Source Job

US

  • Develop advanced ML models and agentic workflows to accelerate model development.
  • Use AI-assisted tools like Claude and Cursor to investigate model behavior and automate analysis.
  • Set technical direction, mentor engineers, and raise the bar for modeling rigor.

Machine Learning Python TensorFlow PyTorch Data Analysis

20 jobs similar to Senior Staff Machine Learning Engineer, Ads Ranking

Jobs ranked by similarity.

$189,507–$274,604/yr
Global

  • Develop and improve ads ranking models, including prediction objectives, feature interactions, user-history modeling, and calibration.
  • Take end-to-end ownership of machine learning systems from data pipelines to production integration.
  • Evaluate and apply advances in deep learning and recommendation modeling to improve ads ranking within production constraints.

Quora operates two knowledge-sharing platforms: Quora, a global Q&A platform, and Poe, a platform for interacting with AI language models. They have a remote-first culture with passionate, collaborative, and high-performing global teams focused on transparency and experimentation.

$215,250–$285,982/yr
US

  • Build cutting-edge technology using deep learning and machine learning to personalize Pinterest.
  • Partner with teams to improve ML models for product surfaces like Homefeed and Search.
  • Use data-driven methods to improve content recommendation and ads delivery.

Pinterest is a platform where millions of people find creative ideas and plan for memories. The company is mission-driven, focusing on innovation and inclusion, with a large and diverse user base.

United States

  • Own the technical strategy for the end-to-end Ads ML engineer lifecycle, focusing on feature development and training iteration.
  • Define architecture and technical standards for ML feature and training-data systems across batch/streaming computation, backfills, and quality.
  • Build platform abstractions and workflow automation to make ML development faster, safer, and more self-service.

Reddit is a community of communities built on shared interests, passion, and trust. With 100,000+ active communities and approximately 130 million daily active unique visitors, it is one of the internet's largest sources of information and has a culture of openness and authenticity.

Europe

  • Provide technical leadership and mentorship to MLEs, driving strategy, designs, and best practices in analysis, modeling, and engineering.
  • Develop new or iterate on existing embedding models for advertising use cases, including aggregation pipelines, two-tower architectures, and sequence models.
  • Ensure reliability, scalability, and performance of ML systems through automated tests, monitoring, and best practices for model management.

Reddit is a community of communities built on shared interests, passion, and trust. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet's largest sources of information, operating with a flexible first workforce.

$230,000–$322,000/yr
US

  • Lead the development and optimization of machine learning models to detect and prevent AI security risks like prompt injection and jailbreaks.
  • Build reproducible training and evaluation pipelines on Reddit's ML platform, partnering with platform engineers to improve performance and reliability.
  • Set the technical vision and multi-quarter modeling roadmap, mentoring engineers and establishing best practices for responsible ML development.

Reddit is a community of communities, built on shared interests and authentic conversations, with 100,000+ active communities and 130 million daily active visitors. It is one of the internet's largest sources of information, fostering a culture of openness and trust.

$205,000–$265,000/yr
US

  • Drive ML strategy and roadmap for recommendation and matching systems.
  • Architect high-scale ML systems for real-time intent prediction and candidate ranking.
  • Provide org-wide technical leadership and mentor ML engineers across teams.

ZipRecruiter is a leading online employment marketplace powered by AI-driven smart matching technology. The company actively connects millions of businesses and job seekers and has the #1 rated job search app on iOS & Android.

Australia

  • Build, evaluate, and improve ML ranking models for private, team, and brand content search.
  • Drive relevance and recall improvements, focusing on enterprise user outcomes and emerging surfaces like agent search.
  • Investigate and resolve quality or relevance regressions in production search while communicating trade-offs clearly.

Canva is redefining how the world experiences design. With headquarters in Sydney and a second campus in Melbourne, the company fosters a flexible, inclusive culture and empowers teams to do their best work.

$170,170–$286,000/yr
North America

  • Design and maintain reliable, low-latency ML APIs to integrate Safety AI model outputs into cloud applications.
  • Build scalable data pipelines for continuous model iteration, backtesting, and online evaluation.
  • Optimize model artifacts for production and monitor rollout health, ensuring predictable failure modes.

Samsara builds a Connected Operations Cloud that helps physical operations use IoT data to improve safety, efficiency, and sustainability. Samsara is a recently public company with an employee-led remote culture and a long-term focus.

$184,049–$262,928/yr
US 5w PTO 26w maternity 26w paternity

  • Design, build, and improve machine learning training and inference pipelines for AI-driven music experiences.
  • Apply machine learning and prompt engineering across complex ML pipelines to support large language model features.
  • Create evaluation frameworks with LLM-as-judge pipelines to measure quality and enable rapid iteration.

Spotify is a digital music service that provides access to millions of songs. With over 700 million monthly active users, Spotify fosters a culture of innovation and collaboration, prioritizing artist-first principles in its AI music lab.

US Unlimited PTO

  • Own the technical vision and roadmap for ML systems powering forecasting, supply positioning, and fleet optimization.
  • Lead end-to-end execution of complex, cross-functional ML initiatives, from problem framing through production impact, ensuring alignment with business goals.
  • Mentor and develop engineers, providing technical guidance and raising the overall bar for ML and software engineering excellence.

