Web Application Developer

J5 Consulting•Cedar View, VA

2d•Onsite

About The Position

The Sponsor’s office is architecting and creating a coherent secure data ecosystem that is compatible and synchronized with the overall Sponsor’s data strategy and broader mission capabilities. These solutions and capabilities include a platform to conduct enterprise search, digital forensics, and data analytics. The Sponsor fuses modern, data-centric tradecraft and capabilities with other components in pursuit of extracting maximum value from existing data.

Requirements

Demonstrated experience with Agile/Scrum development methodologies in a fast-paced, collaborative team environment.
Demonstrated experience developing modern web applications using JavaScript/TypeScript frameworks (Angular, React, or Vue).
Demonstrated experience with Node.js web frameworks (such as Express, Koa or Hapi) and API development.
Demonstrated experience with HTML5, CSS3, modern JavaScript (ES6+), and TypeScript.
Demonstrated experience with CSS preprocessors (such as Sass).
Demonstrated experience designing and implementing RESTful APIs and microservices.
Demonstrated experience with a working knowledge of SQL databases including schema design, query optimization, and performance tuning.
Demonstrated experience with PostgreSQL and MySQL in production environments.
Demonstrated experience with ORMs (such as Prisma, Sequelize, or similar).
Demonstrated experience with containerization technologies (such as Docker or Podman).
Demonstrated experience with AWS cloud services and cloud-native development patterns.
Demonstrated experience with and strong understanding of web application security best practices and usability principles.
Demonstrated experience with Git version control and collaborative development workflows.
Demonstrated experience with strong problem-solving skills including debugging, testing, and troubleshooting complex web applications.
US Citizenship.
Active U.S. Government Top Secret Security Clearance with a Full Scope Polygraph.

Nice To Haves

Demonstrated experience with ElasticSearch query language.
Demonstrated experience with Infrastructure as Code concepts (Terraform or CloudFormation).
Demonstrated experience with contributions to technical documentation, architecture diagrams, or knowledge bases.
Demonstrated experience with monitoring and observability tools.
Demonstrated experience with geospatial libraries and visualization (leaflet.js).
Demonstrated experience migrating or modernizing legacy applications.
Demonstrated experience with a working knowledge of CI/CD pipelines (Jenkins preferred) and deployment automation.
Demonstrated experience integrating with data lake/lakehouse architectures or data-intensive applications.
Demonstrated experience integrating Sponsor's Enterprise services.
Demonstrated experience with JEE applications and containers.
Demonstrated experience with PKI.
Demonstrated experience with excellent written and verbal communication skills with both technical and non-technical audiences.

Responsibilities

Developing modern web applications using JavaScript/TypeScript frameworks (Angular, React, or Vue).
Developing Node.js web applications using Node.js web frameworks (such as Express, Koa or Hapi) and API development.
Developing with HTML5, CSS3, modern JavaScript (ES6+), and TypeScript.
Developing with CSS preprocessors (such as Sass).
Designing and implementing RESTful APIs and microservices.
Designing and implementing SQL databases including schema design, query optimization, and performance tuning.
Working with PostgreSQL and MySQL in production environments.
Working with ORMs (such as Prisma, Sequelize, or similar).
Working with containerization technologies (such as Docker or Podman).
Working with AWS cloud services and cloud-native development patterns.
Applying web application security best practices and usability principles.
Using Git version control and collaborative development workflows.
Problem-solving including debugging, testing, and troubleshooting complex web applications.
Working effectively in high-performing, cross-functional teams with multiple concurrent projects.
Working directly with stakeholders to gather requirements, understand needs, and translate them into technical solutions with minimal oversight.
Self-directed work with a strong ownership mentality and commitment to code quality, testing, and documentation.
Context-switching between projects and systems as priorities demand.