Constructor Labs tech stack
Constructor Labs builds mostly with Python, C++, JavaScript, C#. Its stack also includes MariaDB, PyTorch, ElevenLabs, Linux. Python is named in 9 of the 21 job postings Constructor Labs published in the last 12 months (43%). Counted by Alion from the job postings of Constructor Labs, updated Nov 14, 2026.
What programming languages does Constructor Labs use?
Python is named in 43% of job postings at Constructor Labs, followed by C++ (14%), JavaScript (14%), C# (5%).
C++ 
Show all (9)
What frameworks and libraries does Constructor Labs use?
PyTorch is named in 14% of job postings at Constructor Labs, followed by DGL (10%), JAX (10%), Angular (5%).
Show all (15)
What databases does Constructor Labs use?
MariaDB is named in 19% of job postings at Constructor Labs.
MariaDB
4 19%
What cloud and platforms does Constructor Labs use?
ElevenLabs is named in 10% of job postings at Constructor Labs, followed by Linux (10%), Kubernetes (10%), .NET (5%).
What developer tools does Constructor Labs use?
Adobe After Effects is named in 10% of job postings at Constructor Labs, followed by Adobe Illustrator (10%), Adobe Photoshop (10%), Ansible (5%).
Adobe After Effects
2 10%
Adobe Illustrator
2 10%
Adobe Photoshop
2 10%
Ansible
1 5%
Docker
1 5%
Prometheus
1 5%
Terraform
1 5%
What AI and ML technologies does Constructor Labs use?
ChatGPT is named in 10% of job postings at Constructor Labs, followed by LLM (10%).
Which engineering practices does Constructor Labs ask for?
Machine Learning is named in 38% of job postings at Constructor Labs, followed by Digital Twin (24%), Human-in-the-Loop (10%), Incident Management (10%).
Incident Management
2 10%
NLP
2 10%
RLHF
2 10%
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What does each Constructor Labs team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Early Careers
3 postingsHow does your stack fit Constructor Labs?
How is the Constructor Labs 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 Constructor Labs stack?
Constructor Labs scores 80 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: 2; legacy ones: 0.
How common is the Constructor Labs stack in its industry?
Share of the 741 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Constructor Labs apart
Companies with a stack like Constructor Labs
Reddit
43 shared technologies
Atoms
41 shared technologies
Lawrence Livermore National Laboratory
44 shared technologies
Nanyang Technological University
49 shared technologies
Tiger Analytics
47 shared technologies
Roku
43 shared technologies
Roblox Corporation
43 shared technologies
University of Maryland
42 shared technologies
Questions about the Constructor Labs tech stack
What programming languages does Constructor Labs use?
The languages named in Constructor Labs job postings are Python (43%), C++ (14%), JavaScript (14%), C# (5%), Julia (5%), as a share of the 21 postings of the last 12 months.
Does Constructor Labs use PyTorch?
Yes. PyTorch is named in 3 of 21 job postings (14%) and required in 3 of them.
What cloud and platforms does Constructor Labs use?
The cloud and platforms named in Constructor Labs job postings are ElevenLabs (2), Linux (2), Kubernetes (2) (postings in brackets).
What skills do you need for a Early Careers job at Constructor Labs?
Early Careers postings at Constructor Labs most often require DGL (2), LLM (2), PyTorch (2), Python (2), out of 3 postings in the last 12 months.
Is the Constructor Labs tech stack changing?
Yes. MariaDB, Digital Twin, C++, DGL first appeared in Constructor Labs job postings in the last six months.
How modern is the Constructor Labs tech stack?
Constructor Labs scores 80 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: 2; legacy ones: 0.
How does Alion know the Constructor Labs tech stack?
Alion reads every job posting Constructor Labs publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Nov 14, 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, "Constructor Labs tech stack: 63 technologies from 21 job postings", as of Nov 14, 2026. https://alion.io/company/constructorlabs/technologies