Principal Machine Learning Engineer, Trust & Safety
Job Summary
The role involves leading the Trust Engineering team with a focus on technical strategy, architecture, and roadmap for machine learning systems, including deep learning and generative AI. The candidate will oversee large-scale ML deployment, responsible AI initiatives, and collaborate across teams to enhance trust and safety features on Pinterest. Strong expertise in building scalable ML systems and cross-functional project delivery is essential. The position offers flexibility, inclusive culture, and compensation packages aligned with experience.
Required Skills
Benefits
Job Description
About Pinterest:
Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product.
Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible.
We are looking for a Principal Machine Learning Engineer, a senior technical visionary, to be the Principal Technical Lead for the Trust Engineering team setting up overall technical strategy, unified technical architecture and defining a roadmap for industry leading methodology. Strong hands on machine learning background including deep learning architectures, generative AI, low-resource ML (zero shot, few shot), responsible AI and large scale deployment and measurement is required.
As the Principal T&S Tech Lead you'll be responsible for the technical direction, strategy and health of our Trust Engineering org. You'll ensure that our technology can deliver on the business/product requirements necessary to keep Pinterest safe and positive. This means working with other leads to set and execute a long-term strategy for Trust, aligning the strategy with other clients where it makes sense and communicating to leadership our current status and path to having world-class Trust capabilities. You'll also foster a healthy community where all Trust engineers can learn best practices, collaborate effectively and understand our technical direction.
What you’ll do
- Develop strong partnerships with product teams to understand and proactively address future technology needs and current developer pain points
- Champion and drive large-scale, cross-functional initiatives that improve the trust and safety of our platform
- Act as the ultimate “customer representative” for engineers on Trust including representing needs to leadership and prioritizing projects on the platform teams that ensure high quality capabilities and a world-class Pinner experience
- Scale your leadership through both direct mentorship and via best practices, processes, training and tools.
- Ensure solid technical plans are in place for projects within Trust via direct review or delegation
- Be the technical point of contact for decisions that impact the whole Pinterest platform and for cross-functional partners like policy, operations and legal
What we’re looking for:
- Deep expertise building large scale ML systems at scale with modern frameworks
- Knowledge of (and a passion for) building responsible and quality first discovery surfaces
- Track record of delivering large, cross-functional projects across multiple organizations
- Strong written and verbal communication skills and proven ability to collaborate cross-functionally
In-Office Requirement Statement:
- We let the type of work you do guide the collaboration style. That means we're not always working in an office, but we continue to gather for key moments of collaboration and connection.
- This role will need to be in the office for in-person collaboration 1 time per quarter and therefore can be situated anywhere in the country.
Relocation Statement:
- This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model.
#LI-REMOTE
# LI-AK7
At Pinterest we believe the workplace should be equitable, inclusive, and inspiring for every employee. In an effort to provide greater transparency, we are sharing the base salary range for this position. The position is also eligible for equity. Final salary is based on a number of factors including location, travel, relevant prior experience, or particular skills and expertise.
Information regarding the culture at Pinterest and benefits available for this position can be found here.
Our Commitment to Inclusion:
Safe Remote Job Search Tips
Verify Employer Thoroughly
Research the company's identity thoroughly before applying. Check for a professional website with contacts, active social media, and LinkedIn profiles. Verify details across platforms and look for reviews on Glassdoor or Trustpilot to confirm legitimacy.
Never Pay to Get a Job
Legitimate employers never require payment for applications, training, background checks, or equipment. Always reject upfront payment requests or demands for bank details, even if they claim it's for purchasing necessary work gear on your behalf.
Safeguard Your Personal Information
Protect sensitive data like SSN, bank details, or ID copies. Share this only after accepting a formal, written job offer. Ensure it's submitted via a secure company system or portal, never through insecure channels like standard email attachments.
Scrutinize Communication & Interviews
Watch for communication red flags: poor grammar, generic emails (@gmail), vague details, or undue pressure. Be highly suspicious of interviews held only via text or chat apps; legitimate companies typically use video or phone calls.
Beware of Unrealistic Offers
If an offer's salary or benefits seem unrealistically high for the work involved, be cautious. Research standard pay for similar roles. Offers that appear 'too good to be true' are often scams designed to lure you into providing information or payment.
Insist on a Formal Contract
Always secure and review a formal, written job offer or employment contract before starting work or sharing final personal details. Ensure it clearly defines your role, compensation, key terms, and conditions to avoid misunderstandings or scams.