.Net Developer

Machine Learning Technologies, LLC; Boston (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Machine Learning Technologies, LLC in Boston seeks a skilled .NET engineer to design, develop, and maintain scalable web applications using C#, .NET Framework, and ASP.NET Core. You will build RESTful APIs, implement security, and integrate enterprise systems with modern frontends.

You'll work on microservices, optimize SQL data access, and ensure reliability with comprehensive tests, logging, and monitoring, deploying via Azure. Collaboration in an Agile environment is essential.

Qualifications

• Proficient in C#, .NET Framework and .NET Core across multiple projects.
• Experience building RESTful APIs and enterprise backend services.
• Strong knowledge of SQL Server, EF/EF Core, and ORM patterns.

Responsibilities

• Designed, developed, and maintained scalable web applications using C#, .NET Framework, .NET Core, and ASP.NET Core.
• Developed RESTful Web APIs and backend services using ASP.NET Core Web API to support enterprise application integration.
• Implemented authentication and authorization with ASP.NET Identity, JWT, OAuth 2.0, and RBAC.
• Developed microservices-based applications to improve scalability and performance.
• Integrated Angular or React frontends with backend .NET APIs.
• Optimized SQL queries and backend processing to improve performance.
• Implemented logging, exception handling, and monitoring for reliability.
• Developed unit and integration tests using xUnit, NUnit, and Moq.
• Deployed and maintained apps with Azure App Services, Functions, and Azure SQL Database.
• Used Git, GitHub, and Azure DevOps for source control and CI/CD.

Skills

C#

.NET Framework

.NET Core

ASP.NET Core

RESTful APIs

OOP

Design patterns

SQL Server

Entity Framework

Entity Framework Core

LINQ

Microservices

Angular

React

Azure

Git

CI/CD

Agile/Scrum

Tools

Azure DevOps

GitHub

Visual Studio

Job description

Roles and Responsibilities

Designed, developed, and maintained scalable web applications using C#, .NET Framework, .NET Core, and ASP.NET Core.

Developed RESTful Web APIs and backend services using ASP.NET Core Web API to support enterprise application integration.

Implemented business logic and application functionality using C#, Object-Oriented Programming (OOP), and design patterns.

Developed database objects, stored procedures, views, functions, and complex SQL queries using Microsoft SQL Server.

Used Entity Framework and Entity Framework Core for database connectivity, data access, and ORM operations.

Implemented LINQ queries for efficient data retrieval, filtering, and manipulation.

Designed and developed reusable components, services, and middleware to improve application maintainability.

Integrated third-party applications and external systems using REST APIs, JSON, and SOAP services.

Implemented authentication and authorization using ASP.NET Identity, JWT, OAuth 2.0, and role-based access control.

Developed microservices-based applications to improve scalability, flexibility, and application performance.

Integrated frontend applications built with Angular or React with backend .NET APIs.

Optimized application performance by improving SQL queries, API response times, and backend processing.

Implemented exception handling, logging, debugging, and application monitoring to ensure system reliability.

Developed unit and integration tests using xUnit, NUnit, and Moq.

Deployed and maintained applications using Microsoft Azure services such as Azure App Services, Azure Functions, and Azure SQL Database.

Used Git, GitHub, and Azure DevOps for source control, CI/CD pipelines, and application deployments.

Participated in code reviews, technical discussions, defect resolution, and production support.

Collaborated with business analysts, QA engineers, and development teams in an Agile/Scrum environment.

Participated in all phases of the Software Development Life Cycle (SDLC), including requirement analysis, design, development, testing, deployment, and maintenance.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.