Principal Engineer, Firmware Engineering

Join Our Dynamic Team! As a DevOps Engineer at Toss, you will be part of our SRE and DevOps team, collaborating closely with Server Developers. Your role will revolutionize the deployment process, utilizing various technologies and tools to empower developers to deploy services efficiently. In the event of incidents, you will identify root causes through insightful metrics, helping to create a robust system enabling all developers to respond swiftly to issues. By leveraging Kubernetes and the Cloud Native ecosystem, you will enhance large-scale systems. Key Responsibilities: While last year focused on improving operational efficiencies, we are now concentrating on removing bottlenecks that hinder developer experiences. You will handle monitoring, incident response, and troubleshooting tasks. Continuously analyze and enhance the developer experience and oversee the development and operations of processes. Who We Are Looking For: Experience in container orchestration is highly desirable due to the nature of the role. We seek individuals with a proven track record in network troubleshooting, as it is a critical area. Experience in automating engineering processes or creating tools for improvement is essential. At Toss, collaboration is key; therefore, the ability to identify and eliminate inefficiencies based on your engineering experience is crucial. Resume Recommendations: Detail your experience with Kubernetes and Istio-based infrastructure management. Share your expertise in establishing and operating metric systems in large distributed environments. Include your experience with container-based services and CI/CD server management. Highlight any experience with AWS cloud services. Technologies We Use: Java Spring Framework, JPA/Hibernate, Gradle Jenkins, Git, Docker, Kubernetes + Istio Kafka, Elastic, InfluxData, Grafana, Memcached Your Journey with Toss: Application submission > First-round technical interview > Second-round technical interview > Cultural fit interview > Reference check > Compensation negotiation > Final offer and onboarding.

Join Our Dynamic Team! The DevOps team at Zoyi is dedicated to enabling the product teams to swiftly and reliably deliver value through the establishment and management of a trustworthy infrastructure and self-service development platform.As the closest technical partner to the ChannelTalk product team, we tackle the repetitive and complex issues that arise during development, deployment, and operations, solving them through platform enhancements and automation.We are not merely a support organization for specific teams; instead, we standardize proven methodologies from the field to create a foundation that allows all product teams to independently develop, deploy, and monitor their applications.If you’re eager to enhance the intersection of technology and organizational practices across infrastructure, platforms, and products, we invite you to apply to the DevOps team!

Join Normal Computing | Unlock Exciting OpportunitiesAt Normal Computing, we create cutting-edge software and hardware solutions that drive technological advancements, particularly in the semiconductor sector, AI infrastructure, and the systems that shape our future. Our collaborative team spans across New York, San Francisco, Copenhagen, Seoul, and London, working together to achieve remarkable goals.Your Impact:We are on the lookout for a passionate DevOps Software Engineer to architect and implement high-performance cloud infrastructure and services. This position presents a unique chance to directly engage in pioneering AI projects within one of the most critical industries — Semiconductors. While previous experience in AI Engineering or the Semiconductor field is appreciated, it is not a prerequisite.Crafting, developing, and managing infrastructure for Normal’s innovative products, automating the development lifecycle, and ensuring system reliability within our Linux environment.Partnering with product and AI teams to establish and enforce DevOps best practices.Deploying and overseeing Normal’s product stack in client environments.Engineering and executing Continuous Integration/Continuous Deployment (CI/CD) pipelines for software and data workflows, incorporating security measures and policy compliance.Implementing best practices for logging, monitoring, and alerting, managing credentials, and ensuring adherence to regulatory standards (e.g., SOC2).Executing ongoing improvements, maintenance, and upgrades across all of Normal’s infrastructure.

