Senior ML Engineer - Ads Targeting & Ranking

Discord; California (MO); On-site; USD 220,000 - 275,000; Full time

Job summary

Discord seeks a Senior Software Engineer specializing in Machine Learning to join the Revenue ML team. This group focuses on ads measurement, targeting, and delivery ranking to support both consumer revenue and its Ads initiative.

You will design, develop, and deploy ML models for ads targeting and ranking, build ML solutions like identity graphs, and scale infrastructure for low-latency real-time inference while collaborating with product, engineering, and business teams.

Qualifications

• 5+ years of experience as a Machine Learning Engineer or Data Scientist.
• 3+ years of experience specifically in Ads ML (ads ranking, personalization, optimization, privacy-compliant user modeling, targeting, or measurement).
• Strong proficiency in Python and familiarity with deep learning frameworks such as PyTorch or TensorFlow.
• Experience with applied deep learning (e.g transformers, embedding models).
• Proven track record of designing, implementing, and scaling ML-driven ad systems in real-world applications.
• Experience working with real-time ML inference, A/B testing, and optimization frameworks.
• Experience translating ML evaluation results and performance metrics into actionable product roadmap items.
• Ability to connect business objectives to ML solutions, with the flexibility to shift focus toward the highest-impact problems as priorities evolve.

Responsibilities

• Design, develop, and deploy machine learning models for ads targeting and ranking.
• Develop sophisticated ML solutions such as identity graph to enhance ad targeting.
• Build and optimize ad ranking models to serve the most effective ads based on campaign objectives (e.g., app installs, link click).
• Improve ads targeting and ranking by leveraging both on-platform and off-platform signals.
• Collaborate cross-functionally with product, engineering, and business teams to define and execute on the Ads ML roadmap.
• Scale our ML infrastructure to support an increasing number of concurrent ad campaigns while ensuring low-latency decision-making.
• Drive research and implementation of state-of-the-art ML techniques in the field of online advertising.

Skills

Python

PyTorch

TensorFlow

Deep learning

ML systems

A/B testing

Job description

Discord seeks a Senior Software Engineer specializing in Machine Learning to join the Revenue ML team. This group focuses on ads measurement, targeting, and delivery ranking to support both consumer revenue and its Ads initiative.

You will design, develop, and deploy ML models for ads targeting and ranking, build ML solutions like identity graphs, and scale infrastructure for low-latency real-time inference while collaborating with product, engineering, and business teams.