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Perplexity
Backend Software Engineer - Mobile

Backend Software Engineer - Mobile

Hybrid

San francisco, United states

$ 250,000 /year

Junior

Full Time

13-11-2025

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Skills

Python PostgreSQL Databases AWS AWS Cloud Redis FastAPI Data Science

Job Specifications

Perplexity is looking for an experienced Backend Engineer to join our 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.

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

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.

Qualifications

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

Our cash compensation range for this role is $200,000 - $250,000.

Final offer amounts are determined by multiple factors, including, experience and expertise, and may vary from the amounts listed above.

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.