Join Our Dynamic Team As a DevOps Engineer at Toss Securities, you will be an integral part of our DevOps & SRE team. You will innovate the deployment process by applying various technologies and tools, enabling developers to deploy services with ease. In the event of system failures, you will derive intuitive metrics to identify root causes, ensuring all developers can respond swiftly to incidents. Utilizing Kubernetes and the Cloud Native ecosystem, you will enhance large-scale systems to their fullest potential. Your Responsibilities Will Include Previously focused on improving operational experience, we are now dedicated to eliminating fatigue and inefficiencies in the development experience. You will manage monitoring, incident response, and troubleshooting tasks, continuously analyzing developer experiences and overseeing the development and operational enhancements. We Are Looking For Candidates Who Have relevant experience in container orchestration, as it is a primary responsibility of this position. Possess experience in network troubleshooting, as this is a challenging aspect of the role. Can automate engineering experiences or create tools for improvements within their current organization. Thrive in a collaborative environment where teamwork is key, and can identify and eliminate inefficient processes based on their engineering experiences. Resume Recommendations Outline your experience managing infrastructure based on Kubernetes + Istio. Detail your experience building and operating metric systems in large-scale distributed environments. Include your experience in operating services based on container orchestration and CI/CD servers. Mention your experience with AWS cloud services. Technologies Used at Toss Securities Kotlin, Java, Gradle Netty, Spring MVC, Spring Webflux, Spring Boot, Spring Cloud Gateway, Spring Cloud Config JPA/Hibernate, MySQL, MongoDB, Hadoop, Redis, Memcached, Zookeeper Kubernetes + Istio, HAProxy, Nginx GoCD, ArgoCD, Consul, Vault, Git, Docker, Spinnaker, Jenkins, Ceph, Harbor Kafka, ELK, Prometheus + Thanos, InfluxData, Grafana

Join Our Team!Tossplace is on an exciting journey to create a new offline payment ecosystem. As a member of our DevOps team, you will play a pivotal role in transforming the offline market from the ground up.We are enhancing a Kubernetes-based Cloud Native platform to enable developers to deploy services more quickly and securely, while maintaining a resilient system.You will work on a server platform team that ensures rapid recovery from service disruptions and provides robust support for stable operations.Our team does not merely maintain infrastructure; instead, we cultivate an environment that empowers developers to experiment and deploy safely and efficiently.As a DevOps Engineer, you will collaborate closely with server platform developers, SREs monitoring service performance, and the Data Platform Team operating data pipelines.

Join Us in Conquering Cancer Through AILunit, an innovative healthcare AI company, is dedicated to developing advanced solutions for cancer diagnosis and treatment. Our mission is to leverage artificial intelligence to facilitate more accurate cancer diagnoses and predict treatment outcomes, paving the way for personalized and timely patient care. About Our TeamThe Lunit DevOps team is responsible for designing, implementing, and enhancing the infrastructure and platforms that ensure our services operate reliably and efficiently. We work collaboratively with development teams to tackle challenges related to deployment, operations, observability, security, and cost management as our services scale.We prioritize not only immediate incident response but also proactive enhancements to reduce future occurrences. Our efforts include refining CI/CD processes, standardizing deployment methods, and optimizing monitoring, logging, and tracing capabilities through Infrastructure as Code (IaC). About the RoleAs a DevOps Engineer, you will manage and optimize a Kubernetes-based infrastructure and deployment environment to ensure swift and secure service delivery. Your role will encompass improving operational practices and automation while balancing short-term responses with long-term enhancements, contributing to impactful changes in our services. Key ResponsibilitiesManage and respond to incidents in Kubernetes-based services and platforms.Oversee infrastructure and deployment changes using IaC (Terraform) and GitOps (ArgoCD/Helm).Enhance observability through effective monitoring, logging, and alerting systems.Strengthen CI/CD pipeline reliability and deployment stability.Analyze and optimize resource usage, costs, and performance issues.

About the Team You Will JoinThe DevOps Engineer at Toss is part of the SRE & DevOps team, collaborating closely with Server Developers.You will innovate the deployment process by applying various technologies and tools for DevOps, enabling developers to deploy services with ease.We build a robust system that allows all developers to respond quickly to incidents by deriving intuitive metrics to identify root causes during outages.Actively leverage Kubernetes and the Cloud Native ecosystem to enhance large-scale systems.Your Responsibilities Upon JoiningWhile we focused on improving operational experiences last year, our recent efforts target the removal of inefficient funnels that burden developers’ experiences.You will be responsible for monitoring, incident response, and troubleshooting tasks.Continuously analyze developers’ work experiences and manage the development, operations, and enhancement of processes.We Are Looking for Someone WhoHas experience related to container orchestration, as it is one of the main duties.Can tackle network troubleshooting challenges, as this is one of the most complex aspects.Has experience in automating engineering tasks or developing tools to improve the current organization.Shares Toss's collaborative work philosophy, where we work toward common goals rather than directing others, and possesses the insight to eliminate inefficient funnels based on their engineering experience.Resume RecommendationsIt would be beneficial to mention experience in operating infrastructure based on Kubernetes + Istio.Detail your experience in building and operating metric systems in large-scale distributed environments.Include your experience in operating container-based services and CI/CD servers.Experience with AWS cloud services is also advantageous.Please NoteIndustrial function personnel can switch from active duty or be newly assigned/reassigned as supplementary personnel, while professional research personnel can only be reassigned.Technologies Used at TossJava Spring Framework, JPA/Hibernate, Gradle

