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Freelance Full Stack Engineer Jobs in Washington, DC

HHAeXchange

Full Stack Engineer

Washington, DC · On-site

$80K - $120K/yr

We're looking for a Full Stack Engineer who's eager to grow fast, think big, and build products that make a difference, improving the experience of thousands of caregivers and families. You'll work ...

Jobtailor

Full-Stack Engineer, AWS

Fort George G Meade, MD · On-site

$120 - $180/hr

Monitor system health and performance using CloudWatch and OpenSearch Requirements * 5-7+ years of experience as a full-stack engineer * AWS Certified Solutions Architect certification * Experience ...

MetaPhase Consulting

Full Stack Engineer

Washington, DC · On-site

MetaPhase is seeking a skilled Full Stack Engineer to join our team supporting and enhancing a modern, cloud-native web application hosted in Amazon Web Services (AWS). In this role, you will design ...

Unissant

Full Stack Engineer

Herndon, VA · On-site

$120 - $170/hr

We are seeking a Full Stack Engineer to join our team and support our Department of War customer on research and development initiatives. In this role, you will design your own systems from the ...

MetaPhase Consulting

Full Stack Engineer

Reston, VA · On-site

MetaPhase is seeking a skilled Full Stack Engineer to join our team supporting and enhancing a modern, cloud-native web application hosted in Amazon Web Services (AWS). In this role, you will design ...

MetaPhase Consulting

Full Stack Engineer

Washington, DC · On-site

MetaPhase is seeking a skilled Full Stack Engineer to join our team supporting and enhancing a modern, cloud-native web application hosted in Amazon Web Services (AWS). In this role, you will design ...

WadiTek

Full Stack Engineer

Reston, VA · On-site

Minimum 4 years demonstrated experience with full-stack development * 4+ years demonstrated experience with AWS cloud supported programming languages like Java, Node JS, or Python development. * 2+ ...

UNISSANT

Full Stack Engineer

Herndon, VA · On-site

We are seeking a Full Stack Engineer to join our team and support our Department of War customer on research and development initiatives. In this role, you will design your own systems from the ...

Unissant

Full Stack Engineer

Herndon, VA · On-site

$125K - $187K/yr

We are seeking a Full Stack Engineer to join our team and support our Department of War customer on research and development initiatives. In this role, you will design your own systems from the ...

Unissant, Inc.

Full Stack Engineer

Herndon, VA · On-site

We are seeking a Full Stack Engineer to join our team and support our Department of War customer on research and development initiatives. In this role, you will design your own systems from the ...

M1 Technology LLC

Full Stack Engineer

Herndon, VA · On-site

They are seeking a talented Full Stack Engineer with a focus primarily on Front End to support applications development for various tools and initiatives aimed at streamlining operations and ...

WadiTek

Full Stack Engineer

Reston, VA · On-site

Minimum 4 years demonstrated experience with full-stack development * 4+ years demonstrated experience with AWS cloud supported programming languages like Java, Node JS, or Python development. * 2+ ...

Spear AI

Full-Stack Engineer

Washington, DC · On-site

Beyond technical expertise, successful Full Stack Engineers demonstrate strong problem-solving abilities, effective communication with technical and non-technical team members, time management skills ...

Unissant

Full Stack Engineer

Herndon, VA · On-site

$125K - $187K/yr

We are seeking a Full Stack Engineer to join our team and support our Department of War customer on research and development initiatives. In this role, you will design your own systems from the ...

Revolutional, LLC

Senior Full Stack Engineer

Mclean, VA · Remote

$130K - $185K/yr

Senior Full Stack Engineer Location: Remote Terms: Full-time Salary Range: $130K-185k DOE Clearance: Qualified candidates must be US citizens and able to obtain a minimum of a Public Trust clearance ...

