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Seasonal Full Stack Developer Node Js Jobs in Missouri

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

Angular .Net Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

... js). The role is full stack, so the candidate should have good experience on both front and ... with Node and npm • Experience with task runners like Gulp • C# .NET work experience. • ...

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

Staff, Machine Learning Engineer

Noel, MO · On-site

$130K - $260K/yr

... products, Full stack developer, and a passion for great customer-centric products. * Design ... End to end ownership of product using technologies such as Java , Node JS, React Js * You will be ...

Full Stack Web Developer Job Category: Information Technology Time Type: Full time Minimum ... Development experience with MEAN Stack (MongoDB, Express, Angular, Node) Strong experience in ...

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Full Stack Developer 729

Freedom Technology Solutions Group

Saint Louis, MO • On-site

Full-time

Re-posted 21 days ago


Key responsibilities

  • Design, develop, and maintain web applications, APIs, backend services, and cloud-native microservices.

  • Integrate applications with geospatial services and enterprise APIs, and support deployment and performance optimization.

  • Collaborate with stakeholders to gather, document, and refine requirements, and support system integration efforts.


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