White Circle

You'll design interfaces for AI safety tools at a fast-moving startup backed by OpenAI and Anthropic leaders. Your work will turn complex AI workflows into simple, clear interfaces used by engineering and research teams every day. You'll have **real ownership** and **ship things quickly** in a small team.

You'll own **full-cycle hiring** across engineering, AI research, product, and business roles. You'll partner with the Head of HR to attract exceptional talent across the US and Europe. **AI safety** is at the core of what we build. You'll help **build one of the strongest teams** in this critical field.

You'll **build White Circle's revenue engine** by turning founder-led traction into a scalable go-to-market organization. You'll own enterprise sales, shape pricing, and eventually hire the team around you. This role works directly with the CEO on **go-to-market strategy** and **enterprise sales process creation**.

You'll own **content strategy** at an AI safety company, turning customer conversations into compelling case studies. Your work will **drive product adoption** and shape how safety is built into AI systems. You'll also help founders maintain a consistent public voice across channels.

You'll **build and scale White Circle's partnership ecosystem** across the AI industry. Your work will directly drive **revenue, customer access, and strategic advantage** for a fast-growing AI safety startup. This role offers **high impact and visibility** in a small, focused team.

You'll review and evaluate AI conversations and model outputs, ensuring **safety, quality, and policy compliance**. Your work directly improves **AI safety at scale** for a leading AI safety company processing **over 100 million API calls monthly**.

You'll design, build, and maintain the cloud and on-prem infrastructure behind our **AI safety platform**. You'll manage Kubernetes clusters, CI/CD pipelines, and observability to keep production **reliable, secure, and scalable**. Your work will directly impact how AI safety is built at scale.

You'll own and evolve core systems for AI safety at scale, building real-time policy enforcement APIs and high-throughput data pipelines. You'll design and build backend services in Rust, own features end-to-end, and improve system performance. This role offers the chance to work deeply on **AI safety** in a **highly focused team**.

You'll train and ship speech, audio, and multimodal models for an AI safety platform that processes over **100M API calls per month**. You'll design experiments, optimize models for production, and collaborate with researchers to turn ideas into features. This role offers the chance to work deeply on hard problems at a **well-funded startup** backed by leaders from OpenAI and DeepMind.

You'll train and fine-tune **vision-language models** for image and video understanding, and build **alignment pipelines** like GRPO and DPO. You'll deploy models to production with **optimized inference**.

You'll build and maintain a **clean, stable data environment** for petabytes of logs and traces, enabling teams to access data without delays. You'll develop internal data APIs and tools that help **engineering and research teams query data effortlessly**. This role directly shapes how AI safety is built at a fast-growing startup.

You'll design and maintain end-to-end test automation frameworks using **Playwright** and **Python**, ensuring quality across our AI safety platform. Your work will directly improve test reliability and speed, helping shape engineering standards. You'll collaborate closely with engineers to ship reliable features quickly.