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All JobsFull Stack Engineer JobsFreelance Full Stack Engineer JobsFreelance Full Stack Engineer Jobs in Washington, DC

Freelance Full Stack Engineer information

See Washington, DC salary details

$50.4K

$152.6K

$215.8K

How much do freelance full stack engineer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for freelance full stack engineer in Washington, DC is $152,641.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,700.00 and $179,000.00 per year, depending on experience, location, and employer.

What does a freelance full stack engineer do?

A Freelance Full Stack Engineer is a self-employed software developer who is skilled in both front-end (client-side) and back-end (server-side) technologies. They design, build, and maintain complete web applications or websites, handling everything from user interfaces to databases and server logic. Freelance full stack engineers often work with a variety of clients on short-term or long-term projects, adapting to different tech stacks and business requirements. Their versatility makes them valuable for startups, agencies, and companies needing flexible development expertise.

What are the key skills and qualifications needed to thrive as a freelance full stack engineer?

To thrive as a Freelance Full Stack Engineer, you need strong proficiency in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Node.js, and Python) and a solid understanding of database management and web architecture. Familiarity with frameworks like React, Angular, or Django, version control systems like Git, and cloud platforms is often required, and certifications (e.g., AWS Certified Developer) can be advantageous. Excellent problem-solving, time management, and client communication skills help set you apart in a competitive freelance environment. These skills and qualities are crucial for delivering high-quality, end-to-end solutions while managing multiple projects and maintaining client satisfaction.

What are some common challenges faced by freelance full stack engineers when managing multiple projects simultaneously?

Freelance full stack engineers often juggle several projects at once, which can lead to challenges such as balancing client expectations, managing time effectively, and ensuring consistent code quality across different tech stacks. Communication is key, as freelancers must regularly update clients and coordinate with other team members who may be working remotely. Staying organized with project management tools and setting clear boundaries for deliverables and timelines can help mitigate these challenges, allowing engineers to deliver high-quality work while maintaining healthy client relationships.

What is the difference between Freelance Full Stack Engineer vs Freelance Front End Developer?

AspectFreelance Full Stack EngineerFreelance Front End Developer
SkillsProficient in both front-end and back-end technologies (e.g., HTML, CSS, JavaScript, Node.js, databases)Specializes in front-end technologies (e.g., HTML, CSS, JavaScript, frameworks like React or Angular)
Work EnvironmentHandles entire project development, often working on both client and server sidesFocuses on user interface and experience, primarily on the client side
Common UsageUsed in projects requiring full-stack development, versatile rolesUsed in projects emphasizing UI/UX design and front-end features

Freelance Full Stack Engineers have a broader skill set covering both front-end and back-end development, enabling them to manage entire projects. Freelance Front End Developers specialize in creating engaging user interfaces. The choice depends on project scope and required expertise.

What are the most commonly searched types of Full Stack Engineer jobs in Washington, DC?

The most popular types of Full Stack Engineer jobs in Washington, DC are:

What are popular job titles related to Freelance Full Stack Engineer jobs in Washington, DC?

For Freelance Full Stack Engineer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Freelance Full Stack Engineer jobs in Washington, DC look for?

The top searched job categories for Freelance Full Stack Engineer jobs in Washington, DC are:

Freelance Full Stack Engineer jobs near you
Infographic showing various Freelance Full Stack Engineer job openings in Washington, DC as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 100% In-person job distribution, with an average salary of $152,641 per year, or $73.4 per hour.

Full Stack Engineer

HHAeXchange

Washington, DC • On-site

$80K - $120K/yr

Full-time

Medical, Retirement, PTO

Re-posted 18 days ago

Job description

HHAeXchange is the leading technology platform for home and community-based care. Founded in 2008, HHAeXchange was born out of an idea to create an end-to-end homecare solution to help people who are aging or have disabilities thrive in their homes and communities. Our employees are passionate about transforming the healthcare space by building the only homecare ecosystem that fully connects patients, caregivers, home care provider agencies, and payers.

