UI & Data Visualization Engineer (TS/SCI)

Cornerstone Defense LLC; Maryland; On-site; USD 190,000 - 210,000; Full time

Benefits offered by this job

Medical, Dental and Vision Plans

Generous PTO Policy

401(k)

Job summary

Cornerstone Defense in Annapolis Junction, MD is seeking a Software Engineer 3 to enhance a Streamlit-based UI prototype and evolve it into a scalable interface for external use. You will design and implement features that visualize complex data and support decision making within a defense context.

The role requires strong Python and front-end skills, experience with TypeScript/HTML/CSS, and collaboration with cross-functional teams. A TS/SCI with polygraph clearance is required for application.

Qualifications

• Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
• OR
• Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
• OR
• Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Responsibilities

• Enhance a UI prototype developed with Streamlit and build it into an interface for future external availability.
• Collaborate with back-end and UI teams to deliver polished data visualization features.
• Ensure performance and accessibility considerations for the interface.

Skills

Linux CLI

Bash scripting

Python

Java

Streamlit

TypeScript

HTML

CSS

JavaScript frameworks

Apache Spark

Jupyter Notebook

Pandas/NumPy

Parquet/JSON/CSV/XML

Git

Education

Master’s degree in CS or related

Bachelor’s degree in CS or related

Nine years SWE experience

Tools

Streamlit

React/Angular/Vue

Linux tools

Jupyter Notebook

SQL (MySQL/PostgreSQL)

Apache Airflow

Slurm

Atlassian JIRA/Confluence

Job description

Cornerstone Defense in Annapolis Junction, MD is seeking a Software Engineer 3 to enhance a Streamlit-based UI prototype and evolve it into a scalable interface for external use. You will design and implement features that visualize complex data and support decision making within a defense context.

The role requires strong Python and front-end skills, experience with TypeScript/HTML/CSS, and collaboration with cross-functional teams. A TS/SCI with polygraph clearance is required for application.