Java Software Engineer (backend)

Quadrant, Inc.

Full-time other-general
Apply Now
Location
Columbia, Maryland, United States
Posted
May 16, 2026

Job Description

Java Software Engineer (backend)

Columbia, MD (hybrid)

Salary From: $150,000 per year




MUST:

Experienced Software Engineer to join our team to help build foundational AI integration frameworks.

Eligible to obtain secret clearance or above

10+ years professional experience

5+ years of experience Software Engineering, Modern Java Frameworks and Libraries (e.g. Spring, Guava) Bachelors in related field;

Strong Java-based AI integration frameworks (e.g., Spring AI, LangChain4j) or Python equivalents (LangChain, LlamaIndex)

Demonstrated understanding of modern applied AI concepts such as prompt engineering, function-calling/tool-use, and Retrieval-Augmented Generation (RAG).

Experience in designing enterprise APIs

Experience in RESTful web services

Experience in Microservices archit...