Job Title: Sr AS400 Developer
Location: Hybrid - King of Prussia, PA (4 days onsite/1 day remote) 

Job Type: Independent Contract (Contractor / Non-Employee)
Start Date: ASAP

Pay Rate: $68-70/hr 1099 / C2C

Contract Length: 12+ Months 

Role Summary 

We are seeking an experienced Senior .NET Developer with strong technical expertise and demonstrated leadership capabilities to lead a team of developers while remaining actively involved in software design, development, and delivery. The ideal candidate will be a hands-on technical leader who can drive architectural decisions, mentor team members, and collaborate with business stakeholders to deliver high-quality enterprise applications.

Key Responsibilities

Technical Leadership

• Lead the design, development, and deployment of scalable .NET applications and services.
• Define and enforce software development standards, best practices, and coding guidelines.
• Conduct code reviews and provide constructive feedback to development team members.
• Evaluate and recommend technologies, frameworks, and tools that support business objectives.
• Drive application architecture, performance optimization, and security initiatives.

Team Management

• Manage, mentor, and develop a team of software developers.
• Assign and prioritize workload to ensure project milestones are achieved.
• Support hiring efforts, including interviewing, onboarding, and performance evaluations.
• Foster a collaborative, high-performing, and accountable team culture.
• Provide technical coaching and career development guidance.

Software Development

• Design, build, test, and maintain enterprise-grade applications using Microsoft technologies.
• Develop RESTful APIs, web applications, and backend services.
• Troubleshoot and resolve complex technical issues.
• Participate in Agile ceremonies, sprint planning, and release management activities.
• Collaborate with QA, DevOps, Product Owners, and business stakeholders throughout the software development lifecycle.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
• 8+ years of professional software development experience using Microsoft technologies.
• 3+ years of experience leading, mentoring, or managing development teams.
• Strong experience with:
• C#
• .NET Framework and .NET Core/.NET 8+
• ASP.NET MVC and ASP.NET Core
• REST API development
• SQL Server and database design
• Entity Framework
• Azure cloud services
• Git source control
• Experience with Agile/Scrum software development methodologies.
• Strong understanding of software architecture, design patterns, and best practices.

Preferred Qualifications

• Experience with Azure DevOps and CI/CD pipelines.
• Experience with containerization technologies such as Docker and Kubernetes.
• Knowledge of microservices architecture.
• Experience with front-end frameworks such as Angular, React, or Vue.js.
• Experience in cloud-native development and modern application modernization initiatives.
• Microsoft Azure certifications are a plus.

Key Competencies

• Leadership and team development
• Strategic and analytical thinking
• Problem-solving and decision-making
• Excellent communication and stakeholder management
• Project planning and execution
• Collaboration and relationship building