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Senior Software Developer Jobs in Reston, VA (NOW HIRING)

CACI International

Senior Software Developer

Springfield, VA · On-site

$57.25 - $75.50/hr

Senior Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of ...

SAP NS2

Senior Software Developer

Mclean, VA · On-site

$56 - $73.75/hr

Senior Software Developer Join a mission-focused team in the Tysons Corner, VA area delivering secure, scalable web and multimedia training solutions in support of critical government initiatives.

Goldbelt, Inc.

Senior Software Developer

Rockville, MD

$136K - $144K/yr

Summary: The Senior Software Developer is a technical leader responsible for designing, developing, testing, and maintaining software applications in support of internal business operations or ...

ARA

Senior Software Developer

Fort Belvoir, VA · On-site

$61.75 - $81.50/hr

They are seeking a Senior Software Developer to lead a multi-disciplinary team in delivering software for the DoD, focusing on data analysis tools and collaboration systems while working in Agile ...

MSRB

Senior Software Developer

Washington, DC

$61.75 - $81.50/hr

The MSRB is seeking a Senior Software Developer who designs and delivers distributed systems. Drives architecture decisions, builds cloud-native applications, and improves legacy platforms. Focuses ...

Leidos

Senior Software Developer

Gaithersburg, MD

$59 - $77.75/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Gaithersburg, MD

$59 - $77.75/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Sr. Software Developer

Alexandria, VA

$58.25 - $77/hr

We have an exciting opportunity for an experienced Sr. Software Engineers to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology in Annapolis Junction, MD;

Leidos

Sr. Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

We have an exciting opportunity for an experienced Sr. Software Engineers to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology in Annapolis Junction, MD;

VTG Defense

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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See Reston, VA salary details

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How much do senior software developer jobs pay per hour?

As of May 28, 2026, the average hourly pay for senior software developer in Reston, VA is $64.24, according to ZipRecruiter salary data. Most workers in this role earn between $54.52 and $72.07 per hour, depending on experience, location, and employer.

What Is a Senior Software Developer?

Senior software developers have several years of experience in the software industry. They have proven successful in exceeding client expectations when developing programs and have provided excellent support in the managing of those applications. They have worked their way up from junior software developer positions and have mastered a variety of coding languages and programs. Senior software developers train and oversee a team of junior software developers.

What are the key skills and qualifications needed to thrive as a Senior Software Developer, and why are they important?

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 kinds of projects and responsibilities can a Senior Software Developer expect to handle on a daily basis?

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 are Senior Software Developers?

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 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
What are the most commonly searched types of Software Developer jobs in Reston, VA? The most popular types of Software Developer jobs in Reston, VA are:
What are popular job titles related to Senior Software Developer jobs in Reston, VA? For Senior Software Developer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Senior Software Developer jobs in Reston, VA look for? The top searched job categories for Senior Software Developer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Senior Software Developer jobs? Cities near Reston, VA with the most Senior Software Developer job openings:
Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Reston, VA as of May 2026, with employment types broken down into 87% Full Time, 9% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $133,618 per year, or $64.2 per hour.
Senior Software Developer

Senior Software Developer

CACI International

Springfield, VA • On-site

$57.25 - $75.50/hr

Other

Medical, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: Senior Software Developer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
The Senior-Level Software Engineer is responsible for applying engineering principles and knowledge of programming languages to build software solutions for NSG/ASG end users.
Responsibilities:

  • Designing and maintaining software systems for use within customer environment
  • Evaluating, integrating and testing new software programs for deployment within NSG/ASG environments
  • Optimizing software for speed and scalability utilizing available technology approved for use within NSG/ASG
  • Writing and testing code as needed
  • Consulting with clients, engineers, security specialists, and other stakeholders internal and external to customers
  • Presenting new features to stakeholders and internal customers
  • Assist in the development of test plans
  • Verify and validate the results of unit tests conducted by other development teams.
  • Writing scripts and code to automate and record the results of tests of integration and interoperability between services
  • Work in concert with government accreditation specialists, to ensure that security related features are tested early in the development process
  • Participates in the development of recommendations for altered processes, job aids, documentation changes, methodology updates, opportunities for innovation and topics for deeper dive analysis and further research, development, test and evaluation (RDT&E), or DevOps Research and Assessment (DORA); based on resulting decisions, performs low to medium complexity adoption, development, integration, implementation of improvements.
  • Participation in all Agile ceremonies (Agile Development Meetings (Scrum, Sprint Planning, Sprint Review/ Demo, Backlog Grooming, Retrospective, etc.).
  • The Senior-Level Software Engineer is also responsible for including outcomes from RDT&E in the various ceremonies and events (e.g., Scrum, Sprint Planning, Sprint Review/ Demo, Backlog Grooming, Retrospective, etc.), and supports the creation, maintenance, quality, and timely delivery of all Contract Deliverables (i.e., CDRL's 001 - 017).
Qualifications:
Required:
  • Must have a TS/SCI to begin employment and then be able to obtain and maintain a CI Poly within 30 days of hire..
  • Bachelor's degree and 9+ years of experience.
  • A minimum of 9 years (7 years with a Master's degree) of information technology experience.
  • NGA experience, with specifically Amazon Web Services (AWS), CORE and NGA Cloud environments (XC, UC, SC, TC)
  • Experience with but not limited to Red Hat, Windows Server, Oracle, JMeter, Jenkins, Swagger, Nexus, Apigee or GitHub/GitLab, Java, Bash, Curl, XML, JSON, SQL, JavaScript, and AWS, C2S.
  • Experience with test management and defect tracking tools
  • Experience with traditional Agile, and DevOps development practices and associated testing strategies, including test-driven development
  • Must have experience in architecting, implementing and managing information technology systems.
  • Must be able to obtain a Security+ certification within 90 days.
  • Must be able to obtain an adjudicated Polygraph within 30 days.
Desired:
  • Demonstrated knowledge of NGA software accreditation procedures
  • Demonstrated knowledge of NGA security procedures

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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