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

Senior Systems Engineer

Gaithersburg, MD · On-site

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Experience with database systems, search engines, model view controller (MVC); web applications

Senior Systems Engineer

Rockville, MD · On-site

$131K - $237K/yr

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Experience with database systems, search engines, model view controller (MVC); web applications

Sr. Software Developer

Gaithersburg, MD · On-site

$107K - $195K/yr

AsaSenior Software Developer, you'll domore than writeexceptional code, you'llhelp build innovative ... Experience developing web-based applications andenterprise softwaresolutions. * Experience ...

Senior UI engineer

Rockville, MD · On-site

$132K - $165K/yr

Senior UI Engineer Location-Rockville,MD or Mclean,VA Focus: Front End Overview Our client is ... web applications. * A successful history of developing, optimizing, and maintaining Angular ...

Mid-Sr Java Developer

Potomac, MD · On-site

$52.75 - $68.25/hr

Job Title: Java Developer Duration: Permanent Looking for Java Developer with 7+ Years of ... Knowledge and experience of web development skills HTML, XML, JavaScript, CSS and AJAX.

Mid-Sr Java Developer

Rockville, MD · On-site +1

$52 - $67.25/hr

Job Title: Java Developer Duration: Permanent Looking for Java Developer with 7+ Years of ... Knowledge and experience of web development skills HTML, XML, JavaScript, CSS and AJAX.

Mid-Sr Java Developer

Rockville, MD · On-site

$52 - $67.25/hr

Job Title: Java Developer Duration: Permanent Looking for Java Developer with 7+ Years of ... Knowledge and experience of web development skills HTML, XML, JavaScript, CSS and AJAX.

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Experience with database systems, search engines, model view controller (MVC); web applications

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Experience with database systems, search engines, model view controller (MVC); web applications

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Experience with database systems, search engines, model view controller (MVC); web applications

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering ... Experience with database systems, search engines, model view controller (MVC); web applications

Senior Java Developer

Rockville, MD · On-site

$80 - $85/hr

... Web Catridges o Web Services, WSDL, UDDI, XML, DTD, XSD,XLST,SOAP, JAVA RMI o BIRT Reports, Jasper reports o RDBMS - Oracle 10g/11g o caBIG tools: caAdapter, caCORE SDK, caCORE Workbench is a Plus ...

Showing results 41-60

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.

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:

What are popular job titles related to Senior Web Developer jobs in Frederick, MD?

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:

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 Systems Engineer

Leidos

Gaithersburg, MD • On-site

$131K - $237K/yr

Full-time

Medical, Retirement, PTO

Re-posted 19 days ago


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

80th of 500 rated business services


Job description

Description

Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.

Leidos has an exciting opening for you as our next TS/SCI Senior Systems Engineer supporting DIA’s National Digital Exploitation and OSINT Center (NDOC) (formerly NMEC) under our 10-year DOMEX Technology Platform (DTP) contract. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, and all associated documentation. You will also take on the role as a scrum master to lead a software development team while managing risks, escalating impediments, and helping to drive continuous process improvement. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. Percentage of remote work will vary based on client requirements/deliverables.

As a senior member of the team, you bring deep expertise in Systems Engineering (SE) and will work closely with Systems Engineers, Software Engineers, Architects as well as Government counterparts on the following key tasks:

  • Technical support, coordination, and execution of systems engineering activities such as feature/requirements analysis, design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment
  • Perform systems engineering tasks within time-boxed (e.g., Agile) sprints and releases. Support sprint and release planning activities as well as the creation of and/or input to work tickets (e.g., Gitlab issues) as well as program/system documentation using collaboration software (e.g., Gitlab
  • Help to define processes for technical platforms, system specifications, input/output and working parameters for hardware and/or software compatibility
  • Assist in establishing SE processes and tools to accomplish analysis, problem diagnosis and solution design, integration and test preparation, risk assessment and mitigation planning, and related activities
  • Manage a scrum team performing development activities across the microservices and support system architectures

You are rigorous while having the ability to work well with people from different disciplines with varying degrees of technical experience. You bring leaderships skills and enthusiasm and meet the following qualifications:

  • BS in Engineering, Computer Science, Systems Engineering, or related field or equivalent experience with 12+ years in software development, system engineering or related field. Additional experience in lieu of degree.
  • Must have an active Top Secret//SCI security clearance with the ability to obtain and maintain Polygraph
  • Broad understanding of GPU-enabled systems architecture and engineering, including GPU integration, virtualization, Multi-Instance GPU (MIG), and associated software stacks.Experience with creating design packages and workflows
  • Experience in writing technical solutions and whitepapers
  • Experience implementing key Agile processes and techniques
  • Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo)
  • Experience with Gitlab (workflow), JIRA, Confluence, or similar tools
  • Excellent verbal and written communication skills

You will wow us even more if you have some of these skills:

  • Software development/coding experience with programming languages such as Python, Java, and React
  • Experience with database systems, search engines, model view controller (MVC); web applications
  • Experience in a Red Hat, Centos or Oracle Linux
  • Familiarity DGX (Deep GPU Xceleration)
  • Experience with big data applications
  • Scaled Agile Framework certification (SAFe Agilist or other)
  • Familiarity with continuous integration/continuous development tools (Jenkins, Bamboo, or equivalent)

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:July 23, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.


What Leidos employees say

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Benefits

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Workplace

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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