LY tech stack
LY builds mostly with Python, Go, JavaScript. Its stack also includes Redis, Dify, Flink. Python is named in 3 of the 10 job postings LY published in the last 12 months (30%). Counted by Alion from the job postings of LY, updated Oct 17, 2026.
What programming languages does LY use?
Python is named in 30% of job postings at LY, followed by Go (10%), JavaScript (10%).
What developer tools does LY use?
Babel is named in 10% of job postings at LY, followed by Cursor (10%), Model Context Protocol (10%), Webpack (10%).
What AI and ML technologies does LY use?
Claude is named in 30% of job postings at LY, followed by LLM (10%).
Which engineering practices does LY ask for?
AI Agents is named in 30% of job postings at LY, followed by Function Calling (30%), Tool Use (20%), LLM Evaluation (10%).
AI Agents
3 30%
Function Calling
3 30%
Prompt Engineering
1 10%
RAG
1 10%
RLHF
1 10%
What does each LY team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
5 postingsHow does your stack fit LY?
How modern is the LY stack?
LY scores 86 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: 2; legacy ones: 0.
Companies with a stack like LY
Questions about the LY tech stack
What programming languages does LY use?
The languages named in LY job postings are Python (30%), Go (10%), JavaScript (10%), as a share of the 10 postings of the last 12 months.
Does LY use Redis?
Yes. Redis is named in 3 of 10 job postings (30%) and required in 3 of them.
What cloud and platforms does LY use?
The cloud and platforms named in LY job postings are Dify (1) (postings in brackets).
What skills do you need for a AI/ML job at LY?
AI/ML postings at LY most often require Claude (3), Python (2), out of 5 postings in the last 12 months.
Is the LY tech stack changing?
No new technology has appeared in LY job postings in the last six months.
How modern is the LY tech stack?
LY scores 86 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: 2; legacy ones: 0.
How does Alion know the LY tech stack?
Alion reads every job posting LY publishes and tags the technologies each one names. The figures on this page count the 10 postings of the last 12 months and were updated on Oct 17, 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, "LY tech stack: 19 technologies from 10 job postings", as of Oct 17, 2026. https://alion.io/company/ly-com/technologies