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Member of Technical Staff - Audio - Language Model Data

Liquid AI is a foundation model company building general-purpose AI systems, including Liquid Engine and Liquid Foundation Models (LFMs).

Responsibilities:

  • Create and maintain data cleaning, filtering, selection pipeline that can handle audio-text data.

  • Watch out for the release of public high quality audio (ASR and SFT) datasets.

  • Create and maintain synthetic data generation pipeline to create task-specific audio SFT data.

  • Work with the multimodal audio team to run ablations on new dataset.

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Member of Technical Staff - Edge AI Inference Engineer

Liquid AI is a foundation model company building general-purpose AI systems, including Liquid Engine and Liquid Foundation Models (LFMs).

Responsibilities:

  • Strong ML Experience: Proficiency in Python and PyTorch to effectively interface with the ML team at a deeply technical level.

  • Hardware Awareness: Must understand modern hardware architecture, including cache hierarchies and memory access patterns, and their impact on performance.

  • Optimization of Low-Level Primitives: Responsible for optimizing core primitives to ensure efficient model execution.

  • Self-Guided and Ownership: Ability to independently take a PyTorch model and inference requirements and deliver a fully optimized edge inference stack with minimal guidance

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Senior Story Programmer

On3 is an AI-powered mobile training app that empowers frontline teams to capture, create, and share real-world knowledge, transforming it into real-time, on-the-job training.

Benefits:

  • Company paid medical healthcare (dental vision & mental)

  • Paid Leave — 20 days of holiday for every team member per year (26 days after two years)

  • 401K with employer matching

  • Gym Membership Reimbursement

  • Flexible working hours

Experience Requirements:

  • At least 7 years of professional experience as a programmer within the games industry.

Responsibilities:

  • Work closely with quest and cinematic designers to understand their needs and ensure the tools meet the creative and technical goals.

  • Build and maintain story related plugins.

  • Ensure tools run efficiently without sacrificing performance, maintaining smooth workflows for the design team.

  • Write high-quality code that is optimised, bug-free, and aligned with project goals.

  • Foster cross-functional collaboration to ensure the tools contribute effectively to all game systems and components.

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Sr. Software Engineer

Keystone is a global technology and advisory firm helping clients navigate the digital age’s biggest challenges with the power of AI. They offer CoreAI solutions, economic advisory, and technology services.

Education Requirements:

  • Bachelor’s degree in Computer Science, Engineering, Mathematics, Statistics, or related technical field; Master’s or PhD is a plus

Experience Requirements:

  • 4-6 years of relevant professional experience in Machine Learning, NLP, or software development focused on AI systems

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Technologist – Source Code Review Specialist

Keystone is a global technology and advisory firm helping clients navigate the digital age’s biggest challenges with the power of AI. They offer CoreAI solutions, economic advisory, and technology services.

Education Requirements:

  • Bachelor’s degree in Computer Science, Electrical Engineering, or Materials Science; Master’s is a plus

Experience Requirements:

  • 3-5 years of experience working as a hardware consultant, circuit design engineer, or electrical/software engineer

Responsibilities:

  • Analyze hardware and software systems and present summary findings to clients

  • Assess the originality, similarity, and differences between multiple hardware and software systems

  • Reverse engineer software applications and review semiconductor teardown reports to analyze key features and functionalities

  • Evaluate the complexity and value of software and hardware developed

  • Draft documents describing the functionality and behavior of hardware and software systems against legal claims

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Engagement Manager

Keystone is a global technology and advisory firm helping clients navigate the digital age’s biggest challenges with the power of AI. They offer CoreAI solutions, economic advisory, and technology services.

productonsiteBoston
$235,000 - $245,000
full-time

Education Requirements:

  • MBA

  • JD

  • or PhD in Economics, Computer Science, or other Science fields

Experience Requirements:

  • 5+ years of relevant experience following graduate school, preferably in the consulting industry

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Consultant

Keystone is a global technology and advisory firm helping clients navigate the digital age’s biggest challenges with the power of AI. They offer CoreAI solutions, economic advisory, and technology services.

Education Requirements:

  • Degree in Economics, Computer Science, Statistics, Business Management, or other related field

Experience Requirements:

  • Relevant professional and academic experience

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People & Culture

AI-powered weather intelligence platform with proprietary space data and API for accurate predictions and risk mitigation.

