.Net Developer

Quantum Technologies. LLC; Boston (MA); Vor Ort; USD 90.000 - 150.000; Vollzeit

Zusammenfassung

Quantum Technologies. LLC in Boston seeks a skilled .NET developer to design, build, and maintain scalable web applications, APIs, and services. You will work across the full stack with Angular or React front-ends and Azure deployments.

The role emphasizes strong data access skills, testing, CI/CD, and collaboration within an Agile team to deliver enterprise-grade software.

Qualifikationen

• Experience designing and developing scalable web applications using the .NET stack.
• Proficient in building RESTful services and backend APIs with ASP.NET Core.
• Strong understanding of SQL Server, ORM (EF) and data access patterns.
• Experience with frontend integration using Angular or React with .NET backends.
• Familiarity with version control and CI/CD pipelines (Git, Azure DevOps).
• Knowledge of testing frameworks (xUnit, NUnit) and mocking (Moq).
• Experience implementing authentication/authorization (OAuth2, JWT, ASP.NET Identity).
• Exposure to microservices architecture and cloud deployments (Azure).
• Ability to write clean, well-documented code and participate in code reviews.

Aufgaben

• 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#, OOP, and design patterns.
• Developed database objects, stored procedures, views, functions, and complex SQL queries using Microsoft SQL Server.
• Used Entity Framework and EF 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 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 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 monitoring to ensure reliability.
• Developed unit and integration tests using xUnit, NUnit, and Moq.
• Deployed and maintained applications using Microsoft Azure services (Azure App Services, Functions, and Azure SQL).
• Used Git, GitHub, and Azure DevOps for source control, CI/CD pipelines, and 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 SDLC including requirement analysis, design, development, testing, deployment, and maintenance.

Kenntnisse

C#

ASP.NET Core

REST APIs

SQL Server

Entity Framework

Azure

Angular

React

Git/GitHub/Azure DevOps

Unit testing

Tools

Azure DevOps

Git

GitHub

NUnit

xUnit

Moq

Jobbeschreibung

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.