Perplexity jobs

4w Not stated

Member of Technical Staff (Machine Learning Engineer, Search Agent RL)

Berlin

Hybrid Full-time Lead

Perplexity

A strong track record of building and shipping ML systems, with deep experience in one or more of LLM post-training, reinforcement learning, search and retrieval, or agent systems. Strong software engineering skills and the …

LLM

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5w Not stated

Member of Technical Staff (Search Core DevOps Engineer)

Berlin

Full-time Lead

Perplexity

3+ YOE Strong experience with cloud infrastructure built on AWS. Proficient in database management and caching strategies. Excellent problem-solving and troubleshooting skills, with the ability to analyze, debug, and resolve complex …

AWS, Docker, Kubernetes, Python, Terraform, Go

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6w Not stated

Member of Technical Staff (Machine Learning Research Engineer)

Berlin

Full-time Lead

Perplexity

3+ YOE Deep understanding of search and retrieval systems, including quality evaluation principles and metrics Proven track record with large-scale search or recommender systems Strong proficiency with PyTorch, including experience in …

PyTorch, LLM, RAG

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6w Not stated

Member of Technical Staff (Search Core, Indexing & Data Pipeline Stream)

Berlin

Full-time Lead

Perplexity

3+ YOE 3+ years of hands-on experience in systems programming (Rust, C++, C, or similar) Ownership of full project lifecycle you don't just write a fast inner loop, you care about how the system is built, deployed, operated, and scaled …

Rust, C++, C, Python, Linux, Kubernetes

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2mo Not stated

Member of Technical Staff (Software Engineer, Infrastructure & Platform)

Berlin

Hybrid Full-time Lead

Perplexity

4+ YOE 4+ years of professional software engineering experience building and operating production backend, platform, or distributed systems. A track record of owning complex production systems end to end and delivering sustained …

Python, Go, Rust, C++, Java, Kubernetes

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2mo Not stated

Internship - Machine Learning Research Engineer

Berlin

Hybrid Internship

Perplexity

Understanding of search and retrieval systems, including quality evaluation principles and metrics. Strong proficiency with PyTorch, including experience in distributed training techniques and performance optimization for large …

PyTorch, RAG

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2mo Not stated

Member of Technical Staff (AI Researcher)

Berlin

Full-time Lead

Perplexity

2+ YOE Required Proven experience with large-scale LLMs and Deep Learning systems Strong programming skills in Python/PyTorch; versatility is a plus Experience with post-training techniques and reinforcement learning Self-starter with a …

LLM, Python, C++

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5mo Not stated

Member of Technical Staff (Software Engineer, Cloud Infrastructure)

Berlin

Full-time Lead

Perplexity

7+ YOE Deep experience designing and operating cloud infrastructure on AWS (VPC design, routing, security groups, load balancing, private connectivity). Strong background with Kubernetes/EKS and container orchestration, including …

AWS, Kubernetes, Infrastructure as Code, Terraform, Python, Go

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15mo Not stated

Member of Technical Staff (Backend Software Engineer, Search Crawler)

Berlin

Full-time Lead

Perplexity

5+ YOE Minimum of 5 years of software development experience, with strong knowledge of data structures and algorithms in at least one of the following languages: Python, C++, Rust, or Go. Experience with large-scale web crawlers is …

Python, C++, Rust, Go, Kubernetes, AWS

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19mo Not stated

Member of Technical Staff (Search Engine Developer, Search Core)

Berlin

Full-time Lead

Perplexity

3+ YOE 3+ years of hands-on experience in systems programming (Rust, C++, C, or similar) Ownership of full project lifecycle — you don't just write a fast inner loop, you care about how the system is built, deployed, operated, and …

Rust, C++, C, Python, Linux, Kubernetes

Job posting ↗ · Details

19mo Not stated

Member of Technical Staff (Machine Learning Engineer, Search)

Berlin

Hybrid Full-time Lead

Perplexity

5+ YOE 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 …

LLM, RAG

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20mo Not stated

Member of Technical Staff (Backend/Infrastructure Engineer, Search)

Berlin

Full-time Lead

Perplexity

Strong experience with cloud infrastructure, distributed systems, and automation. Deep understanding of Linux internals, performance analysis, and production debugging. Experience building or operating latency-sensitive, …

Linux, Infrastructure as Code, CI/CD, Rust, Go, C++

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Tech jobs at Perplexity