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Senior Mern Stack Developer Jobs in Washington (NOW HIRING)

Reflexive Concepts

Full Stack Developer

Annapolis, MD · On-site

Reflexive Concepts is seeking a Full Stack Developer to join our team! We have an immediate need ... Mid- or Senior-Level candidates are preferred. Required technical skills include: * Java 8+ * C/C+

New

Axle

Senior Full Stack Developer

Rockville, MD · On-site

They are seeking a Senior Full Stack Developer to work with clients across the federal space, including the NIH, focusing on designing and building a cloud-native solution for data analysis and ...

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 ...

Navtech, Inc.

Senior Java Full Stack Developer

Rockville, MD · On-site

$54.25 - $70/hr

I have an opportunity for "Senior Java Full Stack Developer" and looking for a candidate who can join Immediately if you are interested reply me with your updated resume or consultant's contact ...

Virtuous Tech Inc

Sr Full Stack Developer

Mclean, VA · On-site

Senior Full Stack Developer The Investments & Capital Markets division is seeking a Senior Software Developer to contribute to an enterprise forecasting platform supporting long-term financial ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

Hatch IT

Sr. Full Stack Developer

Washington, DC · On-site

$120 - $160/hr

T. is partnering with Expression to find a Senior Full Stack Developer See details below: About The Role: Expression is seeking a highly skilled and experienced Senior Full Stack Developer with a ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

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 ...

VIVA USA INC

Full Stack Developer

Washington, DC · On-site

Sr. Application Developer/Engineer/Programmer Work Experience: Seeking an experienced Full Stack Sr Application Developer to join our development team. They will build and maintain powerful web ...

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Senior Mern Stack Developer information

What is a Senior MERN Stack Developer?

A Senior MERN Stack Developer is an experienced software engineer who specializes in building full-stack web applications using the MERN stack: MongoDB, Express.js, React, and Node.js. They handle both front-end and back-end development, create scalable and efficient applications, and often mentor junior team members. In addition to coding, they may be responsible for designing application architecture, optimizing performance, and ensuring best practices throughout the development process.

How does a Senior MERN Stack Developer typically collaborate with other team members on large-scale projects?

As a Senior MERN Stack Developer, you’ll often work closely with front-end and back-end developers, UI/UX designers, QA engineers, and product managers to deliver robust web applications. Collaboration usually involves participating in code reviews, architectural discussions, sprint planning, and daily stand-up meetings. You may also mentor junior developers, help define best practices, and ensure seamless integration across the MERN (MongoDB, Express, React, Node.js) stack. Effective communication and teamwork are essential, especially when troubleshooting complex issues or deploying new features.

What are the key skills and qualifications needed to thrive as a Senior MERN Stack Developer, and why are they important?

To thrive as a Senior MERN Stack Developer, you need deep expertise in JavaScript, proficiency with MongoDB, Express.js, React.js, and Node.js, and typically a bachelor's degree in computer science or related field. Experience using source control systems like Git, familiarity with cloud platforms (e.g., AWS), and understanding of CI/CD pipelines are highly valued. Strong problem-solving, leadership, and effective communication skills help you guide teams and collaborate with stakeholders. These skills ensure efficient development of scalable web applications and effective team leadership in dynamic tech environments.

Is a Senior MERN Stack Developer full-stack in demand?

A Senior MERN Stack Developer, skilled in MongoDB, Express.js, React, and Node.js, is in high demand due to the popularity of JavaScript-based full-stack development. Companies seek experienced developers for building scalable web applications, and proficiency in these technologies often leads to strong job prospects and competitive salaries.

Is senior MERN stack developer still in demand in 2026?

Senior MERN stack developers remain in demand in 2026 due to the continued growth of web applications and the popularity of JavaScript frameworks. Skills in React, Node.js, and MongoDB are highly valued, especially for roles requiring full-stack expertise and experience with cloud deployment and modern development tools.

What is a typical senior MERN stack developer salary?

A senior MERN stack developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and company size. Strong skills in React, Node.js, MongoDB, and Express are often required, and salaries tend to increase with expertise and certifications.

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

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

What are popular job titles related to Senior Mern Stack Developer jobs in Washington?

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

What job categories do people searching Senior Mern Stack Developer jobs in Washington look for?

The top searched job categories for Senior Mern Stack Developer jobs in Washington are:

Senior Mern Stack Developer jobs near you

Full Stack Developer

Reflexive Concepts

Annapolis, MD • On-site

Full-time

Posted 3 days ago

New

Job description

Reflexive Concepts is seeking a Full Stack Developer to join our team!
We have an immediate need for a Full Stack Developer to support tool sustainment efforts. Support will focus on development and sustainment of a high-performance geospatial collaboration tool that provides a single repository for formal and informal finished intelligence products. Efforts will include creating enhancements based on high-priority mission needs, as well as maintenance and sustainment of the existing code base. Mid- or Senior-Level candidates are preferred.
Required technical skills include:
  • Java 8+
  • C/C++
  • Scripting (Python, Bash, PHP)
  • Apache Tomcat
  • Elasticsearch
  • Oracle
  • Spring Boot
  • RESTful web services
  • Solr
  • Comfortable working in a Linux environment
  • Understanding, maintaining, and troubleshooting interfaces between multiple applications

Additional desired technical skills may include experience with:
  • Amazon Web Services (AWS)
  • Primefaces
  • Quarkus
  • Node.js
  • Lex/Yacc
  • Basic sysadmin skills (managing cron jobs, SELinux, etc.)
  • Agency reporting and dissemination tools
  • Agency classification policies
  • Working in an agile environment using Jira and Confluence

Candidates will be required to work a rotating pager schedule for emergency 24/7 call-in support as required (roughly one week out of every 4-6 weeks). Staff may charge 4 additional hours for the week they are on call in addition to hours worked.

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