Mediabistro logo
job logo

Vector Database (DB) Engineer

3B Staffing LLC, New York, NY, United States


Job Role:

Vector Database (DB) Engineer

Location:

55 Hudson Yards, NYC

Work Schedule:

3 days a week in the office and 2 days remote.

VISA status.

US citizens, Green Card, H4-EAD,

Vector Database Engineer

Description :

Design, develop, and maintain high-performance vector database systems ( e.g.,

Pinecone, Weaviate, Milvus, FAISS, Qdrant ) for LLM-backed applications.
Integrate LLMs (OpenAI, Claude, LLaMA, etc.) into data pipelines and AI solutions using RAG and embedding-based retrieval.
Build and manage embedding pipelines (using OpenAI, HuggingFace, SentenceTransformers, etc.) for structured and unstructured data.
Optimize vector search for latency, relevance, and scalability across large datasets.
Collaborate with ML/AI engineers, data scientists, and product teams to deliver end-to-end solutions powered by AI.
Monitor performance, ensure data security, and maintain high system availability.
Evaluate and experiment with different vector indexing techniques (e.g., HNSW, IVF, PQ) and distance metrics (cosine, Euclidean, dot-product).
Stay updated with the latest advancements in LLMs, vector databases, and semantic search.

Comparison of Top Vector Databases: Key Points and Use Cases

Database

Key Features

Use Cases

Chroma

LangChain integration, modular codebase, various storage options for vector embeddings

LLM applications, NLP

Pinecone

Seamless API, metadata filters, high-performance search and similarity matching

AI solutions, large datasets

Deep Lake

Data streaming, querying, integration with tools like LlamaIndex and LangChain

LLM-based applications, deep learning

Vespa

Redundancy configuration, flexible query options, efficient similarity searches

Data organization, large-scale search

Milvus

Simple unstructured data management, scalable, supported by community

Chatbots, image search, chemical structure

ScaNN

Search space trimming, quantization, balance of efficiency and accuracy

Vector similarity search at scale

Weaviate

AI-powered searches, MLOps integration, Kubernetes compatibility

Text, image, and data vectorization

Qdrant

Extensive filtering support, independent orchestration, cached payload information

Semantic-based matching, neural networks

Vald

Index backup, vector indexing, horizontal scaling, adaptable configuration

Fast, distributed vector search

Faiss

Fast dense vector similarity search, multiple distances supported, efficient vector grouping

Large-scale vector search, clustering

OpenSearch

Combines vector search with analytics, supports semantic and multimodal search

AI applications, personalization, data quality

Pgvector

PostgreSQL extension, supports inner product and cosine distance, embedding storage

Exact and approximate nearest neighbor search

Apache Cassandra

SAI framework, ANN search capabilities, high-dimensional vector storage

Big data handling, high availability

Elasticsearch

Distributed architecture, automatic node recovery, high availability, clustering

Data analytics, large-scale search

ClickHouse

Data compression, robust SQL support, multi-server and multi-core setup

Real-time analytical reports, large queries