Checkout.com tech stack
Checkout.com builds mostly with Python, SQL, JavaScript, C#. Its stack also includes AWS, Azure, React.js, BigQuery. Python is named in 39 of the 95 job postings Checkout.com published in the last 12 months (41%). Counted by Alion from the job postings of Checkout.com, updated Sep 28, 2026.
What programming languages does Checkout.com use?
Python is named in 41% of job postings at Checkout.com, followed by SQL (31%), JavaScript (18%), C# (16%).
Python
39 41%
SQL
29 31%
JavaScript
17 18%
C#
15 16%
Java
12 13%
Go
10 11%
TypeScript
9 9%
PowerShell
3 3%
Show all (11)
What frameworks and libraries does Checkout.com use?
React.js is named in 12% of job postings at Checkout.com, followed by Angular (5%), Pandas (4%), Flink (3%).
React.js
11 12%
Angular
5 5%
Pandas
4 4%
Flink
3 3%
Gradio
3 3%
Commander.js
2 2%
PyTorch
2 2%
Scikit-learn
2 2%
Show all (19)
What databases does Checkout.com use?
BigQuery is named in 9% of job postings at Checkout.com, followed by Google BigQuery (9%), Snowflake (5%), ElasticSearch (3%).
BigQuery
9 9%
Google BigQuery
9 9%
Snowflake
5 5%
ElasticSearch
3 3%
PostgreSQL
3 3%
Redis
3 3%
Amazon Redshift
1 1%
MongoDB
1 1%
What cloud and platforms does Checkout.com use?
AWS is named in 21% of job postings at Checkout.com, followed by Azure (17%), GCP (16%), Looker (12%).
AWS
20 21%
Azure
16 17%
GCP
15 16%
.NET
10 11%
Kubernetes
9 9%
Postman
7 7%
GitHub
6 6%
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What developer tools does Checkout.com use?
Rest API is named in 9% of job postings at Checkout.com, followed by dbt (6%), Docker (6%), Microsoft Excel (5%).
Rest API
9 9%
dbt
6 6%
Docker
6 6%
Terraform
5 5%
Claude Code
4 4%
Cursor
4 4%
Git
4 4%
Show all (16)
What AI and ML technologies does Checkout.com use?
LLM is named in 8% of job postings at Checkout.com, followed by Claude (2%), BERT (1%), ChatGPT (1%).
Which engineering practices does Checkout.com ask for?
Machine Learning is named in 13% of job postings at Checkout.com, followed by CI/CD (11%), AI Agents (4%), A/B Testing (3%).
CI/CD
10 11%
AI Agents
4 4%
Computer Vision
3 3%
SLI/SLO/SLA
3 3%
Show all (29)
What does each Checkout.com team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
13 postingsData Science
11 postingsAnalytics
8 postingsSolutions
8 postingsFinance
8 postingsAI/ML
6 postingsHow does your stack fit Checkout.com?
How is the Checkout.com 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 Checkout.com stack?
Checkout.com 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: 6; legacy ones: 0.
How common is the Checkout.com stack in its industry?
Share of the 300 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Checkout.com apart
Companies with a stack like Checkout.com
Questions about the Checkout.com tech stack
What programming languages does Checkout.com use?
The languages named in Checkout.com job postings are Python (41%), SQL (31%), JavaScript (18%), C# (16%), Java (13%), as a share of the 95 postings of the last 12 months.
Does Checkout.com use React.js?
Yes. React.js is named in 11 of 95 job postings (12%) and required in 6 of them.
What cloud and platforms does Checkout.com use?
The cloud and platforms named in Checkout.com job postings are AWS (20), Azure (16), GCP (15) (postings in brackets).
What skills do you need for a Backend job at Checkout.com?
Backend postings at Checkout.com most often require Go (9), Java (8), .NET (7), C# (7), out of 13 postings in the last 12 months.
Is the Checkout.com tech stack changing?
Yes. Commander.js, Prompt Engineering, Claude, SLI/SLO/SLA first appeared in Checkout.com job postings in the last six months.
How modern is the Checkout.com tech stack?
Checkout.com 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: 6; legacy ones: 0.
How does Alion know the Checkout.com tech stack?
Alion reads every job posting Checkout.com publishes and tags the technologies each one names. The figures on this page count the 95 postings of the last 12 months and were updated on Sep 28, 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, "Checkout.com tech stack: 127 technologies from 95 job postings", as of Sep 28, 2026. https://alion.io/company/checkout-com/technologies