Audio DSP Engineer - Voice Signal Processing and Application System Development

Join Us as an Audio DSP Engineer!At 42dot, we are in search of a talented Audio DSP Engineer dedicated to advancing audio signal processing and pre-processing technologies specifically tailored for automotive environments. You will enhance voice recognition and sound quality across various vehicle settings while delivering optimized solutions for OEM vehicle…

Join Our Team as a Lead Audio DSP Engineer!At 42dot, we are on the lookout for an exceptional Lead Audio DSP Engineer to spearhead the development of audio signal processing and preprocessing technologies tailored for automotive environments. You will set strategic directions and lead a team dedicated to delivering optimized voice recognition and sound quality solutions. Your leadership will be crucial in internalizing preprocessing technologies (such as AEC, AGC, NR) and customizing tuning processes to provide tailored solutions for OEM vehicles, ensuring project timelines and quality targets are consistently met.Key Responsibilities:Design and optimize core audio signal processing algorithms, including AGC, AEC, and NR.Develop signal processing solutions adapted to various vehicle conditions.Advance seat-specific voice recognition and signal separation technologies based on multi-microphone data to enhance recognition accuracy.Create scalable algorithms suitable for diverse seating arrangements and environments.Support tuning and optimization of preprocessing technologies for specific OEM vehicles.Manage production project timelines and quality milestones, addressing technical requirements efficiently.Conduct signal quality testing, debugging, and system stabilization.Reduce reliance on outsourced solutions by fostering internal technical capabilities.Ensure continuous maintenance and enhancement of technologies post-production.

Join Our Team of InnovatorsAt 42dot, we are seeking an exceptional Senior IVI System Engineer specializing in Audio to enhance the in-vehicle infotainment systems (IVI) on Android platforms for Software Defined Vehicles (SDV). You will play a pivotal role in developing and optimizing the Board Support Package (BSP) for audio systems.Key Responsibilities:Develop drivers for vehicle audio hardware (DSP, Amplifiers, Speakers, etc.) to interface with Android systems.Create and optimize sound drivers based on the Advanced Linux Sound Architecture (ALSA).Implement and customize the Audio Hardware Abstraction Layer (HAL).Develop specialized audio functionalities for vehicles, such as Zone Audio, Audio Routing, and Volume Control.

Join Our Innovative TeamAt 42dot, we are seeking a talented Camera System Hardware Engineer to lead the development of camera specifications and oversee the entire lifecycle from conception to mass production within our autonomous driving platform. This role is pivotal in defining image sensor specifications, establishing camera hardware interfaces, configuring ISP settings, ensuring image quality, and validating the reliability and stability of the camera systems. As a key engineer, you will support the precision and safety of autonomous driving functionalities.Key ResponsibilitiesDefine hardware development requirements for cameras used in autonomous driving and driver monitoring systems.Conduct hardware design reviews and oversee all stages of camera development.Implement SerDes settings and ISP bring-up for various use cases in autonomous driving and driver monitoring systems.Analyze and debug camera issues in test vehicles.Develop camera modules and related systems.Design multi-camera system architectures for our autonomous driving platform.Ensure synchronization of multiple camera systems.Design camera hardware elements such as CIS, ISP, SerDes, Lens, and IRED.Analyze and understand signal integrity for high-speed interface.Understand MIPI standards and related video standards, including stream packet analysis.QualificationsBachelor's degree in Electronics Engineering or equivalent experience.Strong analytical skills for system-level issues, including latency, bandwidth, and power consumption.Basic knowledge of camera system hardware interfaces is preferred.Over 10 years of hands-on experience in camera system engineering.Experience in developing ADAS, DVRS, or DMS camera modules and systems.Technical expertise in camera systems for mass production development.Understanding of fundamental concepts in image processing.Familiarity with functional safety concepts.Collaborative mindset with excellent interpersonal communication skills.Interview ProcessApplication screening - Video interview (approx. 1 hour) - In-person or video interview (approx. 3 hours) - Final selection.The interview process may vary by position and is subject to change based on schedule and circumstances.Interview schedules and results will be communicated individually via the email registered in the application.Additional InformationPlease exclude personal information such as your resident registration number, family relations, marital status, salary, photo, physical condition, and place of origin from your resume as per hiring regulations.All submitted files must be in PDF format and under 30MB. If you encounter issues uploading your resume, please send it along with the URL of the position you are applying for to recruit@42dot.ai.After the interview process, reference checks may be conducted with the applicant's consent.