Lime is the largest global shared micromobility business, on a mission to build a future where transportation is shared, affordable, and carbon-free. A Time Magazine 100 Most Influential Company, Lime has powered more than one billion rides in close to 30 countries across five continents, spurring a new generation of clean alternatives to car ownership.

Europe

  • Design, build, and operate production-grade machine learning systems for retail media use cases.
  • Collaborate with product managers, engineers, and commercial stakeholders to translate business requirements into scalable ML solutions.
  • Develop robust ML pipelines and bring models into production using a cloud-based stack, ensuring reliability and observability.

Redcare Pharmacy is Europe's No.1 e-pharmacy, providing online pharmacy services. The company is powered by passionate teams and fosters a healthy, collaborative work environment.

France Unlimited PTO

  • Own the ML/AI platform, including training infrastructure, model serving, inference pipelines, and production integrations.
  • Set technical direction for ML/AI architecture, tooling, standards, and strategy in partnership with data science and engineering.
  • Drive GenAI and LLM engineering, including RAG, prompt engineering, fine-tuning, and agentic workflows.

This company builds AI/ML infrastructure for financial technology products used by over 1,600 financial institutions. It operates as a globally distributed team with a focus on innovation and collaboration.

$0–$135,000/yr
US

  • Design and build AI agents and automation to solve real problems across engineering, product, and delivery.
  • Partner with stakeholders to identify high-leverage opportunities and deliver end-to-end solutions.
  • Stay current with LLM and agentic frameworks to drive innovation in healthcare technology.

HealtheDGE provides AI-powered operational infrastructure for health insurance companies, helping them modernize operations. The company is experiencing strong market momentum and invests in its people, offering a collaborative culture focused on innovation.

Global Unlimited PTO

  • Define the technical roadmap for Growth and Engagement ML systems, ensuring scalability and business impact.
  • Architect and deploy production-grade ML pipelines and real-time decisioning systems for personalization and onboarding.
  • Mentor senior engineers and collaborate with Product, Data Science, and Marketing leadership to drive core metrics.

Phantom is on a mission to connect the world to the freedom of open markets, providing access to global markets that never close. With around 180 fully remote employees and backed by a $150M Series C investment from a16z, Sequoia Capital, and Paradigm, we foster a culture of innovation and inclusivity.

$160,000–$190,000/yr
US Unlimited PTO

  • Design, build, and operate end-to-end ML systems across batch and real-time workloads.
  • Develop production capabilities for personalization, recommendations, optimization, and experimentation.
  • Provide technical leadership for ML architecture and distributed systems.

Kard is building commerce media infrastructure that connects financial institutions, financial-services platforms, and merchants through data and merchant-funded rewards. It is a remote-first company that values initiative, openness, and humility.

Global

  • Own the full ML lifecycle for ranking and retrieval, from training through deployment.
  • Build ranker features, training pipelines, and offline evaluation frameworks.
  • Design and scale hybrid retrieval combining lexical and vector search.

ClickUp is building the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search. They are an AI-native company with a collaborative culture focused on leveraging AI to improve productivity.

$180,000–$250,000/yr
Global

  • Work directly with leading AI labs and enterprises to define research goals and technical requirements.
  • Build data intelligence systems and implement ML pipelines for data curation, model training, and evaluation.
  • Develop LLM applications, including multi-agent systems, RAG workflows, and evaluation harnesses.

Our client is a venture-backed AI company building intelligent systems by combining human expertise with machine learning. With over $40 million in funding and a global expert network, they provide critical infrastructure for AI development.

Europe

  • Design and ship ML systems for document understanding, extraction, classification, and scoring to power Copilot and Autopilot features.
  • Own the full lifecycle of ML solutions from problem framing to production monitoring, using user feedback and error analysis to drive continuous improvement.
  • Partner with product, engineering, and accounting experts to integrate ML naturally into user workflows and define quality metrics that reflect real value.

Pennylane is a fast-growing fintech building the financial operating system for French SMEs and accounting firms, with a vision to expand across Europe. The company has grown to 1,000 employees, raised €400 million from Sequoia, and maintains a remote-friendly culture with a 4.6/5 Glassdoor rating.

$0–$150,000/yr
US EU UK

  • Optimize and validate targeting mechanisms for specific health conditions using classic ML.
  • Improve proprietary contextualization and recommendation engines handling trillions of transactions monthly.
  • Collaborate with internal health experts to prototype ideas for commercialization.

PulsePoint sits at the intersection of healthcare and adtech, helping brands and agencies interpret health signals by unifying digital determinants of health with real-world data. With over 300 employees and growing, they are a post-acquisition business and a leading player in the US healthcare ad market.

Canada Unlimited PTO

  • Write and ship production AI code daily as an active contributor.
  • Build the retrieval, graph, and inference layers on top of our data platform.
  • Set patterns other teams build against and turn company goals into shipped systems.

Acquia empowers brands to create digital customer experiences using its Drupal-based Digital Experience Platform. It is a Great Place to Work-Certified company with thousands of global organizations as clients.