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Sr .NET Developer

King of Prussia, PA, US • Posted 21 hours ago • Updated 9 hours ago

Full Time

On-site

USD $68.00 - 70.00 per hour

Cayuse Holdings, LLC

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Job Details

Skills

IBM iSeries
Software Design
IT Management
Performance Tuning
Team Management
Recruiting
Interviewing
Onboarding
Accountability
Coaching
Web Applications
Sprint
Release Management
Quality Assurance
Computer Science
Information Technology
Software Development
Microsoft Technologies
Mentorship
Management
C#
.NET
ASP.NET MVC
ASP.NET
RESTful
Microsoft SQL Server
Database Design
Entity Framework
Git
Version Control
Agile
Scrum
Software Development Methodology
Software Architecture
Design Patterns
DevOps
Continuous Integration
Continuous Delivery
Docker
Kubernetes
Microservices
AngularJS
React.js
Vue.js
Cloud Computing
Software Modernization
Microsoft Azure
Leadership
Team Building
Analytical Skill
Conflict Resolution
Problem Solving
Decision-making
Communication
Stakeholder Management
Project Planning
Collaboration
Relationship Building

IBM iSeries
Software Design
IT Management
Performance Tuning
Team Management
Recruiting
Interviewing
Onboarding
Accountability
Coaching
Web Applications
Sprint
Release Management
Quality Assurance
Computer Science
Information Technology
Software Development
Microsoft Technologies
Mentorship
Management
C#
.NET
ASP.NET MVC
ASP.NET
RESTful
Microsoft SQL Server
Database Design
Entity Framework
Git
Version Control
Agile
Scrum
Software Development Methodology
Software Architecture
Design Patterns
DevOps
Continuous Integration
Continuous Delivery
Docker
Kubernetes
Microservices
AngularJS
React.js
Vue.js
Cloud Computing
Software Modernization
Microsoft Azure
Leadership
Team Building
Analytical Skill
Conflict Resolution
Problem Solving
Decision-making
Communication
Stakeholder Management
Project Planning
Collaboration
Relationship Building

Summary

Overview

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.

Responsibilities

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.

Qualifications

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

Pay Range

USD $68.00 - USD $70.00 /Hr.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91099930
Position Id: 2026-4140
Posted 21 hours ago

Company Info

About Cayuse Holdings, LLC

Founded initially in 2006, Cayuse Holdings is today comprised of a family companies headquartered near Pendleton, Oregon, with offices in the Washington D.C. metro area, and Honolulu, HI. Tribally owned by the Confederated Tribes of the Umatilla Indian Reservation (CTUIR), Cayuse Holdings is a 100% Indian Owned Economic Enterprise and a foremost provider of responsible sourcing/certified diversity solutions for commercial, government, and tribal clients.

Our Mission

To become the #1 American Indian-owned commercial, government, and tribal contractor, providing trusted value for our clients, reliable and rewarding careers for our employees and contributing to the growth of the CTUIR.

Our Vision

Grow the Company, Grow the People!

Šapásttawaxt kutkutpama,́ Šapásttawaxt natítayt

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