Senior Staff Software Development Engineer

20 hours ago

Bengaluru, IndiaStaff+

Responsibilities

Lead the design and development of hybrid retrieval architectures using vector similarity search and structured graph traversals.
Architect scalable ingestion, embedding, and indexing pipelines for massive multimodal datasets.
Develop advanced retrieval capabilities including multi-stage re-ranking, graph tooling for LLMs, and dynamic metadata filtering.
Design knowledge-graph schemas and semantic data models supporting high-performance relationship mapping and ontological integrity.
Build automated data validation and drift-detection systems for embedding quality and vector-space health.
Implement persistent, observable AI-agent memory systems targeting sub-second latency.
Unify disparate data sources into coherent, searchable knowledge bases and establish data-organization standards.
Evaluate and integrate emerging database and retrieval technologies with AI Research and Product teams.

8+ years of experience in data engineering or backend systems focused on high-performance data retrieval and storage.
BE/B.Tech in Computer Science, Mathematics, or an equivalent qualification; an MS or PhD is a plus.
Expert proficiency in Python, Java, or Go and strong knowledge of distributed-system design patterns.
Deep understanding of vector-database indexing strategies including HNSW, IVFFlat, and PQ, plus cosine, Euclidean, and dot-product distance metrics.
Experience with Pinecone, Milvus, Weaviate, or Qdrant.
Strong experience with graph databases such as Neo4j, AWS Neptune, or ArangoDB and query languages including Cypher or Gremlin.
Experience building semantic layers, ontologies, taxonomies, and other data models.
Hands-on experience with LangChain, LlamaIndex, and embedding models or providers including OpenAI, HuggingFace, and Cohere.
Experience with large-scale data processing using Spark, Flink, or Kafka for real-time indexing and ETL.
Understanding of information-retrieval techniques including BM25, TF-IDF, and reciprocal rank fusion.
Experience with AWS, GCP, or Azure and Kubernetes.
Preferred: B-Tech or M-Tech in Computer Science or a related technical discipline and 9+ years in Infrastructure, DevOps, or SRE roles focused on production traffic, automation, and API delivery.

501-1,000 employees

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