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Senior R&D Software Developer Jobs in Fairfax, VA

Hirekeyz Inc

Senior Software Developer

Fairfax, VA · On-site

$55.75 - $73.50/hr

Senior Software Developer Location: Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per ... Work Location: * 3 days in Fairfax, VA, 2 days in Washington, D.C.

ECS

Senior Software Developer

Washington, DC · On-site

$141K - $156K/yr

Everforth ECS Federal is seeking a Senior Software Developer to support a mission-focused federal IT program in Washington DC . Please Note: This position is contingent upon contract award. Salary ...

Vidoori

Senior Software Developer

Hyattsville, MD · On-site

$54.75 - $72.25/hr

Role Overview - Senior Software Developer Reporting to engineering leadership, the Senior Software Developer will be a core contributor to one or more product squads or platform teams. This role ...

Vidoori

Senior Software Developer

Hyattsville, MD

$54.75 - $72.25/hr

Role Overview - Senior Software Developer Reporting to engineering leadership, the Senior Software Developer will be a core contributor to one or more product squads or platform teams. This role ...

Agelix Consulting

Software Developer

Washington, DC · On-site

Senior Software Developer | Washington D.C. Develops efficient, maintainable, and scalable software solutions across a diverse stack: PHP, TUI, Moodle, Lucee Cold Fusion, Java, C++, JavaScript, and ...

Prescient Edge

Senior Software Developer

Bethesda, MD · On-site

$130K - $180K/yr

Job Title Senior Software Developer Location Bethesda, MD 20800 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education Master's Degree Travel ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site +1

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

NS2 Mission

Senior Software Developer

Chantilly, VA · On-site

$56.25 - $74.50/hr

We're seeking a Senior Software Developer to join our team in Chantilly, VA , where you'll design ... we'd love to hear from you. Key Responsibilities * Design, develop, and maintain enterprise ...

AnaVation

Software Developer

Washington, DC · On-site +1

Working under the guidance of senior developers, you'll apply foundational programming skills and ... Life and AD&D Insurance About AnaVation AnaVation is the leader in solving the most complex ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Senior Software Developer ???? National Capital Region ???? TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that ...

Wsgr

Senior Software Developer

Washington, DC · On-site +1

$147K - $198K/yr

Wilson Sonsini is seeking an experienced Senior Software Developer to join our Innovations team ... D.C., and all other locations: $147,050 - $198,950 per year. The compensation for this position may ...

AnaVation

Software Developer

Washington, DC · On-site +1

Working under the guidance of senior developers, you'll apply foundational programming skills and ... Life and AD&D Insurance About AnaVation AnaVation is the leader in solving the most complex ...

AnaVation

Software Developer

Washington, DC · Remote

Working under the guidance of senior developers, you'll apply foundational programming skills and ... Life and AD&D Insurance About AnaVation AnaVation is the leader in solving the most complex ...

AnaVation

Software Developer

Washington, DC · On-site +1

Working under the guidance of senior developers, you'll apply foundational programming skills and ... Life and AD&D Insurance About AnaVation AnaVation is the leader in solving the most complex ...

Nalley Consulting

Software Developer - Sr

Reston, VA · On-site

$57.50 - $76/hr

Software Developer LCAT: Senior Location: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI poly taken ...

Nalley Consulting

Software Developer - Sr

Reston, VA · On-site

$57.50 - $76/hr

Software Developer LCAT: Senior Location: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI poly taken ...

Redhorse Corporation

Senior Software Developer

Arlington, VA · On-site

$62.75 - $83/hr

They are seeking a Senior Software Developer to lead the evolution of the DOJ National Classified Services application stack, focusing on the re-development of custom applications and ensuring secure ...

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All JobsR&D Software Developer JobsSenior R&D Software Developer JobsSenior R&D Software Developer Jobs in Fairfax, VA

Senior R D Software Developer information

See Fairfax, VA salary details

$15

$63

$89

How much do senior r&d software developer jobs pay per hour?

As of Aug 3, 2026, the average hourly pay for senior r&d software developer in Fairfax, VA is $63.10, according to ZipRecruiter salary data. Most workers in this role earn between $53.56 and $70.77 per hour, depending on experience, location, and employer.

