Expression · 21 hours ago
AI/Software Developer
Washington, DC
Full-time
Hybrid
Senior Level, Lead/Staff
$130K/yr - $160K/yr
10+ years expExpression is seeking an AI/Software Developer to join our Product Team and drive the evolution of our Agentic AI platform. The role involves designing and evolving the platform, collaborating with clients, and optimizing AI services.
Software
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Contribute to the design and evolution of Expression’s Agentic AI platform, influencing:
System architecture and core components
Tooling, automation, and coding standards
Performance, scalability, and reliability
Lead or contribute to research and prototyping efforts to explore emerging technologies that could be relevant to Expression products
Collaborate directly with clients and lead product demonstrations showcasing platform capabilities
Design, implement, and optimize LLM-based services, agent workflows, and orchestration layers
Build and maintain high-performance, production-grade Python APIs
Collaborate closely with cross-functional teams, including product, UX, and infrastructure
Produce clear technical documentation, architecture diagrams, and design proposals
Qualification
Required
10+ years of combined professional experience and education in Computer Science, Software Engineering, Information Systems, Data Science, or related fields. An advanced degree is preferred
Extensive hands-on experience with Agentic AI frameworks like LangChain/LangGraph, Crew AI, Strands, or similar
Expert-level Python proficiency, including asynchronous programming (asyncio), data validation (Pydantic), and API development (FastAPI)
Proven experience implementing Retrieval-Augmented Generation (RAG) pipelines
Experience designing and operating vector search systems and managing vector databases
Strong background designing systems architectures for LLM-based applications
Familiarity with containerization and cloud-native environments, specifically using Docker and AWS or Azure services
Excellent written and verbal communication skills for producing design documents, technical reports, and client-facing presentations
Secret or Top Secret Clearance Required
Benefits
401k matching
PPO and HDHP medical/dental/vision insurance
Education reimbursement up to $10,000/yr
Complimentary life insurance
Generous rollover PTO and 11 days of holiday leave
Onsite gym facility and trainer
Commuter Benefits Plan
In-office Cold Brew Coffee
Company
Expression
Expression is a leading provider of tailored and integrated information technology, software engineering, data analytics, and electromagnetic spectrum management solutions for federal and commercial clients.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
unknownKey Investors
Enlightenment Capital
2019-09-17Private Equity
Leadership Team
Abir Ray
CEO/CTO
Company data provided by crunchbase