Senior Java Engineer — TS/SCI Poly, Mission‑Critical Backend

Prosync; Corridor North (MD); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health benefits

401K Retirement plan

Continuing education program

Paid time off

Job summary

ProSync Technology Group, LLC (ProSync) is seeking an experienced Java developer to join a small, mission-focused team responsible for building and sustaining operational software in secure environments. Strong Java skills, modern tooling (Git, Gradle, Guice, Docker, REST) and willingness to work both backend and limited UI tasks are needed.

Candidates should have Linux proficiency and be comfortable working in customer spaces or offsite SCIFs.

Qualifications

• Bachelor’s degree or higher in Computer Science or related discipline from an accredited college or university plus fourteen (14) years of software engineering experience (OR) An Associate's Degree, a High School Diploma or GED plus eighteen (18) years of general software engineering experience.
• 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-scale 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

Angular/Typescript

Linux

Security clearance

Education

Bachelor’s degree or higher in Computer Science or related field

Associate’s Degree or high school diploma with extensive software experience

Tools

Kubernetes

Elk stack

MongoDB

Ansible

GitLab CI/CD

Jira

Confluence

Job description

ProSync Technology Group, LLC (ProSync) is seeking an experienced Java developer to join a small, mission-focused team responsible for building and sustaining operational software in secure environments. Strong Java skills, modern tooling (Git, Gradle, Guice, Docker, REST) and willingness to work both backend and limited UI tasks are needed.

Candidates should have Linux proficiency and be comfortable working in customer spaces or offsite SCIFs.