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

Leidos

Senior Salesforce Developer Architect

Gaithersburg, MD · Remote

$135K - $165K/yr

Leidos is seeking a highly skilled and motivated Senior Salesforce Developer Architect to join our ... Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, SOQL/SOSL ...

Leidos

Senior Salesforce Developer Architect

Gaithersburg, MD · On-site

$135K - $165K/yr

Leidos is seeking a highly skilled and motivated Senior Salesforce Developer Architect to join our ... Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, SOQL/SOSL ...

Axle

Senior Full Stack Developer

Rockville, MD · On-site

They are seeking a Senior Full Stack Developer to work with clients across the federal space ... web services • Implement modern and responsive UI for the web and variety of devices • ...

Leidos

Sr. Software Developer

Gaithersburg, MD · On-site

$59 - $77.75/hr

As a Senior Software Developer, you'll do more than write exceptional code, you'll help build ... Experience developing web-based applications and enterprise software solutions. * Experience ...

Leidos LLC

Sr. Software Developer

Gaithersburg, MD · On-site

$108 - $195/hr

As a Senior Software Developer, you'll do more than write exceptional code, you'll help build ... Experience developing web-based applications and enterprise software solutions. * Experience ...

1872 Consulting

Senior Software Engineer

Germantown, MD · On-site

$123K - $163K/yr

Position SummaryThe Senior Software Developer is responsible for building scalable cloud and web-based platforms using.Net core, C#, SPA, RDBMS and NoSQL, GO, GCP, AWS, K8. In this role, you will ...

1872 Consulting

Senior Software Engineer

Germantown, MD · On-site

$123K - $163K/yr

Position SummaryThe Senior Software Developer is responsible for building scalable cloud and web-based platforms using.Net core, C#, SPA, RDBMS and NoSQL, GO, GCP, AWS, K8. In this role, you will ...

360 IT Professionals

Java Developer

Germantown, MD · On-site

$51.50 - $66.75/hr

Our services are vast and we produce software and web products. We specialize in Mobile development ... Additional Information Unfeigned Regards, Harmanpreet Singh Walia | Sr. Talent & Client Acquisition ...

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All JobsWeb Developer JobsSenior Web Developer JobsSenior Web Developer Jobs in Frederick, MD

Senior Web Developer information

See Frederick, MD salary details

$60.2K

$113.9K

$178K

How much do senior web developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior web developer in Frederick, MD is $113,900.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,500.00 and $130,700.00 per year, depending on experience, location, and employer.

What is a senior web developer?

A senior web developer is a highly skilled computer coding professional with fluency in languages such as HTML, JavaScript, and CSS. In this career, your responsibilities include designing, developing, and debugging the backend of software programs for websites, applications, tools, and databases. You also work with JavaScript frameworks, develop tests using testing frameworks, help build and deploy automation scripts, troubleshoot, and resolve app performance issues. As a senior web developer, you may supervise a team of developers and collaborate with user experience designers to determine what the frontend user experience and website layout will look like during the design phase. Other duties may include enforcing coding standards, reviewing the work completed by your team, managing the budget and project schedule, and communicating directly with clients.

What are the key skills and qualifications needed to thrive as a senior web developer, and why are they important?

To thrive as a Senior Web Developer, you need advanced proficiency in programming languages like JavaScript, HTML, CSS, and backend frameworks, supported by a bachelor’s degree in computer science or equivalent experience. Expertise in tools such as version control (Git), CI/CD pipelines, and knowledge of modern frameworks (React, Angular, Node.js) are typically required, along with relevant certifications. Strong problem-solving ability, effective communication, and leadership skills help you collaborate across teams and mentor junior developers. These competencies ensure high-quality, scalable web solutions and support successful project delivery in dynamic development environments.

What are some common challenges faced by senior web developers when leading project teams?

Senior Web Developers often encounter challenges such as balancing hands-on coding responsibilities with mentoring junior team members and ensuring project deadlines are met. They must also navigate evolving technologies and frameworks, which requires ongoing learning and adaptability. Effective communication with designers, backend developers, and project managers is essential to align technical solutions with business goals. Successfully managing these aspects leads to smoother project delivery and professional growth.

What is the difference between Senior Web Developer vs Web Developer?

AspectSenior Web DeveloperWeb Developer
Required CredentialsBachelor's in CS or related, experience, possibly certificationsBachelor's in CS or related, entry-level or junior experience
Work EnvironmentCollaborates on complex projects, mentors juniorsDevelops websites, learns on the job, less responsibility
Employer & Industry UsageTech companies, agencies, startupsSmall businesses, startups, freelance projects
Search & Comparison IntentUnderstanding senior roles, career progressionEntry-level, learning web development

The main difference between a Senior Web Developer and a Web Developer lies in experience, responsibilities, and expertise. Senior Web Developers handle complex projects, mentor team members, and often have more advanced skills and certifications. Web Developers are typically entry-level or junior roles focused on building websites and gaining experience. Both roles are essential in the tech industry, but the senior position involves greater leadership and technical depth.

More about Senior Web Developer jobs

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

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

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For Senior Web Developer jobs in Frederick, MD, the most frequently searched job titles are:

What job categories do people searching Senior Web Developer jobs in Frederick, MD look for?

The top searched job categories for Senior Web Developer jobs in Frederick, MD are:

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

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

Senior Web Developer jobs near you
Infographic showing various Senior Web Developer job openings in Frederick, MD as of August 2026, with employment types broken down into 1% Internship, 71% Full Time, 23% Part Time, 1% Temporary, and 4% Contract. Highlights an 76% Physical, 3% Hybrid, and 21% Remote job distribution, with an average salary of $113,900 per year, or $54.8 per hour.

Senior .NET Developer / AI Developer (Hybrid)

Serigor, Inc.

Rockville, MD • On-site

$55.50 - $73.50/hr

Full-time

Re-posted 10 days ago

Job description

Job Title: Senior .NET Developer / AI Developer
Location- Rockville, MD 20850
Duration: 1+ Year (Potential Extensions)
Scope of Work
We are seeking a Senior .NET Developer with strong cloud experience to design, build, modernize, and support modern applications in Microsoft Azure. The ideal candidate is proficient in .NET Core/.NET 8, C#, and cloud-native architectures, with hands-on experience integrating Azure services such as App Services, Functions, API Management, Service Bus, Azure SQL, Azure OpenAI and AI Foundry, and GitHub Copilot for Developers. The contractor will work with County staff to modernize legacy .NET applications and implement AI-powered solutions.
Technical Skills
  • Expert 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, Retrieval-Augmented Generation (RAG), prompt engineering, and GitHub Copilot.
  • Proficient with GitHub or Azure DevOps, CI/CD, and containerization.
  • Solid understanding of SQL, Cosmos DB, and modern UI frameworks (Blazor/React/Angular).

Analytical and Problem-Solving Skills
  • Exceptional analytical skills to evaluate data, identify trends, and provide actionable insights.
  • Experience conducting feasibility studies and solution assessments.
  • Expertise in conducting gap analyses.

Communication and Interpersonal Skills
  • Excellent verbal and written communication skills to clearly articulate complex ideas to diverse audiences.
  • Strong interpersonal skills to effectively collaborate with stakeholders, project teams, and senior leadership.

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