# Search Senior Machine Learning Engineer

**Company**: Perplexity
**Location**: Belgrade, Berlin, London
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Technology

**Apply**: https://jobs.ashbyhq.com/perplexity/0190699f-010b-44f2-8399-278899fef018?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_61824d1d-f00

## Description

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.

## What you'll do

As a Senior Machine Learning Engineer, you will be responsible for pushing search quality forward through models, data, tools, or any other leverage available.

- 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 optimise RAG pipelines for grounding and answer generation

- Collaborate with Data, AI, Infrastructure and Product teams to ensure fast and high quality delivery

## What you need

- 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

## Skills

### Required
- deep understanding of search and retrieval systems
- proven track record with large-scale search or recommender systems
- self-driven, with a strong sense of ownership and execution

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Source: [Apply at jobs.ashbyhq.com](https://jobs.ashbyhq.com/perplexity/0190699f-010b-44f2-8399-278899fef018?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)