Machine Learning Engineer, Agents San Francisco

About Superhuman

Grammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million applications and websites. The company’s products include Grammarly’s writing assistance, Coda’s collaborative work spaces, Mail’s inbox management, and Go, the proactive AI assistant that understands context and delivers help automatically.

Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide to eliminate busywork and focus on what matters.

We are building a platform for AI Agents to come together and solve arbitrarily complex tasks, leveraging Superhuman ubiquitous UI. As a Machine Learning Engineer on this team, you will be at the heart of our company's transformation.

• Protect Shared Documents: lead the development of advanced machine learning systems to identify abusive users and fraudulent content, with a special focus on documents and content shared between users.
• Analyze Content and Behavior: build models that evaluate both document content and user behavior, allowing for nuanced and effective detection of spam, scams, and manipulative activity within shared environments.
• Own Key Detection Pipelines: develop, deploy, and maintain critical systems for monitoring documents, interactions, and sharing patterns, providing proactive interventions to keep collaborative work spaces safe.
• Integrate Leading AI Approaches: operate at the forefront of fraud prevention by leveraging the latest advances in NLP and machine learning to understand, flag, and stop suspicious patterns in real time.
• High-Impact, Mission-Aligned Work: join a focused, mission-driven team where your contributions directly protect millions of users.
• Deliver Results Quickly: move swiftly from concept to deployment, building solutions that enable safe document sharing and support Superhuman’s global user base.

• MS / PhD in Computer Science.
• 5+ years of industry experience as a machine learning engineer or applied research scientist.
• A deep understanding of modern algorithms and approaches to ML, NLP, and LLMs.
• Experience building LLM-based products.
• A deep care about the end‑user experience and strives to ensure high quality.
• Has a demonstrated ability to work independently with minimal guidance, proactively manages tasks and priorities across multiple projects, analyzes and executes work efficiently, collaborates effectively with cross‑functional teams, and thrives in fast‑paced, results‑driven environments.

Superhuman offers competitive pay along with a benefits package encompassing the following and more. Base pay may vary depending on your location and experience. For the United States, Zone 1 salaries range from $250,000 to $385,000 per year.

• Excellent health care (including a wide range of medical, dental, vision, mental health, and fertility benefits)
• Disability and life insurance options
• 401(k) and RRSP matching
• Paid parental leave
• 20 days of paid time off per year, 12 days of paid holidays per year, two floating holidays per year, and flexible sick time
• Generous stipends (including those for caregiving, pet care, wellness, your home office, and more)
• Annual professional development budget and opportunities

At Superhuman, we value our differences, and we encourage all to apply—especially those whose identities are traditionally underrepresented in tech organizations. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, ancestry, national origin, citizenship, age, marital status, veteran status, disability status, political belief, or any other characteristic protected by law. Superhuman is an equal opportunity employer and a participant in the US federal E‑Verify program (US).

We also abide by the Employment Equity Act (Canada).