Join Our Team of Innovators!At 42dot, we are at the forefront of developing cutting-edge vehicle applications based on Software-Defined Vehicle (SDV) architecture. As a Vehicle Application Engineer, you will design and implement a diverse range of automotive applications, focusing on critical functionalities such as vehicle control, user interfaces (UI), user management, remote control, and data collection and analysis. Utilizing distributed messaging frameworks and fault tolerance structures, you will create reliable and scalable applications that enhance the driving experience.Check out Pleos: Link

Join 42dot as a Media Application Engineer, where you will leverage your expertise to develop innovative media applications. Collaborate with a talented team to push the boundaries of technology and enhance user experiences. Your role will involve designing and implementing robust software solutions, working closely with cross-functional teams to ensure optimal performance and user satisfaction.

Join Our Team of Innovators!About UsAt 42dot, we are dedicated to tackling mobility challenges through cutting-edge software and artificial intelligence. As a part of the Hyundai Motor Group's global software center, we lead the way in the development of software-defined vehicles, paving the path for future mobility solutions.Our commitment to safety and user-centric software technology drives us to deliver the latest performance enhancements through continuous updates, akin to smartphone advancements. By advancing software and AI technologies, 42dot envisions a new world with connected and autonomously operated urban traffic management systems.Key ResponsibilitiesDevelop specifications and features for Connected Car Service (CCS) systems for 42dot controllers and legacy ECUs, focusing on OTA, diagnostics, and vehicle data collection functionalities.Create software middleware and application development for CCS, including MCU-based device drivers and Hardware Abstraction Layer (HAL) development.Design and implement OTA and diagnostic integration features across heterogeneous networks.Develop protocols and software for internal vehicle data collection and server uploads.Required QualificationsProven experience in embedded software development projects.Experience in developing vehicle diagnostic communication systems using UDS protocol.Deep understanding and project experience with OTA and diagnostic protocols.Strong knowledge of RTOS or Linux systems.Preferred QualificationsExperience in developing software for HKMC integrated communication controllers (CCU).Familiarity with developing CCU standard specifications (functional/system/diagnostic specifications) and deploying CCU across various vehicle models.Experience with diagnostic stack development in AUTOSAR or Linux systems.Interview ProcessApplication review - Coding test - Video interview (approximately 1 hour) - In-person or video interview (approximately 3 hours) - Final selection.The selection process may vary by role and is subject to change based on scheduling and circumstances.Interview schedules and results will be communicated individually via the email registered in your application.Additional InformationPlease refrain from including personal information such as social security numbers, family relations, marital status, salary, photos, physical conditions, or place of origin, as it is prohibited by recruitment regulations.All submitted files should be in PDF format and not exceed 30MB. If you encounter issues uploading your resume, please send it to recruit@42dot.ai along with the URL of the position you are applying for.Reference checks may be conducted with the candidate's consent after the interview process.Veterans and individuals eligible for employment protection will be given preference in accordance with relevant laws.Individuals with registered disabilities will also be prioritized under the Act on the Promotion of Employment for Persons with Disabilities.42dot does not accept unsolicited applications from recruitment agencies.

About the Role 42dot is looking for an Android Engineer focused on System UI to join the team in Pangyo (Software Dream Center), South Korea. This position centers on designing and building user interfaces for Android applications, with an emphasis on delivering a smooth and engaging experience. What You Will Do Design and develop user interfaces for Android apps, with a focus on System UI components. Work closely with teams from different disciplines to bring new features to life. Contribute to improving the usability and functionality of 42dot’s Android products.

