Senior Staff Machine Learning Engineer, Ads Ranking

Reddit
United States
Workplace: RemoteFull timeUSD 292,500 - 409,500Function: Data Science & Machine LearningExperience: 9+ yearsSkills: ["Technical leadership","Communication","Collaboration","Rigor","Low-ego collaboration"]

Define and accelerate how agentic AI transforms ML modeling workflows, focusing on modeling leverage to increase quality and development velocity. Build advanced models and agentic workflows for designing, training, evaluating, and improving ML systems. Create reliable loops for data/label analysis, feature/embedding work, optimization, and error analysis, and design evaluation harnesses covering correctness, reproducibility, regressions, and cost/latency. Provide technical leadership, mentoring, and cross-team collaboration to connect modeling improvements to outcomes.

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FursaFursa
Reddit
Reddit
11 hours ago

Senior Staff Machine Learning Engineer, Ads Ranking

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live
Reposted: similar role first listed 8 months ago

Job Summary

Define and accelerate how agentic AI transforms ML modeling workflows, focusing on modeling leverage to increase quality and development velocity. Build advanced models and agentic workflows for designing, training, evaluating, and improving ML systems. Create reliable loops for data/label analysis, feature/embedding work, optimization, and error analysis, and design evaluation harnesses covering correctness, reproducibility, regressions, and cost/latency. Provide technical leadership, mentoring, and cross-team collaboration to connect modeling improvements to outcomes.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Develop advanced ML models and agentic workflows for designing, training, evaluating, and improving systems.
  • •Use AI-assisted development tools (e.g., Claude, Cursor) to investigate model behavior, generate/test hypotheses, automate analysis, and improve code and experiments.
  • •Build reliable modeling loops for data/label analysis, feature and embedding development, architecture comparison, hyperparameter optimization, error analysis, and experiment readouts.
  • •Design evaluation harnesses that assess both model outcomes and workflow quality (correctness, reproducibility, regressions, cost, latency).
  • •Partner with product, data science, ML infrastructure, and engineering teams; mentor engineers and set technical direction to raise modeling rigor.

Pay and Benefits

Salary: USD 292,500 - 409,500
Equity and Bonus:Equity
Perks:MedicalDentalVision401kEquityHome OfficePaid LeaveParental LeaveVolunteer Time

Key Requirements

  • •9+ years of experience in ML engineering, applied ML, or related work with substantial production impact.
  • •Senior Staff-level technical leadership with a record of influencing direction across teams.
  • •Deep modeling expertise across data, objectives, architectures, optimization, evaluation, and experimentation.
  • •Experience using agentic AI or AI coding tools to produce better ML outcomes (not just faster code generation).
  • •Ability to design guardrails and evaluations to make autonomous or semi-autonomous workflows trustworthy.
Experience:9+ yearsML engineeringApplied MLAgentic AI
Skills:Technical leadershipCommunicationCollaborationRigorLow-ego collaboration
Tech Stack:PythonClaudeCursor

Company Brief

Reddit
Operates Reddit, a large online community and discussion platform where users submit content, comment, and vote across topic-based communities (subreddits); monetizes via advertising, premium subscriptions, and awards.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2005
WebsiteLinkedIn