# Senior Machine Learning Engineer, Ads - Quora (Remote)

Hiring organization: [Quora](https://career.thegoodapps.co/organizations/quora)

Canonical page: https://career.thegoodapps.co/jobs/ac829e2f-2113-4a96-a5ed-d67a07921e37

Listed on Quora's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Senior
- Location: Remote - Multiple Locations, United States, Ireland, Canada, & 13 other countries
- Remote: yes
- Salary: 189507 – 274604 USD per year

## Summary

This role focuses on building and improving machine learning models for Quora's advertising ranking system, optimizing metrics like click-through and conversion rates. It suits experienced ML engineers who want end-to-end ownership of production systems at scale and direct impact on company revenue.

_Our summary, not Quora's wording._

## Skills named

A/B Testing, Deep Learning, Feature Engineering, Machine Learning, Python, PyTorch, TensorFlow

## Required

- 4+ years of professional software development experience in machine learning
- Hands-on experience developing and deploying ads ranking models at scale
- Experience with CTR or CVR prediction and calibration
- Experience evaluating ranking models through offline analysis and online experiments
- Experience building and deploying deep learning models with PyTorch or TensorFlow
- Strong Python programming skills and production ML code writing ability
- BS, MS or PhD in Computer Science, Engineering, or related technical field
- Availability during coordination hours (Mon-Fri 9am-3pm Pacific Time)
- Experience using AI-assisted development tools with sound judgment in validating results

## Nice to have

- Experience with modern ranking architectures like feature interaction networks and attention-based models
- Understanding of how ranking predictions and calibration interact with bidding and auctions
- Experience leading large-scale multi-engineer projects
- Experience with sparse or delayed conversion labels, sampling bias, cold-start, or training-serving inconsistency challenges
- Experience with generative recommender systems
- Strong communication and leadership skills
- Passion for Quora's mission

Apply on Quora's site: https://jobs.ashbyhq.com/quora/0cf73c29-e74b-4eaf-8dd4-e864d88bcc35/application
