GTT

Senior AI Engineer – Backend, AI Systems

GTT

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Salary

💰 $100,000 - $120,000 per year

Job Level

Senior

Tech Stack

DockerGRPCPostgresPython

About the role

  • Build the Backend Fabric: Guide the AI-augmented development of high-performance, modular Python services that form the backbone of our ecosystem.
  • Architect API-Driven Communication: Implement and evolve the gRPC-based APIs that enable seamless, efficient communication between the orchestrator and its various tools.
  • Orchestrate AI & LLMs: Integrate and harness Large Language Models to drive complex workflows, tool selection, and advanced reasoning capabilities.
  • Develop Scalable Data Strategies: Architect and manage our data persistence layer, combining the strengths of relational (PostgreSQL) and vector (ChromaDB) databases.
  • Create Robust Data Pipelines: Build and optimize the data ingestion and processing pipelines that continuously enrich our AI's knowledge base.
  • Collaborate on Core Architecture: Work directly with the Lead Architect to solve challenging technical problems, make key design decisions, and guide the platform's technical direction.

Requirements

  • 5+ years of professional experience building complex, scalable backend systems.
  • Expert-level Python proficiency, with a deep understanding of object-oriented design, concurrency, and best practices.
  • Strong, demonstrable experience designing and building APIs (gRPC is a significant advantage; extensive REST/FastAPI experience is also highly valued).
  • Solid experience with PostgreSQL (or similar relational databases) and proficiency with an ORM like SQLAlchemy.
  • Practical understanding of Vector Databases (e.g., ChromaDB, Milvus) and their role in AI applications like RAG.
  • Hands-on mastery of Docker for building, shipping, and running applications.
  • Experience integrating with third-party LLM APIs and a solid grasp of concepts like tool calling and prompt engineering.
  • A forward-thinking mindset with a demonstrable ability to understand, review, and integrate complex codebases, including those generated with AI assistance.
Benefits
  • High Degree of Autonomy
  • Direct Collaboration
  • Flexible Work Environment
  • Ground-Floor Impact
  • A Glimpse into the Future of Development

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
PythongRPCRESTFastAPIPostgreSQLSQLAlchemyChromaDBMilvusDockerAPI design
Soft skills
collaborationproblem-solvingdesign decision makingforward-thinkingcodebase integration
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