Yellow tech stack
Yellow builds mostly with JavaScript, Node JS, Python, Go. Its stack also includes AWS, ElasticSearch, MySQL, Anthropic. JavaScript is named in 4 of the 4 job postings Yellow published in the last 12 months (100%). Counted by Alion from the job postings of Yellow, updated Oct 1, 2026.
What programming languages does Yellow use?
JavaScript is named in 100% of job postings at Yellow, followed by Node JS (100%), Python (100%), Go (50%).
What frameworks and libraries does Yellow use?
React.js is named in 25% of job postings at Yellow, followed by pgvector (25%).
What databases does Yellow use?
ElasticSearch is named in 75% of job postings at Yellow, followed by MySQL (75%), PostgreSQL (50%), Milvus (25%).
What cloud and platforms does Yellow use?
AWS is named in 75% of job postings at Yellow, followed by Anthropic (25%), Apache Kafka (25%), Azure (25%).
AWS
3 75%
Apache Kafka
1 25%
Azure
1 25%
GCP
1 25%
Kubernetes
1 25%
Show all (10)
What developer tools does Yellow use?
Git is named in 25% of job postings at Yellow, followed by Prometheus (25%), Rest API (25%), Terraform (25%).
What AI and ML technologies does Yellow use?
LLM is named in 25% of job postings at Yellow.
LLM
1 25%
Which engineering practices does Yellow ask for?
AI Agents is named in 50% of job postings at Yellow, followed by CI/CD (50%), NLP (50%), Function Calling (25%).
AI Agents
2 50%
CI/CD
2 50%
NLP
2 50%
Function Calling
1 25%
Platform Engineering
1 25%
Prompt Engineering
1 25%
RAG
1 25%
How does your stack fit Yellow?
How is the Yellow 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 Yellow stack?
Yellow scores 84 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: 1; legacy ones: 0.
How common is the Yellow stack in its industry?
Share of the 923 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Yellow
TalentXO
33 shared technologies
Cube
34 shared technologies
The Reliable Jobs
36 shared technologies
Neemtree
33 shared technologies
Orcapod Consulting Services
34 shared technologies
Globallogic
34 shared technologies
Scrums.com
36 shared technologies
Technology Management Solutions
37 shared technologies
Questions about the Yellow tech stack
What programming languages does Yellow use?
The languages named in Yellow job postings are JavaScript (100%), Node JS (100%), Python (100%), Go (50%), Java (50%), as a share of the 4 postings of the last 12 months.
Does Yellow use AWS?
Yes. AWS is named in 3 of 4 job postings (75%) and required in 2 of them.
What cloud and platforms does Yellow use?
The cloud and platforms named in Yellow job postings are AWS (3), Anthropic (1), Apache Kafka (1) (postings in brackets).
Is the Yellow tech stack changing?
Yes. Node JS, Python, AWS, ElasticSearch first appeared in Yellow job postings in the last six months.
How modern is the Yellow tech stack?
Yellow scores 84 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: 1; legacy ones: 0.
How does Alion know the Yellow tech stack?
Alion reads every job posting Yellow 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 Oct 1, 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, "Yellow tech stack: 36 technologies from 4 job postings", as of Oct 1, 2026. https://alion.io/company/yellow/technologies