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Senior Java Developer – Search Core – Belgrade at Perplexity AI

Senior Java Developer for building next-generation search products.
On-Site
Serbia
Undisclosed salary
Perplexity is seeking a Senior Java Developer to join their Search Core team in Belgrade. This role will focus on designing, implementing, and optimizing core search components and technologies.Perplexity has experienced tremendous growth since launching its conversational answer engine, amassing 10 million monthly active users and serving over 500 million queries in 2023. The company has raised significant funding from top investors and is valued at over $1 billion.Responsibilities:
  • Design and implement new core search components.
  • Build and optimize streaming and batch data processing subsystems.
  • Integrate with data science solutions for search index data analysis.
  • Solve challenges in JVM tuning, concurrency, and system-level performance optimization.
  • Optimize subsystems for reliable data replication.
Requirements:
  • 5+ years of Java development experience.
  • Deep understanding of JVM internals and performance tuning.
  • Knowledge of Python or other scripting languages.
  • Passion for writing clean, efficient, and scalable Java code.
  • Strong knowledge of algorithms and data structures.
  • Deep understanding of multithreading.
  • Experience building high-load, distributed, and hardware-adjacent services.
  • Expertise in real-time systems development.
The role offers:
  • Opportunity to build next-generation search products.
  • Solve challenges in JVM tuning, concurrency, and system-level performance optimization.
  • Work with a fast-growing company.
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Perplexity AI

Perplexity AI is a pioneering search company focused on building intuitive, AI-powered knowledge navigation tools. They are committed to delivering accurate, comprehensive answers by leveraging large language models and sophisticated information retrieval techniques. Perplexity AI strives to reshape how users access and understand information, moving beyond traditional search engines to provide direct, insightful responses and facilitate deeper exploration of topics. They are dedicated to innovation and advancing the capabilities of AI in knowledge discovery.