Lightmatter Logo

Lightmatter

Staff Digital Design Engineer

Posted 10 Days Ago
Be an Early Applicant
In-Office
Boston, MA
176K-196K Annually
Senior level
In-Office
Boston, MA
176K-196K Annually
Senior level
Develop microarchitecture design and RTL for ML/AI accelerator ASICs, collaborate with teams, and manage RTL implementation for high-performance designs.
The summary above was generated by AI

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 Lightmatter!

If 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 light!

We 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 computers!

In 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 architecture!


Responsibilities

  • Develop 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.

Qualifications

  • 8 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)
  • Expertise with high-speed digital design techniques
  • Expertise with power-efficient digital design techniques
  • Experience in ASIC design with multiple successful tape outs

Preferred Qualifications

  • Experience in communication protocols (e.g. PCIe)
  • Experience interfacing with memory systems (e.g. HBM/DDR5)
  • Knowledge of processor design, accelerators, and/or memory hierarchies
  • Knowledge of machine learning algorithms

We 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.
$176,000$196,000 USD
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
  • Short Term & Long Term Disability
  • Training & Development
  • Commuter Benefits
  • Flexible, hybrid workplace model
  • Equity 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 Control

Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws. 

Top Skills

Asic
Ddr5
Hbm
High-Speed Digital Design
Machine Learning
Pcie
Power-Efficient Digital Design
Rtl
HQ

Lightmatter Boston, Massachusetts, USA Office

At Lightmatter, we have a flexible work structure; employees work remotely and work from our physical offices located in Boston, MA, and Mountain View, CA

Similar Jobs

55 Minutes Ago
Hybrid
Boston, MA, USA
134K-168K Annually
Senior level
134K-168K Annually
Senior level
Digital Media • Gaming • Information Technology • Software • Sports • Esports • Big Data Analytics
As a Senior Machine Learning Engineer, you will design and implement scalable data and ML pipelines, collaborate with data scientists, and maintain systems for fraud and payment risk management.
Top Skills: Ml OpsPythonSQL
5 Hours Ago
Hybrid
Boston, MA, USA
152K-228K Annually
Senior level
152K-228K Annually
Senior level
Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI
As a Senior Software Engineer, you will design and build scalable systems for SMS marketing, focusing on frontend development with a strong emphasis on React and Python technologies, while collaborating with product managers to enhance user experiences.
Top Skills: Amazon Web ServicesCSSDjangoHTMLJavaScriptMySQLProxysqlPythonRabbitMQReactRedisReduxTerraform
5 Hours Ago
Hybrid
Boston, MA, USA
108K-162K Annually
Senior level
108K-162K Annually
Senior level
Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI
The Principal Customer Experience Program Manager leads initiatives to enhance customer engagement and education through self-service and digital resources, driving adoption and retention across various platforms and departments.
Top Skills: AICustomer Experience SoftwareData Analysis SoftwareProject Management Tools

What you need to know about the Boston Tech Scene

Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.

Key Facts About Boston Tech

  • Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
  • Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
  • Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
  • Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account