Sr .NET Developer

Cayuse Holdings; King of Prussia (PA); Hybrid; USD 141,000 - 146,000; Part time

Job summary

Cayuse Holdings in King of Prussia, PA is seeking an experienced Senior .NET Developer to lead a team while actively participating in design, development, and delivery of enterprise applications.

The ideal candidate demonstrates hands-on leadership, architectural decision-making, and collaboration with stakeholders to drive high-quality solutions. Hybrid work arrangement with four days onsite and one day remote is offered.

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 methodologies; leadership and architecture knowledge.

Responsibilities

• 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 team members.
• Evaluate and recommend technologies, frameworks, and tools to support objectives.
• Drive architecture, performance optimization, and security initiatives.
• Manage, mentor, and develop a team of software developers.
• Assign and prioritize workload to meet milestones.
• Support hiring efforts, including interviewing and onboarding.

Skills

Leadership

Strategic thinking

Communication

Stakeholder management

Agile/Scrum

Education

Bachelor's degree in Computer Science or related field

Tools

C#

NET Framework/.NET Core

ASP.NET MVC/Core

REST API

SQL Server

Entity Framework

Azure

Git

Job description

Overview

JobTitle: Sr .NET DeveloperLocation: Hybrid - King of Prussia, PA (4 days onsite/1 day remote)

Job Type:Independent Contract (Contractor / Non-Employee)StartDate: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.