CLO Virtual Fashion is at the forefront of the digital fashion revolution, providing comprehensive services related to clothing from conception to design, manufacturing, marketing, fitting, and styling, all powered by cutting-edge 3D clothing simulation algorithms.Founded in 2009, CLO Virtual Fashion is pioneering a new ecosystem for digital fashion. With innovative clothing design software including CLO, Marvelous Designer, and Jinny, along with specialized platforms such as CLO-SET and CONNECT, we are dedicated to creating efficient and sustainable workflows throughout the garment lifecycle. Our solutions enable real garments and digital clothing to be seamlessly integrated and tagged within the CLO system.As a leader in the global digital fashion market, CLO Virtual Fashion operates 16 offices across 13 countries, including Asia, North America, Europe, and South America, continually expanding our reach through a diverse clientele.Position OverviewAs our services grow, so does the complexity of our infrastructure. We are in search of a dedicated DevOps Engineer capable of ensuring stable operations while automating repetitive tasks and systematically managing our infrastructure. We value individuals who can identify problems, propose solutions, and take responsibility for implementation. We look forward to welcoming team members who actively share knowledge and strive to enhance our development environment.

Role overview Zeeco, Inc. seeks a Controls Engineer based in Seoul. This position centers on designing, implementing, and maintaining control systems used in industrial settings. The work plays a key part in optimizing processes while meeting strict standards for safety and efficiency. What you will do Design and implement control systems for a range of industrial projects Maintain and troubleshoot existing control systems to ensure reliable operation Collaborate with teams from different disciplines to enhance processes Contribute to safety and efficiency initiatives across multiple projects Impact Projects at Zeeco, Inc. often address complex industrial challenges and have a global reach, requiring practical and innovative solutions.

Role overview The Compiler team at FuriosaAI builds the software stack that enables machine learning models to run efficiently on the company’s AI accelerator hardware. This Software Engineer - Compiler (AX Engineer) role is a new position based at the Seoul headquarters. The focus is on developing and refining AI-assisted engineering workflows, identifying bottlenecks, running experiments, and building tools and guides that the team can use repeatedly. While the role is part of the Compiler team, deep compiler expertise is not required. Daily work includes code reviews, debugging, CI and testing, documentation, and project management. This position is a good fit for someone who enjoys shaping new roles and working through open-ended challenges. What you will do Identify challenges and opportunities in engineering workflows, including development, code review, debugging, CI/testing, documentation, and project delivery. Research, prototype, and benchmark AI and automation tools, such as coding agents, LLM-assisted reviews, and debugging assistants, using real team workflows. Create and maintain prompt libraries, workflow templates, and integration guides tailored to team needs. Improve CI/testing feedback and signals with the goal of reducing flaky tests and streamlining failure triage. Lead onboarding sessions and regular Q&A meetings to share knowledge about new tools. Define and track metrics like PR cycle time, review turnaround, regression triage time, and CI flakiness, iterating based on findings and team feedback. Stay current on developments in the AI tooling ecosystem and keep the team informed about relevant updates. Requirements At least 3 years of experience in software engineering. Hands-on experience with LLM-based coding tools (such as GitHub Copilot, Cursor, Claude Code, or Codex). Strong understanding of software development workflows from an engineer’s perspective. Ability to quickly evaluate new tools and provide practical guidance to the team. Preferred qualifications Bachelor’s degree in Computer Science or a related field.

SanDisk is seeking a talented and motivated Staff Engineer in Firmware Engineering to join our innovative team. In this role, you will leverage your expertise in firmware development to design, implement, and optimize firmware solutions for cutting-edge storage technologies. You will collaborate closely with cross-functional teams to deliver high-quality products that meet customer needs and drive business growth.

