Senior Java Engineer - Mission-Critical, Secure TS/SCI

Prosync; Maryland; On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Quarterly bonuses

Health benefits

401K retirement plan

Education reimbursement

Paid time off

Flexible work options

Job summary

ProSync Technology Group, LLC is seeking an experienced Java developer to join a small, mission‑focused engineering team responsible for building and sustaining operational software in secure environments. The candidate should have strong Java development skills and experience with Git, Gradle, Guice, Docker, and REST, plus a willingness to work both backend and limited UI tasks.

The role requires Linux proficiency and the ability to work in customer spaces or an offsite SCIF while supporting

Qualifications

• Extensive experience with Java development.
• Familiarity with Git, Gradle, Guice/Dependency Injection, Docker, and REST.
• Experience developing front-end UI solutions in Angular/Typescript.
• Willingness to work limited-scope UI tasks.
• Must have strong Linux skills.
• An active Top Secret/SCI with Polygraph is required.

Responsibilities

• Java Application Development — Design, develop, test, and maintain mission‑focused Java applications using modern frameworks and tooling.
• Dependency Injection & Build Tools — Utilize Guice for dependency injection and Gradle for build automation across the application lifecycle.
• RESTful Service Development — Build and maintain REST‑based services and integrations supporting mission workflows.
• Containerized Development — Develop and troubleshoot containerized application components using Docker.
• Logging & Analytics Integration — Integrate and support ELK stack components for logging, monitoring, and operational visibility.
• Database Development — Work with MongoDB and other data stores to support backend functionality and mission data flows.
• Automation & Configuration — Support automation and configuration management tasks using Ansible.
• Kubernetes Support — Assist with Kubernetes‑based deployments and troubleshooting as part of modernization efforts.
• UI Development — Support limited‑scope front‑end development tasks using Angular and Typescript when needed.
• Linux‑Based Operations — Use strong Linux skills to support development, troubleshooting, and operational workflows.
• Secure Environment Support — Work in customer spaces or offsite SCIFs to support mission operations and software sustainment.

Skills

Java development

Git

Gradle

Guice/Dependency Injection

Docker

REST

ELK stack

MongoDB

Ansible

Kubernetes

Linux

Angular/TypeScript

UI development

SCIF/secure environment

Education

Bachelor's degree in Computer Science or related field

Associate's Degree / High School Diploma + extensive experience

Tools

Git

Gradle

Guice

Docker

Kubernetes

Ansible

Angular

TypeScript

MongoDB

ELK stack

Job description

ProSync Technology Group, LLC is seeking an experienced Java developer to join a small, mission‑focused engineering team responsible for building and sustaining operational software in secure environments. The candidate should have strong Java development skills and experience with Git, Gradle, Guice, Docker, and REST, plus a willingness to work both backend and limited UI tasks.

The role requires Linux proficiency and the ability to work in customer spaces or an offsite SCIF while supporting