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Unissant Tech Stack

AI and cloud modernization for federal health and defense agencies

Information Technology & Services Herndon, Virginia 51–200 employees Founded 1999 Privately Held

Unissant serves U.S. federal agencies in health and national security with AI, analytics, and cloud migration work. The tech stack is enterprise Java (Spring Boot, WebSphere, WebLogic) paired with modern web frameworks (Angular, React, Vue) and Python/R for analytics—typical of organizations bridging legacy and cloud. Active adoption of AWS, Azure, GCP, and GovCloud across 10+ concurrent modernization projects signals a shift toward multi-cloud infrastructure for mission-critical systems. Hiring is heavily weighted to senior engineers (16 of 24 roles), indicating either retention challenges in a demanding federal environment or rapid scaling of complex transformation work.

Tech Stack 70 technologies

Core StackAngular Java Hibernate React Vue Python Selenium Maven GitLab Jenkins Playwright Linux Spring Boot WebSphere SQL Git Eclipse IntelliJ IDEA Visual Studio Code R C/C++ TestNG Rest Assured Appium Harness Bamboo JMeter JPA WebLogic SOAP+35 more

AdoptingAWS RAG Azure GCP GovCloud

What Unissant Is Building

◆Challenges

Modernizing legacy applications
Migrating workloads to multi-cloud environments
Shifting priorities
Interoperability across classified systems
Data enrichment
Data privacy compliance
Modernizing legacy systems
Maintaining legacy jee applications
Delivery excellence
Modernizing mission-critical systems

▲Active Projects

Digital transformation roadmap for legacy application modernization
Build user-friendly ai applications like chatbots and virtual assistants
Develop advanced ai/ml models for federal customer
Modernized cloud-based applications
Integrate ai solutions into existing systems
Research prompt engineering and rag techniques
Support legacy jee applications
Modernization initiatives for federal client
Multi-cloud workload migration
Multi-cloud interoperability architecture

Hiring Activity

Accelerating25 roles · 20 in 30d

Department

Engineering

22

Security

2

Seniority

Senior

16

Mid

4

Junior

2

VP

2

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About Unissant

Unissant is a 51–200-person contractor based in Herndon, Virginia, focused on federal customers in health IT, national security, and enterprise operations. The company applies data analytics, AI, and cybersecurity expertise to help government agencies modernize legacy applications and migrate workloads across multiple cloud platforms. Core projects center on digital transformation (modernizing JEE applications, building AI-driven chatbots and virtual assistants, implementing RAG-based systems) and multi-cloud architecture for interoperability across classified environments. Founded in 1999, Unissant operates in a highly specialized vertical where regulatory compliance, security clearances, and domain knowledge create high switching costs and deep customer relationships.

HeadquartersHerndon, Virginia

Company Size51–200 employees

Founded1999

Hiring MarketsUnited States

Frequently Asked Questions

What is Unissant's tech stack?

Java (Spring Boot, Hibernate, WebSphere, WebLogic), Angular/React/Vue, Python, R, SQL, Git/GitLab, Jenkins, AWS/Azure/GCP. Currently adopting GovCloud and RAG techniques.

What is Unissant working on?

Digital transformation and cloud modernization for federal clients: legacy application migration, multi-cloud interoperability, AI/ML model development, chatbot/virtual assistant platforms, and RAG-based systems integration.