Sr C# Developer

Everest Technologies - Sr C# Developer - Remote Job

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Everest Technologies | Full time

Sr C# Developer

Remote Job | Posted on 06/02/2026

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Job Information

• Date Opened 06/02/2026
• Job Type Full time
• Industry IT Services
• Work Experience 5+ years
• Remote Job

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.

Job Summary

We are seeking a highly skilled C#/.NET Developer with hands-on experience in building AI-powered applications using Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) architectures. The ideal candidate will have strong expertise in developing scalable .NET applications, integrating AI services through APIs, and building enterprise-grade AI solutions.

The candidate should have experience working with modern AI frameworks, vector databases, prompt engineering, and API management platforms to deliver intelligent, secure, and scalable applications.

Key Responsibilities

• Design, develop, and maintain enterprise applications using C#, .NET Core/.NET 8, and ASP.NET Core.
• Build AI-powered applications leveraging Large Language Models (LLMs) such as Azure OpenAI, OpenAI, Anthropic Claude, or Google Gemini.
• Design and implement Retrieval-Augmented Generation (RAG) solutions using enterprise knowledge bases and vector databases.
• Develop and integrate RESTful APIs for AI services and third-party applications.
• Work with API gateways and API management platforms (e.g., Gravitee, Kong, Azure API Management, Apigee).
• Develop scalable backend services for AI inference, document processing, and conversational applications.
• Implement secure authentication and authorization using OAuth2, JWT, and Azure Active Directory.
• Collaborate with architects, product owners, and cross-functional teams to translate business requirements into technical solutions.
• Optimize application performance, scalability, and reliability.
• Participate in code reviews, unit testing, CI/CD deployments, and Agile ceremonies.
• Create technical documentation and support production deployments.

Required Qualifications

• 5+ years of experience in C#/.NET application development.
• Strong expertise in C#, .NET Core/.NET 6+, ASP.NET Core, and REST API development.
• Hands-on experience integrating Large Language Models (LLMs) into enterprise applications.
• Practical experience designing and implementing RAG (Retrieval-Augmented Generation) solutions.
• Experience consuming AI services through REST APIs and SDKs.
• Knowledge of prompt engineering and AI application development patterns.
• Strong understanding of object-oriented programming, design patterns, and microservices architecture.
• Experience with SQL Server or other relational databases.
• Proficiency with Git and CI/CD tools such as Azure DevOps or GitHub Actions.
• Experience working in Agile/Scrum environments.

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