Join Our Innovative Team!At 42dot, we are at the forefront of developing an AI Assistant App that enhances the driving experience by minimizing unnecessary interactions and allowing for secure, voice-controlled vehicle management. Our team is dedicated to creating intuitive solutions powered by Large Language Models (LLM), delivering only the most relevant information to drivers while ensuring they can access smart services effortlessly through voice commands.We continually research and develop personalized services that adapt to the user's context within the vehicle's infotainment (IVI) environment, leveraging both vehicle and driver data to provide a smarter voice experience.Key ResponsibilitiesDevelop Android applications tailored for vehicles, utilizing cutting-edge AI SDKs including voice recognition and synthesis.Customize user experience (UX) and HMI integration in alignment with Google Automotive Services (GAS) and AAOS specifications.Integrate vehicle control features (e.g., air conditioning, windows, seats) through the AAOS Vehicle API.Create services that interface with existing IVI applications for navigation, telephony, and radio.Design and develop interfaces for LLM-based third-party application integration.QualificationsA minimum of 3 years experience in Android application development (including graduate studies).Strong understanding of the Android platform with proficiency in Java or Kotlin.Proficient in at least one of the following languages: Java, Kotlin, or C++.Preferred QualificationsExperience in developing vehicle infotainment (IVI) or connected vehicle services.Knowledge of AAOS (Android Automotive OS) or AOSP (Android Open Source Project) development.Experience utilizing modern architectures and communication technologies such as MVVM, RxJava, gRPC, and RESTful APIs.Proven track record of enhancing app performance and user experience based on user feedback.A collaborative spirit with a passion for sharing technical knowledge and learning new technologies.Portfolio submission (e.g., GitHub contributions) is a plus.Interview ProcessApplication review - Coding test - Video interview (approx. 1 hour) - In-person or video interview (approx. 3 hours) - Final selection.Process may vary by position and is subject to change based on scheduling and circumstances.Interview schedules and outcomes will be communicated via the email provided in your application.Additional InformationPlease exclude sensitive information such as personal ID numbers, family relations, marital status, salary history, photos, physical characteristics, and place of origin from your resume submission.All submitted files should be in PDF format and under 30MB. If you encounter issues uploading your resume, please send it to recruit@42dot.ai along with the position URL.Post-interview, reference checks may be conducted with your consent.

Join Our Innovative TeamAt 42dot, we are seeking a talented and driven MCU Application Engineer to contribute to the development of high-performance MCU-based zonal controllers. In this role, you will design and develop functionalities to operate various vehicle sensors and actuators, facilitating coordinated control with other ECUs and providing standardized APIs for Software-Defined Vehicles (SDV).Key ResponsibilitiesDevelop Vehicle Hardware Abstraction Layer (HAL) based on SDV architecture.Design and implement control logic and diagnostic functions for MCU-based systems.Create cooperative control functionalities utilizing communication protocols such as CAN, LIN, and Ethernet.Control sensors and actuators through interfaces like ADC, PWM, SPI, UART, and I2C.Develop a diagnostic framework based on UDS and SOVD, along with in-house diagnostic applications for controllers.Required QualificationsProven experience in embedded software development projects.Experience in developing vehicle communication systems based on CAN/CAN FD, LIN, and Ethernet.Familiarity with ISO26262-compliant automotive control software design.Deep understanding of Real-Time Operating Systems and MCUs.Preferred QualificationsExperience in developing projects based on various real-time operating systems (open source or proprietary).Production experience with body, chassis, powertrain, IVI, and cluster controllers at OEMs or Tier 1 suppliers.Experience in developing motor control logic for applications such as power trunks and power windows.Familiarity with next-generation diagnostic protocols (SOVD, DoIP, gRPC) and cloud-linked diagnostic systems.

