5w English ad, no German stated Member of Technical Staff (Machine Learning Engineer, Search Agent RL) Berlin Hybrid Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
7w English ad, no German stated Member of Technical Staff (Search Core DevOps Engineer) Berlin Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
8w English ad, no German stated Member of Technical Staff (Search Core, Indexing & Data Pipeline Stream) Berlin Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
2mo English ad, no German stated Member of Technical Staff (Software Engineer, Infrastructure & Platform) Berlin Hybrid Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
2mo English ad, no German stated Internship - Machine Learning Research Engineer Berlin Hybrid Internship PPerplexity 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 Job posting ↗ · Details+ Track
2mo English ad, no German stated Member of Technical Staff (AI Researcher) Berlin Full-time Lead PPerplexity 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++ Job posting ↗ · Details+ Track
5mo English ad, no German stated Member of Technical Staff (Software Engineer, Cloud Infrastructure) Berlin Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
Open since Jul 2025 English ad, no German stated Member of Technical Staff (Backend Software Engineer, Search Crawler) Berlin Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
Open since Mar 2025 English ad, no German stated Member of Technical Staff (Search Engine Developer, Search Core) Berlin Full-time Lead PPerplexity 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+ Track
Open since Mar 2025 English ad, no German stated Member of Technical Staff (Machine Learning Engineer, Search) Berlin Hybrid Full-time Lead PPerplexity 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 Job posting ↗ · Details+ Track
Open since Mar 2025 English ad, no German stated Member of Technical Staff (Backend/Infrastructure Engineer, Search) Berlin Full-time Lead PPerplexity 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++ Job posting ↗ · Details+ Track