Member of Technical Staff at Slingshot AI | GB | Rezi

Member of Technical Staff at Slingshot AI

Member of Technical Staff

Slingshot AI · GB

2 days ago

Member of Technical Staff

Slingshot AI · GB

2 days ago
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About the Role

As a Member of Technical Staff focused on Machine Learning, you will ship models, training infrastructure, harnesses and evals end-to-end. You will design, build, and launch the technology that makes Ash a differentiated AI model for mental health, aiming to improve billions of lives. We seek builders who are passionate about delivering value and making a tangible difference.

Responsibilities

  • Ship models, training infrastructure, harnesses, and evals end-to-end.
  • Design, build, and launch technology for Ash, an AI specialized for mental health.
  • Act as an owner and passionately deliver value to users.
  • Build feedback loops over features.
  • Learn from production performance, the psych research team, and scalable data sources.

Requirements

  • 3+ years of engineering experience, owning systems other people rely on.
  • Experience working with LLMs, ideally with fine-tuning, harness engineering, and evals.
  • Proficient in using agents to do your homework.
  • Driven by creating a world-class product with a world-class team.
  • Desire to own what you build.
  • Willingness to tear down experiments and features as the team learns.
  • Experience in a fast-paced startup, or the drive to thrive in one.
  • Collaborative and direct communication style.
  • Enjoy working in person with a small team.
  • Learning mindset and willingness to use various tools.

Skills

  • Machine Learning
  • LLMs
  • Fine-tuning
  • Harness engineering
  • Evals
  • Agents
  • Dart/Flutter
  • Kotlin
  • Next.js/TypeScript
  • Rust
  • gRPC
  • GCP (Kubernetes, Cloud Run)
  • SkyPilot

Location

  • New York City
  • London

Work Type

  • In-person
  • Full-time

Experience Level

  • 3+ years of engineering experience

Salary/Compensations

  • Competitive compensation (top of personal market)

Benefits

  • Meaningful equity
  • Travel between NYC and London offices
  • Free lunch and coffee in office
  • Generous learning budget
  • Company covers personal therapy

About the Company

  • Slingshot AI is the team behind Ash, the first AI designed for mental health.
  • Mission: Make support more accessible and help people change their lives.
  • Building a world-class team by empowering individuals with autonomy, flexibility, and support.
  • Values: Dream big, iterate fast, and care deeply.
  • Team spans machine learning, product, engineering, conversational design, clinical, growth, and operations.
  • Well-funded Series A company ($93M raised from Andreessen Horowitz, Radical Ventures, Forerunner Ventures, and other top-tier tech investors).
  • Technology stack includes Dart/Flutter, Kotlin, Next.js/TypeScript, Rust, gRPC, and GCP.