Backend Software Engineer - Mobile

Details

Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world’s leading AI platforms. Perplexity has raised over $1B in venture investment from some of the world’s most visionary and successful leaders. Our objective is to build accurate, trustworthy AI that powers decision-making for people and assistive AI wherever decisions are being made.

Tech Stack: Python | PostgreSQL | DynamoDB | Redis | FastAPI

Role overview

Perplexity is looking for an experienced Backend Engineer to join a small team revolutionizing the way people search and interact with the internet. You will be responsible for leading design, implementation, and scaling of backend systems that power web, mobile, and browser products.

Responsibilities

• Build scalable systems that ingest and process data from the web, files, and other sources.
• Optimize interfaces that interact with databases and caching systems.
• Collaborate with PMs, frontend engineers, and other stakeholders to understand product requirements.
• Work closely with AI, Search, and Data Science teams to iterate on non-deterministic systems.
• Manage a complex orchestration system with many moving parts and interfaces.
• Scale, optimize, and load balance multiple services with rapidly changing needs.

Requirements

• Strong experience with Python.
• Strong experience with databases and caching.
• Experience with AWS cloud infrastructure at scale.
• Experience working with high-scale data and non-deterministic systems like LLMs.
• 4+ years of engineering experience.

Compensation & Benefits

• Cash compensation range: $200,000 - $250,000 per year.
• Equity may be part of the total compensation package.
• Benefits include comprehensive health, dental, and vision insurance and a 401(k) plan.