.Net Developer

Robotics Technologies LLC; Boston (MA); On-site; USD 90,000 - 150,000; Full time

Job summary

Robotics Technologies LLC in Boston is seeking a skilled .NET developer to design, develop, and maintain scalable web applications using C#, .NET Framework/Core, and ASP.NET Core. You will build RESTful APIs, implement business logic, and ensure secure, robust enterprise integrations.

You'll work with SQL Server, Entity Framework, LINQ, and modern front-end frameworks like Angular or React, connecting front-end apps to backend APIs.

Qualifications

• Proven experience building scalable web apps with C#, .NET Framework/Core and ASP.NET Core.
• Experience creating RESTful APIs and integrating enterprise systems.
• Strong knowledge of SQL Server, EF, LINQ, and ORM patterns.
• Experience with frontend integration using Angular or React and backend APIs.

Responsibilities

• Designed, developed, and maintained scalable web applications.
• Developed RESTful Web APIs to support enterprise integration.
• Implemented authentication and authorization with modern security protocols.
• Developed microservices-based applications for scalability and performance.
• Integrated front-end apps with backend .NET APIs.
• Deployed and maintained apps using Azure services and CI/CD pipelines.
• Participated in code reviews and Agile/Scrum processes.
• Implemented tests with xUnit/NUnit and Moq.
• Optimized SQL queries and backend processing.

Skills

C#

ASP.NET Core

.NET Framework

RESTful APIs

SQL Server

Entity Framework

LINQ

Angular/React

Azure

Git / GitHub / Azure DevOps

Tools

Azure DevOps

GitHub

SQL Server Management 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.