Device Software Engineer (Android)

Join Our Innovative Team The Device Software Engineer at Tossplace is part of the Device Team, collaborating closely with the Device Product Manager, Android Developers, Hardware Engineers, Firmware Engineers, and Quality Engineers. The Device Team is responsible for overseeing the entire development process of payment terminals used in offline payment servi…

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.

Role Overview 42dot is looking for an Android Engineer with deep experience in UI framework development. This position is based at the Software Dream Center in Pangyo, South Korea. The role centers on building and refining user interfaces that deliver a high-quality experience. What You Will Do Design and implement UI frameworks for Android applications Optimize user interfaces to ensure smooth, responsive interactions Work closely with other engineers to deliver reliable and maintainable code Contribute to projects where thoughtful UI design makes a difference for users Who We’re Looking For Strong background in Android development Experience with UI framework design and implementation Interest in building interfaces that enhance user experience Comfort working in a collaborative, project-driven setting

Coupang exists to deliver exceptional experiences to our customers. When customers say, "How did I live without Coupang?" we know we have fulfilled our mission. With a singular dedication to making shopping, dining, and everyday life easier for our customers, Coupang is leading innovation across the multi-billion dollar e-commerce sector. As one of the fastest-growing e-commerce companies, we have established a unique position in the domestic market and built trust with our customers. We take pride in being a globally listed company rooted in startup culture. This agility from our inception drives our continuous release of new services and expansion of our business. Each Coupang employee is given the opportunity to embody an entrepreneurial spirit and drive innovation and initiatives. The essence of working at Coupang is the courage to dive into work and achieve results. Here, you will witness growth for yourself, your colleagues, your team, and the entire company every day. All Coupang employees are genuinely committed to our mission of shaping the future of commerce. We tackle customer problems, challenge traditional notions, and push the limits of what is possible. If you seek an amazing work experience in a hyper-connected world, with cutting-edge technology and always-on availability, join Coupang today. Job OverviewCoupang Pay, a subsidiary of Coupang, provides a tailored electronic payment service (PG) to meet the growing needs of Coupang customers. We focus on delivering innovative payment and financial service solutions to everyone using Coupang's platform, from customers purchasing goods on Coupang and Coupang Eats to sellers utilizing Coupang's open market and affiliated merchants. With a wealth of experience in fintech and a deep understanding of Coupang’s business, our team is dedicated to revolutionizing all payment-related customer experiences. Curious about Coupang Pay? Come join our journey! Based in Seoul, the Coupang Pay product engineering team develops, launches, and manages products that excite customers daily. We are looking for skilled software designers with extensive experience in creating and scaling innovative customer experience software.

Coupang Pay builds electronic payment services tailored for Coupang’s diverse user base, including shoppers, Coupang Eats customers, sellers, and merchants. As a spin-off from Coupang, the team focuses on improving every payment experience across the platform through specialized fintech solutions. Role overview The product engineering team in Seoul develops and manages products that impact millions of users. This Staff Android Engineer role centers on designing and scaling Android applications for new fintech products, aiming to set a high bar for customer experience. What you will do Design, develop, and maintain Android apps for Coupang Pay’s new fintech offerings Work closely with engineers, product managers, and designers to deliver seamless payment features Support all stages of the product lifecycle, from initial concept through launch and ongoing improvement Follow software engineering best practices to achieve quality, scalability, and reliability Internal transfer application Current Coupang employees interested in this position should complete and submit the Internal Transfer Request Form using their Coupang email account.

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 Team of InnovatorsAs an Android Engineer (Services) at 42dot, you will play a pivotal role in developing on-device services based on the Android OS, focusing on delivering robust client services that seamlessly integrate with cloud-based functionalities. Our mission is to provide a scalable and reliable array of features specifically tailored for Android Automotive OS (AAOS).Develop specialized client services for vehicles that harness the synergy between on-device and cloud services.Create scalable SDKs accessible to a wide range of developers.Establish a standardized Android-based platform to enhance the future experience of vehicular services.

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 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.

