Member of Technical Staff (Machine Learning Engineer, Search)

Perplexity (London, UK) Follow 16 hours ago

Full-time Rankings Software Development Machine Learning Information Technology Equities

Search Senior Machine Learning Engineer (London, Belgrade, Berlin)

Perplexity is seeking an experienced Senior Machine Learning Engineer to help build the next generation of advanced search technologies, with a focus on retrieval and ranking.

Responsibilities

Relentlessly push search quality forward—through models, data, tools, or any other leverage available.
Architect and build core components of our search platform and model stack.
Train and evaluate retrieval, ranking and classification models, including LLMs.
Deploy models— from boosting to LLMs — in a scalable and performant way.
Build and optimize RAG pipelines for grounding and answer generation.
Collaborate with Data, AI, Infrastructure and Product teams to ensure fast and high quality delivery.

Qualifications

Deep understanding of search and retrieval systems, including quality evaluation principles and metrics.
Proven track record with large-scale search or recommender systems.
Self-driven, with a strong sense of ownership and execution.
Minimum of 5 years of working on search or recsys-related projects.

Final offer amounts are determined by multiple factors, including experience and expertise.

Benefits

Equity may be part of the total compensation package.
Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Software Development

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