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Junior Mern Stack Developer Jobs in Springfield, VA

Steampunk

Junior Full Stack Developer

Mclean, VA · Remote

$70K - $100K/yr

As an Associate Full Stack Developer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with experience ...

Steampunk

Junior Full Stack Developer

Mclean, VA · Remote

$70K - $100K/yr

As an Associate Full Stack Developer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with experience ...

Steampunk

Junior Full Stack Developer

Mclean, VA · On-site

$70K - $100K/yr

Overview As an Associate Full Stack Developer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with ...

Steampunk

Junior Full Stack Developer

Mclean, VA · On-site

$70K - $100K/yr

Overview As an Associate Full Stack Developer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with ...

Steampunk

Junior Full Stack Developer

Mclean, VA · Remote

$70K - $100K/yr

Overview As an Associate Full Stack Developer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with ...

Steampunk

Junior Full Stack Developer

Mclean, VA · Remote

$70K - $100K/yr

Overview As an Associate Full Stack Developer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with ...

Adtech

Senior Full Stack Developer (Java)

Ashburn, VA · Hybrid

$53.75 - $69.25/hr

Senior Full Stack Developer Duration: Full time Lactation: Ashburn, VA (Hybrid with 2 days a week ... Mentor junior developers and actively contribute to the development of a community of practice ...

Steampunk

Full Stack Developer

Mclean, VA · Remote

$85K - $170K/yr

As a Full Stack Developer , you will work with our growing DevSecOps practice delivering software ... Act as an individual contributor and mentor more junior team members * Engineer and implement ...

Steampunk

Full Stack Developer

Mclean, VA · On-site

$85K - $170K/yr

Overview As a Full Stack Developer , you will work with our growing DevSecOps practice delivering ... Act as an individual contributor and mentor more junior team members * Engineer and implement ...

Beth Page tech

Java Full Stack Developer

Washington, DC · On-site

$59.50 - $76.75/hr

Java Full Stack Developer Location : Washington, DC (Remote) Duration : Fulltime : This role ... Ability to mentor more junior developers by bringing experience and depth to the design and ...

Steampunk

Full Stack Developer

Mclean, VA · Remote

$85K - $170K/yr

As a Full Stack Developer , you will work with our growing DevSecOps practice delivering software ... Act as an individual contributor and mentor more junior team members * Engineer and implement ...

Steampunk

Full Stack Developer

Mclean, VA · On-site

$85K - $170K/yr

Overview As a Full Stack Developer , you will work with our growing DevSecOps practice delivering ... Act as an individual contributor and mentor more junior team members * Engineer and implement ...

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Junior Mern Stack Developer information

See Springfield, VA salary details

$25.1K

$92.9K

$143.6K

How much do junior mern stack developer jobs pay per year?

As of May 29, 2026, the average yearly pay for junior mern stack developer in Springfield, VA is $92,937.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $90,900.00 per year, depending on experience, location, and employer.

What is a Junior Mern Stack Developer job?

A Junior MERN Stack Developer is an entry-level software developer who specializes in building web applications using the MERN stack, which consists of MongoDB, Express.js, React, and Node.js. They assist in developing, testing, and maintaining both front-end and back-end components of web applications. Typical responsibilities include writing clean code, fixing bugs, collaborating with senior developers, and integrating APIs. Strong foundational knowledge of JavaScript, database management, and version control (e.g., Git) is essential. This role is ideal for individuals looking to gain hands-on experience and grow their skills in full-stack development.

What are the key skills and qualifications needed to thrive in the Junior Mern Stack Developer position, and why are they important?

To thrive as a Junior MERN Stack Developer, you need a solid understanding of JavaScript, React.js, Node.js, Express, and MongoDB, typically supported by a relevant degree or coding bootcamp. Familiarity with version control systems like Git, Agile development practices, and basic knowledge of RESTful APIs are highly valued, while certifications in web development can enhance your candidacy. Strong problem-solving abilities, good communication skills, and a willingness to learn enable effective collaboration and growth in this role. These skills and qualities are essential for building efficient web applications and contributing successfully to dynamic development teams.

What kind of projects or tasks might a Junior MERN Stack Developer typically work on?

As a Junior MERN Stack Developer, you will often be involved in building and maintaining web applications, implementing new features, and fixing bugs within the application stack. Your day-to-day work may include writing code for both front-end (using React.js) and back-end (using Node.js and Express), working with databases like MongoDB, and collaborating closely with other developers, designers, and project managers. You may also be asked to participate in code reviews, contribute to team discussions on architecture or user experience, and learn best practices for scalable and maintainable code. This hands-on experience helps you develop your technical skills and prepares you for more advanced responsibilities as your career progresses.
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Junior Mern Stack Developer jobs near you

Full Stack Developer (AI/LLM Focus)

WorkNovas LLC

Rockville, MD • On-site

Contractor

Posted 5 hours ago

Job description

Full Stack Developer (AI/LLM Focus)

Location: 9509 key west drive Rockville, MD 20850 need local within commute

Duration: 12+ Months with possible extension/conversions.

Job Overview:

We are seeking a highly skilled Full Stack Developer to design, build, and maintain scalable end-to-end applications. This role goes beyond traditional full stack work by incorporating AI-assisted development and Large Language Model (LLM) integrations. You’ll work across the full technology stack—from modern front-end frameworks to backend microservices and cloud-native architectures—while contributing to innovative AI-driven solutions.

Required Skill:

  • 5+ years of full stack development experience
  • Strong expertise in:
  • Java (Spring Boot, Spring MVC)
  • Python (FastAPI, Flask, or Django)
  • Hands-on experience with Angular or Vue.js
  • Solid experience with databases (PostgreSQL, MongoDB, DocumentDB)
  • Strong working knowledge of Amazon Web Services services (EC2, Lambda, S3, ECS/EKS, RDS, IAM, CloudWatch)
  • Experience with AI-assisted development tools (Amazon Q Developer, Kiro)
  • Practical experience integrating LLMs (Large Language Models) into applications
  • Familiarity with CI/CD pipelines, Docker, and Infrastructure-as-Code
  • Experience with test automation frameworks
  • Strong understanding of:
  • REST API design
  • Microservices architecture
  • Secure coding practices

Job Description:

  • Develop and maintain full stack applications across UI, backend, and data layers
  • Build responsive and accessible interfaces using Angular or Vue.js
  • Design and develop REST APIs and microservices using Java (Spring Boot) and Python frameworks (FastAPI, Flask, Django)
  • Work with relational and NoSQL databases such as PostgreSQL and MongoDB / Amazon DocumentDB
  • Architect and deploy cloud-native solutions on Amazon Web Services (Lambda, ECS, S3, API Gateway, CloudFormation, CDK)
  • Build and integrate LLM-powered features using platforms like AWS Bedrock
  • Leverage AI coding tools such as Amazon Q Developer and Kiro to improve productivity
  • Participate in large-scale document processing and intelligent data extraction projects
  • Collaborate in Agile/Scrum teams and contribute to sprint ceremonies
  • Implement automated testing using tools like Selenium, Cypress, or Playwright
  • Optimize application performance across frontend, APIs, and databases
  • Conduct code reviews, write unit/integration tests, and follow best practices
  • Mentor junior developers and support knowledge sharing

Preferred:

  • Experience with document processing tools like Amazon Textract
  • Knowledge of RAG (Retrieval-Augmented Generation) and vector databases
  • AWS Certifications (Solutions Architect / Developer Associate)
  • Experience in financial services or regulatory domain
  • Understanding of prompt engineering and LLM fine-tuning
  • Experience with Terraform or AWS CDK