Fixstars tech stack
Fixstars builds mostly with C++, Python, Rust. Its stack also includes PyTorch, PyTorch C++, GitLab, Windows. C++ is named in 10 of the 13 job postings Fixstars published in the last 12 months (77%). Counted by Alion from the job postings of Fixstars, updated Sep 28, 2026.
What programming languages does Fixstars use?
C++ is named in 77% of job postings at Fixstars, followed by Python (54%), Rust (8%).
What frameworks and libraries does Fixstars use?
PyTorch is named in 77% of job postings at Fixstars, followed by PyTorch C++ (62%), CUDA (15%), MLIR (8%).
PyTorch
10 77%
PyTorch C++
8 62%
NumPy
1 8%
OpenCV
1 8%
Show all (15)
What cloud and platforms does Fixstars use?
GitLab is named in 54% of job postings at Fixstars, followed by Windows (38%), GitHub (31%), Linux (23%).
GitLab
7 54%
GitHub
4 31%
Ubuntu
2 15%
AWS
2 15%
CUDA Toolkit
2 15%
Kubernetes
2 15%
Show all (12)
What developer tools does Fixstars use?
Git is named in 46% of job postings at Fixstars, followed by Docker (23%), SLURM (15%), Isaac Sim (8%).
What AI and ML technologies does Fixstars use?
LLM is named in 31% of job postings at Fixstars, followed by VLM (15%).
Which engineering practices does Fixstars ask for?
HPC is named in 8% of job postings at Fixstars, followed by Quantization (8%), SFT (8%), Sim-to-Real (8%).
What does each Fixstars team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
9 postingsHow does your stack fit Fixstars?
How is the Fixstars 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 Fixstars stack?
Fixstars 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 Fixstars stack in its industry?
Share of the 1,113 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Fixstars apart
Companies with a stack like Fixstars
Torc Robotics
50 shared technologies
PlusAI
40 shared technologies
Huawei Technologies
54 shared technologies
IMC Trading
43 shared technologies
Agency for Science, Technology and Research
58 shared technologies
Cerebras Systems
51 shared technologies
AUMOVIO
44 shared technologies
Winbond Electronics
39 shared technologies
Questions about the Fixstars tech stack
What programming languages does Fixstars use?
The languages named in Fixstars job postings are C++ (77%), Python (54%), Rust (8%), as a share of the 13 postings of the last 12 months.
Does Fixstars use PyTorch?
Yes. PyTorch is named in 10 of 13 job postings (77%) and required in 6 of them.
What cloud and platforms does Fixstars use?
The cloud and platforms named in Fixstars job postings are GitLab (7), Windows (5), GitHub (4) (postings in brackets).
What skills do you need for a AI/ML job at Fixstars?
AI/ML postings at Fixstars most often require C++ (6), Python (6), GitLab (5), PyTorch (5), out of 9 postings in the last 12 months.
Is the Fixstars tech stack changing?
Yes. SLURM, VLM first appeared in Fixstars job postings in the last six months.
How modern is the Fixstars tech stack?
Fixstars 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 Fixstars tech stack?
Alion reads every job posting Fixstars publishes and tags the technologies each one names. The figures on this page count the 13 postings of the last 12 months and were updated on Sep 28, 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, "Fixstars tech stack: 42 technologies from 13 job postings", as of Sep 28, 2026. https://alion.io/company/fixstars/technologies