Benefits:

  • Competitive compensation and benefits

  • Flexible working hours

  • Flexible vacation policy

  • Growth opportunities

  • Focus on execution, not numbers of hours

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Business Development

AI-powered weather intelligence platform with proprietary space data and API for accurate predictions and risk mitigation.

Benefits:

  • Competitive compensation and benefits

  • Flexible working hours

  • Flexible vacation policy

  • Growth opportunities

  • Focus on execution, not numbers of hours

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Director, Design Verification

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:

  • 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

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HW Systems 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:

  • Master’s in Electrical/Computer Engineering with a minimum of 7 years of industry experience

Experience Requirements:

  • Expertise with modeling advanced systems in SystemVerilog

  • Expertise in Scripting - Python

  • Strong knowledge of optical link design architectures

  • Familiarity with ASIC design flows and FinFET technologies

Responsibilities:

  • In depth analysis of PHY and optical link performance

  • Close collaboration with various teams to develop tuning and calibration algorithms for photonics and analog logic

  • Hands on post-silicon performance analysis and debug

  • Creation of post-silicon test cases and planning

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Laser Architect (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:

  • A Ph.D. degree in Photonics, Electrical Engineering, Applied Physics, or similar discipline with at least 5 years of post-degree relevant experience, or equivalent experience

Experience Requirements:

  • Minimum 12 years of experience in photonic devices, photonic integrated circuits, and semiconductor physics

  • Strong understanding of laser physics and silicon photonics

  • Experience working with cross-functional teams to collaboratively define and deliver to product specifications

Responsibilities:

  • Work with a cross-functional team to design and deliver a successful high-volume laser product

  • Deliver laser module architecture specifications and work closely with hardware and software teams to define functionality, interfaces, and documentation

  • Engage in problem-solving to develop innovative high-performance laser solutions

  • Actively collaborate across disciplines—with electronics, photonics, mechanical, and thermal engineering teams—to design systems, control algorithms, PICs, and PMICs that meet stability, performance, power, and production requirements

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Photonics Design Engineer (Laser)

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:

  • PhD in EECS, Physics, Photonics, or related discipline with 3 years experience

Experience Requirements:

  • Experience in silicon photonics device design, layout, and testing, ideally in a product development environment

  • Demonstrated track record of designing integrated silicon photonics components using Lumerical, Tidy3D, or equivalent

  • Knowledge of photonic device physics and laser physics

  • Proficiency in modeling and data analysis in Python

Responsibilities:

  • Design and optimize silicon photonic devices for laser systems, including couplers, muxes, rings, switches, and other active and passive components.

  • Layout device test structures as well as complex integrated photonic systems.

  • Work with the laser test team to develop and execute test plans for device validation, analyzing results to assess performance and troubleshoot issues.

  • Work closely with packaging and systems engineering teams to address integration challenges, ensuring high alignment between device and system requirements

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Principal Photonics Design Engineer

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:

  • 12 years of related experience with a Master’s degree; or 8 years with a PhD

Experience Requirements:

  • Demonstrated track record of design integrated silicon photonics components using Lumerical, Tidy3D or equivalent

  • Experience with code based GDS creation such as GDS Factory or similar

  • Experience with large scale layout, testing and characterization of photonic devices

  • Experience with PDK and Cadence environments a plus

Responsibilities:

  • Design high-performance photonics devices suitable for high-volume manufacturing

  • Analyze characterization data to drive improvements on photonics devices and ensure the device/system meets the specifications

  • Design of Active and Passive devices including modulators, photodiodes and tunable filters

  • Engage in problem solving and contributing with novel architectural ideas

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Sr. Design for Test (DFT) Engineer (Boston and Bay Area)

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:

  • Bachelor's degree in Electrical Engineering (or other related fields)

Experience Requirements:

  • Minimum of 13 years of industry experience working as a Design For Test Engineer on ASIC designs

  • Must have completed at least 2 tapeouts

  • Minimum of 2 years of experience with standard DFT CAD tools and flows

  • Strong hands-on experience in Python, TCL or other scripting environments

Responsibilities:

  • Perform Design For Test (DFT) insertion on ASIC designs, including internal scan, boundary scan, and memory BIST

