.NET Developer III

StaffXpert LLC; United States; Hybrid; USD 110,000 - 150,000; Full time

Job summary

STAFFXPERT LLC is seeking a .NET Developer III Agentic AI in Holmdel, NJ. This hybrid role requires 2-3 days onsite per week and involves building scalable enterprise applications with C#/.NET and AI-driven capabilities.

The ideal candidate has 8+ years of experience, strong expertise in JavaScript frameworks, microservices, and AWS services, with hands-on AI technology exposure. Onsite interviews and a collaborative, enterprise-focused environment are expected.

Qualifications

• 8+ years of professional software development experience.
• Strong hands-on experience with C# and .NET.
• Experience with Angular and/or React, JavaScript, LINQ, and Entity Framework.
• Strong experience with SQL Server and/or PostgreSQL.
• Hands-on knowledge of microservices, SOA, and RESTful API development.
• Experience with Generative AI / Agentic AI technologies.
• Practical exposure to AWS Bedrock Agents, Strands Agents, and MCP.
• Strong experience working with AWS services.
• Basic working knowledge of Python.
• Experience designing scalable, end-to-end enterprise systems.
• Ability to work onsite in Holmdel, NJ, 2-3 days per week and participate in an in-person interview.

Responsibilities

• Design, develop, and maintain scalable enterprise applications using C#/.NET.
• Build and enhance modern user interfaces using Angular or React and JavaScript.
• Design and integrate microservices, SOA-based solutions, and RESTful APIs.
• Develop and integrate Generative AI and Agentic AI capabilities into enterprise applications.
• Work with AWS Bedrock Agents, Strands Agents, and MCP to support AI-driven solutions.
• Design and optimize applications leveraging AWS services.
• Work with SQL Server and PostgreSQL for application data management.
• Perform application debugging, performance optimization, and troubleshooting.
• Develop and maintain unit and integration tests to ensure application quality and reliability.
• Contribute to the design of scalable end-to-end systems and next-generation user experiences.

Skills

C# / .NET

Angular / React

JavaScript

SQL / PostgreSQL

Microservices

RESTful APIs

Generative AI

Agentic AI

AWS Services

AWS Bedrock Agents

Strands Agents

MCP

Python

Unit / Integration Testing

Debugging / Optimization

Job description

Job Title: .NET Developer III Agentic AI

Location: Holmdel, NJ
Work Model: Hybrid, 2 3 days onsite per week

Job Summary

STAFFXPERT LLC is seeking a .NET Developer III Agentic AI on behalf of our client in Holmdel, NJ. This hybrid opportunity is ideal for an experienced .NET professional with a strong background in building scalable enterprise applications and hands-on exposure to Generative AI and Agentic AI technologies.

The ideal candidate will bring expertise in C#/.NET, AWS, microservices, modern front-end frameworks, and AI-driven solutions, with experience working with technologies such as AWS Bedrock Agents, Strands Agents, and Model Context Protocol (MCP).

Key Responsibilities

• Design, develop, and maintain scalable enterprise applications using C#/.NET.
• Build and enhance modern user interfaces using Angular or React and JavaScript.
• Design and integrate microservices, SOA-based solutions, and RESTful APIs.
• Develop and integrate Generative AI and Agentic AI capabilities into enterprise applications.
• Work with AWS Bedrock Agents, Strands Agents, and MCP to support AI-driven solutions.
• Design and optimize applications leveraging AWS services.
• Work with SQL Server and PostgreSQL for application data management.
• Perform application debugging, performance optimization, and troubleshooting.
• Develop and maintain unit and integration tests to ensure application quality and reliability.
• Contribute to the design of scalable end-to-end systems and next-generation user experiences.

Required Qualifications

• 8+ years of professional software development experience.
• Strong hands-on expertise in C# and .NET.
• Experience with Angular and/or React, JavaScript, LINQ, and Entity Framework.
• Strong experience with SQL Server and/or PostgreSQL.
• Hands-on knowledge of microservices, SOA, and RESTful API development.
• Experience with Generative AI / Agentic AI technologies.
• Practical exposure to AWS Bedrock Agents, Strands Agents, and Model Context Protocol (MCP).
• Strong experience working with AWS services.
• Basic working knowledge of Python.
• Strong skills in debugging, application optimization, unit testing, and integration testing.
• Experience designing scalable, end-to-end enterprise systems.
• Ability to work onsite in Holmdel, NJ, 2 3 days per week and participate in an in-person interview.

Preferred Qualifications

• Experience developing applications within the financial services domain.
• Previous experience with ExtJS.
• Experience developing modern, next-generation user interfaces.
• Strong understanding of enterprise application architecture, scalability, and performance optimization.