Yayoi tech stack

Yayoi builds mostly with JavaScript, Java, TypeScript, Node JS. Its stack also includes AWS, Databricks, Next.js, React.js. AWS is named in 5 of the 5 job postings Yayoi published in the last 12 months (100%). Counted by Alion from the job postings of Yayoi, updated Sep 26, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 26, 2026
Technologies in use
62
Postings analysed
5
Open now
5
Modernity
89 /100
New in 6 months
2

What programming languages does Yayoi use?

JavaScript is named in 60% of job postings at Yayoi, followed by Java (40%), TypeScript (40%), Node JS (40%).

JavaScript 3 60% optional · 3 open now · since Mar 2026
Java 2 40% required in 100% · 2 open now · since Mar 2026
TypeScript 2 40% required in 100% · 2 open now · since Mar 2026
Node JS 2 40% optional · 2 open now · since Mar 2026
Python 1 20% required in 100% · 1 open now · since May 2026
Ruby 1 20% required in 100% · 1 open now · since May 2026

What frameworks and libraries does Yayoi use?

Next.js is named in 60% of job postings at Yayoi, followed by React.js (60%), Nest.JS (40%), PyTorch (40%).

Next.js 3 60% required in 100% · 3 open now · since Mar 2026
React.js 3 60% required in 67% · 3 open now · since Mar 2026
Nest.JS 2 40% required in 100% · 2 open now · since Mar 2026
PyTorch 2 40% required in 100% · 2 open now · since Oct 2025
Spring Boot 2 40% required in 100% · 2 open now · since Mar 2026
Outlines 1 20% required in 100% · 1 open now · since May 2026
Pandas 1 20% required in 100% · 1 open now · since May 2026
Tailwind CSS 1 20% required in 100% · 1 open now · since May 2026

What databases does Yayoi use?

Amazon Aurora is named in 40% of job postings at Yayoi, followed by MySQL (40%), DynamoDB (20%).

Amazon Aurora 2 40% required in 100% · 2 open now · since Mar 2026
MySQL 2 40% required in 100% · 2 open now · since Mar 2026
DynamoDB 1 20% required in 100% · 1 open now · since May 2026

What cloud and platforms does Yayoi use?

AWS is named in 100% of job postings at Yayoi, followed by Databricks (80%), Amazon SageMaker (60%), GCP (60%).

AWS 5 100% required in 100% · 5 open now · since Oct 2025
Databricks 4 80% required in 100% · 4 open now · since Oct 2025
Amazon SageMaker 3 60% required in 100% · 3 open now · since Oct 2025
GCP 3 60% required in 67% · 3 open now · since May 2026
AWS Fargate 2 40% required in 100% · 2 open now · since Mar 2026
Amazon ECS 2 40% required in 100% · 2 open now · since Mar 2026
GitHub 2 40% required in 100% · 2 open now · since Mar 2026
GitHub Actions 2 40% required in 100% · 2 open now · since Mar 2026
Show all (16)
Vertex AI2
AWS Bedrock1
AWS Lambda1
Azure1
Cloudflare1
Figma1
OpenAI1
Runway1

What developer tools does Yayoi use?

GraphQL is named in 40% of job postings at Yayoi, followed by Model Context Protocol (40%), Prisma (40%), Claude Code (20%).

GraphQL 2 40% required in 100% · 2 open now · since Mar 2026
Model Context Protocol 2 40% required in 100% · 2 open now · since May 2026
Prisma 2 40% required in 100% · 2 open now · since Mar 2026
Claude Code 1 20% required in 100% · 1 open now · since May 2026
ComfyUI 1 20% required in 100% · 1 open now · since May 2026
Cursor 1 20% required in 100% · 1 open now · since May 2026
OpenAI Codex 1 20% required in 100% · 1 open now · since May 2026
Rest API 1 20% required in 100% · 1 open now · since May 2026

What AI and ML technologies does Yayoi use?

LLM is named in 80% of job postings at Yayoi, followed by Claude (60%), Gemini (60%), ChatGPT (40%).

LLM 4 80% required in 75% · 4 open now · since Oct 2025
Claude 3 60% required in 100% · 3 open now · since Mar 2026
Gemini 3 60% required in 100% · 3 open now · since Mar 2026
ChatGPT 2 40% required in 100% · 2 open now · since Mar 2026
ControlNet 1 20% required in 100% · 1 open now · since May 2026
GPT-5 1 20% required in 100% · 1 open now · since May 2026
Grok 1 20% required in 100% · 1 open now · since May 2026
Kling 1 20% required in 100% · 1 open now · since May 2026
Show all (16)
LoRA1
Midjourney1
SDXL1
Stable Diffusion1
VLM1
Veo1
BERT1
PEFT1

Which engineering practices does Yayoi ask for?

CI/CD is named in 40% of job postings at Yayoi, followed by RAG (40%), OCR (40%), IAM (20%).

CI/CD 2 40% required in 100% · 2 open now · since Mar 2026
RAG 2 40% required in 50% · 2 open now · since Oct 2025
OCR 2 40% optional · 2 open now · since Oct 2025
IAM 1 20% required in 100% · 1 open now · since Jul 2026
ETL/ELT 1 20% optional · 1 open now · since Mar 2026

What does each Yayoi team work with?

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

AI/ML

3 postings
AWS3
Amazon SageMaker3
Databricks3
AWS Fargate2
Amazon Aurora2
Amazon ECS2

See the open roles

How does your stack fit Yayoi?

Sign in to compare your skills with this stack and see which open roles fit you.
Sign In

How is the Yayoi 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
GCPMay 2026
Model Context ProtocolMay 2026
Not named for 6 months
RAGMar 2026
OCRMar 2026

How modern is the Yayoi stack?

Cutting-edge AI adopter 89/100

Yayoi scores 89 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: 16; legacy ones: 0.

Questions about the Yayoi tech stack

What programming languages does Yayoi use?

The languages named in Yayoi job postings are JavaScript (60%), Java (40%), TypeScript (40%), Node JS (40%), Python (20%), as a share of the 5 postings of the last 12 months.

Does Yayoi use Next.js?

Yes. Next.js is named in 3 of 5 job postings (60%) and required in 3 of them.

What cloud and platforms does Yayoi use?

The cloud and platforms named in Yayoi job postings are AWS (5), Databricks (4), Amazon SageMaker (3) (postings in brackets).

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

AI/ML postings at Yayoi most often require AWS (3), Amazon SageMaker (3), Databricks (3), AWS Fargate (2), out of 3 postings in the last 12 months.

Is the Yayoi tech stack changing?

Yes. GCP, Model Context Protocol first appeared in Yayoi job postings in the last six months.

How modern is the Yayoi tech stack?

Yayoi scores 89 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: 16; legacy ones: 0.

How does Alion know the Yayoi tech stack?

Alion reads every job posting Yayoi publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Sep 26, 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, "Yayoi tech stack: 62 technologies from 5 job postings", as of Sep 26, 2026. https://alion.io/company/yayoi/technologies

Licence: CC BY-SA 4.0JSON