SiFive tech stack

SiFive builds mostly with SystemVerilog, Python, Chisel, Verilog. Its stack also includes UVM, GitHub, Linux, MLIR. SystemVerilog is named in 68 of the 131 job postings SiFive published in the last 12 months (52%). Counted by Alion from the job postings of SiFive, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
95
Postings analysed
131
Open now
110
Modernity
71 /100
New in 6 months
8

What programming languages does SiFive use?

SystemVerilog is named in 52% of job postings at SiFive, followed by Python (38%), Chisel (32%), Verilog (31%).

SystemVerilog 68 52% required in 97% · 55 open now · since Apr 2026
Python 50 38% required in 82% · 43 open now · since Apr 2026
Chisel 42 32% required in 79% · 30 open now · since Apr 2026
Verilog 40 31% required in 95% · 28 open now · since Apr 2026
Scala 38 29% required in 58% · 28 open now · since Apr 2026
C++ 26 20% required in 81% · 21 open now · since Apr 2026
VHDL 23 18% required in 100% · 12 open now · since Apr 2026
Bluespec 17 13% optional · 12 open now · since Apr 2026
Show all (21)
Perl11
Java3
Rust3
C3
Haskell3
Groovy2
JavaScript2
Ada1
Go1
SQL1
TCL Scripting1
TypeScript1
OCaml1

What frameworks and libraries does SiFive use?

UVM is named in 27% of job postings at SiFive, followed by MLIR (5%), Django (2%), PyTorch (2%).

UVM 36 27% required in 83% · 32 open now · since Apr 2026
MLIR 6 5% required in 100% · 6 open now · since May 2026
Django 3 2% required in 100% · 2 open now · since Aug 2026
PyTorch 3 2% required in 67% · 1 open now · since May 2026
PyTorch C++ 3 2% required in 67% · 1 open now · since May 2026
CUDA 3 2% required in 33% · 1 open now · since May 2026
OpenCL 2 2% required in 50% · 1 open now · since May 2026
ROCm 2 2% required in 50% · 1 open now · since May 2026
Show all (17)
Apache TVM1
Pytest1
Robot Framework1
SGLang1
TensorFlow1
TensorFlow C++1
Triton1
Hadoop1
React.js1

What databases does SiFive use?

PostgreSQL is named in 2% of job postings at SiFive, followed by Redis (1%).

PostgreSQL 2 2% required in 50% · 1 open now · since Aug 2026
Redis 1 1% optional · 1 open now · since Aug 2026

What cloud and platforms does SiFive use?

GitHub is named in 15% of job postings at SiFive, followed by Linux (11%), Kubernetes (2%), U-Boot (2%).

GitHub 20 15% required in 10% · 14 open now · since Apr 2026
Linux 15 11% required in 93% · 13 open now · since Apr 2026
Kubernetes 3 2% required in 67% · 2 open now · since Aug 2026
U-Boot 3 2% required in 67% · 1 open now · since Jun 2026
AWS 3 2% required in 33% · 2 open now · since Aug 2026
Amazon S3 3 2% required in 33% · 2 open now · since Aug 2026
CUDA Toolkit 3 2% required in 33% · 1 open now · since May 2026
AWS Lambda 2 2% required in 50% · 1 open now · since Aug 2026
Show all (17)
Amazon EC22
Amazon EKS2
GitHub Actions2
Debian1
Red Hat1
TGI1
vLLM1
Grafana1
RTOS1

What developer tools does SiFive use?

Formal Verification is named in 23% of job postings at SiFive, followed by Git (18%), FIRRTL (11%), Synopsys Verdi (6%).

Formal Verification 30 23% required in 40% · 27 open now · since May 2026
Git 24 18% required in 25% · 18 open now · since Apr 2026
FIRRTL 14 11% required in 100% · 8 open now · since Apr 2026
Synopsys Verdi 8 6% required in 100% · 8 open now · since Jun 2026
Cadence JasperGold 5 4% required in 100% · 4 open now · since Jun 2026
Synopsys PrimeTime 5 4% required in 100% · 5 open now · since Apr 2026
Synopsys SpyGlass 5 4% required in 100% · 5 open now · since Jul 2026
Synopsys VC Formal 5 4% required in 100% · 4 open now · since Jun 2026
Show all (28)
Cadence Xcelium4
Synopsys Fusion Compiler4
OpenOCD3
CMake3
Docker3
Jenkins3
LLVM3
JTAG Debuggers2
Model Context Protocol2
QEMU2
Synopsys Formality2
Synopsys StarRC2
Concourse2
Helm2
Terraform2
ONNX1
Rest API1
Synopsys IC Compiler II1
OpenMP1
TPU1

What AI and ML technologies does SiFive use?

