Reisystems tech stack
Reisystems builds mostly with SQL, JavaScript, Java, Python. Its stack also includes AWS, Kubernetes, Spring Boot, React.js. AWS is named in 14 of the 27 job postings Reisystems published in the last 12 months (52%). Counted by Alion from the job postings of Reisystems, updated Oct 3, 2026.
What programming languages does Reisystems use?
SQL is named in 44% of job postings at Reisystems, followed by JavaScript (44%), Java (41%), Python (26%).
SQL
12 44%
JavaScript
12 44%
Java
11 41%
Python
7 26%
TypeScript
5 19%
C#
4 15%
Groovy
3 11%
Node JS
3 11%
Show all (11)
What frameworks and libraries does Reisystems use?
Spring Boot is named in 37% of job postings at Reisystems, followed by React.js (30%), Angular (19%), Cucumber (15%).
Spring Boot
10 37%
React.js
8 30%
Angular
5 19%
Cucumber
4 15%
JUnit
4 15%
Selenium
4 15%
JQuery
2 7%
ASP.NET Core
2 7%
Show all (18)
What databases does Reisystems use?
Oracle is named in 26% of job postings at Reisystems, followed by PostgreSQL (19%), Amazon Aurora (11%), DynamoDB (11%).
Oracle
7 26%
PostgreSQL
5 19%
Amazon Aurora
3 11%
DynamoDB
3 11%
MS SQL
2 7%
Azure SQL Database
1 4%
Chroma
1 4%
OpenSearch
1 4%
Show all (9)
What cloud and platforms does Reisystems use?
AWS is named in 52% of job postings at Reisystems, followed by Kubernetes (41%), New Relic (26%), Splunk (22%).
AWS
14 52%
Kubernetes
11 41%
New Relic
7 26%
Splunk
6 22%
Azure
5 19%
Amazon EC2
4 15%
Amazon EKS
4 15%
GitHub
4 15%
Show all (28)
What developer tools does Reisystems use?
Git is named in 44% of job postings at Reisystems, followed by Docker (37%), Jenkins (30%), Rest API (26%).
Git
12 44%
Docker
10 37%
Jenkins
8 30%
Rest API
7 26%
CloudFormation
3 11%
Terraform
3 11%
Adobe Photoshop
1 4%
Ansible
1 4%
Show all (16)
What AI and ML technologies does Reisystems use?
LLM is named in 7% of job postings at Reisystems.
LLM
2 7%
Which engineering practices does Reisystems ask for?
CI/CD is named in 52% of job postings at Reisystems, followed by Machine Learning (37%), IAM (15%), Incident Management (11%).
CI/CD
14 52%
Incident Management
3 11%
Embeddings
2 7%
Function Calling
2 7%
Show all (21)
What does each Reisystems team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
9 postingsDevOps
4 postingsHow does your stack fit Reisystems?
How modern is the Reisystems stack?
Reisystems scores 74 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: 1; legacy ones: 0.
How common is the Reisystems stack in its industry?
Share of the 3,784 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Reisystems apart
Companies with a stack like Reisystems
Questions about the Reisystems tech stack
What programming languages does Reisystems use?
The languages named in Reisystems job postings are SQL (44%), JavaScript (44%), Java (41%), Python (26%), TypeScript (19%), as a share of the 27 postings of the last 12 months.
Does Reisystems use Spring Boot?
Yes. Spring Boot is named in 10 of 27 job postings (37%) and required in 8 of them.
What cloud and platforms does Reisystems use?
The cloud and platforms named in Reisystems job postings are AWS (14), Kubernetes (11), New Relic (7) (postings in brackets).
What skills do you need for a Backend job at Reisystems?
Backend postings at Reisystems most often require SQL (9), Git (8), JavaScript (8), Oracle (6), out of 9 postings in the last 12 months.
Is the Reisystems tech stack changing?
No new technology has appeared in Reisystems job postings in the last six months.
How modern is the Reisystems tech stack?
Reisystems scores 74 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: 1; legacy ones: 0.
How does Alion know the Reisystems tech stack?
Alion reads every job posting Reisystems publishes and tags the technologies each one names. The figures on this page count the 27 postings of the last 12 months and were updated on Oct 3, 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, "Reisystems tech stack: 104 technologies from 27 job postings", as of Oct 3, 2026. https://alion.io/company/reisystems/technologies