Dotnet Developer

Senior Backend Engineer - .NET

Experience: 4-8 Years

Location: Chennai

Mode: Work from Office (WFH)

Job Type: Contract

Role Overview

We are looking for an experienced .NET Backend Developer to design and build scalable backend services, APIs and enterprise integrations.

The role requires strong engineering fundamentals, API development, database skills and experience delivering reliable cloud-ready applications.

Key Responsibilities

· Design, develop and maintain scalable backend applications and services using C# and .NET / ASP.NET Core.

· Develop secure, reusable and well-documented REST APIs.

· Translate functional and technical requirements into maintainable backend solutions.

· Integrate with internal and external applications using APIs, JSON/XML, files and messaging mechanisms.

· Design data-access components and work with relational databases and optimized SQL.

· Implement authentication, authorization, validation, logging, exception handling and audit controls.

· Build asynchronous/background services where required.

· Write unit and integration tests and support automated quality practices.

· Perform code reviews and troubleshoot application, API, integration and performance issues.

· Collaborate with frontend, data, integration, QA, architecture and DevOps teams.

· Support CI/CD pipelines, cloud deployment and production-readiness activities.

· Maintain technical documentation and API specifications.

Required Skills & Experience

· 4-8 years of hands-on .NET development experience.

· Strong C#, .NET / ASP.NET Core and Web API experience.

· Strong knowledge of RESTful API design and backend application patterns.

· Experience with Entity Framework Core or equivalent ORM/data-access patterns.

· Strong SQL and relational database experience, preferably SQL Server and/or PostgreSQL.

· Experience integrating multiple enterprise systems and external APIs.

· Understanding of asynchronous programming, multithreading and background processing.

· Experience with unit testing, Git and CI/CD practices.

· Working knowledge of Docker and AWS or Azure.

· Good understanding of application security, logging, monitoring and performance optimization.

Good to Have

· Experience with microservices or modular service architectures.

· Experience with message queues and event-driven integrations.

· Knowledge of Redis/caching and API gateways.

· Exposure to Kubernetes and cloud-native deployment.

· Experience in supply-chain, logistics, ERP or enterprise workflow solutions.

Working Style

· Strong ownership, analytical thinking and problem-solving approach.

· Ability to work effectively in an Agile, cross-functional delivery environment.

· Clear communication and willingness to collaborate with business and technical stakeholders.

· Focus on quality, maintainability, security and timely delivery.