Senior RAG Engineer - Remote Retrieval & Evidence Systems

Newcode; United States; Remote; USD 150,000 - 190,000; Full time

Benefits offered by this job

Fully remote work in eligible regions

Job summary

Newcode is seeking a retrieval systems architect to own the end-to-end pipeline for extracting evidence from large confidential documents. You will design document processing, chunking, embedding, and retrieval workflows that feed language models in professional settings.

You will combine semantic search with exact-term retrieval, implement ranking, and set quality metrics such as citations accuracy. This remote, full-time role emphasizes independent work and impact across the product.

Qualifications

• Strong experience building retrieval or search systems for large document collections.
• Experience evaluating search relevance with BM25, NDCG, or recall@k.
• Ability to build search abstractions across multiple backends.
• Comfort working independently as priorities evolve.
• Authorization to work in your country; visa sponsorship not available.

Responsibilities

• Own document processing, chunking, and embedding workflows.
• Combine semantic search with exact-term retrieval, then rerank results for relevance.
• Develop agent retrieval strategies that determine what to inspect and when there is enough evidence.
• Evaluate retrieval quality with metrics and tests, including citations accuracy.
• Make early architecture decisions and take ownership of ongoing impact.

Skills

Retrieval systems

Search relevance metrics

BM25

NDCG

Recall@k

Independent work

Job description

Newcode is seeking a retrieval systems architect to own the end-to-end pipeline for extracting evidence from large confidential documents. You will design document processing, chunking, embedding, and retrieval workflows that feed language models in professional settings.

You will combine semantic search with exact-term retrieval, implement ranking, and set quality metrics such as citations accuracy. This remote, full-time role emphasizes independent work and impact across the product.