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Ayar Labs Tech Stack

Optical interconnect silicon for AI infrastructure

Computer Hardware Manufacturing San Jose, California 51–200 employees Founded 2015 Privately Held

Ayar Labs builds optical I/O silicon to replace electrical interconnects in AI systems. The stack—dominated by hardware design tools (Cadence, Innovus, Verilog, MATLAB, silicon photonics simulation) paired with infrastructure software (Slurm, AWS X-Ray, SerDes)—reflects a company executing deep silicon and systems engineering. Active hiring skews heavily toward senior and principal engineers, with projects spanning chip design, test automation, and production validation, suggesting they're scaling from prototype toward volume manufacturing.

Tech Stack 66 technologies

Core StackPython Jira Make MATLAB Linux C++ AutoCAD C Git ARM SerDes AWS X-Ray Verilog JMP Windows Oscilloscope Verilog-A Slurm JESD204C BERT Ethernet PCIe Cadence Virtuoso KLayout Design Compiler Innovus CMOS Shapr3D Zemax Silicon Photonics+36 more
AdoptingSerDes

What Ayar Labs Is Building

Challenges

  • Removing bottlenecks created by electrical i/o
  • Removing bottlenecks limiting next-gen ai
  • Reducing test times
  • Improving yield
  • Enabling high volume production testing
  • Reducing test time and cost
  • Reducing dpm
  • Ensuring product meets component and system-level requirements
  • Scaling ai compute hardware
  • Volume manufacturing test flow optimization

Active Projects

  • Dft feature implementation
  • New product introduction
  • Validation strategy development
  • Implement cutting-edge optoelectronic test hardware
  • Optical i/o product roadmap
  • Phi roadmap development
  • Development of subsystems in an electro-optical soc
  • Bring-up and debug of custom silicon
  • Build data infrastructure for layout analysis and automated checking
  • Photonic chip design and layout tool development

Hiring Activity

Decelerating60 roles · 15 in 30d

Department

Engineering
47
Product
5
Executive
3
Research
2
HR
1
Quality
1

Seniority

Senior
16
Intern
15
Principal
10
Staff
10
Mid
4
Junior
2
Director
1
Manager
1

Notable leadership hires: Quality Director

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About Ayar Labs

Ayar Labs develops optical interconnect solutions for AI infrastructure, targeting the data-movement bottleneck that traditional electrical I/O creates at scale. Founded in 2015 and based in San Jose, the company employs 51–200 people and is structured as an engineering-led organization, with 47 of 62 active roles in engineering. Their product roadmap spans multiple subsystems: optical I/O silicon (the core), test and validation hardware, design and layout tooling, and manufacturing test flows. Customers are AI hardware manufacturers and cloud infrastructure operators facing latency, power, and cost constraints in multi-GPU or accelerator systems.

HeadquartersSan Jose, California
Company Size51–200 employees
Founded2015
Hiring MarketsUnited States

Frequently Asked Questions

What is Ayar Labs working on?

Optical I/O product development, chip bring-up and debug, electro-optical SoC subsystems, photonic design tooling, DFT implementation, and production test flow optimization for volume manufacturing.

What tech stack does Ayar Labs use?

Hardware design (Cadence Virtuoso, Innovus, Verilog, MATLAB), silicon photonics simulation (Zemax), SerDes architecture, PCIe/Ethernet standards, Slurm workload management, and cloud infrastructure (AWS X-Ray).

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