Embedded Engineer OpportunityFull-time embedded engineer, working at the sweet spot where real-time performance meets delightful user experiences.About HapikoHapiko is a Brooklyn-based company building the future of play.The RoleOwn firmware that runs on thousands of devices in people's homes. You'll work at the sweet spot where real-time performance meets delightful user experiences, making hardware that feels simple and just works.You'll ShipOptimized C/C++ firmware for ESP-based systemsReal-time audio pipelines with low-latency capture and playbackReliable OTA update systems for thousands -> millions of devices already in the wildPeripheral integrations across displays, printers, and sensorsMemory and power optimizations that squeeze every bit of performanceProduction-ready firmware built for manufacturing scaleYou're a Great Fit If You Have5+ years building embedded systems with strong C++ skillsDeep experience with the ESP platform and toolchainHands-on audio data handling via I2S or PDMComfort with hardware debugging tools like oscilloscopes and logic analyzersTrack record shipping firmware for memory-constrained, low-power environmentsExperience integrating peripherals via SPI, UART, GPIOExperience shipping consumer electronics or high-volume hardwareWorked with FreeRTOS and task schedulingApplied basic audio DSP techniques like filtering and gain controlBuilt firmware for manufacturing test and factory workflowsWritten Python scripts for tooling or test automationOur StackFirmware: C/C++, ESP-IDF, FreeRTOSAudio: I2S, PDM microphones, SpeakerConnectivity: WiFi and Web protocolsPeripherals: TFT displays, thermal printers, various sensorsWhy Join UsWe're a small, experienced team backed by top investors and moving fast. You'll own the entire firmware stack, influence hardware decisions from the ground up, and help build tech that feels magical and meaningful — while solving real embedded systems challenges.If you love shipping firmware that powers delightful experiences, we'd love to talk to you!Location: NYC only, On-site (flexible on WFH but we like to be in office the majority of the week) in our Brooklyn based office, close to most major train lines.Salary$150,000 - $250,000 per year