Web Application Developer

McLean, VA

Full Time

Experienced

BT-233 – Web App Developer
Location: McLean, VA (fully on-site, no remote option)

**MUST HAVE A POLY CLEARANCE TO APPLY. Those without a Poly clearance will not be considered.**

Support systems with application development, deployment packaging to maintain sustainability and reliability.

Mandatory Skills

Demonstrated experience developing modern web applications using JavaScript/TypeScript frameworks (Angular, React and Vue)
Demonstrated experience with Node.js web frameworks and API development
Proficiency with HTML5, CSS3, modern JavaScript (ES6+) and TypeScript
Experience with CSS preprocessors (such as Sass)
Experience designing and implementing Restful APIs and microservices
Working knowledge of SQL databases including schema design, query optimization and performance tuning
Experience with PostgreSQL and MySQL production environments
Experience with ORMs such as Prisma, Sequelize
Experience with containerization technologies such as Docker
Familiarity with AWS cloud services and cloud-native development patterns
Strong understanding of web application security best practices and usability principles
Demonstrated experience with Git version control and collaborative environment workflows
Strong problem solving skills including debugging testing and troubleshooting complex web applications

Optional Skills

Experience with Elasticsearch
Familiarity with Infrastructure as Code concepts (Terraform, CloudFormation)
Contributions to technical documentation, architecture diagrams, and knowledgebases
Experience with monitoring observability tools
Background with geospatial libraries
Experience migrating or modernizing legacy apps
Working knowledge of CI/CD pipelines
Experience integrating with data lake architectures or data intensive apps
Experience with J2EE apps and containers
Experience with PKI

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