Company profile

Expression Tech Stack

Federal IT, software engineering, and spectrum management contractor

Information Technology & Services Washington, District of Columbia 51–200 employees Founded 1997 Privately Held

Expression is a Washington, DC government services firm whose stack pairs federal-grade cloud (AWS GovCloud, Palantir, NIST CSF) with an agentic AI toolkit of LangChain, LangGraph and Crew AI. Its active work centers on legacy and EMS software modernization under MOSA principles, while pain points around embedding AI into workflows and contract or subcontractor performance show a delivery-focused shop. Engineering-heavy hiring is accelerating, with director-level roles in the mix.

Tech Stack 42 technologies

Core StackPostgreSQL MongoDB Oracle AWS Elasticsearch Tableau Power BI Superset Python LangChain FastAPI Docker Kubernetes Terraform Ansible CloudFormation Node.js Go Databricks Snowflake NIST Cybersecurity Framework Azure LangGraph Crew AI asyncio Pydantic Microsoft Project GCP AWS GovCloud Palantir+12 more

What Expression Is BuildingChallenges and projects from their job posts

◆Challenges

Sustaining and modernizing legacy software
Ensuring compliance and security
Embedding AI into workflows while maintaining control
Contract performance and subcontractor risk management
Reducing manual processes
Accelerating mission delivery

▲Active Projects

Enterprise EMS software modernization
Cloud-native, hybrid architectures across AWS, Azure, GCP
CI/CD pipelines for database and application deployments
MOSA-aligned solution architecture design
Monitoring and alerting solutions
VOR platform development

Hiring Activity

Accelerating8 roles · 8 in 30d

Department

Engineering

Sales

Security

Support

Seniority

Mid

Senior

Director

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About Expression

Expression is a privately held technology services company headquartered in Washington, District of Columbia, founded in 1997. It delivers information technology, software engineering, data analytics, and electromagnetic spectrum management work for federal and commercial clients. Its capabilities span systems architecture, managed hosting, engineering management, data science, and AI/ML. The company employs 51–200 people and hires in the United States.

HeadquartersWashington, District of Columbia

Company Size51–200 employees

Founded1997

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Expression (expr.ai) use?

Expression uses Python, FastAPI, Go, and Node.js with PostgreSQL, MongoDB, and Oracle, runs on AWS, AWS GovCloud, Azure, and GCP via Kubernetes and Terraform, and works with Databricks, Snowflake, Palantir, and LangChain.

What is Expression working on?

Current projects include legacy system modernization, enterprise EMS software modernization, CI/CD pipelines for database and app deployments, multi-cloud architectures, MOSA-aligned solution design, and VOR platform development.

Is Expression hiring engineers?

Yes. Hiring is accelerating and weighted toward engineering, with additional roles in sales, security, and support, spanning mid, senior, and director levels in the United States.

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How this profile is built

Expression's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.