Rain tech stack
Rain builds mostly with SQL, Python, Go, JavaScript. Its stack also includes AWS, Amazon ECS, PostgreSQL, Flink. SQL is named in 10 of the 13 job postings Rain published in the last 12 months (77%). Counted by Alion from the job postings of Rain, updated Nov 15, 2026.
What programming languages does Rain use?
SQL is named in 77% of job postings at Rain, followed by Python (62%), Go (54%), JavaScript (15%).
SQL
10 77%
Python
8 62%
Go
7 54%
JavaScript
2 15%
Kotlin
1 8%
LookML
1 8%
Swift
1 8%
TypeScript
1 8%
Show all (9)
What frameworks and libraries does Rain use?
Flink is named in 23% of job postings at Rain, followed by React.js (15%), Appium (8%), Chakra UI (8%).
Flink
3 23%
React.js
2 15%
Appium
1 8%
Chakra UI
1 8%
Cypress
1 8%
Espresso
1 8%
Playwright
1 8%
React Native
1 8%
Show all (15)
What databases does Rain use?
PostgreSQL is named in 31% of job postings at Rain, followed by Snowflake (8%).
PostgreSQL
4 31%
Snowflake
1 8%
What cloud and platforms does Rain use?
AWS is named in 54% of job postings at Rain, followed by Amazon ECS (54%), Apache Kafka (54%), GitHub Actions (54%).
AWS
7 54%
Apache Kafka
7 54%
GitHub Actions
7 54%
GitLab CI
7 54%
Kubernetes
7 54%
Amazon EKS
4 31%
Azure
3 23%
Show all (19)
What developer tools does Rain use?
Docker is named in 62% of job postings at Rain, followed by Rest API (62%), Bitrise (8%), Chrome DevTools (8%).
Which engineering practices does Rain ask for?
CI/CD is named in 69% of job postings at Rain, followed by A/B Testing (8%), AI Agents (8%), Machine Learning (8%).
CI/CD
9 69%
AI Agents
1 8%
Prompt Engineering
1 8%
State Management
1 8%
What does each Rain team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsHow does your stack fit Rain?
How is the Rain 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 Rain stack?
Rain scores 73 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 common is the Rain stack in its industry?
Share of the 173 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Rain apart
Companies with a stack like Rain
Questions about the Rain tech stack
What programming languages does Rain use?
The languages named in Rain job postings are SQL (77%), Python (62%), Go (54%), JavaScript (15%), Kotlin (8%), as a share of the 13 postings of the last 12 months.
Does Rain use Flink?
Yes. Flink is named in 3 of 13 job postings (23%) and required in 3 of them.
What cloud and platforms does Rain use?
The cloud and platforms named in Rain job postings are AWS (7), Amazon ECS (7), Apache Kafka (7) (postings in brackets).
What skills do you need for a Backend job at Rain?
Backend postings at Rain most often require AWS (4), Amazon ECS (4), Apache Kafka (4), Docker (4), out of 4 postings in the last 12 months.
Is the Rain tech stack changing?
Yes. JavaScript, React.js first appeared in Rain job postings in the last six months.
How modern is the Rain tech stack?
Rain scores 73 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 Rain tech stack?
Alion reads every job posting Rain publishes and tags the technologies each one names. The figures on this page count the 13 postings of the last 12 months and were updated on Nov 15, 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, "Rain tech stack: 58 technologies from 13 job postings", as of Nov 15, 2026. https://alion.io/company/rainapp/technologies