Senior Full Stack .NET Developer

Mbi Llc; Hamilton (NJ); On-site; USD 100,000 - 130,000; Full time

Job summary

Mbi Llc in Hamilton, NJ seeks a skilled software developer to design, develop, and maintain scalable web applications with Angular 14+ and .NET 8+. The ideal candidate will have extensive experience in C#, .NET Core, AWS, and full-stack development, along with a strong understanding of database design and cloud security. Responsibilities include building RESTful APIs, integrating AI capabilities, and ensuring application security. This role offers the opportunity to work on large-scale enterprise applications with modern CI/CD practices.

Qualifications

• 7+ years of experience in C# programming.
• 5+ years of experience with .NET Core / .NET 6/7/8.
• 3+ years of experience with Angular 14+ or React 18+.

Responsibilities

• Design, develop, and maintain web applications using Angular and .NET.
• Build and consume RESTful APIs and microservices.
• Develop dashboards using Power BI.

Skills

C# programming experience

.NET Core / .NET 6/7/8 experience

ASP.NET Core Web API development

Entity Framework Core

LINQ and async/await patterns

Dependency Injection and IoC

Design patterns knowledge

Angular 14+ OR React 18+ experience

TypeScript

HTML5, CSS3, SASS/LESS proficiency

SQL Server 2019+

T-SQL/PL-SQL skills

AWS experience

Docker containerization

Git version control

Job description

Responsibilities

• Design, develop, and maintain scalable web applications using Angular 14+ and .NET 8+.
• Build and consume RESTful APIs and microservices in a cloud‑native environment.
• Develop and optimize backend services integrated with AWS RDS for SQL Server.
• Deploy and manage applications using AWS ECS Fargate.
• Build and maintain CI/CD pipelines using AWS CodePipeline and native AWS DevOps tools.
• Integrate AI/ML capabilities into applications using AWS services (e.g., SageMaker, Comprehend, Rekognition, or custom ML models).
• Develop dashboards and reporting solutions using Power BI.
• Ensure application security, compliance, and data protection standards are met.
• Troubleshoot, debug, and upgrade existing systems.

Technical Skills (Must Have)

• 7+ years of C# programming experience (C# 10+)
• 5+ years of .NET Core / .NET 6/7/8 experience
• 5+ years of ASP.NET Core Web API development
• 5+ years of Entity Framework Core
• Strong understanding of LINQ and async/await patterns
• Experience with Dependency Injection and IoC containers
• Knowledge of design patterns (Repository, Factory, Strategy, SOLID principles)

Frontend Development

• 3+ years of Angular 14+ OR React 18+ experience
• 3+ years of TypeScript
• Proficiency in HTML5, CSS3, SASS/LESS
• Experience with responsive design and mobile‑first approach
• State management (NgRx, Redux, or similar)
• RESTful API consumption
• Understanding of WCAG 2.1 accessibility standards

Database

• 5+ years of SQL Server 2019+
• Strong T‑SQL/PL‑SQL skills (stored procedures, functions, triggers)
• Database design and normalization expertise
• Query optimization and performance tuning
• Entity Framework Core migrations
• Experience with database versioning and deployment

AWS/DevOps

• 2+ years of AWS experience
• Understanding of serverless architecture patterns
• Cloud security best practices
• Git version control (branching, merging, pull requests)
• CI/CD pipeline experience (AWS CodePipeline OR GitHub Actions)
• Docker containerization
• Unit testing frameworks (xUnit, NUnit, MSTest)
• Automated testing strategies

Professional Experience (Must Have)

• 8+ years of professional software development experience
• 5+ years of .NET/C# development
• 3+ years of full stack development (frontend + backend)
• 2+ years of AWS cloud platform experience
• Experience with large‑scale enterprise applications (1M+ lines of code)
• Experience with mission‑critical systems (99.9%+ uptime requirements)
• Led or participated in application modernization projects
• Experience with Agile/Scrum methodologies
• Participated in full SDLC from requirements to production