Remote AI Engineer - Mail Platform & Personalization

Superhuman; United States; Remote; USD 150,000 - 220,000; Full time

Benefits offered by this job

Health care

Disability insurance

Life insurance

401(k) matching

Parental leave

Paid time off

Holidays

Floating holidays

Sick time

Home office stipend

Caregiving stipend

Wellness stipend

Dev budget

Job summary

Superhuman is seeking an AI Engineer on the Mail team to build the MCP, enabling agentic workflows and personalized AI experiences. You’ll work on backend systems and applied AI, selecting models and building the tools that empower agents to act for users.

You will collaborate across teams, ship features rapidly, and continuously improve how AI integrates with our products. This remote-friendly role offers flexibility and the chance to shape a rapidly evolving platform.

Qualifications

• 4–6+ years of software engineering with a strong backend foundation.
• Hands-on experience building and shipping LLM-powered features in production.
• Familiarity with MCP servers or tools, or eagerness to dive in.
• Working ML knowledge to reason about model selection and tradeoffs.

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
• (ML-leaning variant) Help shape our modeling approach, including what data to collect and how to generate it
• Technologies we use: Go, Postgres, Redis, Kubernetes, AWS, TurboPuffer

Skills

Backend development

LLM features

Eval systems

Model selection

Ownership

Growth mindset

AI enthusiasm

Tools

Postgres

Redis

Kubernetes

AWS

Go

Job description

Superhuman is seeking an AI Engineer on the Mail team to build the MCP, enabling agentic workflows and personalized AI experiences. You’ll work on backend systems and applied AI, selecting models and building the tools that empower agents to act for users.

You will collaborate across teams, ship features rapidly, and continuously improve how AI integrates with our products. This remote-friendly role offers flexibility and the chance to shape a rapidly evolving platform.