We're looking for a Full Stack Engineer who's eager to grow fast, think big, and build products that make a difference, improving the experience of thousands of caregivers and families. You'll work across the full stack - from intuitive frontends to scalable backend services - diving into technologies like Go, Angular, PostgreSQL, Redis, SQS, Kubernetes, and GenAI tooling.

This role is a launchpad for thoughtful, driven builders who thrive on solving complex challenges alongside a talented team of experienced engineers. If you're early in your career and driven to excel, this is your chance to ship code that changes lives, grow under inspiring mentors, and contribute to healthcare innovation. You must value a 'startup-like' culture on a small but mighty team that unlocks rapid iteration cycles through a quick but thoughtful decision-making process.

To perform this job successfully, an individual must be able to perform each essential job duty satisfactorily.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Essential Job Duties
  • Build the Foundation for Scalability: Contribute to the design, implementation, and maintenance of APIs and microservices that enable robust functionality and seamless integrations.
  • Excel in Full Stack Development: Gain hands-on expertise in frontend with Angular and backend with Go, while optimizing cloud infrastructure for efficient scaling.
  • Integrate Gen AI Innovations: Incorporate generative AI into our agency management software, boosting usability and efficiency to create intuitive experiences that users love.
  • Push the Envelope: Encourage exploration of new technologies, tools, and approaches to continually enhance our platform for better user outcomes.
  • Guide Strategic Decisions: Evaluate priorities, options, and tradeoffs to inform key development choices that advance our goals.
  • Collaborate with a Passionate Team of Peers: Work closely with product managers, designers, and stakeholders to gather requirements, align on objectives, and deliver features that exceed expectations.
  • Ensure Lasting Quality: Develop and maintain comprehensive unit and integration tests to uphold high standards of software reliability.
This Role Is a Good Fit for You If
  • Love a challenge and want to learn fast by doing important work.
  • Want to be mentored by lead engineers who care about your growth.
  • Are excited to touch every layer of the stack and see how software and infrastructure fit together end-to-end.
  • Believe that technology can and should make healthcare better.
  • Have a bias toward ownership, creativity, and seeing results.
  • Thrive in a fast-paced, collaborative environment where no two days are quite the same.
  • Want the energy of a startup with the stability of a proven company.
Other Job Duties
  • Other duties as assigned by supervisor or HHAeXchange leader.
Travel Requirements
  • Travel 5-10%, including overnight travel, domestic & abroad (US and other delivery locations)
Required Education, Experience, Certifications and Skills
  • 0-4 years of experience in software engineering roles building on modern architectures and frameworks
  • Proficiency in one reactive JavaScript framework, such as Angular, React, or Vue
  • Experience with backend-development, such as Go, NodeJS, or Python
  • Experience in PostgreSQL/MongoDB
  • Familiarity with continuous integration/continuous deployment (CI/CD) pipelines and tools
  • Excellent written, verbal, and interpersonal communication skills
  • Strong analytical and problem-solving skills
  • Flexible, team player
  • Ability to organize and plan work independently
  • Ability to work in a rapidly changing environment
  • Knowledge of JIRA/Confluence is a plus
  • Healthcare experience and familiarity with HL7 and FHIR interoperability standards is a plus
  • Willingness to explore and adopt AI tools responsibly to enhance productivity and innovation in your role
The base salary range for this US-based, full-time, and exempt position is $80,000-120,000/yr, not including variable compensation. An employee's exact starting salary will be based on various factors including but not limited to experience, education, training, merit, location, and the ability to exemplify the HHAeXchange core values.
 
This is a benefits-eligible position. HHAeXchange offers competitive health plans, paid time-off, company paid holidays, 401K retirement program with a Company elected match, including other company sponsored programs.
 
HHAeXchange is an equal-opportunity employer. The Company offers employment opportunities to all applicants and employees without regard to race, color, religion, national origin, sex, sexual orientation, gender identity or expression, age, disability, medical condition, marital status, veteran status, citizenship, genetic information, hairstyles, or any other status protected by local or federal law.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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