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Mern Full Stack Developer Jobs in Washington (NOW HIRING)

Interon IT Solutions

Full-Stack Developer

Mclean, VA · On-site

Senior Full-Stack Developer Locations: Rockville, MD | McLean, VA | Woodbridge, NJ Work Arrangement: Hybrid Experience: 10+ years Candidate Requirements * Local candidates only. * Candidates must ...

Cornerstone Chapel

Full-Stack Developer

Leesburg, VA · On-site

$95 - $130/hr

Cornerstone Chapel /Specification Full-Stack Developer Job Summary The Full-Stack Developer will specialize in the Rock RMS platform to lead the technical management and customization of the church ...

Steampunk

Full Stack Developer

Mclean, VA · On-site

$85K - $170K/yr

We are looking for a highly skilled Full-Stack Developer to design, build, and optimize advanced AI solutions across predictive, generative, and autonomous system domains. This role requires strong ...

Steampunk

Full Stack Developer

Mclean, VA · On-site +1

$85K - $170K/yr

The Developer will work across the full stack of AI development, from data ingestion and model experimentation to application integration, orchestration, and deployment, and will collaborate closely ...

Scalence L.L.C.

Full Stack Developer

Mclean, VA · On-site

C. is seeking a skilled Full Stack Developer with expertise in Java and AWS to join their dynamic team. The ideal candidate will develop and maintain scalable applications, collaborating with cross ...

LT Consulting

Full Stack Developer

Chantilly, VA

LT Consulting is seeking a Full Stack Web Developer with an active TS/SCI with polygraph to design and deliver the full scope of web solutions for mission-critical environments. As a Full Stack ...

Steampunk

Full Stack Developer

Mclean, VA · On-site +1

$85K - $170K/yr

The Developer will work across the full stack of AI development, from data ingestion and model experimentation to application integration, orchestration, and deployment, and will collaborate closely ...

Steampunk

Full Stack Developer

Mclean, VA

$85K - $170K/yr

We are looking for a highly skilled Full-Stack Developer to design, build, and optimize advanced AI solutions across predictive, generative, and autonomous system domains. This role requires strong ...

GRVTY

Full Stack Developer

Mclean, VA

$150K - $250K/yr

The Full Stack Developer shall help shape and implement the new cloud architecture for the platform. Technical tasks include the following: * Deploying and maintaining services in the cloud

MindSource

Full Stack Developer

Reston, VA · On-site

MindSource is seeking a talented Full Stack Developer with strong hands-on experience in Java, Python, Angular, and AWS cloud. The role involves designing, developing, and maintaining scalable full ...

Resource Point LLC

Java Full Stack Developer

Reston, VA · On-site

$54.50 - $70.50/hr

Java Full Stack Developer Location: Reston, VA Duration: 6+ Months Description & Duties: * Full Stack Developer will lead development efforts to assess and document current and target state high ...

Steampunk

Full Stack Developer

Mclean, VA · On-site +1

$85K - $170K/yr

The Developer will work across the full stack of AI development, from data ingestion and model experimentation to application integration, orchestration, and deployment, and will collaborate closely ...

Steampunk

Full Stack Developer

Mclean, VA · On-site +1

$85K - $170K/yr

The Developer will work across the full stack of AI development, from data ingestion and model experimentation to application integration, orchestration, and deployment, and will collaborate closely ...

GRVTY

Full Stack Developer

Mclean, VA · On-site

$150K - $250K/yr

The Full Stack Developer shall help shape and implement the new cloud architecture for the platform. Technical tasks include the following: * Deploying and maintaining services in the cloud

inoventures LLC

Senior Full Stack Developer

Mclean, VA · On-site

Role: Senior Full Stack Developer Location: McLean, VA Duration: 18 Months + ROLES: This position supports application development efforts as a Senior Full Stack Developer. As a Senior Full Stack ...

Swarmint

Full Stack Developer

Arlington, VA · On-site

$150 - $200/hr

Join our engineering team as a Full Stack Developer building applications that power AI‑driven intelligence systems. You will work across the stack with focus on Python backend and modern frontend ...

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All JobsMern Full Stack Developer JobsMern Full Stack Developer Jobs in Washington

Mern Full Stack Developer information

See Washington salary details

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How much do mern full stack developer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for mern full stack developer in Washington is $67.12, according to ZipRecruiter salary data. Most workers in this role earn between $55.82 and $77.31 per hour, depending on experience, location, and employer.

What is a Mern Full Stack Developer?

A MERN Full Stack Developer is a software developer who specializes in building web applications using the MERN stack, which includes MongoDB, Express.js, React, and Node.js. They handle both front-end and back-end development, ensuring seamless interaction between the client and server. Their responsibilities include designing UI components, developing APIs, managing databases, and deploying applications. This role requires proficiency in JavaScript, understanding of full-stack development concepts, and experience with modern web technologies. MERN Full Stack Developers often work on end-to-end development projects, ensuring responsive and scalable web applications.

What are the key skills and qualifications needed to thrive as a Mern Full Stack Developer?

