AI Engineer — Build AI-Driven Full-Stack Apps

ResumeXrays LLC; Annapolis (MD); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Matching 401k

Fully paid medical

Paid time off including site closure

Tuition reimbursement

Referral bonuses

Job summary

Freedom Technology Solutions Group in the Washington, DC area (Annapolis Junction or Reston) is seeking a Mid-level AI Engineer to design, prototype, and deliver AI-enabled solutions in collaboration with stakeholders and mission-driven environments.

You will build full‑stack apps with Next.js, TypeScript, FastAPI, Python, PostgreSQL, and OpenSearch; deploy via Docker on OpenShift; and work with LangChain, LlamaIndex, and other AI tools while coordinating with product, operations and security

Qualifications

• 9 years of relevant experience in Computer Science, Data Science, and/or Software Engineering roles or a highly related field of work with similar scope and responsibilities.
• TS/SCI Clearance with Active CI Polygraph.
• Strong proficiency with at least 1 generative AI framework which includes LangChain, haystack by deepset, and LlamaIndex among others.
• Strong proficiency in prompt engineering and prompt management.
• Experience with developing agentic AI-solutions including MCP, tool development, context engineering, and agent-to-agent (A2A) communication.
• Strong proficiency in React.js and TypeScript, including functional components, hooks, reusable component design, and API integration.
• Strong experience developing backend services and REST APIs using Node.js or Python.
• Proficiency with PostgreSQL, including relational data modeling, SQL, schema migrations, indexing, and query optimization.
• Hands-on experience with Docker, including writing Dockerfiles, building images, and troubleshooting containers.
• Strong communication skills and the ability to translate business and customer needs into clear technical requirements.

Responsibilities

• Ideate, prototype, and deliver AI-enabled solutions in alignment with stakeholders and existing application environments.
• Design, develop, and maintain full stack applications using Next.js, TypeScript, FastAPI, Python, PostgreSQL, and OpenSearch.
• Use Pydantic (Python) and Zod (TypeScript) for data validation.
• Build and maintain Docker images and deploy, configure, and troubleshoot applications in OpenShift.
• Investigate and resolve production issues across the user interface, backend services, database, and application deployment.
• Work with customers, product owners, and other stakeholders to clarify requirements, identify dependencies, and estimate implementation effort.
• Participate in technical design and code reviews, write automated tests, and maintain technical documentation.
• Experience with AWS products.
• Experience with AI observability platforms such as Langfuse and LangSmith.
• Experience developing with agentic AI coding harnesses such as Codex.
• Experience with Next.js AI SDK and FastMCP.
• Familiarity with software development within the Department of War.
• Familiarity with Linux environments and Kubernetes concepts.
• Experience improving application security, accessibility, performance, and reliability.
• Experience working in an Agile development environment and coordinating with product, operations, and security teams.

Skills

React.js

TypeScript

Python

Node.js

Docker

Kubernetes

AWS

LangChain

haystack

LlamaIndex

Prompt engineering

Education

Bachelor's degree

Tools

Docker

OpenShift

OpenSearch

FastAPI

PostgreSQL

Job description

Freedom Technology Solutions Group in the Washington, DC area (Annapolis Junction or Reston) is seeking a Mid-level AI Engineer to design, prototype, and deliver AI-enabled solutions in collaboration with stakeholders and mission-driven environments.

You will build full‑stack apps with Next.js, TypeScript, FastAPI, Python, PostgreSQL, and OpenSearch; deploy via Docker on OpenShift; and work with LangChain, LlamaIndex, and other AI tools while coordinating with product, operations and security