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

Speechify’s mission is to remove reading barriers and open up learning for everyone. Over 50 million people use our text-to-speech technology to turn PDFs, books, Google Docs, news articles, and websites into audio. Our products span iOS, Android, Mac, Chrome, and web platforms. Recent recognition includes Google’s Chrome Extension of the Year and Apple’s 2025 Design Award for inclusivity. Our team of nearly 200 works remotely across the globe. We bring together frontend and backend engineers, AI research scientists, and professionals from companies like Amazon, Microsoft, and Google, as well as alumni from top universities such as Stanford. About the Role Speechify is looking for a Senior Android Engineer to help lead our Android core product as it grows into the most popular text-to-speech app on the Play Store. This role is based in Seoul, South Korea. The position calls for someone who thinks strategically, enjoys tackling new projects, and cares deeply about building user experiences that truly help people. What You’ll Do Lead development for the Android app, supporting a rapidly expanding user base Drive new projects that improve and expand the product Work closely with a distributed team of engineers and product leaders Help shape the direction of the Android product with both technical and product insight What We Value Strong technical skills and a results-oriented mindset Clear, effective communication Desire to take initiative and ownership in a flat, collaborative structure Commitment to high standards and a strong work ethic Interview Process The interview process includes several technical assessments, typically completed within one week.

Join Speechify as a Tech Lead for our Android Core Product in Busan, South Korea. We are seeking an innovative and experienced professional to lead our Android product development team. You will be at the forefront of shaping the user experience and driving the technical direction of our Android applications.As a Tech Lead, you will oversee the design, implementation, and optimization of our Android software, collaborating closely with cross-functional teams to deliver high-quality solutions. Your leadership will help foster a culture of excellence and continuous improvement within the team.

At Upstage, we tackle business challenges that can be solved with AI technology. Under our mission of 'Making AI Beneficial', we develop 'easy-to-implement AI solutions' so everyone can enjoy the benefits of AI technology. We contribute to the business success of our corporate clients by launching a series of APIs that allow easy access to world-class AI models across various fields. We also strive to ensure that AI is used beneficially in the world by offering Private LLM services optimized for business environments, enhancing the efficiency and productivity of companies.In addition to LLM technology, we are innovating in document processing with products like Document Parse and Information Extraction. We are creating an AI Space that optimizes our proprietary LLM and Chat AI technology for business environments, helping to shape the future of workplace intelligence.The Platform Team at Upstage serves as the launchpad for AI, ensuring that our world-class AI models and services reach customers quickly and reliably. We operate under the philosophy of 'Platform as a Product', creating a Golden Path for internal developers to focus on business logic and modeling without the complexity of infrastructure.Going beyond simple operations, we maximize engineering productivity through GPU scheduling specialized for LLM/ML services, global multi-region architecture, and an advanced self-service platform. We are looking for individuals to join us in creating a global-scale AI platform in a flexible and horizontal culture alongside top-notch colleagues.Key ResponsibilitiesBuilding and Enhancing Internal Developer Platform (IDP): Develop a self-service platform that allows developers to provision infrastructure easily and securely, continuously improving the development experience from start to deployment.Kubernetes-Based Platform Engineering: Operate hybrid Kubernetes clusters encompassing both EKS and On-Premise environments, optimizing GPU resource scheduling and ensuring model serving stability.Designing Global Multi-Region Infrastructure Architecture: Design and operate multi-region networks and infrastructure architecture to address data sovereignty and global service expansion.Automation and Modularization Based on Infrastructure as Code: Manage all infrastructure as code using Terraform, Ansible, etc., and develop reusable infrastructure modules to enhance operational efficiency.Establishing Observability Framework and SLO-Based Operations: Build logging, metrics, and tracing pipelines to gain visibility of the platform and establish a data-driven operational culture based on SLO/SLI.Enhancing CI/CD Pipeline and Deployment Strategies: Build GitOps-based deployment pipelines using ArgoCD, GitHub Actions, and provide reliable deployment strategies such as Canary and Blue-Green.Employment TypeFull-timeRecruitment ProcessDocument ScreeningTask Test

Join Us to Create the Future of Communication!At ChannelTalk, we are dedicated to driving sustainable growth for businesses through our all-in-one AI messenger, which focuses on enhancing customer conversations to guide business directions effectively.Embracing the philosophy that 'the customer has the answers', we integrate CRM-based support experiences with AI automation to streamline customer service efficiency and improve customer experiences, all within a single product. Our rapid growth, achieving over 20% market share in Japan, sets a solid foundation for our ambitious expansion into the US market as a global SaaS leader.We collaborate with top talents to develop a 'future classic' product that could symbolize a new generation, much like Google Search and the iPhone.

