Senior Dot Net Engineer - Hyderabad

We are looking for an experienced .NET Integration Developer with strong expertise in C#, ASP.NET Core, APIs, microservices, and enterprise system integration. The ideal candidate will have hands-on experience building production-grade integration solutions, event-driven architectures, and secure, scalable services using modern .NET technologies.

Key Responsibilities

Build & Own APIs: Design, develop, and maintain production-grade RESTful APIs and gRPC services using ASP.NET Core, taking ownership from technical specification through deployment and production support.

Enterprise System Integration: Integrate ERP, CRM, legacy, and third-party platforms using modern middleware and integration patterns, ensuring reliable and low-latency data exchange.

Event-Driven Architecture: Design and implement asynchronous, loosely coupled integrations using message brokers such as Azure Service Bus, RabbitMQ, and Kafka.

Data Transformation: Develop high-performance transformation and mapping logic using C# and LINQ, handling JSON, XML, CSV/flat files, and Protocol Buffers (Protobuf) across integration and ETL workflows.

Data Access: Design clean and scalable data-access layers using Entity Framework Core, working with databases such as SQL Server and PostgreSQL.

API & Integration Security: Implement OAuth 2.0, OpenID Connect (OIDC), API Gateway policies, authentication/authorization, and end-to-end encryption across integration services.

CI/CD & Deployment: Build and maintain automated CI/CD pipelines using Azure DevOps or GitHub Actions to enable reliable and repeatable deployments.

Architecture & Engineering: Apply Microservices, SOA, and Event-Driven Architecture principles to build scalable, maintainable, and resilient integration solutions.

Quality & Performance: Troubleshoot integration issues, optimize API and service performance, and ensure solutions meet production standards for reliability, security, and scalability.

Must-Have Skills

Expert-level programming skills in C#

Strong hands-on production experience with .NET 6 / .NET 8+ and ASP.NET Core

Strong understanding of Microservices, SOA, and Event-Driven Architecture

Proven experience in building and consuming REST APIs, SOAP services, Webhooks, and gRPC services

Hands-on experience with messaging technologies such as Azure Service Bus, RabbitMQ, or Kafka

Strong knowledge of Entity Framework Core

Experience working with SQL Server and/or PostgreSQL

Strong understanding of JSON, XML, CSV/flat files, Protocol Buffers (Protobuf), and data transformation

Experience implementing OAuth 2.0, OpenID Connect, API security, and API Gateway policies

Hands-on experience with Azure DevOps and/or GitHub Actions for CI/CD

Strong understanding of enterprise integration patterns, asynchronous processing, error handling, logging, and monitoring