Senior / Staff / Lead FPGA Engineer

Company Overview

Flux Computing designs and manufactures optical processors to train and run inference on large AI models. Join us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed.

The role

We are seeking an experienced and motivated Senior FPGA Engineer to play a critical role in specifying, designing and building the control and interface functions of the OTPU system. The ideal candidate will have extensive experience in high speed design (PCIe / ethernet interfaces), interfacing with memory (DDR 3 /4 /5) and other peripherals, precision timing / synchronisation as well as signal processing pipelines.

Responsibilities

• Design, develop, and optimise the FPGA hardware.
• Work closely with software engineers to help them implement the low-level drivers for controlling and configuring hardware peripherals within our OTPU systems.
• Work closely with hardware engineers to synchronise optical components.
• Work closely with the team and ensure a smooth integration of hardware and software elements.
• Implement real-time control algorithms to manage the timing and operation of optical devices and their communication with the system.
• Optimising the FPGA design over time to enhance system performance and reliability.
• Conduct rigorous testing and validation of the FPGA to ensure seamless operation under demanding conditions.
• Debug complex hardware-software interactions and resolve performance bottlenecks.
• Collaborate with cross-functional teams, including hardware, optical, and software engineers, to refine and advance OTPU technology.
• Stay current with advancements in embedded systems, and FPGA programming.

Skills & Experience

• 5+ years of experience in FPGA, with a strong focus (>3 years) on high speed interfaces and signal processing in FPGAs.
• UVVM/OSVVM verification and hardware validation experience.
• Deep understanding of embedded system architectures.
• Extensive experience in synchronising complex hardware components and optimising real-time system performance.
• Strong problem-solving skills and the ability to debug hardware-software interactions effectively.
• Bachelor’s degree in electrical engineering, computer engineering, or a related field.
• Ability to thrive in a fast-paced, dynamic environment and collaborate effectively with multidisciplinary teams.

Compensation & Benefits

• Competitive salary ranging from £135k+, depending on experience.
• Stock options in a rapidly growing AI company
• Based in our new 5,000 sq. ft. office in the AI hub of Kings Cross, London
• To foster collaboration in our high-growth environment, we require all employees to work from our London HQ and live within a 45-minute commute. We offer an extra £24,000/year incentive for those living within 20 minutes.
• Comprehensive healthcare insurance
• 25 days PTO policy plus bank holidays
• Private access to our in-house 3D printer

If you’re excited about real-time control, high-speed interfaces, and the chance to refine system performance over time, we’d love to hear from you.