers, QA, Business Analysts, and Product Owners.Experience Range: 5–10 YearsEY | Building a better working world EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.

📌 .Net Backened Developer (Kolkata)
🏢 Ernst & Young
📍 Kolkata