Lightmatter tech stack

Lightmatter builds mostly with Python, MATLAB, Verilog, C++. Its stack also includes Pytest, Linux, NumPy, FreeRTOS. Python is named in 56 of the 80 job postings Lightmatter published in the last 12 months (70%). Counted by Alion from the job postings of Lightmatter, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
51
Postings analysed
80
Open now
60
Modernity
70 /100
New in 6 months
8

What programming languages does Lightmatter use?

Python is named in 70% of job postings at Lightmatter, followed by MATLAB (26%), Verilog (14%), C++ (13%).

Python 56 70% required in 79% · 42 open now · since Jul 2025
MATLAB 21 26% required in 57% · 14 open now · since Jul 2025
Verilog 11 14% required in 100% · 7 open now · since Jul 2026
C++ 10 13% required in 70% · 9 open now · since Jul 2026
Java 5 6% required in 100% · 3 open now · since Jun 2026
SystemVerilog 4 5% required in 75% · 3 open now · since Jul 2025
Bash 1 1% required in 100% · 1 open now · since Jun 2026
Embedded C 1 1% required in 100% · 1 open now · since Sep 2026
Show all (10)
JavaScript1
C1

What frameworks and libraries does Lightmatter use?

Pytest is named in 6% of job postings at Lightmatter, followed by NumPy (5%), SciPy (5%), UVM (4%).

Pytest 5 6% optional · 5 open now · since Jan 2026
NumPy 4 5% required in 100% · 4 open now · since Jan 2026
SciPy 4 5% required in 100% · 4 open now · since Jan 2026
UVM 3 4% required in 100% · 3 open now · since Nov 2025

What databases does Lightmatter use?

Snowflake is named in 1% of job postings at Lightmatter.

Snowflake 1 1% optional · 1 open now · since Aug 2026

What cloud and platforms does Lightmatter use?

Linux is named in 5% of job postings at Lightmatter, followed by FreeRTOS (3%), GitHub Actions (1%), GitLab CI (1%).

Linux 4 5% required in 100% · 3 open now · since Jun 2026
FreeRTOS 2 3% required in 50% · 2 open now · since Sep 2026
GitHub Actions 1 1% required in 100% · 1 open now · since Sep 2026
GitLab CI 1 1% required in 100% · 1 open now · since Sep 2026
RTOS 1 1% required in 100% · 1 open now · since Sep 2026

What developer tools does Lightmatter use?

Git is named in 10% of job postings at Lightmatter, followed by Keysight ADS (9%), SolidWorks (6%), Cadence Virtuoso (6%).

Git 8 10% required in 63% · 7 open now · since Jan 2026
Keysight ADS 7 9% required in 100% · 5 open now · since Jul 2026
SolidWorks 5 6% required in 80% · 4 open now · since May 2026
Cadence Virtuoso 5 6% required in 60% · 5 open now · since Jun 2026
CMake 4 5% required in 100% · 3 open now · since Jul 2026
KLayout 4 5% optional · 4 open now · since Jan 2026
Ansys HFSS 3 4% required in 100% · 1 open now · since Jul 2026
Cadence Xcelium 3 4% required in 100% · 3 open now · since Nov 2025
Show all (25)
Formal Verification3
Siemens ModelSim3
Synopsys PrimeTime3
Cadence Spectre2
Ansys SIwave1
Cadence Allegro1
InfiniBand1
Jenkins1
NVLink1
TPU1
AutoCAD1
Cadence Integrity 3D-IC1
Cadence Pegasus1
QEMU1
Siemens Calibre1
Simulink1
Synopsys IC Validator1

What AI and ML technologies does Lightmatter use?

BERT is named in 1% of job postings at Lightmatter.

BERT 1 1% optional · since Aug 2026

Which engineering practices does Lightmatter ask for?

HPC is named in 100% of job postings at Lightmatter, followed by CI/CD (6%), Machine Learning (4%), Platform Engineering (1%).

HPC 80 100% required in 100% · 60 open now · since Mar 2025
CI/CD 5 6% required in 100% · 5 open now · since Jan 2026
Machine Learning 3 4% required in 100% · 3 open now · since Aug 2025
Platform Engineering 1 1% required in 100% · 1 open now · since Jul 2026
AI Agents 1 1% optional · 1 open now · since Aug 2026

What does each Lightmatter team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Hardware

22 postings
Python13
CMake4
Git4
MATLAB4
C++3
Linux3

Industrial Engineering

21 postings
Python15
MATLAB4
NumPy3
SciPy3
Synopsys PrimeTime3
Keysight ADS2

DevOps

10 postings
Verilog4
Cadence Spectre2
Cadence Virtuoso2

Data Science

9 postings
Python5
Cadence Xcelium2
Formal Verification2
MATLAB2
Siemens ModelSim2
SystemVerilog2

QA

7 postings
Python7
C++4
Java3
Verilog2

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How much does Lightmatter pay by technology?

Median stated pay of the postings that name each technology, against the median of all Lightmatter postings with stated pay: $220k across 58 postings.

TechnologyPostings with payMedianvs company median
Python40$221k0%
MATLAB15$240k+9%
C++8$223k+1%
Verilog6$219k0%

How is the Lightmatter 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.

First appeared
FreeRTOSSep 2026
C++Jul 2026
CMakeJul 2026
Cadence SpectreJul 2026
VerilogJul 2026
Keysight ADSJul 2026
Ansys HFSSJul 2026
Cadence VirtuosoJun 2026
Not named for 6 months
Cadence XceliumDec 2025
Formal VerificationDec 2025
Siemens ModelSimDec 2025
UVMDec 2025

How modern is the Lightmatter stack?

Modern AI adopter 70/100

Lightmatter 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: 1; legacy ones: 0.

How common is the Lightmatter stack in its industry?

Share of the 86 companies in the same industries, whose stack Alion knows, that use each technology.

Python84%
MATLAB35%
Verilog58%
C++73%
Java20%
Pytest19%
Linux57%
NumPy27%
SciPy10%
SystemVerilog55%

Questions about the Lightmatter tech stack

What programming languages does Lightmatter use?

The languages named in Lightmatter job postings are Python (70%), MATLAB (26%), Verilog (14%), C++ (13%), Java (6%), as a share of the 80 postings of the last 12 months.

Does Lightmatter use NumPy?

Yes. NumPy is named in 4 of 80 job postings (5%) and required in 4 of them.

What cloud and platforms does Lightmatter use?

The cloud and platforms named in Lightmatter job postings are Linux (4), FreeRTOS (2), GitHub Actions (1) (postings in brackets).

What skills do you need for a Hardware job at Lightmatter?

Hardware postings at Lightmatter most often require Python (13), CMake (4), Git (4), MATLAB (4), out of 22 postings in the last 12 months.

Is the Lightmatter tech stack changing?

Yes. FreeRTOS, C++, CMake, Cadence Spectre first appeared in Lightmatter job postings in the last six months.

How modern is the Lightmatter tech stack?

Lightmatter 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: 1; legacy ones: 0.

How does Alion know the Lightmatter tech stack?

Alion reads every job posting Lightmatter publishes and tags the technologies each one names. The figures on this page count the 80 postings of the last 12 months and were updated on Sep 27, 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, "Lightmatter tech stack: 51 technologies from 80 job postings", as of Sep 27, 2026. https://alion.io/company/lightmatter-co/technologies

Licence: CC BY-SA 4.0JSON