whitecircle

Open 72d RemoteNorth America

2 weeks ago

Founding Account Executive

United States

About White Circle We process over 100M+ API calls every month and have raised $11M from top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others. White…

AI Anthropic API Datadog Hugging Face +5 skills

Agentic AI AI Anthropic API Candidate Experience +11 skills

last month

Recruiter (Research)

Open 30d RemoteWorldwide

TL;DR: We’re looking for an AI Research Recruiter who knows where exceptional AI Researchers and engineers can be found. You’ll own full-cycle hiring across research, machine learning, data, evaluations, and ML…

last month

DevOps Engineer

Open 34d HybridEurope

Agentic AI AI Anthropic API Automation +24 skills

Builds and maintains cloud (AWS) and on-prem infrastructure, including Kubernetes clusters, CI/CD pipelines, observability, networking, and automation to ensure AI safety platform reliability, security, and scalability.

80K – 150K $

AI Anthropic API Cloud Cybersecurity +8 skills

Partnerships Manager

Open 44d HybridUK

United Kingdom

About White Circle White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what…

Agentic AI AI Anthropic API Automation +16 skills

AI Red Team Engineer

Open 70d RemoteWorldwide

TLDR: We're looking for an AI Red Team Engineer to break LLM-powered systems responsibly, automate the repetitive attacks, and turn their findings into clear evidence that powers customer demos, security reviews,…

ML Infrastructure Engineer

Open 69d HybridEurope

Agentic AI AI Anthropic API Claude Code +21 skills

TLDR: We are looking for an ML Infrastructure Engineer to build the systems behind our LLM post-training, RL, evaluation, inference, and agentic development workflows. You will work close to researchers, GPUs, training…

Multimodal ML Engineer

Open 69d HybridEurope

Agentic AI AI Anthropic API Data Pipelines +15 skills

TLDR: Multimodal ML Engineer to train and ship vision, audio, video, and speech models for an AI safety platform that operates at 100M+ API calls/month. About us White Circle is an AI Safety company building the…

ML Research Engineer

Open 69d HybridEurope

Agentic AI AI Analytics Anthropic API +16 skills

TLDR: We are looking for several ML Engineers to train, post-train, and evaluate the LLMs at the core of our platform. This is hands-on modern model training work: large-scale data pipelines, SFT/RLHF/DPO-style…

Agentic AI AI Anthropic API Automation +14 skills

Founding GTM Engineer

Open 70d HybridUK

United Kingdom

About White Circle White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what…

Open 72d HybridEuropeFellowship

Research Scientist/Engineer (Agentic Systems)

Agentic AI AI Anthropic API Datadog +6 skills

TLDR: We're looking for a research scientist to build autonomous, large-scale environments that push LLM agents (single and multi-agent) to failure, and study how they actually break. About us White Circle is an AI…

Research Engineer (Evals)

Open 73d HybridEurope

Agentic AI AI Anthropic API Datadog +6 skills

TLDR: We're looking for a research engineer to build and maintain our internal suite of benchmarks, covering single/multi-turn content and agentic guardrails. The research engineer would also work with the team on…

3 months ago

Product Engineer (Backend)

Open 77d HybridEurope

Actix Agentic AI AI Anthropic API +16 skills

TLDR: We're looking for a Product Engineer (Backend – Rust) to own and evolve the core systems that power AI safety at scale – building APIs that handle hundreds of millions of requests, real-time policy…

80K – 150K usd

Open 85d RemoteEurope, North America

3 months ago

Recruiter (GTM & Business)

TL;DR: We’re looking for a GTM & Business Recruiter to help us build the GTM and Ops teams behind one of the most ambitious companies in AI safety. You’ll own full-cycle hiring across sales, partnerships, GTM…

Account Executive Agentic AI AI Anthropic API +10 skills

40K – 60K $

3 months ago

Personal Assistant

Open 85d RemoteEurope

Agentic AI AI Anthropic API Datadog +5 skills

TLDR: We’re looking for a highly organised and resourceful Personal Assistant. This is a hands-on execution role focused on taking ownership of administrative, logistical, and personal tasks: from calendar and travel…

Open 85d HybridEuropeContract

4 months ago

QA Engineer (Manual + Automation)

Agentic AI AI Anthropic API Automation +16 skills

TLDR: We’re looking for a hands-on QA Engineer to own product quality across our rapid release cycles. You’ll spend most of your time manually testing new features and fixes across our web platform and APIs: exploring…