Harper tech stack
Harper builds mostly with Node JS, JavaScript. Its stack also includes AWS, Akamai. AWS is named in 2 of the 3 job postings Harper published in the last 12 months (67%). Counted by Alion from the job postings of Harper, updated Oct 12, 2026.
What programming languages does Harper use?
Node JS is named in 33% of job postings at Harper, followed by JavaScript (33%).
Node JS
1 33%
JavaScript
1 33%
What cloud and platforms does Harper use?
AWS is named in 67% of job postings at Harper, followed by Akamai (67%), GCP (67%), Azure (33%).
What developer tools does Harper use?
Claude Code is named in 33% of job postings at Harper, followed by Copilot (33%), Cursor (33%), Docker (33%).
Which engineering practices does Harper ask for?
AI Agents is named in 33% of job postings at Harper, followed by Embeddings (33%), Function Calling (33%), RAG (33%).
How does your stack fit Harper?
How modern is the Harper stack?
Harper scores 73 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the Harper stack in its industry?
Share of the 5,478 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Harper
Questions about the Harper tech stack
What programming languages does Harper use?
The languages named in Harper job postings are Node JS (33%), JavaScript (33%), as a share of the 3 postings of the last 12 months.
Does Harper use AWS?
Yes. AWS is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does Harper use?
The cloud and platforms named in Harper job postings are AWS (2), Akamai (2), GCP (2) (postings in brackets).
Is the Harper tech stack changing?
No new technology has appeared in Harper job postings in the last six months.
How modern is the Harper tech stack?
Harper scores 73 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the Harper tech stack?
Alion reads every job posting Harper publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 12, 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, "Harper tech stack: 19 technologies from 3 job postings", as of Oct 12, 2026. https://alion.io/company/harper-fast/technologies