Senior .NET Lead Developer – Hybrid (Secret Clearance)

The 250 Network; Washington (District of Columbia); Hybrid; USD 120,000 - 150,000; Full time

Job summary

The 250 Network in Washington, DC, is seeking an experienced Lead .NET Developer to support a high-profile federal government program. This role involves hands-on development with a focus on mentoring and leading technical decisions. The successful candidate will work in a hybrid environment, with three days onsite, to deliver secure, scalable applications.

Applicants should have 8+ years of experience with Microsoft technologies, strong leadership skills, and must possess an Active Secret Clearance. The role supports a mission-critical initiative.

Qualifications

• Active Secret Clearance is required.
• 8+ years of experience with Microsoft technologies.
• Proven experience in leading teams or serving as a technical lead.
• Strong understanding of object-oriented design principles.

Responsibilities

• Lead design, development, and enhancement of applications.
• Serve as technical lead, providing mentorship and guidance.
• Develop backend services using .NET/C#.
• Collaborate with stakeholders to translate requirements into solutions.

Skills

C#

RESTful APIs

Node.js

Microsoft Power Platform

SQL Server

Azure cloud services

DevOps pipelines

CI/CD

Agile/Scrum

Software Architecture

Education

Bachelor’s degree in Computer Science or Information Technology

Tools

Git

Entity Framework

Power Apps

Power Automate

Job description

The 250 Network in Washington, DC, is seeking an experienced Lead .NET Developer to support a high-profile federal government program. This role involves hands-on development with a focus on mentoring and leading technical decisions. The successful candidate will work in a hybrid environment, with three days onsite, to deliver secure, scalable applications.

Applicants should have 8+ years of experience with Microsoft technologies, strong leadership skills, and must possess an Active Secret Clearance. The role supports a mission-critical initiative.