Senior Software Engineer-.Net (Contract)

Opteamix; Bengaluru; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

Opteamix in Bengaluru is looking for a skilled .NET developer to design and implement RESTful services using C#, ASP.NET Core and .NET 6+. You will work with EF Core, SQL Server and Azure Cosmos DB in a microservices architecture.

Exposure to AI/ML integrations, CI/CD pipelines, and front-end familiarity with Angular/React/Blazor is a plus. Join a dynamic team with modern DevOps practices and cloud-first delivery.

Qualifications

• Proficiency in C# and .NET ecosystem with ASP.NET Core and REST API design.
• Experience with relational databases and EF Core/LINQ is essential.
• Knowledge of microservices, CI/CD, and Git workflows.
• Azure cloud services including Cosmos DB and messaging queues.
• Strong OO design and common design patterns; solid unit testing skills.

Skills

C#

ASP.NET Core

NET 6+

REST API

EF Core

LINQ

SQL Server

Query Optimization

Stored Procedures

OOP

Design Patterns

Unit Testing

xUnit

NUnit

MSTest

Git

Azure

Cosmos DB

Microservices

AI/ML

Azure OpenAI

OpenAI API

Semantic Kernel

Prompt Engineering

ML.NET

CI/CD

Azure DevOps

GitHub Actions

Angular

React

Blazor

RabbitMQ

Kafka

Azure Service Bus

Job description

Mandatory Technical Skills

C#, ASP.NET Core / .NET 6+

RESTful API design and development

Entity Framework Core / LINQ

SQL Server (or similar RDBMS) query optimization, stored procedures

Object-Oriented Programming & Design Patterns

Unit Testing (xUnit/NUnit/MSTest)

Git / version control workflows

Azure including Azure Cosmos DB

Microservices architecture

Preferred / Good-to-Have Skills

AI/ML exposure: Familiarity with integrating AI APIs (Azure OpenAI, OpenAI API, Semantic Kernel), prompt engineering basics, or using ML.NET

CI/CD pipelines (Azure DevOps, GitHub Actions)

Front-end familiarity (Angular/React/Blazor) — nice to have

Message queues (RabbitMQ/Kafka/Azure Service Bus)