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Senior Mern Stack Developer Jobs in Missouri (NOW HIRING)

Dellfor Technologies

senior .net developer

Missouri City, MO · On-site

$51.50 - $65.50/hr

NET stack (WISA, WINS) C#, WPF * Recent 1+ years of developing web application in open source stack (MEAN, MERN) * 2+ years of writing code in JS (ES6), JQuery, HTML, CSS, C# * At Least 5+ years of ...

Booz Allen Hamilton

AWS Full Stack Engineer

Arnold, MO · On-site

$99K - $225K/yr

As a senior full stack developer at Booz Allen, you'll use your passion to master new tools and techniques and identify needed system improvements. You'll help clients overcome their most difficult ...

Stackruit Ltd.

Senior Full Stack Engineer

California, MO · On-site

$100 - $130/hr

Ternary is searching for a Senior Full Stack Engineer to join their growing team. You'll play a key role in developing their industry-leading cloud cost management platform, helping businesses ...

Palnar

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

Have proficiency in Quality engineering and experience working with Quality leads to define processes and technologies. Passion for improving code quality using approaches such as unit and end to end ...

NATO

We're looking for 3 Full-stack Engineers who thrive on solving complex problems, designing robust ... As a senior engineer, you'll combine hands-on coding with architectural leadership , ensuring our ...

Nato

We're looking for 3 Full-stack Engineers who thrive on solving complex problems, designing robust ... As a senior engineer, you'll combine hands-on coding with architectural leadership , ensuring our ...

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Senior Mern Stack Developer information

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.

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 most commonly searched types of Mern Stack Developer jobs in Missouri? The most popular types of Mern Stack Developer jobs in Missouri are:
What are popular job titles related to Senior Mern Stack Developer jobs in Missouri? For Senior Mern Stack Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Senior Mern Stack Developer jobs in Missouri look for? The top searched job categories for Senior Mern Stack Developer jobs in Missouri are:
What cities in Missouri are hiring for Senior Mern Stack Developer jobs? Cities in Missouri with the most Senior Mern Stack Developer job openings:
Senior Mern Stack Developer jobs near you
Infographic showing various Senior Mern Stack Developer job openings in Missouri as of August 2026, with employment types broken down into 1% Internship, 90% Full Time, 3% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Senior Full Stack Developer

Intellect Solutions LLC

Springfield, MO • On-site

Full-time

Posted 6 days ago

Job description

Location: St. Louis, MO/Springfield, VA
Required Clearance: Minimum Active Top Secret Clearance
Job Description:
We are seeking a talented and motivated Full Stack Developer to join its cutting-edge development team. This role will support the design, development, testing, and deployment of mission-critical applications supporting geospatial intelligence efforts. The ideal candidate will have hands-on experience with modern full-stack technologies and cloud infrastructure, and be passionate about building scalable and secure software solutions.
Key Responsibilities:
  • Develop, test, deploy, and maintain scalable web applications using JavaScript frameworks (Angular and Node.js).
  • Build robust APIs and backend services leveraging SQL and NoSQL databases.
  • Integrate with AWS cloud services to enable reliable and secure application hosting and data processing.
  • Collaborate with cross-functional teams including analysts, engineers, and stakeholders to understand requirements and deliver mission-driven software solutions.
  • Participate in code reviews, technical design discussions, and agile development practices.
  • Ensure compliance with NGA's security and data governance policies.
  • Troubleshoot production issues and ensure continuous improvement of system performance and reliability.
Required Skills & Qualifications:
  • Proficiency in JavaScript with hands-on experience in both Angular and Node.js frameworks.
  • Strong understanding of SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB) databases.
  • Experience with AWS services such as EC2, Lambda, S3, API Gateway, and RDS.
  • Knowledge of full software development lifecycle, DevOps pipelines, and CI/CD tools.
  • Familiarity with RESTful APIs and microservices architecture.
  • Strong problem-solving skills and attention to detail.

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