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Sr C# Developer (Migration)

Etech
Posted 2 hours ago
Probably WorldwideRemoteEngineering & Development
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About Us

ETech is a leading Information Technology solutions provider based in Hitec City, Hyderabad, India. We are a subsidiary of Everest Technologies Inc. based in Columbus, Ohio USA. We deliver top quality systems and software design, architecture, development, testing and implementation services to clients in a variety of industrial, commercial, and governmental environments. By focusing on achieving client successes, we have achieved success ourselves. Our reputation for providing creative and technically superior consulting services is built on our innovative use of leading technologies tailored to meet the individual needs of our clients.

Job Description

This is a remote position.

About the role

IL6 is C#-heavy. This is a C#-first role: the must-have is strong C# / .NET, and Java is a genuine plus that breaks ties, not a gate. Do not reject strong C# candidates for weak Java on this one. The developer will build and evolve C# services as part of Client's data migration and API work, including the data access layer and API surface pointed at the consolidated MySQL database.

What you will do

• Build and maintain C# / .NET services in the IL6 codebase.

• Contribute to the rebuilt data access layer and the new API design as 30 databases consolidate into one MySQL instance.

• Design and implement REST APIs to stable contracts, including versioning and consumer segmentation (app, integration, reporting).

• Tune data access for performance (EF Core or Dapper, query design, indexing, caching).

• Write automated tests and support CI/CD.

Must have

• Strong C# / .NET: 8+ years, deep with .NET Core / .NET 6+, ASP.NET Core Web APIs, dependency injection, async/await.

• Data access depth: EF Core and/or Dapper, connection management, query performance, SQL (MySQL or SQL Server).

• API design: REST contract design, versioning, pagination, error handling.

• Microservices and CI/CD: service-to-service communication, containerization, pipelines.

• Communication: works independently, gives direct feedback, translates for stakeholders.

Nice to have (tie-breakers)

• Java exposure, enough to read and reason about Java services during the migration. Valued, not required.

• Migration or modernization experience.

• AI coding tool experience; interest in AI-assisted development.

• Kong, Azure or AWS, GraphQL.



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