RTE tech stack
RTE builds mostly with Python, SQL, R, C++. Its stack also includes Power BI, Shiny, Figma, PostgreSQL. Python is named in 17 of the 30 job postings RTE published in the last 12 months (57%). Counted by Alion from the job postings of RTE, updated Oct 25, 2026.
What programming languages does RTE use?
Python is named in 57% of job postings at RTE, followed by SQL (13%), R (10%), C++ (7%).
C++ 
What frameworks and libraries does RTE use?
Shiny is named in 10% of job postings at RTE, followed by Matplotlib (3%), NumPy (3%), Unity (3%).
What cloud and platforms does RTE use?
Power BI is named in 27% of job postings at RTE, followed by Figma (7%), GitLab (7%), Kubernetes (3%).
What developer tools does RTE use?
Affinity Designer is named in 7% of job postings at RTE, followed by Canva (7%), Ansible (3%), AutoCAD (3%).
Affinity Designer 
Which engineering practices does RTE ask for?
Chaos Engineering is named in 3% of job postings at RTE, followed by Statistical Process Control (3%).
Chaos Engineering
1 3%
What does each RTE team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Early Careers
21 postingsBackend
4 postingsHow does your stack fit RTE?
How is the RTE 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 RTE stack?
RTE scores 70 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 RTE stack in its industry?
Share of the 454 companies in the same industries, whose stack Alion knows, that use each technology.
What sets RTE apart
Companies with a stack like RTE
Picarro
14 shared technologies
Ministère de l'Intérieur
14 shared technologies
Gameloft
14 shared technologies
Evolution
15 shared technologies
EssilorLuxottica
14 shared technologies
AUMOVIO
16 shared technologies
Seagate Technology
16 shared technologies
Mondelez International
14 shared technologies
Questions about the RTE tech stack
What programming languages does RTE use?
The languages named in RTE job postings are Python (57%), SQL (13%), R (10%), C++ (7%), C# (3%), as a share of the 30 postings of the last 12 months.
Does RTE use Shiny?
Yes. Shiny is named in 3 of 30 job postings (10%) and required in 3 of them.
What cloud and platforms does RTE use?
The cloud and platforms named in RTE job postings are Power BI (8), Figma (2), GitLab (2) (postings in brackets).
What skills do you need for a Early Careers job at RTE?
Early Careers postings at RTE most often require Python (10), Power BI (6), Affinity Designer (2), C++ (2), out of 21 postings in the last 12 months.
Is the RTE tech stack changing?
Yes. Affinity Designer, Shiny, R, Figma first appeared in RTE job postings in the last six months.
How modern is the RTE tech stack?
RTE scores 70 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 RTE tech stack?
Alion reads every job posting RTE publishes and tags the technologies each one names. The figures on this page count the 30 postings of the last 12 months and were updated on Oct 25, 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, "RTE tech stack: 21 technologies from 30 job postings", as of Oct 25, 2026. https://alion.io/company/rte-france/technologies