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Senior Software Developer Jobs in Washington, DC

Leidos

Senior Software Developer

Chantilly, VA · On-site

$107K - $195K/yr

Leidos is seeking a Senior Software Developer-SME for a 200+ FTE technical development program supporting the Sponsor's Web-based applications. The Software Developer will work with a large team of ...

Markon

Senior Software Developer

Annapolis Junction, MD · On-site

$195K - $220K/yr

Description PLEX Solutions, LLC, Part of Markon, is looking for a Sr. Software Developer to support a customer in the Annapolis Junction, MD area. In this role, you will lead complex software ...

Markon

Senior Software Developer

Annapolis Junction, MD · On-site

$195K - $220K/yr

PLEX Solutions, LLC, Part of Markon, is looking for a Sr. Software Developer to support a customer in the Annapolis Junction, MD area. In this role, you will lead complex software engineering efforts ...

Markon

Senior Software Developer

Annapolis Junction, MD · On-site

$195K - $220K/yr

Description PLEX Solutions, LLC, Part of Markon, is looking for a Sr. Software Developer to support a customer in the Annapolis Junction, MD area. In this role, you will lead complex software ...

Radiance Technologies

Senior Software Developer

Mclean, VA · On-site

$150K - $175K/yr

Radiance is seeking a Senior Software & Systems Engineer to lead the design, development, and deployment of Geospatial evaluation software. This initiative aims to build a scalable, repeatable, and ...

Radiance Technologies

Senior Software Developer

Mclean, VA · On-site

$150K - $175K/yr

Radiance isseeking a Senior Software & Systems Engineer to lead the design, development, and deployment ofGeospatial evaluation software. This initiative aims to build a scalable, repeatable, and ...

VTG

Senior Software Developer

Herndon, VA · On-site

$180K - $230K/yr

Overview Seeking a motivated, career and customer-oriented Senior Software Developer to join our team in Herndon VA. What will you do? • Understand requirements and be able to translate the ...

ECS

Senior Software Developer

Quantico, VA · On-site

$150K - $170K/yr

Everforth ECS is seeking a Senior Software Developer to work in Quantico, VA . General Description: Are you ready to play crucial role in supporting cutting-edge technology for federal law ...

VT Group (VTG)

Sr. Software Developer

Mclean, VA · On-site

$55.25 - $73/hr

VT Group (VTG) is seeking a Sr. Software Developer with a minimum of 10 years' experience to support the full lifecycle development of innovative web, video, and multimedia training products. The ...

CACI

Senior Software Developer

Jessup, MD

$103K - $218K/yr

Senior Software Developer Job Category: Information Technology Time Type: Part time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Part-Time On-Call Percentage of Travel ...

VTG

Senior Software Developer

Herndon, VA · On-site

$180K - $230K/yr

Overview Seeking a motivated, career and customer-oriented Senior Software Developer to join our team in Herndon VA. What will you do? • Understand requirements and be able to translate the ...

Spatial Front, Inc.

Senior Software Developer

Bethesda, MD · Hybrid

$90K - $130K/yr

Description Spatial Front, Inc. (SFI), a two-time USAToday Top Workplaces awardee and Washington Top Workplaces honoree, is seeking a Senior Software Developer to support our growing team. In this ...

VTG

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Overview We are seeking a versatile Senior Software Developer with expertise in secure software engineering. The ideal candidate will combine technical proficiency in development tools and ...

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Senior Software Developer information

See Washington, DC salary details

$17

$69

$99

How much do senior software developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior software developer in Washington, DC is $69.91, according to ZipRecruiter salary data. Most workers in this role earn between $59.33 and $78.41 per hour, depending on experience, location, and employer.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs

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The most popular types of Software Developer jobs in Washington, DC are:

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For Senior Software Developer jobs in Washington, DC, the most frequently searched job titles are:

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The top searched job categories for Senior Software Developer jobs in Washington, DC are:

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Washington, DC as of August 2026, with employment types broken down into 79% Full Time, 18% Part Time, and 3% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $145,372 per year, or $69.9 per hour.

Senior Software Developer

Leidos

Chantilly, VA • On-site

$107K - $195K/yr

Full-time

Re-posted 27 days ago

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

80th of 500 rated business services

Job description

Leidos is seeking a Senior Software Developer-SME for a 200+ FTE technical development program supporting the Sponsor's Web-based applications. The Software Developer will work with a large team of developers, DevOPS engineers, security engineers, systems engineers, and data engineers. The developer will be full stack knowledgeable, but will likely be focused on technical backend work (e.g., web services).
The candidate must have 6-10 years of demonstrable developer experience with a backend emphasis. Additionally, after a one-year onboarding period, the candidate will be required to be included in an on-call, one week duty rotation that will require them to address any system issues that occur after normal working hours.
Core hours are from 9 AM to 3 PM daily, five days per week, with a forty-hour work week.
Required Quals
  • Active TS/SCI with Polygraph is required.
  • BS degree and 8+ years experience. Additional experience in lieu of degree
  • Strong Java programming skills / Java persistence API experience for complex database schemas
  • Java web services experience (JAX/WS)
  • Strong understanding, knowledge of Linux (CLI)
  • Experience in working on teams utilizing Agile workflows and processes
  • Working knowledge of the Spring frameworks/Boot

Desired Quals
  • Experience with development in Cloud-based environments (e.g., AWS), Java integration with AWS services
  • Databases: Oracle, Oracle RDS
  • Frameworks: Vue.js, Bootstrap/Vuetify
  • Additional programming/scripting languages:
    • Python, JavaScript, Bash, XML, JSON, YAML, SQL and PL/SQL
  • Software:
    • GitHub / Git, ELK (Elasticsearch, Logstash, Kibana), Jenkins, Puppet, NAGIOS

FIP
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:
August 11, 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 $107,900.00 - $195,050.00
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.

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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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