A Facebook FPGA job involves designing, developing, and optimizing FPGA-based hardware accelerators to improve data center performance, AI workloads, and networking systems. Engineers in this role work closely with software and hardware teams to implement high-performance, low-latency solutions. Responsibilities may include RTL design, verification, synthesis, and system integration using FPGA technologies. This position requires expertise in hardware description languages (HDLs) like Verilog or VHDL, FPGA toolchains, and performance optimization techniques.