YAL tech stack
YAL builds mostly with Python, SQL, Java, Go. Its stack also includes Kubernetes, Azure, Redis, PyTorch. Python is named in 10 of the 13 job postings YAL published in the last 12 months (77%). Counted by Alion from the job postings of YAL, updated Nov 11, 2026.
What programming languages does YAL use?
Python is named in 77% of job postings at YAL, followed by SQL (31%), Java (23%), Go (23%).
Show all (9)
What frameworks and libraries does YAL use?
PyTorch is named in 31% of job postings at YAL, followed by LangChain (31%), Triton (23%), LangGraph (23%).
PyTorch
4 31%
LangChain
4 31%
LangGraph
3 23%
Asyncio
2 15%
FastAPI
2 15%
JAX
2 15%
SwiftUI
2 15%
Show all (41)
And 1 more, each named in fewer postings.
What databases does YAL use?
Redis is named in 31% of job postings at YAL, followed by PostgreSQL (23%), ClickHouse (8%), Core Data (8%).
Redis
4 31%
PostgreSQL
3 23%
ClickHouse
1 8%
Core Data
1 8%
ElasticSearch
1 8%
Milvus
1 8%
Neo4j
1 8%
OpenSearch
1 8%
Show all (10)
What cloud and platforms does YAL use?
Kubernetes is named in 46% of job postings at YAL, followed by Azure (38%), Apache Kafka (38%), AWS (23%).
Kubernetes
6 46%
Azure
5 38%
Apache Kafka
5 38%
AWS
3 23%
GCP
3 23%
Twilio
3 23%
GitHub
3 23%
Show all (28)
What developer tools does YAL use?
Docker is named in 54% of job postings at YAL, followed by WebSockets (46%), Git (38%), WebRTC (38%).
Docker
7 54%
WebSockets
6 46%
Git
5 38%
WebRTC
5 38%
Rest API
3 23%
Prometheus
3 23%
TensorRT
2 15%
Locust
2 15%
Show all (25)
What AI and ML technologies does YAL use?
LLM is named in 31% of job postings at YAL, followed by PEFT (15%), Whisper (15%), Core ML (8%).
Which engineering practices does YAL ask for?
AI Agents is named in 46% of job postings at YAL, followed by CI/CD (46%), Speech Recognition (46%), RAG (38%).
AI Agents
6 46%
CI/CD
6 46%
Speech Recognition
6 46%
RAG
5 38%
Function Calling
5 38%
Multimodal AI
5 38%
Show all (46)
And 6 more, each named in fewer postings.
What other technologies does YAL use?
Kotlin Coroutines is named in 8% of job postings at YAL, followed by StateFlow (8%), Swift Concurrency (8%).
What does each YAL team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
7 postingsHow does your stack fit YAL?
How is the YAL 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 YAL stack?
YAL scores 80 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: 8; legacy ones: 0.
How common is the YAL stack in its industry?
Share of the 1,798 companies in the same industries, whose stack Alion knows, that use each technology.
What sets YAL apart
Companies with a stack like YAL
Questions about the YAL tech stack
What programming languages does YAL use?
The languages named in YAL job postings are Python (77%), SQL (31%), Java (23%), Go (23%), Swift (15%), as a share of the 13 postings of the last 12 months.
Does YAL use PyTorch?
Yes. PyTorch is named in 4 of 13 job postings (31%) and required in 3 of them.
What cloud and platforms does YAL use?
The cloud and platforms named in YAL job postings are Kubernetes (6), Azure (5), Apache Kafka (5) (postings in brackets).
What skills do you need for a AI/ML job at YAL?
AI/ML postings at YAL most often require Python (6), LLM (4), WebRTC (4), WebSockets (4), out of 7 postings in the last 12 months.
Is the YAL tech stack changing?
Yes. LangGraph, LiveKit, Asyncio, FastAPI first appeared in YAL job postings in the last six months.
How modern is the YAL tech stack?
YAL scores 80 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: 8; legacy ones: 0.
How does Alion know the YAL tech stack?
Alion reads every job posting YAL publishes and tags the technologies each one names. The figures on this page count the 13 postings of the last 12 months and were updated on Nov 11, 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, "YAL tech stack: 170 technologies from 13 job postings", as of Nov 11, 2026. https://alion.io/company/yal/technologies