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Senior R&D Software Developer Jobs in Washington, DC

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

$60.25 - $79.50/hr

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. Join ...

ARA

Senior Software Developer

Fort Belvoir, VA · On-site

$61.75 - $81.50/hr

The Senior Software Developer supports the design, development, and delivery of data analysis tools, collaboration systems, and visualizations that address real-world operational needs and capability ...

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 ...

MAXISIQ, Inc.

Software Developer - Senior

Lorton, VA · Hybrid

$55 - $72.75/hr

We're building a network of highly motivated Software Developers interested in putting their ... Generous paid time off for R&R * Paid time off for volunteering missions * Health membership ...

MAXISIQ, Inc.

Software Developer - Senior

Lorton, VA · On-site

$55 - $72.75/hr

We're building a network of highly motivated Software Developers interested in putting their ... Generous paid time off for R&R * Paid time off for volunteering missions * Health membership ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD · On-site

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

VTG

Senior Software Developer

Hanover, MD · On-site

$54.25 - $71.75/hr

Overview Triaplex, Inc. (A wholly owned subsidiary of VTG) is looking for an Senior Software Developer to join our team. This position will support a mission-focused customer developing, deploying ...

VivSoft Technologies

Senior Software Developer

Herndon, VA · Remote

$55.75 - $73.75/hr

Senior Software Developer Location: Remote, USA Position Type: Full-Time About the company: At VivSoft, we aim to solve complex federal problems using emerging and open technologies in a ...

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 ...

GDIT

Software Developer Senior

Fort Belvoir, VA · Hybrid

$114K - $155K/yr

Yes Deliver simple solutions to complex problems as a Software Developer, Senior at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in ...

VTG

Senior Software Developer

Hanover, MD

$54.25 - $71.75/hr

Overview Triaplex, Inc. (A wholly owned subsidiary of VTG) is looking for an Senior Software Developer to join our team. This position will support a mission-focused customer developing, deploying ...

Prescient Edge

Senior Software Developer

Bethesda, MD · On-site

$58.25 - $77/hr

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 ...

Prescient Edge

Senior Software Developer

Bethesda, MD · On-site

$58.25 - $77/hr

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 ...

ELEVI Associates

Sr Software Developer

Annapolis Junction, MD · On-site

$55.75 - $73.50/hr

ELEVI Associates is seeking a Senior Software Developer to join their Software Development & Engineering team. The role involves supporting the modernization of malware analysis and developing ...

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All JobsSenior R&D Software Developer JobsSenior R&D Software Developer Jobs in Washington, DC

Senior R D Software Developer information

See Washington, DC salary details

$17

$69

$99

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

As of Jun 17, 2026, the average hourly pay for senior r&d software developer in Washington, DC is $69.92, according to ZipRecruiter salary data. Most workers in this role earn between $59.38 and $78.41 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 the most commonly searched types of R&D Software Developer jobs in Washington, DC? The most popular types of R&D Software Developer jobs in Washington, DC are:
What are popular job titles related to Senior R&D Software Developer jobs in Washington, DC? For Senior R&D Software Developer jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Senior R&D Software Developer jobs in Washington, DC look for? The top searched job categories for Senior R&D Software Developer jobs in Washington, DC are:
Senior R D Software Developer jobs near you

Senior Software Developer

Hirekeyz Inc

Fairfax, VA • On-site

$55.75 - $73.50/hr

Contractor

Posted 23 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.