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Senior Web Developer Jobs in Washington, DC (NOW HIRING)

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 ...

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 ...

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 ...

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 ...

Web Developer Senior

Chantilly, VA · On-site

$103K - $218K/yr

Web Developer Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to ...

Showing results 21-40

Senior Web Developer information

See Washington, DC salary details

$68.5K

$129.7K

$202.7K

How much do senior web developer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior web developer in Washington, DC is $129,698.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,000.00 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.

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 hold certifications that enhance their earning potential.

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 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.
What are the most commonly searched types of Web Developer jobs in Washington, DC? The most popular types of Web Developer jobs in Washington, DC are:
What are popular job titles related to Senior Web Developer jobs in Washington, DC? For Senior Web Developer jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Senior Web Developer jobs in Washington, DC look for? The top searched job categories for Senior Web Developer jobs in Washington, DC are:
Infographic showing various Senior Web Developer job openings in Washington, DC as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 13% Part Time, and 8% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $129,698 per year, or $62.4 per hour.

Senior Web Developer

HarmonyTech

Washington, DC • On-site

$115K - $130K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


Job description

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 leading, designing and implementing business solutions that involve an enterprise records management solution.

The developer will be responsible for evaluating the technical architecture of the environment, translating business requirements into software applications and modules, designing and implementing improvements to the environment, creating database schemas, tables and stored procedures, providing surge support for maintaining application infrastructure, and assisting with user support for the system.

Position is available in Washington DC, requires public trust clearance, and US citizenship.

Required

  • Minimum 4 years of hands-on software development experience
  • Experience in a technical role supporting large scale IT systems, preferably for document and records management
  • Bachelor's degree in Computer Science or related field
  • Minimum 5 years developing ASP.NET, ASP.NET MVC and ASP.NET Web API code following established best programming practices
  • Developing custom services, components, or modules using C# and .NET Framework
  • Experience designing, creating and implementing database systems based on the end user's requirements
  • Experience developing and maintaining efficient, well-documented custom SQL scripts, stored procedures, and triggers using Microsoft T-SQL
  • Experience creating and troubleshooting query performance using SQL Server Profiler, Performance Monitor, DBCC Commands, Database Engine Tuning Advisor and Execution plans
  • Experience developing new and maintaining existing reports using SQL Server Reporting Services (SSRS)

Desired

  • Experience automating data Import/Extraction using SQL Server tools such as SSIS, BCP, bulk insert
  • Experience with SQL Server Data Tools projects in Microsoft Visual Studio and DACPAC deployment
  • Experience with database DevOps practices like continuous integration, automated testing and deployment automation
  • Experience with Record Management systems (preferably eDocs) or similar platforms
  • Federal government consulting experience

If you are interested and feel that you would excel in the position, we invite you to apply. During this phase of our recruiting effort, we will not be able to accept telephone calls. Only those candidates meeting the requirements will be contacted. No recruiters please.

About HarmonyTech

We have been delivering information technology services and solutions across the Federal government and commercial clients for over a decade. Our employees are the most important assets of our company because they delivery value and care for our clients. We are a company of passionate technologist constantly evolving in our understanding and application of technology to best fulfill our client’s mission needs. We operate under a flat and efficient organizational structure to ensure our hand-picked consultants have the flexibility to take risks and be innovative. We typically work in small, agile teams as we design and develop solutions to address our client’s business challenges. Our success is measured with every satisfied customer and employee.

Why you want to join us

  • You have a passion for solving our customers complex business problems
  • Awesome learning and professional development opportunities
  • A culture built on teamwork and excellence

Benefits

HarmonyTech offers a highly competitive salary and benefits package including:

  • Medical/Dental/Vision Insurance (company contributes 80% of the entire premium)
  • Short/Long Term Disability Coverage
  • Life and AD&D Insurance
  • 401(k) Retirement Plan with Company Match
  • Tuition Reimbursement
  • Employee Referral Bonus
  • Paid Federal Holidays
  • Accrued Paid Time Off
  • Click the benefits package link above to check out the benefits we offer

Legal

HarmonyTech believes in a policy of equal employment and opportunity for all people based on merit. We are an Equal Opportunity Employer (EEO) and Drug Free Workplace Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin or any other category protected by applicable federal, state or local laws.

The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel. Additionally, they do not establish a contract for employment and are subject to change at the discretion of HarmonyTech.

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