About the Role 42dot is looking for an Android Application Engineer to focus on the IVI App Market. This position is based at the Software Dream Center in Pangyo, South Korea. What You Will Do Design and build Android applications for in-vehicle infotainment (IVI) systems Work closely with teams from different disciplines to deliver features that improve the automotive user experience Develop, test, and refine solutions that fit smoothly into IVI environments Who We’re Looking For Experience with Android application development Interest in automotive technology and user experience Ability to collaborate with engineers, designers, and product teams

Join Our Team of Innovators!At 42dot, we are pioneering the development of Connected Car services that seamlessly integrate vehicles with mobile technology. Our users can monitor vehicle status and remotely control features through a mobile app, providing an enriched Mobility Life experience with functionalities like digital keys, OTA (Over-The-Air) updates, app marketplace access, and charging options.As an Android Application Engineer, you will be at the forefront of implementing cutting-edge architecture and technologies recommended by Google, fostering a culture of zero technical debt. You will enhance productivity, maintainability, and reliability by designing efficient app architectures while leveraging the latest Android tech stack to deliver high-performance applications with intuitive user experiences.

Join Our Innovative Team!The Audio Team at 42dot is dedicated to developing cutting-edge voice technologies that enhance user interaction with vehicles. Our voice recognition technology enables seamless communication between users and their vehicles through voice commands, making driving safer and more convenient.Key ResponsibilitiesDesign and develop speech-to-text (STT) acoustic and language models, along with building comprehensive voice databases.Design wake word detection (WWD) models and establish related voice databases.Create and optimize batch and streaming voice applications for server and on-device environments (Linux, Android).Develop and optimize hardware-efficient models.QualificationsMinimum of 2 years of relevant experience (new graduates with a master’s degree are welcome to apply).Strong foundational knowledge in speech signal processing.Research experience in machine learning/artificial intelligence related to STT or WWD technology.Ability to develop applications on edge devices (Linux, Android).Proficient programming skills for innovative technology solutions (C/C++/Python/Shell).Experience with open-source deep learning frameworks (e.g., PyTorch, TensorFlow, Keras, Caffe).Preferred QualificationsFamiliarity with version control systems (Git).Understanding of unit testing, static analysis, test automation, and CI/CD processes.Experience in developing STT technologies for commercial applications.Research experience in self-supervised learning (SSL) and attention-based encoder-decoder (AED) STT models.Experience in multilingual STT research.Research experience in language models for speech recognition.Author of publications in top-tier journals/conferences in speech recognition/machine learning/AI.Possession of a master's or doctoral degree in relevant fields.Interview ProcessApplication review - Coding test - Video interview (approximately 1 hour) - In-person or video interview (approximately 3 hours) - Final selection.The process may vary by role and is subject to change based on scheduling and circumstances.Interview schedules and results will be communicated via the email provided in your application.Additional InformationPlease refrain from including prohibited information such as personal ID numbers, family relations, marital status, salary expectations, photographs, physical conditions, or place of origin in your resume.All submitted files should be in PDF format and less than 30MB. If you encounter issues uploading your resume, please send it along with the URL of the position you're applying for to recruit@42dot.ai.

42dot is hiring a Senior MCU System Engineer for its Pangyo (Software Dream Center) location in South Korea. This position centers on designing and developing MCU-based high-performance and zonal controllers for Software-Defined Vehicles. The work involves optimizing mission-critical systems, building hardware abstraction layers, and shaping core system platforms. What you will do Develop MCU-based bootloaders, device drivers, and hardware abstraction layers (HAL). Design and implement redundant systems to support fault tolerance in vehicle systems. Create scalable system designs with a strong foundation in hardware knowledge. Develop abstraction layers for vehicle systems and collaborate with various domain systems for integrated control. Requirements Hands-on experience in embedded software development projects. Background in developing vehicle communication systems using CAN/CAN FD, LIN, and Ethernet. Experience with MCU communication interfaces such as SPI, I2C, and UART, including high-speed data transmission. Experience designing control software for vehicles that meets ISO26262 standards. Understanding of real-time operating systems (RTOS) and microcontroller units (MCUs). Preferred qualifications Project experience with a variety of real-time operating systems, both open-source and proprietary. Background in developing MCU-based bootloaders. Production experience with body, chassis, powertrain, IVI, or cluster systems at OEMs or Tier 1 suppliers. Experience developing controllers for vehicle motors (such as BLDC or PMSM) and working with motor control algorithms. Development of middleware based on RTPS (Real-Time Publish-Subscribe) in embedded environments (such as DDS, MQTT, Zenoh). Interview process Application screening, followed by an in-person interview (about 1 hour), then a second in-person interview with a live coding test (about 3 hours), and final selection. The process may change depending on the role, scheduling, or other circumstances. Interview schedules and results are communicated individually by email using the address provided in the application. Additional information Do not include information prohibited by the Fair Hiring Act in your resume, such as social security numbers, family relations, marital status, salary history, photographs, physical condition, or place of origin. Submit all files in PDF format, each under 30MB. If there are issues uploading, email your resume and the position URL to recruit@42dot.ai. Reference checks may be conducted after the interview process, with the applicant's consent.

