ZipRecruiter

Log In

1

Senior Net Developer Jobs in Frederick, MD (NOW HIRING)

A-TEK Inc.

Senior .NET Developer

Rockville, MD · Remote

$125K - $130K/yr

Senior .NET Developer A-TEK, and its subsidiary, Mackson Consulting, are at the forefront of digital innovation, offering advanced IT services and solutions with a focus on emerging technologies. We ...

New

Compugain

Sr SDET

Rockville, MD · On-site

$112K - $146K/yr

NET. * 1+ years of experience in Selenium WebDriver or comparable UI automation framework is ... Experience with functional or Performance or Security or DevOps test tools. * Demonstrable ...

Compugain

Sr SDET

Rockville, MD · On-site

$112K - $146K/yr

NET. * 1+ years of experience in Selenium WebDriver or comparable UI automation framework is ... Experience with functional or Performance or Security or DevOps test tools. * Demonstrable ...

next page

Showing results 1-20

All JobsNet Developer JobsSenior Net Developer JobsSenior Net Developer Jobs in Frederick, MD

Senior Net Developer information

See Frederick, MD salary details

$36

$59

$77

How much do senior net developer jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for senior net developer in Frederick, MD is $59.86, according to ZipRecruiter salary data. Most workers in this role earn between $52.60 and $66.92 per hour, depending on experience, location, and employer.

What is the difference between Senior Net Developer vs .NET Developer?

AspectSenior Net Developer.NET Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsMicrosoft Certified: Azure Developer Associate or similarOptional, but beneficial
Work EnvironmentLead projects, mentor juniors, design architectureDevelop applications, write code, troubleshoot
ResponsibilitiesArchitect solutions, oversee team, optimize performanceBuild and maintain .NET applications, implement features

The main difference between a Senior Net Developer and a .NET Developer lies in experience, responsibilities, and leadership. Senior Net Developers typically have more years of experience, hold advanced certifications, and take on leadership roles in project design and team mentoring. In contrast, .NET Developers focus on coding and application development with less emphasis on leadership or architecture. Both roles are essential in the software development lifecycle, but the senior position involves broader strategic responsibilities.

What are the most commonly searched types of Net Developer jobs in Frederick, MD?

The most popular types of Net Developer jobs in Frederick, MD are:

What cities near Frederick, MD are hiring for Senior Net Developer jobs?

Cities near Frederick, MD with the most Senior Net Developer job openings:

Senior Net Developer jobs near you
Infographic showing various Senior Net Developer job openings in Frederick, MD as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 15% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $124,502 per year, or $59.9 per hour.

Sr. NET Developer / AI Developer / Power BI

System One

Rockville, MD • On-site

$56 - $71.25/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 2 days ago

Job description

Job Title: Sr. NET Developer / AI Developer / Power BI Location: MUST BE LOCAL TO MD, VA or DC Type: Contract Compensation: Negotiable, W-2 or C2C Work Model: Hybrid Hours: 35 work hours a week All residency status may apply

Responsibilities

  • Design, build, modernize, and support modern applications in Microsoft Azure
  • Develop and implement cloud-native architectures utilizing .NET Core/.NET 8, C#, and Azure services such as App Services, Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, and AI Foundry.
  • Modernize legacy .NET applications and integrate AI-powered solutions, including Azure AI Foundry, Azure OpenAI, AI agents, Retrieval-Augmented Generation (RAG), and prompt engineering.
  • Utilize GitHub Copilot, GitHub, Azure DevOps, CI/CD pipelines, and containerization tools to streamline development processes.
  • Work with SQL, Cosmos DB, and modern UI frameworks like Blazor, React, or Angular to develop user interfaces and manage data efficiently.
  • Evaluate data, identify trends, conduct feasibility studies, perform gap analyses, and provide actionable insights.
  • Communicate complex ideas clearly to diverse audiences and collaborate effectively with stakeholders, project teams, and leadership.
Requirements
  • Proficiency in C#, ASP.NET Core, and cloud-native development.
  • Strong experience with Azure services, microservices, API security, and Microsoft Entra ID/B2C authentication.
  • Experience modernizing .NET Framework/Web Forms applications to .NET 8 or cloud-native architectures.
  • Hands-on experience with Azure AI Foundry, Azure OpenAI, AI agents, RAG, prompt engineering, and GitHub Copilot.
  • Proficient with GitHub or Azure DevOps, CI/CD pipelines, and containerization.
  • Solid understanding of SQL, Cosmos DB, and modern UI frameworks such as Blazor, React, or Angular.
  • Excellent analytical, problem-solving, communication, and interpersonal skills.
  • Self-motivated, organized, detail-oriented, and able to manage multiple priorities in a fast-paced environment.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1 #LI-CB3

Ref: #851-Rockville-S1

System One logo

About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

View All System One Jobs