Sezzle tech stack
Sezzle builds mostly with Python, SQL, JavaScript, Go. Its stack also includes AWS, PostgreSQL, Kubernetes, MySQL. Claude is named in 208 of the 282 job postings Sezzle published in the last 12 months (74%). Counted by Alion from the job postings of Sezzle, updated Nov 11, 2026.
What programming languages does Sezzle use?
Python is named in 48% of job postings at Sezzle, followed by SQL (40%), JavaScript (35%), Go (34%).
Python
136 48%
SQL
114 40%
JavaScript
98 35%
Go
97 34%
TypeScript
83 29%
SAS
8 3%
PHP
7 2%
Apex
5 2%
Show all (11)
What frameworks and libraries does Sezzle use?
React.js is named in 31% of job postings at Sezzle, followed by React Native (30%), OpenTelemetry (3%), WooCommerce (2%).
React.js
87 31%
React Native
84 30%
OpenTelemetry
8 3%
WooCommerce
7 2%
Lottie
3 1%
pgvector
3 1%
Flink
2 1%
LangChain
2 1%
What databases does Sezzle use?
PostgreSQL is named in 43% of job postings at Sezzle, followed by MySQL (33%), ElasticSearch (29%), Amazon Aurora (15%).
PostgreSQL
120 43%
MySQL
94 33%
ElasticSearch
82 29%
Amazon Aurora
41 15%
Amazon Redshift
30 11%
Pinecone
3 1%
Weaviate
3 1%
What cloud and platforms does Sezzle use?
AWS is named in 43% of job postings at Sezzle, followed by Kubernetes (34%), GitLab (34%), Grafana (15%).
AWS
120 43%
Kubernetes
97 34%
GitLab
97 34%
Grafana
43 15%
Datadog
35 12%
New Relic
34 12%
Show all (34)
What developer tools does Sezzle use?
Git is named in 33% of job postings at Sezzle, followed by Prometheus (18%), Claude Code (16%), Cursor (16%).
Git
94 33%
Prometheus
52 18%
Claude Code
45 16%
Cursor
44 16%
Terraform
28 10%
Rest API
27 10%
dbt
23 8%
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What AI and ML technologies does Sezzle use?
Claude is named in 74% of job postings at Sezzle, followed by ChatGPT (21%), LLM (15%), BERT (1%).
Which engineering practices does Sezzle ask for?
CI/CD is named in 34% of job postings at Sezzle, followed by IAM (16%), AI Agents (10%), A/B Testing (10%).
CI/CD
97 34%
AI Agents
27 10%
SLI/SLO/SLA
19 7%
Show all (27)
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
38 postingsEarly Careers
36 postingsMarketing
26 postingsData Science
26 postingsSecurity
26 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: $72k across 189 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Claude | 133 | $54k | −25% |
| Python | 103 | $114k | +58% |
| AWS | 94 | $114k | +58% |
| PostgreSQL | 94 | $114k | +58% |
| SQL | 87 | $82k | +13% |
| JavaScript | 74 | $114k | +58% |
| React.js | 73 | $114k | +58% |
| GitLab | 72 | $114k | +58% |
| Go | 72 | $114k | +58% |
| Kubernetes | 72 | $114k | +58% |
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 80 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 115 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 (48%), SQL (40%), JavaScript (35%), Go (34%), TypeScript (29%), as a share of the 282 postings of the last 12 months.
Does Sezzle use React.js?
Yes. React.js is named in 87 of 282 job postings (31%) and required in 8 of them.
What cloud and platforms does Sezzle use?
The cloud and platforms named in Sezzle job postings are AWS (120), Kubernetes (97), GitLab (97) (postings in brackets).
What skills do you need for a DevOps job at Sezzle?
DevOps postings at Sezzle most often require AWS (33), Kubernetes (33), Go (25), Linux (24), out of 38 postings in the last 12 months.
Is the Sezzle tech stack changing?
Yes. Cilium, Linkerd, eBPF, Kyverno first appeared in Sezzle job postings in the last six months.
How modern is the Sezzle tech stack?
Sezzle scores 80 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 282 postings of the last 12 months and were updated on Nov 11, 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: 119 technologies from 282 job postings", as of Nov 11, 2026. https://alion.io/company/sezzle/technologies