To thrive as a Mern Full Stack Developer, you need strong proficiency in JavaScript, React, Node.js, Express, MongoDB, and a solid understanding of front-end and back-end development principles. Familiarity with tools like Git, Docker, RESTful APIs, and holding relevant certifications such as MongoDB or React Developer credentials can be highly beneficial. Effective communication, problem-solving abilities, and a collaborative mindset are valuable soft skills for this position. These skills collectively enable developers to build scalable web applications, adapt to evolving project needs, and work effectively in dynamic team environments.

What does a typical workday look like for a Mern Full Stack Developer?

As a Mern Full Stack Developer, your typical workday involves collaborating with designers, product managers, and other developers to build and maintain web applications using the MERN stack. You'll spend time coding both front-end components with React and back-end services with Node.js and Express, as well as working with MongoDB for data management. Regular tasks include participating in stand-up meetings, code reviews, debugging, and continuous integration activities. The role often requires balancing multiple projects or features, ensuring smooth communication between team members, and adapting to fast-paced development cycles.

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

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

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

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Mern Full Stack Developer jobs near you
Infographic showing various Mern Full Stack Developer job openings in Washington as of August 2026, with employment types broken down into 92% Full Time, 3% Part Time, 4% Contract, and 1% Nights. Highlights an 77% Physical, 2% Hybrid, and 21% Remote job distribution, with an average salary of $139,606 per year, or $67.1 per hour.

Full-Stack Developer

Interon IT Solutions

Mclean, VA • On-site

Full-time

Posted 9 days ago

Key responsibilities

  • Design, develop, test, and maintain scalable full-stack applications.

  • Build backend services using Java, Python/FastAPI, and Node.js.

  • Develop and support cloud-native applications on AWS.

Job description

Senior Full-Stack Developer

Locations: Rockville, MD | McLean, VA | Woodbridge, NJ
Work Arrangement: Hybrid
Experience: 10+ years

Candidate Requirements

  • Local candidates only.
  • Candidates must currently reside in DC, Virginia, Maryland, New York, or New Jersey.
  • Must be available for an online coding assessment and an in-person interview.
  • Candidates should be within a reasonable commuting distance of one of the listed locations.

Job Description

We are seeking a Senior Full-Stack Developer with a strong Java foundation and significant backend engineering experience. The ideal candidate will have approximately 10 years of software development experience and the flexibility to work across Java, Python, and Node.js applications.

The development environment is evolving beyond a Java-only technology stack. Candidates should be comfortable switching between languages, projects, and architectures based on business needs. Strong experience in at least two of the following backend technologies is required:

  • Java
  • Python with FastAPI
  • Node.js

Angular 10+ experience is required for front-end development. Candidates must also have hands-on AWS experience from both development and operational perspectives.

Key Responsibilities

  • Design, develop, test, and maintain scalable full-stack applications.
  • Build backend services using Java, Python/FastAPI, and Node.js.
  • Develop responsive front-end applications using Angular 10 or later.
  • Develop and support cloud-native applications on AWS.
  • Work with AWS Lambda and other serverless technologies.
  • Contribute to traditional enterprise applications and newer AI-driven and agentic solutions.
  • Move effectively between different programming languages and application architectures.
  • Troubleshoot complex technical issues and recommend practical solutions.
  • Explain technical decisions, design choices, and problem-solving approaches clearly.
  • Collaborate with cross-functional teams throughout the development lifecycle.

Required Qualifications

  • 10+ years of software development experience.
  • Strong hands-on experience with Java and related backend frameworks.
  • Strong experience in at least two of the following: Java, Python, or Node.js.
  • Hands-on experience with Python and FastAPI is highly preferred.
  • Strong Angular 10+ development experience.
  • Hands-on experience developing and supporting applications on AWS.
  • Experience with AWS Lambda and serverless architecture.
  • Strong understanding of APIs, microservices, object-oriented programming, and software design principles.
  • Ability to work across multiple technology stacks and adapt to changing project needs.
  • Strong analytical, debugging, and structured problem-solving skills.
  • Excellent verbal and written communication skills.

Preferred Qualifications

  • Experience developing AI-enabled or agentic applications.
  • Experience integrating applications with AI services or large language models.
  • Experience modernizing existing Java applications.
  • Familiarity with cloud-native architecture, CI/CD pipelines, and DevOps practices.
  • Experience owning technical components or contributing to application architecture.

Current Project Environment

The selected candidate may work across several applications, including:

  • A Python and FastAPI-based application.
  • An AWS Lambda-based application focused on AI and agentic capabilities.
  • Existing enterprise applications developed in Java.

Interview Process

Round 1: Coding Assessment

  • 30-minute coding session conducted through Zoom using Glider AI.
  • Candidates will receive a relatively straightforward coding problem.
  • The evaluation will consider both the final solution and the candidate’s problem-solving process.

Candidates should be prepared to:

  • Explain their understanding of the problem.
  • Describe their proposed approach before coding.
  • Communicate their reasoning throughout the exercise.
  • Demonstrate a structured problem-solving process.
  • Arrive at a workable and accurate solution.

Round 2: In-Person Panel Interview

  • Interview with a four-member panel.
  • Focus on technical experience, behavioral questions, communication, and project contributions.

Candidates should be prepared to discuss:

  • Complex problems they have solved.
  • Projects they have owned or supported.
  • Technical challenges and how they addressed them.
  • Their specific responsibilities and individual contributions.
  • Collaboration with technical and business teams.
  • The measurable impact of their work.