Hybrid TS/SCI App Developer – Foundational Services

Castalia Systems; Washington (District of Columbia); Hybrid; USD 150,000 - 170,000; Full time

Benefits offered by this job

Medical insurance

Dental coverage

Vision coverage

401k matching

Paid time off

Paid holidays

Professional training opportunities

Pet insurance

Job summary

Castalia Systems is seeking an Application Developer Mid (Foundational Services) to join our Foundational Services team at JBAB, DC. The role requires TS/SCI clearance with CI polygraph and US citizenship, and a hybrid onsite work pattern (2 days/week).

The candidate will develop and support core services, perform training, and assist mid-level teammates. Location is Joint Base Anacostia-Bolling, DC, with emphasis on secure, cross-domain integration.

Qualifications

• Bachelor's degree from an accredited college or university.
• Minimum 4 years of experience in the relevant labor category; or 8 years with HS Diploma.
• Proficiency in TypeScript, Angular, Node, NestJS, Express, Jest, MongoDB, PostgreSQL, Redis, ElasticSearch, GitLab CI Pipelines, Docker, OpenShift.
• Node.js with TypeScript, SQL, PostgreSQL, Redis, ElasticSearch.

Responsibilities

• Responsible for classification rollup and NTK handling programmatically.
• Responsible for cross-domain transfer processes (high to low).
• Review server logs and consoles to triage and debug onsite. This is foundational services role that services all EPD applications.

Education

Bachelor's degree

Tools

TypeScript

Angular

Node.js

NestJS

Express

Jest

MongoDB

PostgreSQL

Redis

ElasticSearch

GitLab CI Pipelines

Docker

OpenShift

Job description

Castalia Systems is seeking an Application Developer Mid (Foundational Services) to join our Foundational Services team at JBAB, DC. The role requires TS/SCI clearance with CI polygraph and US citizenship, and a hybrid onsite work pattern (2 days/week).

The candidate will develop and support core services, perform training, and assist mid-level teammates. Location is Joint Base Anacostia-Bolling, DC, with emphasis on secure, cross-domain integration.