LLM is named in 1% of job postings at SiFive.

LLM 1 1% required in 100% · since May 2026

Which engineering practices does SiFive ask for?

Machine Learning is named in 100% of job postings at SiFive, followed by CI/CD (5%), Platform Engineering (2%), RAG (2%).

Machine Learning 131 100% required in 100% · 110 open now · since Apr 2026
CI/CD 6 5% required in 83% · 5 open now · since Apr 2026
Platform Engineering 3 2% required in 100% · 1 open now · since May 2026
RAG 2 2% required in 100% · 1 open now · since Aug 2026
IAM 2 2% required in 50% · 1 open now · since Aug 2026
AI Agents 1 1% required in 100% · 1 open now · since Jul 2026
Edge AI 1 1% required in 100% · 1 open now · since Apr 2026
HPC 1 1% required in 100% · since Jul 2026
Show all (9)
eBPF1

What does each SiFive team work with?

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

Hardware

82 postings
SystemVerilog58
Verilog29
UVM26
Python20
Chisel18
VHDL18

DevOps

20 postings
Python11
Chisel8
Linux8
Scala8
MLIR4
Verilog4

Industrial Engineering

9 postings
Python3
Synopsys Fusion Compiler3
Synopsys PrimeTime3
Synopsys StarRC2

Backend

5 postings
Python3
C++2
Django2
Linux2

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How is the SiFive 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
Synopsys Fusion CompilerSep 2026
Synopsys StarRCSep 2026
Cadence XceliumSep 2026
DjangoAug 2026
DockerAug 2026
KubernetesAug 2026
AWSAug 2026
Amazon S3Aug 2026
Rising
Formal Verification12% → 28%
C++14% → 23%
GitHub9% → 18%
Synopsys Verdi0% → 9%
Synopsys SpyGlass0% → 6%
Perl5% → 10%
Cadence Xcelium0% → 5%
Synopsys Fusion Compiler0% → 5%
Falling
VHDL26% → 14%
FIRRTL16% → 8%
CI/CD7% → 3%

How modern is the SiFive stack?

Modern AI adopter 71/100

SiFive scores 71 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 SiFive stack in its industry?

Share of the 91 companies in the same industries, whose stack Alion knows, that use each technology.

SystemVerilog71%
Python86%
Chisel4%
Verilog68%
Scala4%
UVM59%
C++78%
VHDL37%
GitHub32%
Bluespec1%

What sets SiFive apart

Chisel4%
Scala4%
Bluespec1%
Haskell2%

Questions about the SiFive tech stack

What programming languages does SiFive use?

The languages named in SiFive job postings are SystemVerilog (52%), Python (38%), Chisel (32%), Verilog (31%), Scala (29%), as a share of the 131 postings of the last 12 months.

Does SiFive use UVM?

Yes. UVM is named in 36 of 131 job postings (27%) and required in 30 of them.

What cloud and platforms does SiFive use?

The cloud and platforms named in SiFive job postings are GitHub (20), Linux (15), Kubernetes (3) (postings in brackets).

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

Hardware postings at SiFive most often require SystemVerilog (58), Verilog (29), UVM (26), Python (20), out of 82 postings in the last 12 months.

Is the SiFive tech stack changing?

Yes. Synopsys Fusion Compiler, Synopsys StarRC, Cadence Xcelium, Django first appeared in SiFive job postings in the last six months.

How modern is the SiFive tech stack?

SiFive scores 71 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 SiFive tech stack?

Alion reads every job posting SiFive publishes and tags the technologies each one names. The figures on this page count the 131 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, "SiFive tech stack: 95 technologies from 131 job postings", as of Sep 27, 2026. https://alion.io/company/sifive/technologies

Licence: CC BY-SA 4.0JSON