Closing Lock tech stack
Closing Lock builds mostly with Python, JavaScript, PHP. Its stack also includes AWS, Django, FastAPI, Datadog. Python is named in 2 of the 4 job postings Closing Lock published in the last 12 months (50%). Counted by Alion from the job postings of Closing Lock, updated Oct 29, 2026.
What programming languages does Closing Lock use?
Python is named in 50% of job postings at Closing Lock, followed by JavaScript (50%), PHP (50%).
What frameworks and libraries does Closing Lock use?
Django is named in 50% of job postings at Closing Lock, followed by FastAPI (50%), Flask (50%), Pinia (50%).
What cloud and platforms does Closing Lock use?
AWS is named in 50% of job postings at Closing Lock, followed by Datadog (25%), New Relic (25%).
What developer tools does Closing Lock use?
Docker is named in 50% of job postings at Closing Lock, followed by npm (50%), Git (25%).
Which engineering practices does Closing Lock ask for?
CI/CD is named in 50% of job postings at Closing Lock.
CI/CD
2 50%
How does your stack fit Closing Lock?
How is the Closing Lock 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 Closing Lock stack?
Closing Lock 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 Closing Lock stack in its industry?
Share of the 855 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Closing Lock
Questions about the Closing Lock tech stack
What programming languages does Closing Lock use?
The languages named in Closing Lock job postings are Python (50%), JavaScript (50%), PHP (50%), as a share of the 4 postings of the last 12 months.
Does Closing Lock use Django?
Yes. Django is named in 2 of 4 job postings (50%) and required in 2 of them.
What cloud and platforms does Closing Lock use?
The cloud and platforms named in Closing Lock job postings are AWS (2), Datadog (1), New Relic (1) (postings in brackets).
Is the Closing Lock tech stack changing?
Yes. Pinia, Vitest, Vue.js, npm first appeared in Closing Lock job postings in the last six months.
How modern is the Closing Lock tech stack?
Closing Lock 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 Closing Lock tech stack?
Alion reads every job posting Closing Lock 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 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, "Closing Lock tech stack: 18 technologies from 4 job postings", as of Oct 29, 2026. https://alion.io/company/closinglock/technologies