Senior AI Engineer - LLM Orchestration & Cloud Infra

Ethereum Technologies; Chicago (IL); On-site; USD 165,000 - 210,000; Full time

Job summary

Ethereum Technologies, based in Chicago, IL, seeks an experienced backend/AI systems engineer to design and scale cloud-native services. You will integrate LLM capabilities and implement AI orchestration, optimizing retrieval-augmented pipelines with vector databases and semantic search.

The role requires strong coding skills (Python/Go/Java), hands-on experience with LangChain-like frameworks, and a security-conscious approach to enterprise deployments on AWS.

Qualifications

• 5+ years of backend, platform, or infrastructure engineering.
• Hands-on with LLM integration and AI orchestration.
• Proficiency in Python, Go, or Java.
• Experience with vector databases such as Pinecone, Weaviate, Milvus, FAISS, pgvector, Vespa.
• Expertise in dense retrieval and semantic/hybrid search.
• Building distributed, cloud-native systems on AWS with CI/CD and containers.
• Strong security, compliance, governance for enterprise systems.

Skills

Backend/Platform/Infra Eng

LLM integration

Prompt mediation

AI orchestration

Python/Go/Java

Vector databases

Dense retrieval/semantic search

AWS cloud-native

CI/CD/containerization

Security/compliance/governance

Education

Bachelor's or Master's in Computer Science/ML or related field

Job description

Ethereum Technologies, based in Chicago, IL, seeks an experienced backend/AI systems engineer to design and scale cloud-native services. You will integrate LLM capabilities and implement AI orchestration, optimizing retrieval-augmented pipelines with vector databases and semantic search.

The role requires strong coding skills (Python/Go/Java), hands-on experience with LangChain-like frameworks, and a security-conscious approach to enterprise deployments on AWS.