Application Software Engineer Jobs in South Korea

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Speechify logo
Full-time|On-site|Busan, South Korea

Role overview Speechify seeks a Senior Software Engineer in Busan, South Korea, to focus on Windows and desktop applications. This position involves designing, building, and refining tools that support productivity and learning for users. What you will do Create and maintain Windows and desktop software as part of Speechify’s platform Improve current applica…

Apr 25, 2026
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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.

Apr 8, 2026
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Speechify logo
Full-time|On-site|Incheon, South Korea

Join our dynamic team at Speechify as a Senior Software Engineer specializing in Windows and Desktop Applications. In this role, you will leverage your expertise to design, develop, and enhance innovative software solutions that improve user experience and accessibility.We are looking for a passionate developer who thrives in a collaborative environment and is eager to tackle challenges head-on. Your contributions will directly impact our mission of making information more accessible to everyone.

Apr 30, 2026
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Wayve logo
Full-time|On-site|Seoul

Join Wayve as an Application Software Engineer and be a part of our innovative journey in shaping the future of autonomous driving technology. This is an exciting opportunity for talented engineers ready to relocate to Tokyo.

Mar 12, 2026
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Speechify logo
Full-time|Remote|Seoul, South Korea

About Speechify Speechify builds tools that help people overcome reading barriers and improve how they learn. More than 50 million users turn to our text-to-speech products to listen to content from PDFs, books, Google Docs, news articles, and websites. Our suite spans iOS, Android, Mac, Chrome Extension, and Web App. Google named us Chrome Extension of the Year, and Apple recognized us with the 2025 Design Award for Inclusivity. The team includes nearly 200 professionals working remotely from around the world. Our group brings together frontend and backend engineers, AI researchers, and experts from companies like Amazon, Microsoft, and Google, along with graduates from top schools such as Stanford. Speechify operates fully distributed, with no physical office. Role Overview: Senior Software Engineer – Windows/Desktop Applications This position focuses on building and maintaining native Windows desktop applications at Speechify. The role is based in Seoul, South Korea. What You Will Do Design, architect, and develop native Windows desktop apps using Windows App SDK, WinUI (or similar frameworks), C#, XAML, and occasionally C++. Establish and maintain standards for Windows desktop development, emphasizing code architecture, performance, memory management, responsive UI, cross-version compatibility (Windows 10/11+), and long-term maintainability. Drive accessibility by integrating and validating support for accessibility APIs such as Microsoft UI Automation. Ensure UI controls, focus management, keyboard navigation, and screen reader support meet the needs of users with disabilities. Work closely with product designers, UX researchers, QA, and other stakeholders to shape feature planning, UI/UX architecture, and the roadmap for the Windows platform. Manage the full feature lifecycle: from concept and design through implementation, testing, release, and ongoing maintenance, always focusing on quality and reliability. Troubleshoot and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility challenges. Propose architectural or design solutions as needed.

Apr 20, 2026
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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

Nov 3, 2025
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Wayve logo
Full-time|On-site|Seoul

Join Wayve as a Principal Application Software Engineer and play a pivotal role in developing cutting-edge applications that shape the future of technology. This position offers an exciting opportunity to influence project directions, mentor junior engineers, and collaborate with cross-functional teams to deliver robust software solutions.As a Principal Engineer, you will leverage your extensive experience in software development to lead initiatives, optimize performance, and ensure high-quality deliverables. Your expertise will be essential in driving innovation and integrating the latest technologies into our platforms.

Mar 25, 2026
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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.

Apr 2, 2026
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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.

Apr 6, 2025
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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.

Apr 24, 2025
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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.

May 16, 2025
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Neural Concept logo
Full-time|On-site|Seoul, Korea

