Rearc tech stack
Rearc builds mostly with Python, SQL, Scala. Its stack also includes Spark, Databricks, Amazon Redshift, BigQuery. Python is named in 5 of the 5 job postings Rearc published in the last 12 months (100%). Counted by Alion from the job postings of Rearc, updated Oct 11, 2026.
What programming languages does Rearc use?
Python is named in 100% of job postings at Rearc, followed by SQL (80%), Scala (20%).
What databases does Rearc use?
Amazon Redshift is named in 20% of job postings at Rearc, followed by BigQuery (20%), Delta Lake (20%), Google BigQuery (20%).
BigQuery 
What cloud and platforms does Rearc use?
Spark is named in 100% of job postings at Rearc, followed by Databricks (100%), SIEM (80%), Tines (80%).
What developer tools does Rearc use?
Azure Data Factory is named in 20% of job postings at Rearc.
Which engineering practices does Rearc ask for?
CI/CD is named in 20% of job postings at Rearc, followed by ETL/ELT (20%).
What does each Rearc team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Security
4 postingsHow does your stack fit Rearc?
How modern is the Rearc stack?
Rearc 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 Rearc stack in its industry?
Share of the 538 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Rearc apart
Companies with a stack like Rearc
Insomniac Design
17 shared technologies
Infinitive
17 shared technologies
Blue Cloud Softech Solutions Ltd
19 shared technologies
ACB
18 shared technologies
Omada Health
18 shared technologies
Aledade
18 shared technologies
Oaktree Capital Management
18 shared technologies
RARR Technologies
17 shared technologies
Questions about the Rearc tech stack
What programming languages does Rearc use?
The languages named in Rearc job postings are Python (100%), SQL (80%), Scala (20%), as a share of the 5 postings of the last 12 months.
Does Rearc use Spark?
Yes. Spark is named in 5 of 5 job postings (100%) and required in 5 of them.
What cloud and platforms does Rearc use?
The cloud and platforms named in Rearc job postings are Spark (5), Databricks (5), SIEM (4) (postings in brackets).
What skills do you need for a Security job at Rearc?
Security postings at Rearc most often require Python (4), SIEM (4), SQL (4), Spark (4), out of 4 postings in the last 12 months.
Is the Rearc tech stack changing?
No new technology has appeared in Rearc job postings in the last six months.
How modern is the Rearc tech stack?
Rearc 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 Rearc tech stack?
Alion reads every job posting Rearc publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 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, "Rearc tech stack: 18 technologies from 5 job postings", as of Oct 11, 2026. https://alion.io/company/rearc/technologies