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Backend Software Engineer - Mobile

Perplexity AI

London

Hybrid

USD 200,000 - 250,000

Full time

21 days ago

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Job summary

A leading company in conversational AI is looking for an experienced engineer to build scalable systems and optimize interactions with databases and caching systems. If you have strong skills in Python and AWS infrastructure, this role offers competitive compensation and benefits. Join a fast-growing team that works closely with AI and Data Science teams to innovate and build complex solutions.

Benefits

Comprehensive health, dental, and vision insurance
401(k) plan
Equity options in addition to salary

Qualifications

  • 4+ years of engineering experience.
  • Strong experience with Python and AWS cloud infrastructure at scale.
  • Experience with databases, caching, and high-scale data.

Responsibilities

  • Build scalable systems that ingest and process data from various sources.
  • Optimize interfaces interacting with databases and caching systems.
  • Collaborate with stakeholders to understand product requirements.

Skills

Python
Databases
Caching
AWS
High-scale data
Non-deterministic systems

Job description

At Perplexity, we've experienced tremendous growth and adoption since publicly launching the world's first fully functional conversational answer engine in 2022. We've grown from answering 2.5 million questions per day at the start of 2024 to around 20 million daily queries in December 2024. We also offer Perplexity Enterprise Pro, which counts leading companies like Nvidia, the Cleveland Cavaliers, Bridgewater, and Zoom as customers.

To support our rapid expansion, we've raised significant funding from some of the most respected technology investors. Our investor base includes IVP, NEA, Jeff Bezos, NVIDIA, Databricks, Bessemer Venture Partners, Elad Gil, Nat Friedman, Daniel Gross, Naval Ravikant, Tobi Lutke, and many other visionary individuals. In 2024, our employee base grew nearly 300%, and we're just getting started.

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, equitymay be partof the total compensation package.
Benefits: Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.

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