Whitecircle tech stack

Whitecircle builds mostly with Python, Rust, SQL, C++. Its stack also includes Anthropic, Datadog, Playwright, PyTorch. Anthropic is named in 21 of the 21 job postings Whitecircle published in the last 12 months (100%). Counted by Alion from the job postings of Whitecircle, updated Sep 28, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 28, 2026
Technologies in use
91
Postings analysed
21
Open now
19
Modernity
82 /100
New in 6 months
8

What programming languages does Whitecircle use?

Python is named in 38% of job postings at Whitecircle, followed by Rust (10%), SQL (10%), C++ (5%).

Python 8 38% required in 100% · 7 open now · since May 2026
Rust 2 10% required in 100% · 2 open now · since Jun 2026
SQL 2 10% required in 100% · 2 open now · since Jul 2026
C++ 1 5% required in 100% · 1 open now · since Jul 2026
Go 1 5% required in 100% · 1 open now · since Jun 2026

What frameworks and libraries does Whitecircle use?

Playwright is named in 10% of job postings at Whitecircle, followed by PyTorch (10%), Pytest (10%), Axum (5%).

Playwright 2 10% required in 100% · 2 open now · since May 2026
PyTorch 2 10% required in 100% · 2 open now · since Jul 2026
Pytest 2 10% required in 100% · 2 open now · since May 2026
Axum 1 5% required in 100% · 1 open now · since Jun 2026
CUDA 1 5% required in 100% · 1 open now · since Jul 2026
DeepSpeed 1 5% required in 100% · 1 open now · since Jul 2026
FSDP 1 5% required in 100% · 1 open now · since Jul 2026
JAX 1 5% required in 100% · 1 open now · since Jul 2026
Show all (16)
LangChain1
LangGraph1
LlamaIndex1
NCCL1
PyTorch C++1
Ray1
SGLang1
TensorRT-LLM1

What databases does Whitecircle use?

ClickHouse is named in 5% of job postings at Whitecircle, followed by PostgreSQL (5%), Redis (5%).

ClickHouse 1 5% required in 100% · 1 open now · since Jun 2026
PostgreSQL 1 5% required in 100% · 1 open now · since Jun 2026
Redis 1 5% required in 100% · 1 open now · since Jun 2026

What cloud and platforms does Whitecircle use?

Anthropic is named in 100% of job postings at Whitecircle, followed by Datadog (100%), Hugging Face (100%), OpenAI (100%).

Anthropic 21 100% required in 29% · 19 open now · since Dec 2025
Datadog 21 100% required in 29% · 19 open now · since Dec 2025
Hugging Face 21 100% required in 29% · 19 open now · since Dec 2025
OpenAI 21 100% required in 24% · 19 open now · since Dec 2025
Sentry 8 38% optional · 7 open now · since May 2026
GitHub 2 10% required in 100% · 2 open now · since Jul 2026
Kubernetes 2 10% required in 100% · 1 open now · since Jul 2026
Postman 2 10% required in 100% · 2 open now · since May 2026
Show all (21)
AWS1
Amazon EKS1
Amazon S31
Apache Kafka1
Burp Suite1
CUDA Toolkit1
ElevenLabs1
Figma1
GitHub Actions1
GitLab CI1
Linux1
Unix1
vLLM1

What developer tools does Whitecircle use?

Claude Code is named in 10% of job postings at Whitecircle, followed by Docker (5%), InfiniBand (5%), Insomnia (5%).

Claude Code 2 10% required in 100% · 2 open now · since Jul 2026
Docker 1 5% required in 100% · since Aug 2026
InfiniBand 1 5% required in 100% · 1 open now · since Jul 2026
Insomnia 1 5% required in 100% · 1 open now · since May 2026
Locust 1 5% required in 100% · 1 open now · since May 2026
OpenAI Codex 1 5% required in 100% · 1 open now · since Jul 2026
SLURM 1 5% required in 100% · 1 open now · since Jul 2026
Terraform 1 5% required in 100% · since Aug 2026
Show all (10)
k61
TensorRT1

What AI and ML technologies does Whitecircle use?

LLM is named in 33% of job postings at Whitecircle, followed by Mistral (33%), Qwen (10%), Grok (5%).

