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Full Stack Developer

Everforth ECS
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Arlington County, Arlington, VA, USA
Sep 21, 2026

ECS is seeking a Full Stack Developerto work with data scientists and analysts to rapidly design, implement, test, and deploy applications and cloud-based platforms capable to tackling complex analytical tasks using large datasets.  This position works for the US Postal Services' Inspector General's Office (OIG) at our Arlington, VA office.

Please Note: This position is contingent upon additional funding and requires a Public Trust background investigation.  This entails an in-depth background check & either US Citizenship or Permanent Resident (Green Card) status.

Responsibilities include:

  • Work with data scientists and analysts to rapidly design, implement, test, and deploy
    applications capable to tackling complex analytical tasks using large datasets
  • Communicate with end users, team lead, and team members to create and support new
    products and features
  • Communicate with product users to enhance or troubleshoot products
  • Design client-side and server-side architecture
  • Build the front-end of applications through appealing visual design
  • Write effective APIs
  • Build features and applications with a responsive design
  • Write technical documentation and support data governance strategy
  • Function in an Agile based team environment

Note: This position requires working onsite 4 days a week at out USPS customer site in Arlington, VA.

Salary Range: $100,000 - $120,000 annually

General Description of Benefits

  • Professional certification(s) in a related field of web development and/or front-end/back-end
    disciplines
  • Degree in Computer Science, Web Development, or relevant field
  • 3+ years of JavaScript development experience (client-side and server-side)
  • 5+ years of experience with full stack development
  • 5+ years of experience and skill writing coding languages (e.g. Python, JavaScript, SQL, C#)
  • Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, Typescript,
    jQuery)
  • Knowledge of front-end frameworks (e.g. Angular, React, Node.js)
  • Knowledge of multiple back-end languages (e.g. Python/C#) and backend frameworks (e.g. Flask,
    Django)
  • Familiarity with databases (e.g. MySQL, Teradata), web servers (e.g. Apache) and UI/UX design
  • Experience in designing and integrating different API architectures (e.g. REST, gRPC)
  • Server management and deployment for the relevant environments (e.g. Azure, AWS)
  • Knowledge of message brokers (e.g. Kafka, EventHub), version control (e.g. Azure DevOps,
    GitHub) and Websockets
  • Knowledge of architectural patterns (e.g. Monolith, Microservices, Serverless, Service Mesh)

Job ID

4663

Security Clearance

Public Trust
About Everforth ECS
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