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 Team!At 42dot, our IVI OS Engineers play a crucial role in enhancing the In-Vehicle Infotainment (IVI) system, a core component of Software Defined Vehicles (SDV). Leveraging Android Automotive, you will optimize and develop essential middleware and applications that drive our competitive edge in the automotive industry.Your ResponsibilitiesDevelop Android Automotive HAL, including Vehicle, GNSS, and Sensor HAL.Create vehicle data simulation tools based on Android Automotive OS.Integrate IVI with SDV Vehicle OS and develop service applications.QualificationsExperience in developing embedded systems based on AAOS/Linux.Proficient in Android HAL development and testing with VTS.Software development experience utilizing protocols like CAN, SOME/IP, or DDS.Strong skills in embedded system languages such as C, C++, Java, or Rust.Preferred QualificationsBroad understanding of Android platform and Automotive Car Services.Experience integrating IVI with vehicle controllers.Familiarity with UDS-based vehicle controller diagnostics.Interest in code automation and efficiency improvements.Interview ProcessApplication screening - Coding test - Video interview (approx. 1 hour) - Face-to-face or video interview (approx. 3 hours) - Final acceptance.The process may vary by position and is subject to change based on circumstances.Interview schedules and results will be communicated via the email provided in your application.Additional InformationPlease exclude personal information such as your Social Security number, family relations, marital status, salary information, photographs, physical condition, and region of origin when submitting your resume.All submitted files should be in PDF format and under 30MB. If you encounter issues during the upload process, please send your resume to recruit@42dot.ai along with the URL of the position you are applying for.A reference check may be conducted with the applicant's consent after the interview process.Veterans and individuals protected by employment protection laws are given preference according to relevant laws.Applicants holding a disability registration certificate are preferred in accordance with the Act on the Promotion of Employment for Disabled Persons and Vocational Rehabilitation.42dot does not accept unsolicited resumes from search firms and will not pay a fee for resumes submitted without a prior agreement.※ Please review the following information before applying.Learn about how 42dot works, here.

Key ResponsibilitiesDesign, develop, execute, and manage test cases to ensure the quality of our software solutions.Lead the verification of our solutions' functionality, performance, compatibility, and reliability.Analyze and reproduce issues that arise during the verification process and collaborate with relevant teams such as development, hardware, and operations to resolve them.Analyze and diagnose issues occurring in customer environments, contributing to internal solution improvements and enhancing customer satisfaction.Develop test scenarios and establish validation plans based on customer requirements.Build and enhance a verification framework based on quality standards throughout the product lifecycle.

About the Team You'll Join- As a Payment Software Engineer at Toss, you'll be part of the Device Team, collaborating with Device Owners, Device Software Engineers, Embedded Software Quality Engineers, and Hardware Engineers.- The Device Team is at the forefront of revolutionizing the offline payment industry, crafting innovative changes in the payment ecosystem.- You will work alongside Business Development Managers, Purchasing Managers, Android/Server Developers, and others to successfully launch top-tier payment devices.Your Responsibilities- Develop payment applications across multiple OS environments (Android, Windows, Linux, RTOS).- Specialize in card data processing tailored for VAN companies and develop communication protocols.- Conduct security certifications in compliance with credit card associations.- Develop and certify EMV, Tmoney, and Weezle applications.- Work on NFC feature development and Apple Pay integration and certification.Who We’re Looking For- We seek an individual with over 5 years of experience in payment domain development using C and C++.- Experience in developing payment module firmware or applications is a strong plus.- Familiarity with credit card security certification or EMV certification is highly desirable.- Experience in developing Vcat or DLL for POS systems would be advantageous.Your Journey with Toss- Application submission > Job interview > Cultural fit interview > Reference check > Compensation negotiation > Final acceptance and onboarding.A Note for Potential Colleagues"You can be part of realizing a dream!"- I am currently developing payment software at Toss. If you're eager to experience the thrill of developing hardware products, this is the place for you.- If you've ever seen a Toss terminal, you've witnessed the process of our dreams coming to life.- At Toss, you will focus on development amidst passionate teammates and a unique culture, allowing you to challenge new frontiers.

Join our dynamic team at asm as a Senior Software Engineer, where you will be instrumental in designing and developing innovative software solutions. This role offers the opportunity to work on cutting-edge technology projects that impact our global operations.

Join Our Team of Innovators!At 42dot, we are seeking a talented IoT Software & Firmware Engineer to design, develop, and maintain software for a wide array of connected devices. This role encompasses everything from practical sensors and actuators to data communication, cloud technologies, and applications, requiring a keen understanding of the latest technological trends and the ability to develop innovative solutions.Key Responsibilities:Design and develop IoT system software utilizing various microcontrollers, sensors, actuators, and communication modules.Create and implement efficient communication systems for IoT devices.Process and analyze data collected from sensors to derive meaningful insights, storing it in the cloud as necessary.