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Senior Web Developer Jobs in Washington (NOW HIRING)

One Federal Solution

Senior Web Developer

Arlington, VA · On-site

As a Senior Web Developer, you will support the design, development, enhancement, and maintenance of financial management web applications and reporting tools supporting DEA financial operations and ...

One Federal Solution

Senior Web Developer

Arlington, VA · On-site

As a Senior Web Developer, you will support the design, development, enhancement, and maintenance of financial management web applications and reporting tools supporting DEA financial operations and ...

XLA

Senior Web Developer

Arlington, VA · On-site

XLA is looking for a Senior Web Developer to support a federal agency in Arlington, VA. The role involves full stack web application development using Microsoft .NET technology and Oracle RDBM ...

HarmonyTech

Senior Web Developer

Washington, DC · On-site

HarmonyTech is currently looking for a talented and self-motivated Senior Web Developer specializing in Microsoft .NET, C#, and SQL Development. You will be working with a high-performing agile team ...

Ask IT Consulting

Sr Web Developer

Mclean, VA · On-site

Title: Sr. Web Developer Location: McLean VA Duration: Full Time Description of specific Duties in a typical workday for this position: * Demonstrated expertise in creating and maintaining custom ...

XLA

Senior Web Developer

Arlington, VA

$140K/yr

XLA is looking for a Senior Web Developer to support a federal agency in Arlington, VA. This position requires the candidate to be eligible to obtain a U.S. secret security clearance and is onsite ...

Ask IT Consulting

Sr Web Developer

Mclean, VA

Title: Sr. Web Developer Location: McLean VA Duration: Full Time Description of specific Duties in a typical workday for this position: * Demonstrated expertise in creating and maintaining custom ...

iStrategyLabs

Senior Web Developer

Washington, DC · On-site

ISL is looking for a skilled, hard-working Senior Web Developer to help build amazing experiences for some of the biggest brands in the world. You'll be leading the development of static, dynamic ...

iStrategyLabs

Senior Web Developer

Washington, DC

ISL is looking for a skilled, hard-working Senior Web Developer to help build amazing experiences for some of the biggest brands in the world. You'll be leading the development of static, dynamic ...

HarmonyTech

Senior Web Developer

Washington, DC · On-site

$115K - $130K/yr

HarmonyTech is currently looking for a talented and self-motivated Senior Web Developer specializing in Microsoft .NET, C#, and SQL Development. You will be working with a high-performing agile team ...

inTALENTgent

Senior Web Developer

West Mclean, VA

And their work depends on a Web Developer joining our team to support Government activities at McLean, VA. \n \n \n As a Web Developer supporting the customer, you will be trusted to design solutions ...

New

HarmonyTech

Senior Web Developer

Washington, DC · On-site

$115K - $130K/yr

HarmonyTech is currently looking for a talented and self-motivated Senior Web Developer specializing in Microsoft .NET, C#, and SQL Development. You will be working with a high-performing agile team ...

Red Gate Group

Web Developer

Washington, DC · On-site

Description The Red Gate Group is seeking a Web Developer to support the Defense Intelligence ... This position serves as the senior web development authority across the CIO enterprise, providing ...

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Showing results 1-20

All JobsWeb Developer JobsSenior Web Developer JobsSenior Web Developer Jobs in Washington

Senior Web Developer information

See Washington salary details

$68.5K

$129.7K

$202.7K

How much do senior web developer jobs pay per year?

As of Jul 23, 2026, the average yearly pay for senior web developer in Washington is $129,746.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,100.00 and $148,900.00 per year, depending on experience, location, and employer.

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 are Senior Web Developers?

Senior Web Developers are experienced professionals responsible for designing, building, and maintaining complex websites and web applications. They lead development projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality digital solutions. Senior Web Developers are proficient in multiple programming languages, frameworks, and best practices, ensuring the scalability, security, and performance of web platforms.

Are web developers still in high demand?

Web developers, including senior roles, continue to be in high demand due to ongoing digital transformation and the need for businesses to maintain and improve their online presence. Skills in front-end and back-end development, along with knowledge of frameworks and programming languages, are especially valuable in the current job market.

