Perplexity is looking for a highly skilled Senior or Expert Java Developer to join our Search Core team. This role is critical to building next-generation search products and technologies. You will help drive key decisions around the architecture, design, and implementation of foundational components in our technical stack.

Responsibilities

Design and implement new core search components, including a high-load ranking service, a distributed search coordination layer, and a fast-updating master data storage system
Build and optimize streaming and batch data processing subsystems for analytics and search index creation
Integrate with data science solutions for search index data analysis
Push the limits of hardware performance
Solve challenges in JVM tuning, concurrency, and system-level performance optimization
Optimize subsystems for reliable and consistent data replication within the core search stack

Qualifications

5+ years of hands-on experience in Java development
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, with the ability to apply them effectively
Deep understanding of multithreading, including various approaches, challenges, and trade-offs
Experience building high-load, distributed, and hardware-adjacent services
Expertise in real-time systems development

Preferred Qualifications

Experience developing core components of search engines, trading systems, or database systems
Familiarity with cloud services, Kubernetes (k8s), and AWS infrastructure

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

Equity: In addition to the base salary, equity may be part of the total compensation package.

Benefits: Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.

Apply now

See more open positions at Perplexity

Privacy policy Cookie policy