Harmonic tech stack
Harmonic builds mostly with TypeScript, JavaScript. Its stack also includes React.js. LLM is named in 2 of the 5 job postings Harmonic published in the last 12 months (40%). Counted by Alion from the job postings of Harmonic, updated Sep 29, 2026.
What programming languages does Harmonic use?
TypeScript is named in 20% of job postings at Harmonic, followed by JavaScript (20%).
TypeScript
1 20%
JavaScript
1 20%
What frameworks and libraries does Harmonic use?
React.js is named in 20% of job postings at Harmonic.
React.js
1 20%
What developer tools does Harmonic use?
GraphQL is named in 20% of job postings at Harmonic.
GraphQL
1 20%
What AI and ML technologies does Harmonic use?
LLM is named in 40% of job postings at Harmonic.
LLM
2 40%
Which engineering practices does Harmonic ask for?
AI Agents is named in 60% of job postings at Harmonic, followed by CI/CD (20%), Knowledge Graph (20%), Recommender Systems (20%).
AI Agents
3 60%
CI/CD
1 20%
Reranking
1 20%
How does your stack fit Harmonic?
How modern is the Harmonic stack?
Harmonic scores 76 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 Harmonic stack in its industry?
Share of the 36 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Harmonic
Questions about the Harmonic tech stack
What programming languages does Harmonic use?
The languages named in Harmonic job postings are TypeScript (20%), JavaScript (20%), as a share of the 5 postings of the last 12 months.
Is the Harmonic tech stack changing?
No new technology has appeared in Harmonic job postings in the last six months.
How modern is the Harmonic tech stack?
Harmonic scores 76 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 Harmonic tech stack?
Alion reads every job posting Harmonic 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 29, 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, "Harmonic tech stack: 12 technologies from 5 job postings", as of Sep 29, 2026. https://alion.io/company/harmonic-ai/technologies