Sezzle tech stack
Sezzle builds mostly with Python, JavaScript, Go, SQL. Its stack also includes AWS, PostgreSQL, Kubernetes, MySQL. Claude is named in 119 of the 162 job postings Sezzle published in the last 12 months (73%). Counted by Alion from the job postings of Sezzle, updated Sep 27, 2026.
What programming languages does Sezzle use?
Python is named in 52% of job postings at Sezzle, followed by JavaScript (43%), Go (42%), SQL (40%).
Show all (11)
What frameworks and libraries does Sezzle use?
React.js is named in 36% of job postings at Sezzle, followed by React Native (34%), OpenTelemetry (5%), WooCommerce (4%).
React.js
58 36%
React Native
55 34%
OpenTelemetry
8 5%
WooCommerce
7 4%
pgvector
3 2%
Flink
2 1%
LangChain
2 1%
Lottie
2 1%
Show all (9)
What databases does Sezzle use?
PostgreSQL is named in 46% of job postings at Sezzle, followed by MySQL (40%), ElasticSearch (33%), Amazon Aurora (19%).
PostgreSQL
75 46%
MySQL
65 40%
ElasticSearch
53 33%
Amazon Aurora
31 19%
Amazon Redshift
14 9%
Pinecone
3 2%
Weaviate
3 2%
What cloud and platforms does Sezzle use?
AWS is named in 46% of job postings at Sezzle, followed by Kubernetes (42%), GitLab (42%), Grafana (20%).
AWS
75 46%
Kubernetes
68 42%
GitLab
68 42%
Grafana
33 20%
Datadog
27 17%
New Relic
26 16%
Braze
19 12%
Show all (31)
What developer tools does Sezzle use?
Git is named in 40% of job postings at Sezzle, followed by Prometheus (26%), Terraform (12%), Claude Code (12%).
Git
65 40%
Prometheus
42 26%
Terraform
20 12%
Claude Code
19 12%
Cursor
18 11%
Rest API
16 10%
Loki
13 8%
Show all (22)
What AI and ML technologies does Sezzle use?
Claude is named in 73% of job postings at Sezzle, followed by ChatGPT (14%), LLM (8%), BERT (2%).
Which engineering practices does Sezzle ask for?
CI/CD is named in 42% of job postings at Sezzle, followed by IAM (18%), Machine Learning (8%), Chaos Engineering (7%).
CI/CD
68 42%
Chaos Engineering
12 7%
Platform Engineering
12 7%
Progressive Delivery
12 7%
Tokenization
11 7%
Show all (25)
What does each Sezzle team work with?
The technologies each team's postings require most often, with the number of postings that require them.
DevOps
40 postingsMarketing
17 postingsEarly Careers
14 postingsAnalytics
14 postingsDesign
8 postingsHow does your stack fit Sezzle?
How much does Sezzle pay by technology?
Median stated pay of the postings that name each technology, against the median of all Sezzle postings with stated pay: $82k across 107 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Claude | 82 | $78k | −4% |
| Python | 54 | $114k | +40% |
| AWS | 49 | $114k | +40% |
| PostgreSQL | 49 | $114k | +40% |
| SQL | 47 | $96k | +18% |
| JavaScript | 45 | $114k | +40% |
| React.js | 44 | $114k | +40% |
| GitLab | 43 | $114k | +40% |
| Go | 43 | $114k | +40% |
| Kubernetes | 43 | $114k | +40% |
How is the Sezzle 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 Sezzle stack?
Sezzle scores 81 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: 4; legacy ones: 0.
How common is the Sezzle stack in its industry?
Share of the 39 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Sezzle apart
Companies with a stack like Sezzle
Questions about the Sezzle tech stack
What programming languages does Sezzle use?
The languages named in Sezzle job postings are Python (52%), JavaScript (43%), Go (42%), SQL (40%), TypeScript (33%), as a share of the 162 postings of the last 12 months.
Does Sezzle use React.js?
Yes. React.js is named in 58 of 162 job postings (36%) and required in 8 of them.
What cloud and platforms does Sezzle use?
The cloud and platforms named in Sezzle job postings are AWS (75), Kubernetes (68), GitLab (68) (postings in brackets).
What skills do you need for a DevOps job at Sezzle?
DevOps postings at Sezzle most often require AWS (35), Kubernetes (33), Go (27), MySQL (25), out of 40 postings in the last 12 months.
Is the Sezzle tech stack changing?
Yes. DNS, Galileo, Magento, WooCommerce first appeared in Sezzle job postings in the last six months.
How modern is the Sezzle tech stack?
Sezzle scores 81 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: 4; legacy ones: 0.
How does Alion know the Sezzle tech stack?
Alion reads every job posting Sezzle publishes and tags the technologies each one names. The figures on this page count the 162 postings of the last 12 months and were updated on Sep 27, 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, "Sezzle tech stack: 109 technologies from 162 job postings", as of Sep 27, 2026. https://alion.io/company/sezzle/technologies