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Reddit

Senior Machine Learning Engineer

Reddit · Remote - Ontario, Canada

Posted about 3 months ago · Previously reposted

or apply directly on Reddit's site. We never take the application ourselves.

Is this posting real?

This role has been open
81 days
Reddit's roles stay open a median of 81 days
Reposted
Yes
taken down and listed again at least once
Salary listed
No
0% of Reddit's roles list one
Ghost-job risk at Reddit
high
148 stale, 3 reposted of 150 open
Hiring momentum
259 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

Measured from postings appearing on and disappearing from Reddit's own greenhouse board since 2026-08-03. Full hiring picture for Reddit.

About this role

As a Senior Machine Learning Engineer at Reddit, you will design and build production-grade machine learning systems that enhance user experiences across the platform. Your work will involve developing personalized recommendations, intelligent advertising systems, and large-scale machine learning pipelines, while collaborating with cross-functional teams to translate complex problems into effective ML solutions.

Our read on this posting3.0out of 5
benefits
4/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Reddit as an employer.

What you need

  • 3-5+ years of experience building, deploying, and operating machine learning systems in production
  • Strong programming skills in Python, Java, Go, or similar languages
  • Strong grasp of machine learning algorithms, including classic statistical learning and deep learning architectures
  • Hands-on experience with modern ML frameworks such as PyTorch or TensorFlow
  • Experience designing scalable ML pipelines and model serving infrastructure
  • Ability to work cross-functionally and translate ambiguous product or business problems into technical solutions

Nice to have

  • Experience with recommender systems, search/ranking systems, or advertising/auction systems
  • Familiarity with distributed systems and large-scale data processing tools like Spark or Kafka
  • Experience working with real-time systems and low-latency production environments
  • Background in feature engineering, model optimization, and production monitoring
  • Experience with LLM/Gen AI techniques and productionizing LLM-powered products at scale

What you get

  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k with Employer Match
  • Global Benefit programs that fit your lifestyle
  • Family Planning Support
  • Gender-Affirming Care
  • Mental Health & Coaching Benefits

Worth weighing

  • No salary listed
  • Role involves working with large-scale datasets and complex ML problems, which may require significant expertise
  • The position requires collaboration across various teams, which may involve navigating different priorities

Summarised from Reddit's posting. Read the full original.

Listed by Reddit on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

More roles at Reddit

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Apply to a Senior Machine Learning Engineer position at Reddit - Jobs near me at Remote - Ontario, Canada