# Whitecircle

- **Answer**: Whitecircle builds mostly with Python, Rust, SQL, C++. Its stack also includes Anthropic, Datadog, Playwright, PyTorch. Anthropic is named in 24 of the 25 job postings Whitecircle published in the last 12 months (96%). Counted by Alion from the job postings of Whitecircle, updated Nov 12, 2026.
- **Window days**: 365
- **Postings analysed**: 25
- **Open postings**: 14
- **Technologies in use**: 102
- **Modernity score**: 83
- **Ai adoption**: yes
- **License**: CC BY-SA 4.0

## Company

- **Id**: 720703
- **Name**: Whitecircle
- **Domain**: whitecircle.com
- **Url**: <https://alion.io/company/whitecircle-2>

## Technologies

- **Anthropic** — Layer: cloud; Postings: 24; Share: 0.96; Required: 8; Open postings: 13; First seen: 2025-12-01
- **Datadog** — Layer: cloud; Postings: 24; Share: 0.96; Required: 8; Open postings: 13; First seen: 2025-12-01
- **Hugging Face** — Layer: cloud; Postings: 24; Share: 0.96; Required: 8; Open postings: 13; First seen: 2025-12-01
- **OpenAI** — Layer: cloud; Postings: 24; Share: 0.96; Required: 7; Open postings: 13; First seen: 2025-12-01
- **AI Agents** — Layer: practices; Postings: 11; Share: 0.44; Required: 11; Open postings: 4; First seen: 2026-05-20
- **Python** — Layer: languages; Postings: 8; Share: 0.32; Required: 8; Open postings: 3; First seen: 2026-05-20
- **Sentry** — Layer: cloud; Postings: 8; Share: 0.32; Required: 0; Open postings: 4; First seen: 2026-05-20
- **LLM** — Layer: ai; Postings: 7; Share: 0.28; Required: 7; Open postings: 2; First seen: 2026-05-20
- **Mistral** — Layer: ai; Postings: 7; Share: 0.28; Required: 0; Open postings: 2; First seen: 2026-05-20
- **Claude Code** — Layer: tools; Postings: 3; Share: 0.12; Required: 3; Open postings: 2; First seen: 2026-07-01
- **GitHub** — Layer: cloud; Postings: 3; Share: 0.12; Required: 3; Open postings: 2; First seen: 2026-07-02
- **Machine Learning** — Layer: practices; Postings: 3; Share: 0.12; Required: 3; Open postings: 1; First seen: 2026-06-29
- **Multimodal AI** — Layer: practices; Postings: 3; Share: 0.12; Required: 3; Open postings: 2; First seen: 2026-06-28
- **Post-training** — Layer: practices; Postings: 3; Share: 0.12; Required: 3; Open postings: 2; First seen: 2026-06-28
- **CI/CD** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-05-20
- **DPO** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-07-02
- **Figma** — Layer: cloud; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2025-12-01
- **Fine-tuning** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-07-06
- **GRPO** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-07-02
- **Kubernetes** — Layer: cloud; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-07-06
- **Playwright** — Layer: frameworks; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-05-20
- **Postman** — Layer: cloud; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-05-20
- **PyTorch** — Layer: frameworks; Postings: 2; Share: 0.08; Required: 2; Open postings: 1; First seen: 2026-07-02
- **Pytest** — Layer: frameworks; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-05-20
- **Qwen** — Layer: ai; Postings: 2; Share: 0.08; Required: 2; Open postings: 1; First seen: 2026-07-02
- **RAG** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-06-24
- **RLHF** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-07-02
- **Reward Modeling** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-07-02
- **Rust** — Layer: languages; Postings: 2; Share: 0.08; Required: 2; Open postings: 0; First seen: 2026-06-24
- **SFT** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-07-02
- **SQL** — Layer: languages; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-07-01
- **Synthetic Data** — Layer: practices; Postings: 2; Share: 0.08; Required: 2; Open postings: 2; First seen: 2026-06-28
- **LLM Guardrails** — Layer: practices; Postings: 2; Share: 0.08; Required: 1; Open postings: 2; First seen: 2026-06-28
- **AWS** — Layer: cloud; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-08-06
- **Amazon EKS** — Layer: cloud; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-08-06
- **Amazon S3** — Layer: cloud; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-08-06
- **Apache Kafka** — Layer: cloud; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-06-24
- **Axum** — Layer: frameworks; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-06-24
- **Browser Agents** — Layer: practices; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-07-06
- **Burp Suite** — Layer: cloud; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-07-06
- **C++** — Layer: languages; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-07-06
- **CUDA** — Layer: frameworks; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-07-06
- **ClickHouse** — Layer: data; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-06-24
- **Cursor** — Layer: tools; Postings: 1; Share: 0.04; Required: 1; Open postings: 1; First seen: 2026-10-22
- **DeepSpeed** — Layer: frameworks; Postings: 1; Share: 0.04; Required: 1; Open postings: 1; First seen: 2026-07-02
- **Docker** — Layer: tools; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-08-06
- **ElevenLabs** — Layer: cloud; Postings: 1; Share: 0.04; Required: 1; Open postings: 0; First seen: 2026-07-30
- **Embeddings** — Layer: practices; Postings: 1; Share: 0.04; Required: 1; Open postings: 1; First seen: 2026-07-02
- **FSDP** — Layer: frameworks; Postings: 1; Share: 0.04; Required: 1; Open postings: 1; First seen: 2026-07-02
- **Framer Motion** — Layer: frameworks; Postings: 1; Share: 0.04; Required: 1; Open postings: 1; First seen: 2026-10-22
- … 52 more in the JSON form

## Changes

### First appeared

- **Fine-tuning** — First seen: 2026-07-06
- **Kubernetes** — First seen: 2026-07-06
- **PyTorch** — First seen: 2026-07-02
- **Qwen** — First seen: 2026-07-02
- **GitHub** — First seen: 2026-07-02
- **DPO** — First seen: 2026-07-02
- **GRPO** — First seen: 2026-07-02
- **RLHF** — First seen: 2026-07-02

## Similar stacks

- [Institute of Foundation Models](https://alion.io/company/institute-of-foundation-models/technologies) — Shared technologies: 63
- [Baseten](https://alion.io/company/baseten/technologies) — Shared technologies: 70
- [Prime Intellect](https://alion.io/company/primeintellect/technologies) — Shared technologies: 60
- [SambaNova Systems](https://alion.io/company/sambanova/technologies) — Shared technologies: 67
- [Fireworks AI](https://alion.io/company/fireworks/technologies) — Shared technologies: 70
- [Together AI](https://alion.io/company/together/technologies) — Shared technologies: 68
- [StepFun](https://alion.io/company/stepfun-com/technologies) — Shared technologies: 68
- [MiniMax](https://alion.io/company/minimax/technologies) — Shared technologies: 60

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.