Full-Time

GPGPU Performance Tooling Engineer

Posted on 10/31/2025

Rivos

Rivos

201-500 employees

Custom RISC-V server hardware for enterprises

No salary listed

Victoria, BC, Canada + 3 more

More locations: Cambridge, UK | Santa Clara, CA, USA | New York, NY, USA

Hybrid

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Category
Software Engineering (1)
Requirements
  • Experience with Perfetto profiling framework
  • Ability to write code in C or C++
  • Experience with Protobuf
  • Understanding of computer architecture
  • Strong problem-solving skills and ability to work in a fast-paced, collaborative environment.
  • Excellent skills in problem solving, written and verbal communication
  • Strong organization skills, and highly self-motivated.
  • Ability to work well in a team and be productive under aggressive schedules.
  • Bachelor’s, Master’s, or PhD in Computer Engineering, Software Engineering or Computer Science
Responsibilities
  • Develop and modify the Open Source Perfetto framework to enable software developers to improve performance of their code.
  • Work on underlying libraries and drivers to enable performance data collection.
  • Ensure performance monitoring overhead is minimized
  • Build tooling to facilitate measuring performance in different scenarios (on simulators, FPGAs, or real hardware)
  • Write unit tests and benchmark tools to validate the performance and correctness of your changes.
  • Stay current with advancements in the field.
Desired Qualifications
  • Experience with profiling and optimizing low-level performance (memory bandwidth, latency, throughput) on GPGPU architectures.
  • Familiarity with deep learning frameworks (TensorFlow, PyTorch, etc.).
  • Ability to write code in Rust
  • Coursework or experience with Machine Learning algorithms

Rivos designs and manufactures custom high-performance server hardware based on the RISC-V open ISA for data centers and enterprise IT. Its products are purpose-built to deliver strong compute performance, energy efficiency, and security for demanding workloads, through hardware tailored to specific tasks rather than off-the-shelf designs. The company differentiates itself by leveraging the flexibility and cost advantages of RISC-V to create bespoke servers that meet enterprise needs, offering close collaboration and support to ensure seamless integration in large-scale infrastructure. Its goal is to serve cloud providers, data centers, and other large IT operators with tailored, dependable server solutions that optimize performance and total cost of ownership.

Company Size

201-500

Company Stage

Series A

Total Funding

$250M

Headquarters

Santa Clara, California

Founded

2021

Simplify Jobs

Simplify's Take

What believers are saying

  • Meta's $2B acquisition in September 2025 validates RISC-V for AI chips.
  • Rivos raised $250M in April 2024 to scale AI inference GPUs.
  • Canonical partnership enables Ubuntu on Rivos RISC-V data centers.

What critics are saying

  • Meta redirects Rivos roadmap to internal AI by 2026, halting enterprise sales.
  • Nvidia's 20-30% H100 price cuts in 2025 lock in CUDA ecosystems.
  • RISC-V fragmentation demands proprietary optimizations, blocking portability.

What makes Rivos unique

  • Rivos builds high-performance RISC-V SoCs with proprietary GPGPU accelerators.
  • Rivos delivers CUDA-compatible software stacks for seamless AI transitions.
  • Rivos taped out 3.1 GHz RISC-V processor for data center efficiency.

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Benefits

Flexible Work Hours

Growth & Insights and Company News

Headcount

6 month growth

50%

1 year growth

53%

2 year growth

51%
Data Centre Dynamics Ltd
Oct 3rd, 2025
Meta acquires RISC-V chip startup Rivos – report

Terms of the deal have not been disclosed

FinancialContent
Sep 30th, 2025
Meta Acquires Rivos for AI Chips

Meta Platforms (NASDAQ: META) has acquired chip startup Rivos to enhance its AI capabilities and reduce reliance on external suppliers. This move, announced on September 30, 2025, aims to integrate Rivos's RISC-V-based processors and GPUs, accelerating Meta's custom AI chip development. The acquisition reflects a broader trend of tech giants pursuing vertical integration in AI hardware, potentially impacting companies like Nvidia. Rivos was previously seeking funding at a $2 billion valuation.

TS2.tech
Sep 30th, 2025
Meta Acquires Rivos for $2B AI Chips

Meta is acquiring chip startup Rivos Inc. for around $2 billion to enhance its AI hardware capabilities and reduce reliance on Nvidia GPUs. Rivos, known for its RISC-V–based AI GPU, raised $250 million in April 2024. This acquisition aligns with Meta's strategy to develop in-house AI chips by 2026, aiming to cut AI compute costs. The move is part of a broader trend among tech giants to control AI chip development, challenging Nvidia's market dominance.

BISinfotech
Aug 18th, 2025
Rivos Targets $500M Funding to Rival NVIDIA GPUs

U.S.-based semiconductor startup Rivos is aiming to raise between $400 million and $500 million to develop advanced graphics processing units (GPUs) designed to compete directly with NVIDIA in the fast-growing artificial intelligence (AI) chip market.

SiliconANGLE Media
Aug 15th, 2025
AI chip startup Rivos reportedly seeking up to $500M in funding

Santa Clara, California-based Rivos is reportedly developing a chip optimized for artificial intelligence inference.

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