Circuit tech stack
Circuit builds mostly with Python, Go, JavaScript. Its stack also includes vLLM, PyTorch, Datadog, PostgreSQL. Python is named in 3 of the 4 job postings Circuit published in the last 12 months (75%). Counted by Alion from the job postings of Circuit, updated Nov 10, 2026.
What programming languages does Circuit use?
Python is named in 75% of job postings at Circuit, followed by Go (25%), JavaScript (25%).
What frameworks and libraries does Circuit use?
PyTorch is named in 50% of job postings at Circuit, followed by OpenTelemetry (25%), React.js (25%).
What databases does Circuit use?
PostgreSQL is named in 25% of job postings at Circuit.
PostgreSQL
1 25%
What cloud and platforms does Circuit use?
vLLM is named in 50% of job postings at Circuit, followed by Datadog (25%), Figma (25%), Kubernetes (25%).
What developer tools does Circuit use?
KServe is named in 50% of job postings at Circuit, followed by Docker (25%), Prometheus (25%).
What AI and ML technologies does Circuit use?
DeepSeek is named in 25% of job postings at Circuit, followed by LoRA (25%), Qwen (25%), VLM (25%).
Which engineering practices does Circuit ask for?
Embeddings is named in 50% of job postings at Circuit, followed by Fine-tuning (50%), Multimodal AI (50%), AI Agents (25%).
Embeddings
2 50%
Fine-tuning
2 50%
Multimodal AI
2 50%
AI Agents
1 25%
Computer Vision
1 25%
Function Calling
1 25%
RAG
1 25%
Show all (10)
How does your stack fit Circuit?
How is the Circuit 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.
How modern is the Circuit stack?
Circuit scores 87 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: 5; legacy ones: 0.
How common is the Circuit stack in its industry?
Share of the 1,655 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Circuit
Questions about the Circuit tech stack
What programming languages does Circuit use?
The languages named in Circuit job postings are Python (75%), Go (25%), JavaScript (25%), as a share of the 4 postings of the last 12 months.
Does Circuit use PyTorch?
Yes. PyTorch is named in 2 of 4 job postings (50%) and required in 2 of them.
What cloud and platforms does Circuit use?
The cloud and platforms named in Circuit job postings are vLLM (2), Datadog (1), Figma (1) (postings in brackets).
Is the Circuit tech stack changing?
Yes. Embeddings, Fine-tuning, KServe, Multimodal AI first appeared in Circuit job postings in the last six months.
How modern is the Circuit tech stack?
Circuit scores 87 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: 5; legacy ones: 0.
How does Alion know the Circuit tech stack?
Alion reads every job posting Circuit publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Nov 10, 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, "Circuit tech stack: 30 technologies from 4 job postings", as of Nov 10, 2026. https://alion.io/company/circuit/technologies