How much does a senior web developer earn?

A senior web developer's salary typically ranges from $80,000 to $130,000 annually, depending on experience, location, and industry. They often possess skills in JavaScript, HTML, CSS, and frameworks like React or Angular, and may earn additional compensation through bonuses or benefits.

Is AI replacing web devs?

AI tools are increasingly used to assist web developers by automating repetitive tasks, generating code snippets, and improving efficiency. However, the role of a senior web developer involves complex problem-solving, design, and customization that AI cannot fully replace, making human expertise essential in the development process.

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.

Is 50 too old to become a web developer?

Senior web developers can successfully start or transition into the role at age 50 or older, as the profession values skills, experience, and continuous learning. Many employers recognize the value of diverse backgrounds and lifelong learning, and acquiring relevant skills through coding bootcamps, online courses, or certifications can facilitate entry regardless of age.

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 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.
More about Senior Web Developer jobs
What are the most commonly searched types of Web Developer jobs in Washington? The most popular types of Web Developer jobs in Washington are:
What are popular job titles related to Senior Web Developer jobs in Washington? For Senior Web Developer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Senior Web Developer jobs in Washington look for? The top searched job categories for Senior Web Developer jobs in Washington are:
What cities in Washington are hiring for Senior Web Developer jobs? Cities in Washington with the most Senior Web Developer job openings:
Senior Web Developer jobs near you
Infographic showing various Senior Web Developer job openings in Washington as of July 2026, with employment types broken down into 82% Full Time, 5% Part Time, 1% Temporary, and 12% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $129,746 per year, or $62.4 per hour.
Senior Web Developer

Senior Web Developer

One Federal Solution

Arlington, VA • On-site

Full-time

Posted 5 days ago

Job description

One Federal Solution (OFS) seeks a Senior Web Developer (Subject Matter Expert - Senior) to support our Federal Government client within the Drug Enforcement Administration (DEA) Office of Finance. As a Senior Web Developer, you will support the design, development, enhancement, and maintenance of financial management web applications and reporting tools supporting DEA financial operations and business processes.

Senior Web Developer Key Responsibilities:
  • Design, develop, test, deploy, and maintain full-stack web applications supporting financial management business processes and controls.
  • Participate in all phases of the software development lifecycle including requirements gathering, design, implementation, operations, and maintenance.
  • Develop and maintain Single Page Applications (SPA) utilizing modern frontend frameworks.
  • Design and develop middle-tier APIs and web services.
  • Design, develop, and maintain relational database models and data structures.
  • Collaborate with business stakeholders and technical teams to translate requirements into technical solutions.
  • Support application enhancements, maintenance activities, and production issues.
  • Participate in agile development activities including sprint planning, backlog refinement, and code reviews.
  • Develop technical documentation and support deployment activities.
  • Work independently while supporting multiple projects and priorities.
Senior Web Developer Qualifications:
  • Bachelor's Degree required.
  • Minimum of twelve (12) years of progressive experience supporting software development or web application development projects.
  • Experience as a Full Stack Web Developer.
  • Strong experience developing applications using Microsoft .NET technologies, frameworks, libraries, and design best practices.
  • Experience with frontend frameworks such as Vue.js, React, or Angular. Vue.js experience preferred.
  • Experience with JavaScript, HTML, CSS, and Bootstrap or similar CSS frameworks.
  • Experience designing and supporting SQL databases and relational data models.
  • Experience working with Git and common code branching strategies.
  • Ability to work independently and communicate effectively with both technical and non-technical stakeholders.
Preferred Qualifications:
  • Experience supporting financial management systems or financial business processes.
  • Experience supporting CGI Momentum or other commercial off-the-shelf (COTS) financial systems.
  • Experience with Oracle PL/SQL development or Oracle Database Administration.
  • Experience using AI-assisted development tools.
  • AWS certifications including Developer, Solutions Architect, or AI certifications preferred.
About One Federal Solution

One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves in thinking outside the box to co-create with our customers, helping them achieve excellent enterprise-wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing people who deliver high performance and excellence to our government partners.