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Flex Remote Full Stack Web Developer Jobs in Washington

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Build and maintain Java web services and integration layers between UI and data sources

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Build and maintain Java web services and integration layers between UI and data sources

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Build and maintain Java web services and integration layers between UI and data sources

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Build and maintain Java web services and integration layers between UI and data sources

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Build and maintain Java web services and integration layers between UI and data sources

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Build and maintain Java web services and integration layers between UI and data sources

Reliant Space

Full Stack Developer

Reston, VA · Remote

Reliant Space is seeking a Full Stack Developer to design, develop, and maintain web-based ... This is a hybrid remote and in-office position that will require travel and will require shift work ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... The ideal candidate has strong hands-on experience with Python and JavaScript, modern web ...

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All JobsFull Stack Web Developer JobsFlex Remote Full Stack Web Developer JobsFlex Remote Full Stack Web Developer Jobs in Washington

Flex Remote Full Stack Web Developer information

What is the difference between Flex Remote Full Stack Web Developer vs Flex Remote Front End Developer?

AspectFlex Remote Full Stack Web DeveloperFlex Remote Front End Developer
Required SkillsProficiency in both front-end and back-end technologies, such as HTML, CSS, JavaScript, and server-side languagesStrong skills in HTML, CSS, JavaScript, and front-end frameworks like React or Angular
Work EnvironmentRemote, often collaborating across teams on full project stacksRemote, focused on user interface and client-side development
Industry UsageCommon in startups, tech companies, and agencies needing versatile developersPopular in companies emphasizing UI/UX and front-end design

The main difference is that a Flex Remote Full Stack Web Developer handles both front-end and back-end development, while a Flex Remote Front End Developer specializes in the user interface and client-side code. Your choice depends on whether you prefer working across the entire tech stack or focusing on the visual and interactive aspects of websites.

What are the most commonly searched types of Remote Full Stack Web Developer jobs in Washington?

The most popular types of Remote Full Stack Web Developer jobs in Washington are:

What are popular job titles related to Flex Remote Full Stack Web Developer jobs in Washington?

For Flex Remote Full Stack Web Developer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Flex Remote Full Stack Web Developer jobs in Washington look for?

The top searched job categories for Flex Remote Full Stack Web Developer jobs in Washington are:

Flex Remote Full Stack Web Developer jobs near you
Infographic showing various Flex Remote Full Stack Web Developer job openings in Washington as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 11% Part Time, 1% Temporary, and 6% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution.

Sr Java Full Stack Developer

Reston, VA • Remote

System One
Business Consulting Services • 5 - 10K employees
Learn more about System Oneexternal

$97/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 9 days ago

Job description

SR JAVA FULL STACK DEVELOPER (AWS / EKS / Angular)

Location: Hybrid — Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule: 40 hours/week Pay (W2): USD $97.00/hr

JOB OVERVIEW

We’re seeking a Senior Java Full Stack Developer to a strategic cloud modernization initiative (deliverables targeted through the end of 2026). This role is focused on replatforming/migrating existing services - moving Java REST services currently deployed on-prem into AWS (EKS) - while continuing to support a modern Angular front end.

This is a backend-leaning full stack role (70% backend / 30% frontend). Pure backend candidates won’t be a fit: the team needs engineers who can flex across the stack as priorities shift and who can demonstrate real front-end experience plus strong aptitude.

WHAT YOU’LL DO

  • Perform hands-on design, coding, testing, and support of complex enterprise applications at scale
  • Help migrate and modernize Java REST services from on-prem to AWS EKS
  • Build and maintain Java web services and integration layers between UI and data sources
  • Contribute to the Angular front end as needed (this is not a UI-only role, but UI contribution is required)
  • Work with databases including MongoDB and Aurora PostgreSQL (similar enterprise DB experience is acceptable)
  • Implement and execute automated testing and quality practices (including Playwright)
  • Support CI/CD, code quality, and DevOps-aligned delivery standards
  • Provide production support, troubleshoot critical issues, and drive continuous improvement
  • Participate in scoping/architecture conversations and mentor junior engineers as needed

REQUIRED QUALIFICATIONS

  • Bachelor’s degree in IT/Computer Science (or additional relevant experience in lieu of degree)
  • 5+ years of software engineering experience across the SDLC (requirements, design, build, test, and support)
  • Full stack experience with a backend-heavy focus (70/30 backend/frontend)
  • Java 17+ required (environment currently using Java 21)
  • Angular 17+ required (currently on Angular 18, targeting newer versions)
  • AWS is a hard requirement, including multiple years deploying and managing EKS
  • Experience migrating/replatforming services from on-prem to AWS
  • Strong experience with modern engineering practices: CI/CD, automated testing, agile delivery, and code quality standards

NICE TO HAVE

  • AWS certifications (especially AWS Developer or AWS Solutions Architect) — “highly preferable”
  • Experience with AWS AI/coding assistants (e.g., Amazon Q, Kiro) and an AI-first engineering mindset

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

Ref: #851-Rockville-S1

#M-M2 #LI-

Ref: #851-Rockville-S1

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

View All System One Jobs