SiFive tech stack
SiFive builds mostly with SystemVerilog, Python, Chisel, Verilog. Its stack also includes UVM, GitHub, Linux, MLIR. SystemVerilog is named in 81 of the 156 job postings SiFive published in the last 12 months (52%). Counted by Alion from the job postings of SiFive, updated Nov 11, 2026.
What programming languages does SiFive use?
SystemVerilog is named in 52% of job postings at SiFive, followed by Python (39%), Chisel (29%), Verilog (28%).
SystemVerilog
81 52%
Python
61 39%
Chisel
46 29%
Verilog
43 28%
Scala
40 26%
VHDL
27 17%
C++
27 17%
Bluespec
18 12%
Show all (21)
What frameworks and libraries does SiFive use?
UVM is named in 31% of job postings at SiFive, followed by MLIR (5%), PyTorch (3%), Django (2%).
Show all (20)
What databases does SiFive use?
PostgreSQL is named in 1% of job postings at SiFive, followed by ElasticSearch (1%), Redis (1%).
What cloud and platforms does SiFive use?
GitHub is named in 13% of job postings at SiFive, followed by Linux (10%), Kubernetes (2%), U-Boot (2%).
GitHub
21 13%
Kubernetes
3 2%
U-Boot
3 2%
AWS
3 2%
AWS Lambda
2 1%
Amazon EC2
2 1%
Show all (19)
What developer tools does SiFive use?
Formal Verification is named in 22% of job postings at SiFive, followed by Git (18%), FIRRTL (10%), Synopsys Verdi (6%).
Git
28 18%
Synopsys Verdi
10 6%
Cadence JasperGold
8 5%
Synopsys PrimeTime
8 5%
Synopsys VC Formal
8 5%
Show all (29)
Which engineering practices does SiFive ask for?
Machine Learning is named in 100% of job postings at SiFive, followed by Verification & Validation (5%), CI/CD (5%), AI Agents (1%).
CI/CD
8 5%
AI Agents
2 1%
RAG
2 1%
HPC
1 1%
Show all (15)
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
104 postingsDevOps
15 postingsIndustrial Engineering
15 postingsBackend
4 postingsHow does your stack fit SiFive?
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.
How modern is the SiFive 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 common is the SiFive stack in its industry?
Share of the 270 companies in the same industries, whose stack Alion knows, that use each technology.
What sets SiFive apart
Companies with a stack like SiFive
Questions about the SiFive tech stack
What programming languages does SiFive use?
The languages named in SiFive job postings are SystemVerilog (52%), Python (39%), Chisel (29%), Verilog (28%), Scala (26%), as a share of the 156 postings of the last 12 months.
Does SiFive use UVM?
Yes. UVM is named in 49 of 156 job postings (31%) and required in 41 of them.
What cloud and platforms does SiFive use?
The cloud and platforms named in SiFive job postings are GitHub (21), 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 (71), UVM (35), Verilog (34), Python (26), out of 104 postings in the last 12 months.
Is the SiFive tech stack changing?
Yes. Synopsys Fusion Compiler, Synopsys StarRC, Cadence Xcelium, SQL 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 156 postings of the last 12 months and were updated on Nov 11, 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: 108 technologies from 156 job postings", as of Nov 11, 2026. https://alion.io/company/sifive/technologies