At Coupang, we are dedicated to delivering an extraordinary experience to our customers, who often ask, “How did we ever live without Coupang?” Our passion for making shopping, dining, and daily living easier has driven us to disrupt the multi-billion-dollar e-commerce industry from its roots. As one of the fastest-growing e-commerce platforms, we have earned a reputation as a dominant and dependable player in South Korea's commerce landscape. We pride ourselves on merging the agility of a startup culture with the robust resources of a large global public company. This unique blend empowers us to accelerate our growth and introduce innovative services at an unprecedented pace. Our team is filled with entrepreneurial spirits, constantly exploring new initiatives and innovations. At Coupang, you will witness your personal growth alongside that of your colleagues, your team, and the company. Our mission is to shape the future of commerce, pushing the limits of what is possible to tackle challenges and redefine traditional trade-offs. Join Coupang today to craft an unparalleled experience in this always-on, high-tech, and hyper-connected world. Role Overview: As a pivotal member of the Growth Engineering team, your primary objective will be to enhance the number of transacting customers while simultaneously increasing their purchase frequency and lifetime value. You will develop and refine core platforms and services that drive Coupang's growth and marketing efficiency. Our portfolio includes various platforms such as the Search Advertising Platform, Affiliate Platform, Display Targeting & Re-targeting Platform, CRM, Audience Platform, and Push Marketing Platform, among others. Opportunities for machine learning span areas like targeting, personalization, product & offer recommendations, budget optimization, real-time bidding, and fraud detection. In your role as a Staff Engineer, you will lead the architecture and development of a next-generation CRM platform, ensuring it provides comprehensive campaign management, from planning and target customer selection to promotion optimization and performance measurement. You will design a real-time decision engine to empower downstream services across the Growth Engineering ecosystem. Your technical expertise will play a crucial role in enhancing Coupang’s data-driven capabilities, aligning innovation with our strategic business goals.

About Coupang At Coupang, we are dedicated to delivering an extraordinary experience for our customers. Our vision is to create a world where customers wonder, “How did we ever live without Coupang?” With a deep commitment to transforming shopping, dining, and living, we are redefining the multi-billion-dollar commerce landscape in South Korea, establishing ourselves as a trusted leader. We take pride in our unique blend of a vibrant startup atmosphere supported by the resources of a large global public company. This combination empowers us to grow continuously and roll out new services at an unprecedented pace. We foster an entrepreneurial spirit, offering ample opportunities to drive innovative initiatives. Here at Coupang, you will witness personal, team, and company growth daily. Our aspiration to redefine the future of commerce is tangible. We challenge conventional boundaries to address challenges and innovate beyond traditional limitations. Join us at Coupang to shape a remarkable experience in this ever-connected, high-tech world. Role Overview: In our Growth Engineering division, we focus on expanding our customer base and enhancing purchase frequency and lifetime value. We develop essential platforms and services that enhance Coupang’s growth and marketing capabilities. Our portfolio includes the Search Advertising Platform, Affiliate Platform, Display Targeting & Retargeting Platform, CRM, Audience Platform, Push Marketing Platform, and various fundamental marketing services for user profiling, landing, tracking, and attribution. We utilize machine learning across these platforms for targeting, personalization, product recommendations, budget optimization, real-time bidding, creative enhancement, fraud detection, and more. As a Senior Staff Engineer in Coupang’s Growth Engineering team, you will play a crucial role in designing and developing a state-of-the-art CRM platform. You will spearhead projects to ensure the platform facilitates comprehensive campaign management, including campaign planning, customer targeting, promotion optimization, product selection, creative management, landing page creation, and campaign performance evaluation. Your role will involve designing a real-time decision engine that supports downstream services throughout the Growth Engineering ecosystem. Your expertise will be pivotal in advancing Coupang’s data-driven capabilities, aligning technical advancements with strategic business goals. Key Responsibilities:

Join On Running as a Lead Industrialisation Engineer to drive the optimization of our manufacturing processes. You will be responsible for leading initiatives that enhance product quality and production efficiency. Collaborate with cross-functional teams to implement innovative solutions and ensure our production aligns with On's commitment to excellence.

