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Lightmatter

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About

Lightmatter develops photonic chips for AI, addressing the physical limitations of transistors. Their Passage™ platform connects millions of chips with high bandwidth and low latency, enabling AGI development. They partner with companies building high-performance chips (GPUs, switches) and offer various products like Passage™, Envise™, and Idiom®. The company is rapidly expanding and has open positions across several engineering disciplines, including analog design, photonics engineering, system design, and testing.

Platform
Web
Keywords
aiprocessorsdata bottlenecksphotonic enginedata center infrastructure
Task
ai acceleration

Features

unparalleled efficiency and scalability for advanced ai and high-performance computing workloads

eliminates critical data bottlenecks

connects thousands to millions of processors at the speed of light

3d-stacked silicon photonics engine

Job Opportunities

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Lightmatter

Director, Design Verification

Lightmatter creates photonic chips that enable the building of AGI by connecting millions of processors at the speed of light.

engineeringhybridBoston, USMountain View, US
240,000 USD - 300,000 USD
full-time

Benefits:

  • Comprehensive Health Care Plan (Medical, Dental & Vision)

  • Retirement Savings Matching Program

  • Life Insurance (Basic, Voluntary & AD&D)

  • Generous Time Off (Vacation, Sick & Public Holidays)

  • Paid Family Leave

Education Requirements:

  • Master's degree in EE, CS, or CE or equivalent

Experience Requirements:

  • 15+ years of experience in semiconductor technologies and participation in multiple tapeouts with 1st pass silicon success

  • expertise in verification methodologies, including simulation, formal verification, and FPGA emulation

  • Proficient in HDL (Verilog. VHDL) languages

  • Proficient with scripting languages, preferably Python

  • Experience working with the development of Real Number Models (RNM) for photonics & analog circuits

Responsibilities:

  • Own the design verification details including the DV plan & execution for chip projects

  • Drive state-of-the-are DV methodology & flow for optical interconnect products

  • Work with architecture, hardware, software, systems, and program management teams to deliver state-of-the-art silicon products

  • Organize and expertly drive planning, scheduling, and day-to-day execution to support the design design team

  • Collaborate with leads and engineering teams in effectively estimating and prioritizing tasks to maintain high design quality on a realistic delivery schedule

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High Speed Analog Design Engineer (Boston and Mountain View)

Lightmatter creates photonic chips that enable the building of AGI by connecting millions of processors at the speed of light.

Benefits:

  • Comprehensive Health Care Plan (Medical, Dental & Vision)

  • Retirement Savings Matching Program

  • Life Insurance (Basic, Voluntary & AD&D)

  • Generous Time Off (Vacation, Sick & Public Holidays)

  • Paid Family Leave

Education Requirements:

  • MS with 3+ years of industry experience, OR Ph.D. with 5+ years of industry experience with a focus on optical or wireline transceiver design

Experience Requirements:

  • Experience designing Analog-Front-End blocks such as trans-impedance amplifiers (TIA) and Tx Driver

  • Experience with Tx/Rx equalization techniques and circuits

  • Experience with testing and validating high-speed analog/mixed-signal circuits

  • Familiarity with SERDES architectures, and implementations

Responsibilities:

  • Support micro-architecture development with chip architects by conducting feasibility studies

  • Collaborate with members of our design engineering teams (system, digital, analog, photonics) to define electrical requirements

  • Design analog/mixed-signal blocks with a focus on transceivers (TIA, TX Driver) and broadband circuits interfacing with silicon photonics elements

  • Document design simulations and verifications towards formal design reviews

Show more details

High Speed Analog Design Engineer (Toronto)

Lightmatter creates photonic chips that enable the building of AGI by connecting millions of processors at the speed of light.

Benefits:

  • Comprehensive Health Care Plan (Medical, Dental & Vision)

  • Retirement Savings Matching Program

  • Life Insurance (Basic, Voluntary & AD&D)

  • Generous Time Off (Vacation, Sick & Public Holidays)

  • Paid Family Leave

Education Requirements:

  • MS with 3+ years of industry experience, OR Ph.D. with 5+ years of industry experience with a focus on optical or wireline transceiver design

Experience Requirements:

  • Experience designing Analog-Front-End blocks such as trans-impedance amplifiers (TIA) and Tx Driver

  • Experience with Tx/Rx equalization techniques and circuits

  • Experience with testing and validating high-speed analog/mixed-signal circuits

  • Familiarity with SERDES architectures, and implementations

Responsibilities:

  • Support micro-architecture development with chip architects by conducting feasibility studies

  • Collaborate with members of our design engineering teams (system, digital, analog, photonics) to define electrical requirements

  • Design analog/mixed-signal blocks with a focus on transceivers (TIA, TX Driver) and broadband circuits interfacing with silicon photonics elements

  • Document design simulations and verifications towards formal design reviews

Show more details

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