Join Our Dynamic TeamAt 42dot, we are seeking a talented Senior IVI System Engineer specializing in Connectivity to enhance our innovative IVI (In-Vehicle Infotainment) solutions. This role is pivotal in the development of System Software that ensures our diverse range of services operates seamlessly within the Android Automotive (OS) environment, contributing to the future of Software Defined Vehicles (SDV).Your expertise will cover critical areas from device drivers, HAL, and graphic/connectivity stacks to bootloaders, kernels, and hypervisors, directly influencing product quality in terms of performance, stability, and reliability.Develop a robust and optimized Connectivity stack for the Android Automotive-based IVI platform.Analyze and resolve system-level issues to ensure consistent service quality in vehicle environments.Implement development processes guided by quality standards and testing frameworks, considering mass production and validation environments.

Join Our Innovative Team!We are on the lookout for a talented Senior IVI OS Engineer specializing in camera systems to join our dynamic team at 42dot. In this role, you will be responsible for designing and optimizing critical features of our Android-based automotive camera systems. This includes managing the camera hardware interface, implementing remote video streaming, and developing camera-based applications tailored for automotive environments, ensuring the delivery of reliable and cutting-edge camera services.Key Responsibilities:Camera HAL and EVS HAL Integration: Develop and optimize Camera HAL (Camera3) and EVS HAL to ensure seamless hardware integration, customizing the Android HAL layer for specific purposes. Collaborate closely with app developers for compatibility with Camera2 API or EVS-based applications.Remote Camera Stream Integration: Work with system software engineers to process and handle camera streams received from remote devices, integrating them into the Android camera framework. Manage various real-time streaming protocols such as RTSP, RTCP, and WebRTC.Application Development: Utilize vehicle camera systems to create various applications, including Dash Cam (Black Box), which records and manages in-cabin driving footage, and Surround View systems that visualize 360° views around the vehicle while collaborating with UI/UX teams for high-performance implementations.

Join Our Innovative TeamAs a Senior Radar System Engineer at 42dot, you will play a pivotal role in the production development of radar systems for autonomous vehicles and systems. This position encompasses everything from the development of radar system specifications to system integration and mass production. A profound understanding of radar technology, system integration, and automotive industry standards is essential.Key ResponsibilitiesImplement and validate the performance of radar systems for vehicles in mass production.Collaborate with hardware, software, and systems engineering teams for vehicle integration of radar systems.Conduct system-level design and performance analysis, troubleshooting issues as they arise.Draft and maintain technical documentation including specifications, design documents, and test plans.Develop radar mounting and interface solutions within vehicles, considering power, communication, and environmental factors.Ensure compliance with automotive industry standards and regulations (ISO 26262, AUTOSAR, UNECE, etc.).QualificationsBachelor's or Master’s degree in Electrical Engineering, Computer Science, or a related field.Over 5 years of experience in relevant fields.Strong understanding of radar technology.Familiarity with development and production specifications (Automotive Ethernet / CAN communication, UDS, DoIP, AutoSAR, EOL, ES / MS).Experience in radar system design and integration.Knowledge of automotive standards and protocols (ISO 26262, AUTOSAR, etc.).Proven problem-solving skills with the ability to analyze and resolve complex issues.Excellent communication skills and ability to work collaboratively in a team environment.Preferred QualificationsExperience in radar development and mass production.Experience with Advanced Driver Assistance Systems (ADAS) and autonomous driving technology in mass production.Team leadership or project management experience.Understanding of automotive quality standards (IATF 16949, etc.).Proficient in simulation and analysis tools (MATLAB, Python, C, C++, etc.).Business proficiency in English.Interview ProcessApplication review - Video Interview (approximately 1 hour) - In-person or Video Interview (approximately 3 hours) - Final Offer.The interview process may vary by position and is subject to change based on scheduling and circumstances.Interview schedules and results will be communicated individually to the email address provided in your application.Additional InformationPlease refrain from including personal information such as ID numbers, family relations, marital status, salary, photographs, physical conditions, or place of origin in your resume as per recruitment guidelines.All submitted files should be in PDF format and under 30MB. If you experience issues during the resume upload process, please send your resume along with the URL of the position you are applying for to recruit@42dot.ai.

