Senior Search & Vector Engine Engineer

ByteDance; San Jose (CA); On-site; USD 218,000 - 480,000; Full time

Job summary

ByteDance is seeking engineers to advance our search and vector engine platforms, focusing on high-performance retrieval, scalable storage, and cloud-native architectures. You will work across Elasticsearch/OpenSearch and Milvus to support hybrid and multi-vector search for large-scale data workloads.

You will collaborate with a global team to push the boundaries of AI-driven search, contribute to open-source ecosystems, and deliver enterprise-grade cloud search services through Volcano Engine.

Qualifications

• B.S. in CS/AI or related field.
• Proficient in C++, Go, Java or Python.
• Experience with search engines, databases, or distributed systems.
• Hands-on with Elasticsearch/OpenSearch or Milvus in production or development.
• Strong understanding of distributed systems and performance optimization.

Responsibilities

• Develop and evolve Elasticsearch/OpenSearch and Milvus products with high performance and scalability.
• Implement full-text and vector search, including hybrid and multi-vector retrieval.
• Optimize vector indexing and distributed retrieval (HNSW, IVF, DiskANN, RaBitQ).
• Explore cloud-native vector lakebase architectures for scalable search over data lakes.

Skills

C++

Golang

Java

Python

Search engines

Distributed systems

Elasticsearch/OpenSearch

Milvus

Education

B.S. in Computer Science or related field

Tools

Elasticsearch/OpenSearch

Milvus

Lucene

Job description

ByteDance is seeking engineers to advance our search and vector engine platforms, focusing on high-performance retrieval, scalable storage, and cloud-native architectures. You will work across Elasticsearch/OpenSearch and Milvus to support hybrid and multi-vector search for large-scale data workloads.

You will collaborate with a global team to push the boundaries of AI-driven search, contribute to open-source ecosystems, and deliver enterprise-grade cloud search services through Volcano Engine.