REO tech stack
REO builds mostly with Go, Python, SQL, JavaScript. Its stack also includes GitHub, Kubernetes, PostgreSQL, ClickHouse. GitHub is named in 8 of the 10 job postings REO published in the last 12 months (80%). Counted by Alion from the job postings of REO, updated Oct 30, 2026.
What programming languages does REO use?
Go is named in 30% of job postings at REO, followed by Python (30%), SQL (20%), JavaScript (20%).
What frameworks and libraries does REO use?
FastAPI is named in 10% of job postings at REO, followed by React.js (10%).
What databases does REO use?
PostgreSQL is named in 30% of job postings at REO, followed by ClickHouse (10%), Redis (10%).
What cloud and platforms does REO use?
GitHub is named in 80% of job postings at REO, followed by Kubernetes (30%), AWS (20%), Apache Kafka (10%).
What developer tools does REO use?
Docker is named in 90% of job postings at REO, followed by Git (10%), GraphQL (10%), Microsoft Excel (10%).
Which engineering practices does REO ask for?
CI/CD is named in 10% of job postings at REO.
CI/CD
1 10%
How does your stack fit REO?
How modern is the REO stack?
REO scores 79 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: 0; legacy ones: 0.
How common is the REO stack in its industry?
Share of the 463 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like REO
Questions about the REO tech stack
What programming languages does REO use?
The languages named in REO job postings are Go (30%), Python (30%), SQL (20%), JavaScript (20%), Java (10%), as a share of the 10 postings of the last 12 months.
Does REO use Kubernetes?
Yes. Kubernetes is named in 3 of 10 job postings (30%) and required in 2 of them.
What cloud and platforms does REO use?
The cloud and platforms named in REO job postings are GitHub (8), Kubernetes (3), AWS (2) (postings in brackets).
Is the REO tech stack changing?
No new technology has appeared in REO job postings in the last six months.
How modern is the REO tech stack?
REO scores 79 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: 0; legacy ones: 0.
How does Alion know the REO tech stack?
Alion reads every job posting REO publishes and tags the technologies each one names. The figures on this page count the 10 postings of the last 12 months and were updated on Oct 30, 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, "REO tech stack: 25 technologies from 10 job postings", as of Oct 30, 2026. https://alion.io/company/reo/technologies