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Senior RTL Design Engineer for AI Hardware Accelerators

river ai • United States
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AI Summary

Lead the design and implementation of high-performance custom silicon for AI accelerators and SoC components at River AI. Architect micro-architectures, optimize RTL in SystemVerilog, and collaborate across teams to ensure functionality, performance, and power efficiency. Requires 5+ years of experience in advanced process nodes (7nm or below) and expertise in RTL, synthesis, and physical design tools.

Key Highlights
Architect and implement custom silicon for AI hardware accelerators and SoC components on advanced foundry nodes (7nm or below)
Own large parts of the chip design, ensuring functionality, performance, and power efficiency (PPA)
Collaborate with compiler, performance modeling, verification, and physical design teams to deliver scalable, high-performance silicon

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Key Responsibilities
Create high-level architectural specifications and detailed micro-architectural designs for AI hardware subsystems
Design and implement complex RTL logic in SystemVerilog, focusing on pipelines, throughput vs. latency tradeoffs, and power-efficient data paths
Collaborate with backend teams on synthesis, floorplanning, power analysis, and static timing analysis (STA) to resolve timing violations
Work with compiler, performance modeling, and software teams to identify and resolve bottlenecks in micro-architecture, ISA, kernels, and full-system performance
Technical Skills Required
SystemVerilog Computer Architecture (AI Accelerators/SoCs/CPUs/GPUs) RTL Design and Synthesis

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Benefits & Perks
Generous health, dental, and vision benefits
Unlimited paid time off (PTO)
Relocation support as needed

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Nice to Have
Post-silicon bug fixing and low-level debugging (GPIO/I2C/SPI/UART)
C/C++/Python and ISA assembly for performance model and kernel debugging
Experience with high-speed IO devices (PCIe, UCIe, HBM/DDR memory controllers)
Knowledge of NoC-level communications (AXI, CHI, credit/valid/ready protocols)

Job Description

At River AI, our mission is to create personal AI owned and shaped by each individual. To achieve this, we are rewriting the entire stack from scratch: personal hardware for local inference, custom training infrastructure, next-generation UIs, and frontier deep learning research.

Who we are

We are scientists, engineers, and builders from the industry's top tech companies and AI labs. We bring a proven track record of scaling consumer systems for hundreds of millions of users and architecting the pre-training infrastructure behind today's frontier models.

About The Role

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Job Overview
Posted Sep 29, 2026
Employment Full-time
Experience Not Applicable
Location United States
Category Programming
Company river ai
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