LLM 7 33% required in 100% · 7 open now · since May 2026
Mistral 7 33% optional · 7 open now · since May 2026
Qwen 2 10% required in 100% · 2 open now · since Jul 2026
Grok 1 5% required in 100% · 1 open now · since Jul 2026
LLaVA 1 5% required in 100% · 1 open now · since Jul 2026
Whisper 1 5% required in 100% · 1 open now · since Jul 2026

Which engineering practices does Whitecircle ask for?

AI Agents is named in 52% of job postings at Whitecircle, followed by Machine Learning (14%), Multimodal AI (14%), Post-training (14%).

AI Agents 11 52% required in 100% · 9 open now · since May 2026
Machine Learning 3 14% required in 100% · 2 open now · since Jun 2026
Multimodal AI 3 14% required in 100% · 3 open now · since Jun 2026
Post-training 3 14% required in 100% · 3 open now · since Jun 2026
CI/CD 2 10% required in 100% · 1 open now · since May 2026
DPO 2 10% required in 100% · 2 open now · since Jul 2026
Fine-tuning 2 10% required in 100% · 2 open now · since Jul 2026
GRPO 2 10% required in 100% · 2 open now · since Jul 2026
Show all (30)
RAG2
RLHF2
Reward Modeling2
SFT2
Synthetic Data2
LLM Guardrails2
Browser Agents1
Embeddings1
Function Calling1
Human-in-the-Loop1
IAM1
Knowledge Distillation1
Mixture of Experts1
Model Distillation1
Multi-Agent Systems1
NLP1
Quantization1
Red Teaming1
Semantic Search1
Semantic Search1
TCP/IP1
Tool Use1

What does each Whitecircle team work with?

The technologies each team's postings require most often, with the number of postings that require them.

AI/ML

5 postings
Python4
LLM3
PyTorch2
Qwen2

Sales

3 postings
Anthropic3
Datadog3
Hugging Face3
OpenAI3

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How is the Whitecircle stack changing?

Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.

First appeared
Fine-tuningJul 2026
KubernetesJul 2026
PyTorchJul 2026
QwenJul 2026
DPOJul 2026
GRPOJul 2026
GitHubJul 2026
RLHFJul 2026

How modern is the Whitecircle stack?

Cutting-edge AI adopter 82/100

Whitecircle scores 82 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 6; legacy ones: 0.

How common is the Whitecircle stack in its industry?

Share of the 1,848 companies in the same industries, whose stack Alion knows, that use each technology.

Anthropic10%
Datadog9%
Hugging Face6%
OpenAI15%
Python60%
Sentry2%
LLM38%
Mistral1%
GitHub20%
Kubernetes35%

What sets Whitecircle apart

Sentry2%
Mistral1%

Questions about the Whitecircle tech stack

What programming languages does Whitecircle use?

The languages named in Whitecircle job postings are Python (38%), Rust (10%), SQL (10%), C++ (5%), Go (5%), as a share of the 21 postings of the last 12 months.

Does Whitecircle use Playwright?

Yes. Playwright is named in 2 of 21 job postings (10%) and required in 2 of them.

What cloud and platforms does Whitecircle use?

The cloud and platforms named in Whitecircle job postings are Anthropic (21), Datadog (21), Hugging Face (21) (postings in brackets).

What skills do you need for a AI/ML job at Whitecircle?

AI/ML postings at Whitecircle most often require Python (4), LLM (3), PyTorch (2), Qwen (2), out of 5 postings in the last 12 months.

Is the Whitecircle tech stack changing?

Yes. Fine-tuning, Kubernetes, PyTorch, Qwen first appeared in Whitecircle job postings in the last six months.

How modern is the Whitecircle tech stack?

Whitecircle scores 82 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 6; legacy ones: 0.

How does Alion know the Whitecircle tech stack?

Alion reads every job posting Whitecircle publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Sep 28, 2026.

Method and citation

Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count

Alion, "Whitecircle tech stack: 91 technologies from 21 job postings", as of Sep 28, 2026. https://alion.io/company/whitecircle-2/technologies

Licence: CC BY-SA 4.0JSON