  • Perform automatic and targeted test pattern generation

  • Interface with Physical Design and Front End (RTL) Design

  • Perform post-silicon DFT bring-up and test program debug

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Sr Photonics Design Engineer

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:

  • PhD in EECS, Physics, or related discipline with 3 years of experience

Experience Requirements:

  • Must have knowledge of photonic device physics

  • Demonstrated track record of design integrated silicon photonics components using Lumerical, Tidy3D or equivalent

  • Experience with code based GDS creation such as GDS Factory or similar

  • Experience with large scale layout, testing and characterization of photonic devices

Responsibilities:

  • Design high-performance photonics devices suitable for high-volume manufacturing

  • Actively collaborate across disciplines—with analog, digital, and physical design teams—to layout photonic devices for key test and product tape outs

  • Work with the photonics test team in defining requirements for device characterization, debug and validation

  • Analyze characterization data to ensure the device/system meets the specifications

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Sr. Photonics Test/Characterization Engineer (Boston)

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

engineeringonsiteBoston, US
170,000 USD - 200,000 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:

  • 6 years with a Masters or 3 PhD in Photonics, Physics, Electrical Engineering, or a related field

Experience Requirements:

  • Must have strong experience in electro-optic testing of silicon photonics components

  • Demonstrate solid problem-solving skills in problems that do not have obvious solutions

  • Expert in developing and implementing automated testing and system interfaces using Python scripting

  • Demonstrate extensive knowledge of silicon photonics devices

Responsibilities:

  • Participate in electro-optic testing of photonics chips/devices, leveraging hands-on laboratory experience and working with various optical instruments.

  • Conduct tests and characterization of silicon photonics components, including micro-rings, optical phase shifters, and Mach-Zehnder interferometers.

  • Operate a range of optical equipment such as lasers, electro-optic modulators, semiconductor optical amplifiers, PIN receivers, optical spectrum analyzers, optical vector analyzers, and optical filters.

  • Utilize semiconductor test equipment, including vector network analyzers, spectrum analyzers, source-meter units, arbitrary waveform generators, and high-speed oscilloscopes

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Sr. Staff Analog IC 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 8+ years of relevant experience, OR Ph.D. with 5+ years of experience

Experience Requirements:

  • 3+ years of experience in the Semiconductor industry experience in Analog/Mixed-signal IC design

  • Solid fundamentals of CMOS device characteristics, noise, mismatch, linearity, and design trade-offs

  • Experience designing complex blocks such as data converters, control-loop circuits used in power-delivery, high-speed interface circuits

Responsibilities:

  • Participate in the architecture development with our chip architects by leading feasibility studies

  • Collaborate with other design engineering teams (system, packaging, digital, photonics) to translate system-level requirements into electrical design specifications

  • Lead the analog design and top-level integration of integrated circuits development

  • Design complex analog and mixed-signal circuits

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Senior Software Engineer (.NET, Angular)

AI-powered FP&A software for fast financial planning and analysis. Integrates with QuickBooks & Xero.

Benefits:

  • Base salary $100,000 - $125,000

  • 100% company-paid premiums for health (Blue Cross Blue Shield)

  • Unlimited PTO policy

  • Unlimited opportunity for learning and company impact

Experience Requirements:

  • 5-7+ years of full stack software development experience with .NET, C#, Angular, and SQL

Other Requirements:

  • Ambitious, with a growth mindset, and can lead projects with a high level of autonomy

  • Experience in a small agile environment with shifting responsibilities

  • Entrepreneurial spirit that thrives in a fast-paced and growth-oriented company

  • Experience building cloud-based SaaS products is a plus

  • Experience working with fintech APIs (QuickBooks, Xero, Sage Intacct, Stripe, Plaid, etc.) is a major plus

  • Basic knowledge of finance/accounting concepts (or industry experience) is a major plus

  • Familiarity with machine learning and statistical concepts is a plus

Responsibilities:

  • Participate in technical planning & requirements gathering phases, including designing, developing, testing, troubleshooting, and documenting new features and enhancements

  • Continually improve the user experience

  • Collaborate with other teams and stakeholders around key strategic projects

  • Experiment with new technologies and approaches to solving our biggest problems

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