What is the difference between Senior R&D Software Developer vs Software Engineer?

AspectSenior R&D Software DeveloperSoftware Engineer
CredentialsBachelor's or Master's in Computer Science or related field; experience in R&DBachelor's or higher in Computer Science or related field
Work EnvironmentResearch and development labs, innovation teamsDevelopment teams, product-focused environments
Industry UsageTech, manufacturing, research institutionsTech companies, startups, software firms
Common Search/ComparisonOften compared for R&D roles and advanced developmentMore general software development roles

The main difference is that a Senior R&D Software Developer focuses on innovative research, prototyping, and developing new technologies within R&D environments, often requiring specialized knowledge and experience. In contrast, a Software Engineer typically works on building, testing, and maintaining software products in production environments. Both roles require strong programming skills, but the Senior R&D role emphasizes research and experimentation.

What are popular job titles related to Senior R&D Software Developer jobs in Fairfax, VA? For Senior R&D Software Developer jobs in Fairfax, VA, the most frequently searched job titles are:
What job categories do people searching Senior R&D Software Developer jobs in Fairfax, VA look for? The top searched job categories for Senior R&D Software Developer jobs in Fairfax, VA are:
What cities near Fairfax, VA are hiring for Senior R&D Software Developer jobs? Cities near Fairfax, VA with the most Senior R&D Software Developer job openings:
Senior R D Software Developer jobs near you

Senior Software Developer

Hirekeyz Inc

Fairfax, VA • On-site

$55.75 - $73.50/hr

Contractor

Re-posted 10 days ago

Job description

Role: Senior Software Developer

Location: Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per Week.

Duration: Long Term Contract

Position Require a Secret Clearance

Job Description:

The Senior Software Developer role requires a deep expertise in Java SE 11, strong full‑stack skills, and hands‑on experience architecting and deploying applications on Amazon Web Services (AWS). This role focuses on building scalable, secure, cloud‑native systems using AWS best practices. The role will Implement technical strategy, mentor engineers, and shape high‑impact cloud solutions for the DoD on AWS GovCloud. This role emphasizes backend architecture, distributed systems, API development, and cloud-native engineering, while also leveraging full‑stack fundamentals (HTML, CSS, SQL) for end‑to‑end solution delivery.

Primary Responsibilities: 

  • Architect, design, and implement backend services, microservices, and RESTful APIs using Java SE 11.
  • Leverage Java SE 11 capabilities (e.g., var, enhanced HTTP Client, modern JVM improvements) to build efficient and maintainable components.
  • Design efficient data models and schemas using SQL
  • Contribute to front-end integration using HTML5, CSS3, and foundational JavaScript.
  • Develop secure, high‑availability distributed systems aligned with AWS best practices.
  • Implement robust error handling, caching strategies, and performance optimizations across backend services.
  • Integrate with databases, message queues, API gateways, and third‑party systems
  • Apply AWS Well‑Architected Framework principles to ensure operational excellence, security, reliability, performance, and cost efficiency.
  • Conduct in-depth code reviews, provide technical mentorship, and drive engineering best practices.
  • Optimize systems for performance, observability, monitoring, security, and fault tolerance.
  • Work closely with DevOps teams to build and maintain CI/CD pipelines, deployment workflows, and cloud-based infrastructure.
  • Support operations and sustainment activities.
  • All other duties as assigned by management.

Skills and Qualifications:

  • Bachelor’s degree in computer science or a technical field
  • 8 years developing complex support applications with proven leadership in legacy software rebuilds
  • 8 years working in Java Standard Edition 11
  • 8 years AWS and Cloud computing experience
  • Front and back-end development knowledge in JAVA, HTML, SQL, CSS
  • Experience in cloud computing.
  • Excellent communication and management skills.

Certifications Preferred:

  • Microsoft Certified Solutions Developer (MCSD)
  • Zend PHP Certified Engineer
  • Microsoft Certified Solutions Expert (MCSE)

Security Clearance Requirements:

  • Must be a U.S. Citizen
  • Must have an active DoD Secret clearance.

Work Location:

  • 3 days in Fairfax, VA, 2 days in Washington, D.C.