Staff Digital Design Engineer

2 weeks ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at LightmatterIf you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.Lightmatter is (re)inventing the future of computing with lightWe are hiring a Digital Design Engineer to help develop an ASIC for the next-generation artificial intelligence computing architecture alongside a team of world-class scientists and engineers. If your passion is innovation, solving challenging technical problems, and doing impactful work, you should join our team and help build the world's first optical computersIn this job, you will work in close collaboration with computer architects, software engineers, verification engineers, and physical design engineers to design innovative compute accelerators that work with photonic technology to power the growing AI/ML workloads that customers want while keeping power low. This will be a great opportunity to define the next advance in computer architectureResponsibilitiesDevelop microarchitecture design and RTL for advanced ML/AI accelerator ASICs/SoCs including advanced memory system and high-performance NoC.Understand and integrate silicon photonic communication and compute technology into digital accelerator design.Actively work with Architecture, Design Verification, Implementation, Photonic, Analog and Software teams to realize high performance, low power designs in advanced technology nodes.Create design specifications and documentation to facilitate collaboration with partner teams.Manage RTL implementation to achieve functionally correct, performant designs within project schedules by identifying, communicating and mitigating risks.Qualifications8 years of related experience with a Bachelor’s degree; or 6 years and a Master’s degree in Electrical or Computer Engineering (or related fields)Experience in ASIC design with multiple successful tape outsExpertise with high-speed digital design techniquesExpertise with power-efficient digital design techniquesPreferred QualificationsExperience in communication protocols (e.g. PCIe)Experience interfacing with memory systems (e.g. HBM/DDR5)Knowledge of processor design, accelerators, and/or memory hierarchiesKnowledge of machine learning algorithmsWe offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.: $145,000 CAD - $173,000 CADBenefitsComprehensive Health Care Plan (Medical, Dental & Vision)Retirement Savings Matching ProgramLife Insurance (Basic, Voluntary & AD&D)Generous Time Off (Vacation, Sick & Public Holidays)Paid Family LeaveShort Term & Long Term DisabilityTraining & DevelopmentCommuter BenefitsFlexible, hybrid workplace modelEquity grants (applicable to full-time employees)Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.Export ControlCandidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesComputer Hardware ManufacturingReferrals increase your chances of interviewing at Lightmatter by 2xSign in to set job alerts for “Digital Design Engineer” roles.Internship, Mechanical Design Engineer, Cell Engineering (Fall 2025)Richmond Hill, Ontario, Canada 2 months agoRobotics Mechanical Engineer | Humanoid Joint Design | AI Robotics Start-Up (Toronto) | $150k–$170kToronto, Ontario, Canada $90,000.00-$120,000.00 2 weeks agoBrampton, Ontario, Canada $90,000.00-$120,000.00 2 weeks agoToronto, Ontario, Canada $135.00-$150.00 3 weeks agoDesign Engineering Manager, Kiewit Infrastructure EngineerDesign Engineering Manager, Kiewit Infrastructure EngineerToronto, Ontario, Canada CA$160,000.00-CA$170,000.00 3 weeks agoApplication Specific Integrated Circuit Design EngineerMarkham, Ontario, Canada $124,000.00-$186,000.00 6 days agoWe’re unlocking community knowledge in a new way. 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