Remote AI Engineer: Mail Platform & Personalization

Superhuman; New York (NY); Remote; USD 154,000 - 257,000; Full time

Benefits offered by this job

Health care

Insurance

401(k) matching

Parental leave

Paid time off

Holidays

Floating holidays

Sick time

Home office stipend

Professional development budget

Job summary

Superhuman is building the AI productivity platform and the Mail team relies on engineers to advance MCP and agentic experiences. You’ll work on backend systems and applied AI, selecting models, building tools, and shipping features that empower users with fast, reliable email experiences.

As an AI Engineer, you’ll design workflows, ship personalization at scale, and contribute to evaluation systems that track quality as models evolve. Remote-friendly with hybrid options in SF/NYC/Seattle.

Qualifications

• 4-7+ years of software engineering experience with a strong backend foundation (Python or TypeScript is great, Go is a plus)
• Hands-on experience building and shipping LLM-powered features in production, such as agents or agentic loops
• Experience building evals to measure and improve LLM quality
• Familiarity with MCP servers or tools, or eagerness to dive in
• Working ML knowledge to reason about model selection and tradeoffs. We’re looking for builders, not researchers
• Comfortable with ambiguity and quick changes in direction
• An AI enthusiast who uses AI to boost your own productivity and your team’s impact
• Strong ownership, a bias to action, and a growth mindset
• We invite you to share your knowledge, experience, and goals with us to help us find the best team match for you. Tell us your superpower!

Responsibilities

• Build and evolve Superhuman Mail’s MCP: new tools, new standards, and new ways for agents to deliver value to end users
• Design and ship agentic workflows and personalization features at scale
• Build evaluation systems that measure quality and catch regressions as prompts, models, and tools change
• Help choose the right models for each task and keep exploring new ones
• Partner with teams across Superhuman to give them the AI building blocks they need
• Ship quickly while learning, and adjust course as the industry shifts
• Help shape our modeling approach, including what data to collect and how to generate it

Skills

Backend eng

LLM features

Model evaluation

MCP servers

ML knowledge

Ownership

Communication

Job description

Superhuman is building the AI productivity platform and the Mail team relies on engineers to advance MCP and agentic experiences. You’ll work on backend systems and applied AI, selecting models, building tools, and shipping features that empower users with fast, reliable email experiences.

As an AI Engineer, you’ll design workflows, ship personalization at scale, and contribute to evaluation systems that track quality as models evolve. Remote-friendly with hybrid options in SF/NYC/Seattle.