# Full-Stack Software Engineer, Reinforcement Learning

Hiring organization: [Menlo Ventures Portfolio](https://career.thegoodapps.co/organizations/menlo-ventures-portfolio)

Canonical page: https://career.thegoodapps.co/jobs/1907c559-4b12-46ec-88e9-dcb1c3a250d8

Listed on Menlo Ventures Portfolio's own careers site. Applications go to them directly.

- Employment type: full time
- Location: New York, NY
- Salary: 300000 – 405000 USD per year

## Summary

This role builds the data collection, labeling, and training platforms that power Claude's reinforcement learning pipeline. It suits full-stack engineers who want to ship high-impact infrastructure for AI training at speed, combining backend systems with researcher-facing and vendor-facing UIs.

_Our summary, not Menlo Ventures Portfolio's wording._

## Skills named

Amazon Web Services (AWS), CI/CD, Docker, Python, React, TypeScript

## Required

- Strong full-stack software engineering fundamentals
- Proficiency in Python
- Proficiency in a modern web stack like React or TypeScript
- Track record of shipping systems that solved hard problems
- High agency and ability to drive work forward independently
- Ability to communicate clearly with researchers, operations, and engineers

## Nice to have

- Experience building data collection, labeling, or annotation platforms at scale
- Background building multi-tenant platforms with role-based access and vendor management
- Experience with cloud infrastructure (GCP or AWS)
- Familiarity with LLM training, fine-tuning, or evaluation workflows
- Experience with async Python or high-throughput API design
- Background in dashboards, monitoring, or observability tooling
- Experience working directly with external vendors on technical integrations
- Non-traditional background (e.g. math or physics into SWE, competitive programming, research into engineering)

Apply on Menlo Ventures Portfolio's site: https://job-boards.greenhouse.io/anthropic/jobs/5186067008