Neural Concept creates AI-driven tools for engineering and design teams, with a focus on 3D deep learning and engineering intelligence. The company’s platform supports clients in automotive, aerospace, and energy as they improve product design processes. Based in Seoul, Neural Concept works with industry leaders to solve engineering challenges and speed up innovation. Role overview The Machine Learning Application Engineer role bridges engineering and artificial intelligence. This position is part of the ML Application Engineering team and involves direct collaboration with clients throughout Korea. The focus is on understanding each client’s technical needs and delivering practical, tailored solutions. Daily work includes close interaction with engineering and design teams as they adopt AI and machine learning in their product development cycles. What you will do Partner with customer engineering teams to manage projects, analyze and process engineering data using the Neural Concept platform and Python libraries, and develop custom workflows. Design and implement machine learning and deep learning solutions for engineering and physics challenges, including building proofs-of-concept for CAD, CAE, and manufacturing applications. Train client teams on Neural Concept’s platform and methods, ensuring smooth integration of AI into their workflows. Work with internal developers by sharing customer feedback and helping improve the product. Requirements Strong drive to address real-world engineering problems using machine learning and automation. Master’s or PhD in Engineering, Applied Mathematics, or Physics. Solid grasp of engineering fundamentals and machine learning techniques. Location Seoul, Korea

Apr 23, 2026
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Applied Intuition, Inc. logo
Full-time|On-site|Seoul, Seoul, South Korea

About Applied IntuitionApplied Intuition, Inc. is at the forefront of advancing physical AI, providing the essential digital infrastructure required to equip every moving machine on Earth with intelligence. Established in 2017 and currently valued at $15 billion, this Silicon Valley-based firm serves various sectors, including automotive, defense, trucking, construction, mining, and agriculture, through three primary domains: tools and infrastructure, operating systems, and autonomy. Trusted by eighteen of the world's top twenty automotive manufacturers, as well as the United States military and allied forces, Applied Intuition is headquartered in Sunnyvale, California, with a global presence that includes offices in Washington, D.C.; San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. Discover more at applied.co.We maintain an in-office work environment, expecting our employees to primarily work from the Applied Intuition office five days a week. We also value flexibility and trust our employees to responsibly manage their schedules, which may include occasional remote work, starting the day with morning meetings from home, or leaving early for family commitments.About SeoulSince entering the Korean market in 2020, Applied Intuition has rapidly expanded its team and forged strategic partnerships with leading Korean automotive OEMs. Our Seoul location, situated in the vibrant Gangnam district, employs over ten talented individuals from prestigious companies such as LG, Ansys, Unity, and more.About the RoleWe are on the lookout for a skilled Application Engineering - Technical Program Manager to lead critical multi-disciplinary engineering initiatives from inception to completion. This role will require strong leadership, communication, planning, and engineering expertise to manage the growing complexity of our product releases and client requests. The ideal candidate will possess extensive experience in guiding complex projects to successful outcomes.

Mar 17, 2026
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FuriosaAI logo
Full-time|On-site|Seoul HQ

About the RoleJoin FuriosaAI as a Field Application Engineer (FAE), where you will play a pivotal role in connecting our clients with our internal engineering teams. Your expertise will be essential in addressing both hardware and software challenges, primarily focusing on our advanced AI processors, especially within Linux and PCIe-based NPU systems. This position is particularly suited for enthusiastic individuals eager to learn and adapt in the rapidly evolving AI technology landscape.As an FAE, you will work closely with international clients, necessitating strong English communication skills and a willingness to travel globally. Candidates with experience in fabless semiconductor firms or server manufacturing (ODM/OEM), especially in test engineering, are highly favored.If you have a passion for AI hardware and are excited to solve intricate challenges in a dynamic setting, we encourage you to apply.Key ResponsibilitiesCollaborate with customers to identify, analyze, and resolve technical issues in AI hardware and software systems.Provide technical advice on integrating FuriosaAI's AI processors into customer systems, with a focus on PCIe and Linux environments.Conduct product testing, troubleshooting, and debugging to guarantee customer satisfaction.Gather and relay customer feedback to enhance product quality and user experience.Deliver technical training and support to customers throughout and following product deployment.Represent FuriosaAI's solutions at technical meetings, trade shows, and other industry-related events.

Oct 3, 2025
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42dot logo
Full-time|On-site|Pangyo (Software Dream Center), South Korea

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

Apr 16, 2026
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Upstage AI logo
Full-time|Remote|Remote job

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

Dec 14, 2025
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zoyi logo
Full-time|On-site|Seoul

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.

Aug 5, 2025
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furiosa-ai logo
Full-time|On-site|Seoul HQ

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.

Nov 20, 2025
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Toss logo
Full-time|On-site|Seoul

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.

Mar 23, 2026
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asm logo
Full-time|On-site|South Korea > Hwaseong

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.

Apr 9, 2026

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