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Senior Mern Stack Developer Jobs in Overland, MO

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 ...

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 ...

Omni Federal

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

Senior Software Engineer Location: St. Louis, MO Security Clearance: Active TS/SCI (or SCI ... Experience as a full stack developer to include Web Services, Database and Front-End Development

The Timberline Group

Xamarin Developer

Saint Louis, MO · On-site +1

The Xamarin Senior Developer, Mobile & Internet, works with other members of the New Product ... Full Stack Developer * .Net WebApi / MVC * SQL Server * Unit testing, dependency injection, TDD ...

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Senior Mern Stack Developer information

See Overland, MO salary details

$22

$55

$80

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

As of Aug 12, 2026, the average hourly pay for senior mern stack developer in Overland, MO is $55.33, according to ZipRecruiter salary data. Most workers in this role earn between $46.01 and $63.75 per hour, depending on experience, location, and employer.

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.
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Senior Mern Stack Developer jobs near you

Full Stack Developer 729

Freedom Technology Solutions Group

Saint Louis, MO

Full-time

Posted 24 days ago

Job description

Freedom Technology Solutions Group is seeking a Full Stack Software Engineer to develop modern cloud-native applications supporting mission-critical intelligence and geospatial platforms. You will design, develop, and maintain user interfaces, APIs, backend services, and cloud-native microservices that enable analysts and mission partners to securely discover, process, and exploit geospatial data.

This is a hands-on software engineering role working across the full technology stack from responsive web applications to scalable backend services and cloud infrastructure.

Responsibilities:

  • A
  • Design and develop modern web applications
  • Develop RESTful APIs and backend services 
  • Build cloud-native microservices
  • Develop responsive user interfaces
  • Integrate with geospatial services and enterprise APIs
  • Build automated testing pipelines
  • Participate in Agile development
  • Support CI/CD deployments
  • Optimize application performance
  • Troubleshoot production systems
  • Collaborate with architects, data scientists, and mission stakeholders to gather, document, and refine customer requirements, including data mapping and integration needs
  • Assist in implementing integration solutions in collaboration with development team members 
  • Facilitate communication between stakeholders to ensure timely and effective requirements execution
  • Ensure activities align with established processes, standards, and mission objectives
  • Contribute to documentation of processes, procedures, integration patterns, and lessons learned

Key Technologies:

  • Familiarity with backend systems and integration concepts (APIs, data mapping, file-based transfers)
  • Experience with AWS services (S3, Lambda, SQS, SNS, ECS, ECR, EKS, API Gateway, Cloudwatch, KMS)
  • Familiarity with CI/CD pipelines (GitLab CI/CD or similar)
  • Understanding of containerized and serverless environments
  • Familiarity with data transfer and file processing concepts
  • Familiarity with dashboards, metrics, and operational visibility tools
  • Understanding of secure data handling and access control concepts (IAM, least privilege)

Frontend

  • JavaScript - React, Angular, HTML5, CSS3

DevOps

  • Docker, Podman, Kubernetes
  • GitLab, Harbor
  • CloudFormation, CDK, Terraform, other IaaC
  • Linux

Backend

  • Auroa, PostgreSQL/PostGIS, Oracle (w/spatial)
  • KVS - Redis, Memcache, Elasticache
  • GDAL/OGR etc.
  • Other storage tech (s3, NFS, CIFS, SAMBA, NAS, SAN, DAS, etc)

Required Qualifications:

  • Active TS/SCI clearance (eligible for CI Poly) 
  • 1-3(Junior), 3-7(Journeyman), 8-11 (Senior), >12 (Principal) years of experience in software development, system integration, or technical support roles
  • Experience working directly with customers or stakeholders in a technical or mission environment
  • Strong communication and coordination skills across technical and non-technical teams
  • Experience gathering and documenting requirements
  • Ability to manage multiple tasks and priorities in a dynamic environment
  • Familiarity with Agile development practices
  • Experience using GitLab or similar tools for collaboration and tracking

Desired Qualifications:

  • Familiarity secure data movement environments
  • Experience working with enterprise service processes such as Service+
  • Development or scripting experience (Python, JavaScript, or similar)
  • Experience with data mapping or integration workflows (using JSON or other object notation)
  • Familiarity with operational dashboards and metrics reporting
  • Experience supporting customer requirement implementation and/or system integration efforts
  • Experience building cloud-native applications
  • Experience with microservices
  • Experience with geospatial applications
  • Experience with mapping frameworks
  • Experience with GDAL or geospatial libraries
  • Experience supporting Intelligence Community customers

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