What3Words tech stack
What3Words builds mostly with JavaScript, TypeScript, Python, Go. Its stack also includes GitHub Actions, AWS, Appium, React.js. JavaScript is named in 3 of the 6 job postings What3Words published in the last 12 months (50%). Counted by Alion from the job postings of What3Words, updated Sep 30, 2026.
What programming languages does What3Words use?
JavaScript is named in 50% of job postings at What3Words, followed by TypeScript (33%), Python (33%), Go (17%).
What frameworks and libraries does What3Words use?
Appium is named in 33% of job postings at What3Words, followed by React.js (33%), Next.js (33%), Espresso (17%).
Appium
2 33%
React.js
2 33%
Next.js
2 33%
Espresso
1 17%
JUnit
1 17%
Playwright
1 17%
TestNG
1 17%
XCUITest
1 17%
Show all (11)
What databases does What3Words use?
BigQuery is named in 17% of job postings at What3Words, followed by Google BigQuery (17%), Redis (17%).
BigQuery 
What cloud and platforms does What3Words use?
GitHub Actions is named in 50% of job postings at What3Words, followed by AWS (33%), Kubernetes (33%), Grafana (33%).
GitHub Actions
3 50%
AWS
2 33%
Kubernetes
2 33%
Grafana
2 33%
AWS Lambda
1 17%
Amazon EKS
1 17%
GCP
1 17%
Istio
1 17%
Show all (9)
What developer tools does What3Words use?
CircleCI is named in 33% of job postings at What3Words, followed by Prometheus (33%), Terraform (17%), Docker (17%).
Which engineering practices does What3Words ask for?
CI/CD is named in 50% of job postings at What3Words, followed by Wi-Fi (50%), AI Agents (33%), GitOps (17%).
What does each What3Words team work with?
The technologies each team's postings require most often, with the number of postings that require them.
QA
3 postingsHow does your stack fit What3Words?
How is the What3Words 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 What3Words stack?
What3Words scores 70 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.
Companies with a stack like What3Words
Questions about the What3Words tech stack
What programming languages does What3Words use?
The languages named in What3Words job postings are JavaScript (50%), TypeScript (33%), Python (33%), Go (17%), Java (17%), as a share of the 6 postings of the last 12 months.
Does What3Words use Appium?
Yes. Appium is named in 2 of 6 job postings (33%) and required in 1 of them.
What cloud and platforms does What3Words use?
The cloud and platforms named in What3Words job postings are GitHub Actions (3), AWS (2), Kubernetes (2) (postings in brackets).
What skills do you need for a QA job at What3Words?
QA postings at What3Words most often require CircleCI (2), GitHub Actions (2), out of 3 postings in the last 12 months.
Is the What3Words tech stack changing?
Yes. Appium, AWS, Kubernetes, Python first appeared in What3Words job postings in the last six months.
How modern is the What3Words tech stack?
What3Words scores 70 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 What3Words tech stack?
Alion reads every job posting What3Words publishes and tags the technologies each one names. The figures on this page count the 6 postings of the last 12 months and were updated on Sep 30, 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, "What3Words tech stack: 42 technologies from 6 job postings", as of Sep 30, 2026. https://alion.io/company/what3words/technologies