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Senior Full Stack Developer

Crystal Management, LLC
United States, Virginia, Vienna
1604 Spring Hill Road (Show on map)
Jan 29, 2026
Description

We are seeking a Senior Software Engineer to design, build, and optimize custom software solutions in AWS. This role spans the full stack-from intuitive React user interfaces to scalable backend services and cloud-native infrastructure. You will collaborate closely with technical and non-technical stakeholders to deliver secure, resilient, and high-performing solutions.



Key Responsibilities:



  • Develop scalable, high-quality web applications using React (TypeScript)
  • Build robust backend APIs and microservices with Node.js (TypeScript) or Python
  • Design and implement secure and efficient AWS architectures using services such as EC2, Lambda, Aurora PostgreSQL, S3, API Gateway, EventBridge, and SQS
  • Create and manage Infrastructure as Code using CloudFormation, CDK, or Terraform
  • Implement and enhance CI/CD pipelines and automated testing frameworks in GitLab
  • Use AWS CLI and SAM CLI for deployment, troubleshooting, and environment management
  • Optimize applications for performance, scalability, availability, and cost efficiency
  • Collaborate with cross-functional teams to gather requirements and deliver technical solutions

Qualifications

Education/Certification Requirements



  • Bachelor's Degree with 7 years of experience or equivalent education or experience.


Preferred Certifications:



  • AWS Certifications (Solutions Architect, Developer, or equivalent)
  • Security Certifications (Security+, CISSP, AWS Security, etc.)



Required Qualifications



  • 7+ years of full-stack development experience
  • Strong proficiency in React and TypeScript
  • Backend development experience with Node.js or Python
  • Hands-on experience with core AWS services and architectural patterns
  • Experience with PostgreSQL and relational database design
  • GitLab experience for CI/CD and version control
  • Knowledge of containerization technologies such as Docker and ECS/EKS
  • Solid understanding of security best practices and compliance considerations
  • Proficiency with AWS CLI and SAM CLI
  • Experience with automated testing and Agile development methodologies


Preferred Qualifications:



  • Experience building serverless architectures
  • Familiarity with DevOps, observability, and monitoring tools
  • Personal Git projects
  • Oracle experience



Clearance Requirements



  • Must have the ability to obtain a DHS Public Trust.
  • Active or ability to obtain a TSA Clearance.


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