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Lumilens

Photonic interconnects for AI infrastructure

Senior/Staff Product Engineer - Optical Transceiver

Manufacturing EngineeringConfirmed live in the last 24 hours
Full-timeSingaporeNo salary listedIn-person

About the Job

Requirements

  • A bachelor's degree in Electrical Engineering, Industrial Engineering, or a related field, plus at least seven years of experience in high-volume optical transceiver manufacturing.
  • Excellent problem-solving and analytical skills.
  • Direct experience with optical transceiver manufacturing and engineering, including 800G and 1.6T products.
  • Experience supporting new product introduction and product or manufacturing transfers, including process and yield qualification at contract manufacturing sites.
  • Strong technical depth in manufacturing bills of materials, yield analysis, root cause problem solving, and process implementation for optical products.
  • Experience with ongoing reliability testing and quality control best practices.
  • Expertise in data analysis, statistical process control, and report generation.
  • In-depth understanding of the quality management system and quality standard requirements.
  • Strong hands-on skills in debugging, failure analysis, and root cause corrective action for optical transceiver products.
  • Expertise in optics failure analysis processes and tools.
  • Ability to work well in a geographically diverse cross-functional team.
  • Good command of spoken and written English, including in-person and virtual presentation skills.
  • International travel is required.

Responsibilities

  • Support new product introduction and product transfer, including qualification and ramp of products at new or additional contract manufacturing sites, ensuring processes, documentation, and yields are validated before mass production release.
  • Own manufacturing execution end to end, ensuring changes to products, processes, and materials are under change control and follow established quality management system requirements.
  • Own product yield, quality, and reliability, and serve as the lead contact for delivering products to customers.
  • Ensure the accuracy of the manufacturing bill of materials and drive product quality, operational productivity, product cost, and total manufacturing cost.
  • Analyze, define, develop, and execute continuous improvement plans to achieve yield, cycle time, throughput, and scrap reduction targets.
  • Track manufacturing test results and ensure compliance with specifications.
  • Lead debugging and failure analysis of yield excursions, test failures, and field or customer returns; drive root cause investigation and corrective and preventive actions with design, quality, and failure analysis teams.
  • Own product documentation and specifications.
  • Collaborate with the quality team to plan and execute qualification testing.
  • Collaborate with the design team and process engineering to ensure design for manufacturing guidelines are met.
  • Prepare product and process reports by collecting, analyzing, and summarizing information and trends.

Desired Qualifications

  • Experience with transceiver products and optical assembly processes such as wire bonding, die bonding, active optical alignment, product testing, and burn-in is strongly preferred.

About the Company

Lumilens

Photonic interconnects for AI infrastructure

Lumilens designs and manufactures optical interconnect products to accelerate AI infrastructure. It provides high-density photonic interconnects—such as high-density pluggable, near-packaged, and co-packaged optics—built with in-house silicon photonics to scale GPU clusters in AI data centers. Its products include 800G and 1.6T optical transceivers for AI networking, and it is pursuing broader integration like Electrical-Optical Interposers through a strategic partnership with POET Technologies. The company differentiates itself through vertical integration, custom robotics-driven manufacturing, and AI-optimized production processes that aim to improve yield and supply chain stability. Lumilens targets hyperscalers and large AI providers, seeking to move interconnect bottlenecks from compute to scalable, efficient data-center networks. Its goal is to enable faster, denser GPU connectivity to support growing AI workloads and models.

Company size
51-200
Company stage
Series C
Total funding
$839.5M
Headquarters
San Jose, CA
Founded
2024

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