1,915,132open jobs
112,493companies
248,355added this week
Browse all
Salary
≈ $18k – $44k per year (Estimated)
Location
In office (Bengaluru)
Seniority
Senior · 10+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Jun 17, 2026. Lumilens scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Lumilens is a photonics startup that designs and manufactures optical interconnects and transceivers that link servers in large AI data center GPU clusters, headquartered in San Jose, California. Led by chief executive and co-founder Ankur Singla with a team drawn from Cisco, Juniper, Meta, Lumentum and Coherent, it launched publicly in 2026 backed by Mayfield, reporting more than 900 million dollars in funding and a 5.5 billion dollar valuation. Its openings are mostly for optical design, test and manufacturing engineers, signal and power integrity engineers, quality and failure analysis engineers and manufacturing site supervisors, including roles in Thailand.

Senior Embedded Firmware Engineer

About Lumilens

At Lumilens, we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing-faster, cooler, and massively more efficient. Join our collaborative team to help shape the future of high-speed optical connectivity.

Position Overview

We are seeking a mid-senior level Embedded Firmware Engineer with 10-12 years of experience in networking and semiconductor domains, ideally with an optical background. The successful candidate will have hands-on development and design experience on 32-bit microcontrollers, preferably with ARM-based architectures, and will contribute to the creation and delivery of advanced embedded solutions.

Responsibilities

  • Independently drive firmware design, development, and feature delivery for high-performance networking and optical semiconductor products

  • Develop and maintain device drivers, real-time operating systems (RTOS) integration, and communication protocol implementations

  • Design, code, test, and debug embedded firmware primarily in C for ARM-based controllers

  • Collaborate closely with cross-functional teams including hardware, DSP, and software engineers

  • Manage, configure, and optimize build environments and makefiles

  • Contribute to design reviews, feature definition, and product delivery schedules

Required Qualifications

  • Bachelor’s or Master’s degree in Electronics, Computer Engineering, or related field

  • 10-12 years of experience developing embedded firmware on 32-bit microcontrollers, preferably ARM architecture

  • Strong knowledge of C programming, RTOS, device driver development, and communication protocols (e.g., SPI, I2C, UART, Ethernet)

  • Experience in networking and semiconductor industries, ideally with exposure to optical technologies

  • Solid understanding of DSP concepts and implementations

  • Good knowledge of build environments and makefile management

  • Demonstrated ability to independently manage tasks, drive designs, and deliver features

  • Strong analytical, organizational, and communication skills

Why Join Lumilens?

  • Work at the forefront of AI, networking, and optical semiconductor technology

  • Collaborative and innovative environment

  • Opportunities for career growth

  • Competitive salary and comprehensive benefits package

Lumilens is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or any other protected characteristic.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,915,132 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Hardware
Similar stack
Same company
Bengaluru
≈ $24k – $55k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • Bachelor's Degree • Bengaluru • Hyderabad
Python
Perl
Chips/EDA
Tessent
Synopsys TestMAX
Apply
≈ $26k – $54k per year (Estimated) • In office • 10+ years exp • Hyderabad
Verilog
SystemVerilog
VHDL
Chips/EDA
Xilinx Vivado
Apply
≈ $18k – $45k per year (Estimated) • In office • Hyderabad
Chips/EDA
Cadence Innovus
Cadence Voltus
Cadence Genus
Cadence Tempus
Cadence Conformal
Cadence Quantus
Apply
≈ $18k – $42k per year (Estimated) • In office • Contractor • 4+ years exp • Master's Degree • Bengaluru
Analytics
Microsoft Excel
Management
Oracle ERP
Apply
SOC Engineer 2 1 day ago
≈ $17k – $39k per year (Estimated) • In office • Full-Time • Bengaluru
Cybersecurity
SOC 2
SIEM
Apply
≈ $9.5k – $28k per year (Estimated) • In office • Full-Time • 8+ years exp • Bachelor's Degree • Noida
AI/ML
Edge AI
Machine Learning
DevOps
RTOS
Linux
IoT
FreeRTOS
Apply
Sr. Program Manager 7 days ago
$120k – $181k per year • Equity • In office • 8+ years exp • Rochester
Verilog
VHDL
DevOps
RTOS
Linux
Windows
Energy
Battery Management Systems
Apply
≈ $19k – $43k per year (Estimated) • Hybrid • 3+ years exp • Moscow
C
C
U-Boot
DevOps
RTOS
Linux
Apply
≈ $39k – $91k per year (Estimated) • Hybrid • Contractor • Kraków • Katowice
C++
DevOps
RTOS
CI/CD
Git
Linux
Apply
In office • Full-Time • Linköping
Python
C++
Ada
Structured Text
DevOps
RTOS
CI/CD
Git
Docker
Linux
Apply
≈ $19k – $48k per year (Estimated) • In office • Full-Time • 5+ years exp • Master's Degree • Bengaluru
Chips/EDA
Cadence Virtuoso
Apply
≈ $39k – $74k per year (Estimated) • In office • Full-Time • 15+ years exp • Bachelor's Degree • Bengaluru
Apply
≈ $27k – $61k per year (Estimated) • In office • Full-Time • 8+ years exp • Bengaluru
C++
SystemC
Chips/EDA
UVM
Apply
≈ $28k – $63k per year (Estimated) • In office • Full-Time • 10+ years exp • Bengaluru
SystemVerilog
Apply
≈ $27k – $63k per year (Estimated) • In office • Full-Time • Bengaluru
Verilog
SystemVerilog
Chips/EDA
UVM
Formal Verification
Cadence Palladium
Siemens Veloce
Synopsys HAPS
Cadence Protium
Apply
≈ $17k – $42k per year (Estimated) • In office • Full-Time • 5+ years exp • Master's Degree • Bengaluru • Hyderabad
Verilog
SystemVerilog
DevOps
Unix
Chips/EDA
Siemens QuestaSim
UVM
Apply
≈ $16k – $43k per year (Estimated) • In office • Full-Time • 6+ years exp • Bachelor's Degree • Bengaluru
Analytics
Microsoft Excel
Design
Canva
Apply
≈ $11k – $30k per year (Estimated) • In office • Full-Time • Bengaluru • Mumbai • Pune • Noida • Gurgaon
Apply
≈ $18k – $45k per year (Estimated) • Remote (India) • Full-Time • 10+ years exp • Master's Degree • Bengaluru • Mumbai • Pune • Noida • Gurgaon
SpaceTech
QGIS
Apply
≈ $5k – $10k per year (Estimated) • Remote (India) • Full-Time • 2+ years exp • Bengaluru • Mumbai
SpaceTech
QGIS
Apply
See all jobs
This is one of many
1,915,132 more open roles from verified company boards, updated every day.