Role SummaryAs a Principal Engineer in Systems Design Engineering, you will take full ownership of the end-to-end PCIe system design for our NVMe SSD product line. This encompasses client laptops and enterprise servers, guiding the process from PHY/MAC review through ASIC/SoC integration, PCIe SFR/register analysis, and establishing firmware design guidelines that ensure robust link training, link transitions, and low-power behavior. This pivotal role sits at the intersection of PCIe specification compliance, NVMe operational behavior, firmware architecture, platform interoperability, and power/performance optimization.Key Responsibilities· Lead the architecture of system-level PCIe Gen5/Gen6 from an NVMe SSD endpoint perspective.· Define and oversee PCIe + NVMe integration across various SSD products.· Conduct PHY + MAC IP reviews, establishing integration requirements and constraints.· Manage SoC/ASIC integration, including clocks, resets, power domains, straps, lane mapping, and sidebands.· Develop PCIe SFR + firmware guidelines covering flow control, LTSSM observability, power states, and error handling.· Oversee link and low power transitions, including DLRM, L1, L1SS, L0p, ASPM, clock-down, and APST coordination.· Facilitate bring-up and debugging processes: enumeration, speed negotiation, width detection, stability, and AER/error recovery.· Tune customer requirements focusing on latency/power, performance, reliability, and consistency.· Provide expert knowledge regarding PCIe configuration and extended capability registers.· Act as the technical authority for cross-team and customer escalations.Detailed Responsibilities (End-to-End PCIe for NVMe SSD)1. PHY/MAC IP Review (System Design Perspective)· Understand criteria for PHY/MAC/controller IP, including Gen5/Gen6 readiness and equalization capability.· Review IP documents for compliance features and link speed support.· Specify platform-facing requirements such as retimer/redriver compatibility.2. ASIC/SoC Integration Ownership· Integrate PCIe subsystems focusing on clock handling, reset behavior, and power domains.· Define lane policies for NVMe, including width detection and recovery strategies.

Coupang is revolutionizing the shopping experience, aiming to impress every customer from the moment they launch the Coupang app to when their order arrives at their doorstep. With an exceptional end-to-end e-commerce and logistics network, coupled with a relentless focus on customer satisfaction, Coupang has eliminated the traditional trade-offs related to speed, selection, and pricing. We offer incredibly fast shipping on millions of items, including fresh groceries, delivered within hours, 365 days a year, to millions of consumers across Korea. As one of the largest and rapidly growing e-commerce markets globally, Korea presents immense opportunities.Recognized by MIT Technology Review as one of the '50 Smartest Companies in the World' and featured in Forbes magazine's '30 Global Game Changers,' Coupang was ranked second on CNBC’s ‘Disruptor 50’ list in 2020.Job OverviewCoupang Pay is transforming the digital payments landscape at scale—facilitating millions of secure transactions daily across Coupang.com, Coupang Eats, and our network of merchants and partners. We are developing fast, reliable, and innovative fintech solutions that cater to consumers and businesses in Korea and beyond.We are in search of a Senior Staff Software Engineer who is both a visionary technical leader and a practical builder. This position combines architectural oversight, full-stack development, and distributed systems expertise to create payment systems characterized by industry-leading scale, reliability, and speed.

At Zeeco, we cultivate a dynamic and supportive work environment where professionals from engineering to support roles thrive. Our strong culture, coupled with comprehensive leadership training and ample growth opportunities, sets the stage for success. Collaborating with industry giants, we empower our team members to enhance their skills while working alongside experts in their fields.Key ResponsibilitiesExecute engineering projects related to combustion equipment in the petrochemical, power generation, and offshore plant sectors.Manage project timelines, oversee technical document review and management, and handle cost management.Engage in technical discussions and communication with clients and partner companies. QualificationsMinimum of 1 year of design or engineering experience in petrochemical, power generation, or offshore plant projects. Preferred QualificationsDegree in Mechanical Engineering, Chemical Engineering, Energy Engineering, or a related field.Experience with combustion equipment or boiler systems projects.Ability to write technical documents and communicate effectively in English.

About the Role Jensen Hughes is hiring a Fire Engineer in Seoul, South Korea. This position focuses on designing fire protection systems and performing risk assessments for a range of infrastructure projects. The work supports safety and compliance across diverse environments. What You Will Do Create and review fire protection system designs Conduct risk assessments to evaluate fire safety for buildings and facilities Work closely with other professionals in the fire safety field About Jensen Hughes Jensen Hughes is recognized worldwide for expertise in safety, security, and risk-based engineering. The team brings together specialists committed to developing practical solutions for fire safety challenges.

Join Wabtec Corporation as a Sales Engineer, where you will play a crucial role in driving sales initiatives and supporting our clients with technical expertise. You will collaborate closely with our engineering and sales teams to deliver tailored solutions that meet customer needs.