Klaviyo tech stack
Klaviyo builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes AWS, Django, Kubernetes, Redis. Python is named in 68 of the 241 job postings Klaviyo published in the last 12 months (28%). Counted by Alion from the job postings of Klaviyo, updated Nov 14, 2026.
What programming languages does Klaviyo use?
Python is named in 28% of job postings at Klaviyo, followed by SQL (13%), JavaScript (5%), TypeScript (5%).
Show all (14)
What frameworks and libraries does Klaviyo use?
Django is named in 11% of job postings at Klaviyo, followed by Celery (5%), FastAPI (5%), React.js (4%).
Django
26 11%
Celery
12 5%
FastAPI
12 5%
React.js
10 4%
LangChain
6 2%
Flink
5 2%
Cartographer
3 1%
Streamlit
3 1%
Show all (35)
What databases does Klaviyo use?
Redis is named in 10% of job postings at Klaviyo, followed by MySQL (9%), Snowflake (6%), Amazon Aurora (4%).
Redis
24 10%
MySQL
22 9%
Snowflake
14 6%
Amazon Aurora
9 4%
Memcached
9 4%
DynamoDB
4 2%
Google BigQuery
3 1%
PostgreSQL
2 1%
Show all (10)
What cloud and platforms does Klaviyo use?
AWS is named in 20% of job postings at Klaviyo, followed by Kubernetes (10%), Apache Kafka (9%), Tableau (7%).
AWS
47 20%
Kubernetes
25 10%
Apache Kafka
22 9%
Tableau
18 7%
RabbitMQ
16 7%
Amazon EC2
13 5%
GitHub
10 4%
Apache Pulsar
9 4%
Show all (38)
What developer tools does Klaviyo use?
Terraform is named in 13% of job postings at Klaviyo, followed by Cursor (4%), Model Context Protocol (4%), dbt (3%).
Show all (22)
What AI and ML technologies does Klaviyo use?
LLM is named in 16% of job postings at Klaviyo, followed by Claude (9%), ChatGPT (4%), Gemini (2%).
Which engineering practices does Klaviyo ask for?
Human-in-the-Loop is named in 100% of job postings at Klaviyo, followed by AI Agents (15%), CI/CD (12%), Machine Learning (6%).
AI Agents
35 15%
CI/CD
28 12%
Prompt Engineering
13 5%
RAG
9 4%
Show all (40)
What does each Klaviyo team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
32 postingsMarketing
31 postingsSolutions
12 postingsCustomer Success
10 postingsHow does your stack fit Klaviyo?
How much does Klaviyo pay by technology?
Median stated pay of the postings that name each technology, against the median of all Klaviyo postings with stated pay: $192k across 209 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 66 | $204k | +6% |
| AWS | 46 | $210k | +9% |
| LLM | 38 | $198k | +3% |
| SQL | 30 | $186k | −3% |
| Kubernetes | 25 | $222k | +16% |
| Django | 25 | $189k | −2% |
| Redis | 23 | $174k | −9% |
| Apache Kafka | 22 | $210k | +9% |
| Claude | 21 | $186k | −3% |
| MySQL | 21 | $174k | −9% |
How is the Klaviyo 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 Klaviyo stack?
Klaviyo scores 83 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 Klaviyo stack in its industry?
Share of the 383 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Klaviyo apart
Companies with a stack like Klaviyo
Questions about the Klaviyo tech stack
What programming languages does Klaviyo use?
The languages named in Klaviyo job postings are Python (28%), SQL (13%), JavaScript (5%), TypeScript (5%), Go (5%), as a share of the 241 postings of the last 12 months.
Does Klaviyo use Django?
Yes. Django is named in 26 of 241 job postings (11%) and required in 6 of them.
What cloud and platforms does Klaviyo use?
The cloud and platforms named in Klaviyo job postings are AWS (47), Kubernetes (25), Apache Kafka (22) (postings in brackets).
What skills do you need for a Backend job at Klaviyo?
Backend postings at Klaviyo most often require Python (21), AWS (12), Kubernetes (10), Apache Kafka (9), out of 32 postings in the last 12 months.
Is the Klaviyo tech stack changing?
Yes. Streamlit, Figma, NIST AI RMF, ISO 42001 first appeared in Klaviyo job postings in the last six months.
How modern is the Klaviyo tech stack?
Klaviyo scores 83 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 Klaviyo tech stack?
Alion reads every job posting Klaviyo publishes and tags the technologies each one names. The figures on this page count the 241 postings of the last 12 months and were updated on Nov 14, 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, "Klaviyo tech stack: 163 technologies from 241 job postings", as of Nov 14, 2026. https://alion.io/company/klaviyo/technologies