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I’m a Senior .NET/Azure Engineer with 15+ years of experience building and modernizing enterprise software across banking, financial services, energy, government, and retail. I focus on designing reliable REST APIs, microservices, and event-driven systems using C# and modern .NET (8/9), with Azure platforms such as AKS, Functions, Storage, Service Bus, and secure configuration via Key Vault.…

Mani Naresh Kumar

Full Stack Developer, Web Developer, Front-End Developer, +3

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I’m a Senior .NET/Azure Engineer with 15+ years of experience building and modernizing enterprise software across banking, financial services, energy, government, and retail. I focus on designing reliable REST APIs, microservices, and event-driven systems using C# and modern .NET (8/9), with Azure platforms such as AKS, Functions, Storage, Service Bus, and secure configuration via Key Vault.…

Available to hire

I’m a Senior .NET/Azure Engineer with 15+ years of experience building and modernizing enterprise software across banking, financial services, energy, government, and retail. I focus on designing reliable REST APIs, microservices, and event-driven systems using C# and modern .NET (8/9), with Azure platforms such as AKS, Functions, Storage, Service Bus, and secure configuration via Key Vault.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Full Stack Developer (Contract) at National Energy System Operator

December 1, 2025 - June 30, 2026

Designed and developed cloud-native REST APIs using C#, .NET 9, ASP.NET Core, Docker, AKS, and Helm. Delivered secure enterprise APIs with OAuth2/JWT, RBAC, and TLS, and built integrations across SQL Server, PostgreSQL, Oracle, and third-party platforms. Developed Azure Data Factory ETL pipelines to migrate energy consumption data from Oracle into Azure SQL. Led modernization of a legacy Python/MLOps application from Azure Linux VMs to cloud-native Azure services, covering the full SDLC including refinement, development, code review, testing, deployment, SRE support, and production releases.

Full Stack Developer at Azure National Energy System Operator

December 1, 2025 - June 1, 2026

Designed and implemented containerized NET 9 microservices for energy consumption analytics; built RESTful APIs for smart meter data ingestion; deployed via secure DevSecOps CI/CD pipelines to AKS; reports stored in Azure Blob Storage; performed peer code reviews; built data ingestion pipelines in Azure Data Factory; migrated legacy Python/MLOps app to modern Azure environment.

Senior Backend Engineer (.NET) at First Derivatives

May 1, 2025 - October 31, 2025

Migrated legacy on-premise applications to Azure using App Service, Azure SQL, Storage, and Cosmos DB. Developed scalable ASP.NET Core Web APIs for cloud-native business services and containerized workloads with Docker and AKS deployments. Built Azure Functions for event-driven file and transaction processing, integrated Azure Key Vault for secure configuration and secret management, and implemented CI/CD pipelines in Azure DevOps to reduce manual deployment effort.

Senior Software Engineer at Azure First Derivatives Ltd

May 1, 2025 - October 1, 2025

Migrated on-premise .NET application to Azure (App Service, SQL Database, Azure Storage); developed a .NET ASP.NET Core Web API with Cosmos DB (SQL API); containerized API with Docker and deployed to AKS; created Azure Functions for event-driven workloads; integrated with Azure Storage Queues/Blob; built a .NET 8 Web API for Azure App Service with Azure SQL and Key Vault; automated CI/CD pipelines with Azure DevOps.

Senior Software Engineer (.NET) at First Derivatives (Client: Permanent TSB)

July 1, 2021 - April 30, 2025

Developed and enhanced enterprise banking applications using C#, ASP.NET MVC/Core, Entity Framework, and SQL Server. Built reusable REST APIs used across multiple internal banking platforms, modernized legacy modules for improved maintainability and performance, and enhanced React front-end applications with secure API integrations. Designed complex SQL Server objects (stored procedures, views, triggers, and reporting components) and contributed to peer code reviews and Agile delivery across cross-functional engineering teams.

Senior Software Engineer at First Derivatives Ltd

July 1, 2021 - April 1, 2025

Client - PTSB.ie; developed scalable web applications using ASP.NET Core MVC, optimized for security and performance; used Entity Framework Core for database operations; built SQL Server objects including stored procedures, triggers, and complex queries; contributed to Angular front-end features; implemented unit testing with XUnit and Moq.

Software Engineer at First Derivatives (Client: Rabobank)

December 1, 2020 - June 30, 2021

Delivered automated testing solutions for the Disorderly Market Testing (DMT) regulatory programme by building C# testing frameworks to simulate extreme market conditions and validate trading system resilience. Integrated automated resilience testing into Azure DevOps CI/CD pipelines and developed SpecFlow and xUnit test suites to support continuous regulatory compliance, including SQL Server integration and Docker-based workflows.

Software Engineer at First Derivatives Ltd

December 1, 2020 - June 1, 2021

Client - Rabobank; contributed to the Disorderly Market Testing project to assess resilience during volatility; designed automated testing tools in C#/.NET to simulate market disruptions; built CI pipeline tests with SpecFlow and XUnit; engaged in Agile Scrum practices.