Java Software Engineer (backend)

Quadrant Inc

Columbia, MD

JOB DETAILS
SALARY
LOCATION
Columbia, MD
POSTED
25 days ago
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 architecture
Experience in Object Oriented Programming (OOP) paradigms
Experience with the agile software lifecycle
Experience with configuration management tools (e.g. Git, Nexus, Maven)
Comfortable working on a Linux command line
Has a proven ability to learn quickly and works well both independently as well as in a team setting
Problem solving skills and ability to review information and compile data appropriately as needed
Must be able to work in a hybrid environment, spending an average of 1-2 days per week at our Columbia, MD office. Flexibility is essential to adapt to schedule changes as needed.
Highly desired:
Experience with Vector Databases, semantic caching, and AI observability tools
Experience with NiFi, Kafka, AWS Infrastructure, and K8's
Experience in cloud based technologies (AWS, Azure)
Experience in SQL databases (e.g., Postgres, MySQL), distributed databases, NoSQL databases
Scripting experience (particularly Python, given its prominence in the AI ecosystem) is a huge plus
Prior experience or familiarity with our Big Data Platform is a plus
Understanding of agile software development methodologies and use of standard software development tool suites. (e.g., JIRA, Confluence, Youtrack, Github, etc.)
DoD 8140 / 8570 IAT Level II compliance certifications may be required in this position as directed by the customer


DUTIES:
Hands-on experience or a strong aptitude for integrating commercial LLM APIs (e.g., OpenAI, Anthropic) or open-source models into backend applications
Take industry best practices, open-source capabilities, and large language models (LLMs), and build a secure framework that allows our other software capabilities to seamlessly leverage AI.
Work closely with other talented engineers to create secure, enterprise-grade AI software solutions, including Model Context Protocol (MCP) servers, reusable AI skills, strict safety guardrails, and other AI framework capabilities that meet the complex needs of our clients.
Design and develop foundational AI frameworks, including internal APIs, middleware, and routing layers that allow other systems to securely utilize AI capabilities
Build Model Context Protocol (MCP) servers and a library of reusable 'skills' (function calling/tools) that enable AI models to safely interact with our internal databases, microservices, and external APIs
Implement strict enterprise AI guardrails, ensuring data privacy, sensitive data scrubbing, prompt injection defenses, and output validation to meet stringent security requirements

Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act.

About the Company

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Quadrant Inc

Quadrant is a full-life cycle staff augmentation agency providing a proven "rapid fire" approach in responding to the needs of our clients. Quadrant offers a comprehensive suite of staffing solutions for organizations in the Healthcare, Medical, Dental, Information Technology, HR and Government contract sectors.

Our clients have come to include some of the largest and most recognized brand named companies in the Washington, DC and Baltimore, MD metropolitan regions. Quadrant is a DOD TOP Secret cleared facility and holds a Maryland Minority Business Enterprise (MBE) and Virginia SWaM certification. Quadrant's clients are rapidly hiring a mix of healthcare, medical, dental, information technology, recruiting and HR professionals.

Quadrant is recognized as the largest Healthcare Staffing agency in the Washington DC area. We support every major healthcare system and thousands of area healthcare practices. Our healthcare division focuses on all clinical and nonclinical staff with the exception of physicians. Our database boasts hundreds of thousands of local screened healthcare professionals; the largest in the area. Our resources enable us to respond to our clients requests quickly, generally within 24 hours of request on mainstream orders.

Our Information Technology clients support a broad mix of commercial and federal government agencies. Our clients include government contractors who support projects with federal agencies such as U.S. Department of Veterans Affairs, National Institutes of Health(NIH), U.S. Customs and Border Patrol, FDA, FBI, USPTO, DHS, DHHS, DOD, DOJ, DOE, DISA, and USPS. In addition to our federal portfolio, Quadrant also supports a range of commercial clients focusing in software, telecom, mobile, web and healthcare development.

Whether you are a job seeker or a company with open positions to fill we will bridge the talent gap. Contact any of our seasoned professional recruiters or account managers and we will walk you through our proven staffing methodology. We offer a consultative approach to both potential employee and employer. We seek the right match, at the right time, every time.

COMPANY SIZE
500 to 999 employees
INDUSTRY
Healthcare Services
FOUNDED
2017
WEBSITE
http://www.quadrantinc.com/