Join Our Team as a System Framework Engineer!At 42dot, we are seeking a talented System Framework Engineer to design and develop a robust common system framework for SDV (Software-Defined Vehicle) applications and services. You will be responsible for implementing and optimizing essential frameworks, including standard interfaces within distributed systems, system resource management, distributed messaging frameworks, lifecycle management, and fault tolerance frameworks.Key Responsibilities:Design and develop the system framework for Pleos Vehicle OS.Optimize, maintain, and ensure quality of the system framework for Pleos Vehicle OS.

Join our dynamic team at 42dot as a Senior Linux System Software Engineer. In this pivotal role, you will leverage your expertise in Linux systems to design, develop, and optimize software solutions that drive our innovative projects. Your contributions will be essential in shaping the technology landscape of our organization.

Join Our Innovative TeamAbout 42dotAt 42dot, we are at the forefront of the Software Defined Vehicle (SDV) revolution. Our In-Vehicle Infotainment (IVI) System Software Engineer (BSP) plays a pivotal role in developing system software for Android Automotive (OS), ensuring that our diverse range of services operates in a stable and optimized environment.This position is crucial as it encompasses the core areas that influence product quality (performance/stability/reliability), from device drivers to HAL, bootloader, kernel, and SoC vendor BSP. You will analyze and structurally improve stability and performance issues at the SoC/Kernel/Bootloader/OS level, contributing to a wide array of development activities including SoC vendor BSP release migration and addressing issues/bugs within the AOSP community.Establish a robust and performance-optimized BSP/system software stack for the Android Automotive-based IVI platform.Execute end-to-end processes to replicate, analyze, resolve, and validate system-level issues (kernel/driver/OS stability, performance degradation, etc.) occurring in vehicle environments.Ensure quality based on standards and testing systems (CTS/VTS, etc.) considering mass production/verification environments, and standardize/enhance for long-term sustainability.Key ResponsibilitiesDevelop and bring up device drivers:Create and initiate essential device drivers, such as Display/Touch.Analyze and rectify driver issues tailored to the SoC/board environment.Address kernel/bootloader development and stability issues:Integrate functionalities based on SoC vendor-provided kernel/bootloader, analyzing and enhancing issues.Investigate and resolve OS stability problems, including kernel panics, memory issues, deadlocks/races, and boot issues.Develop and integrate Android HAL (Hardware Abstraction Layer):Enhance HAL and integrate it with the system stack.Conduct quality validation based on CTS/VTS and analyze/improve any failure items.Analyze and improve system performance:Identify and optimize performance bottlenecks concerning boot time, CPU/memory/IO, and graphics performance.Establish a systematic approach to prevent performance regressions through root cause analysis.Manage SoC Vendor BSP release migration and maintenance:Plan and implement SoC vendor BSP release upgrades/migrations.Handle patch management, change impact analysis, and address compatibility/regression issues.QualificationsProven experience in embedded system development based on AAOS (Android Automotive OS) or Linux.Experience in the development and mass production of Android OS-based products.Hands-on experience in Android HAL development and testing utilizing CTS/VTS.Proficiency in key embedded system programming languages (C/C++, Python, etc.).Strong analytical and problem-solving skills with a focus on performance optimization.