Embedded Software Quality Engineer

Join Our Team!- The Device Team is responsible for the entire product lifecycle of payment terminals, including planning, development, mass production, and operational quality.- Collaborate with Device Product Managers, Hardware Engineers, Device Software Engineers, Firmware Engineers, and Android Developers to enhance product completeness.- This position focuses on QA validation while also contributing to release quality and quality systems.Your Responsibilities:1 QA Engineering — Execute product quality validation and testing- Design and conduct functional/system tests for software integrated with hardware.- Analyze requirements and changes from a quality perspective, establishing test priorities based on risk.- Perform validations on a release basis and clearly communicate discovered issues to developers and PMs.- Evaluate and track the severity and impact of issues.2 Test Improvement — Enhance testing efficiency and quality- Automate repetitive smoke/regression tests to improve validation efficiency.- Review test coverage and continuously address any gaps.- Measure and track key quality metrics with each release, collaborating with the team to establish quality standards.- Utilize AI tools to enhance QA engineering efficiency in test design, log analysis, and report generation.3 Field Issue Support — Analyze field issue support- Analyze customer service issues and field data to identify defect patterns and root causes.- Validate issues arising in the field through reproduction testing and contribute to the improvement process.- Convert recurring field issues into test cases to broaden validation coverage.Ideal Candidate:- At least 3 years of experience as a Software QA or Test Engineer.- Proven experience designing and executing various tests, including functional and integration testing.- Ability to clearly reproduce issues and analyze their causes for effective communication.- Strong communication skills to work effectively with developers and PMs.Preferred Qualifications:- Experience in QA for embedded devices such as payment terminals, POS systems, or Android-based products.- Familiarity with test automation tools or scripting experience.- Experience in managing QA processes using issue tracking tools (e.g., Jira).- Experience operating release gates (validation before OTA distribution, quality monitoring post-distribution).Your Journey with Tossplace:- Application submission > Job interview > Cultural fit interview > Reference check > Compensation discussion > Final offer and onboarding.A Note for Future Colleagues:“You will have the opportunity to create tests that set the standard for product quality.”- Beyond just finding bugs, you will experience the full spectrum of QA engineering, from test design to quality metric management.

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 UsJoin us at Twelve Labs as we set the global standard for video understanding AI! We are dedicated to transforming vast amounts of video data into exceptional AI solutions that specialize in search, analysis, summarization, and insight generation.Our advanced AI models are utilized by the world’s largest sports leagues to swiftly and accurately identify highlights, offering a highly personalized viewing experience. In South Korea, integrated control centers depend on our technology to navigate CCTV footage efficiently during emergency situations. Major broadcasters and studios worldwide leverage our models to create content for billions of viewers.Based in San Francisco and Seoul, Twelve Labs is a leading Deep Tech startup that has been recognized as one of the top 100 AI startups globally by CB Insights for four consecutive years. With over $110 million in investments from renowned VCs and companies such as NVIDIA, NEA, Index Ventures, Databricks, and Snowflake, we are proud to be the only AI model developed in Korea that is serviced through Amazon Bedrock. We are committed to building exceptional products with outstanding colleagues and growing alongside our global clientele.At Twelve Labs, we thrive on core values such as:A mindset of honesty and reflection towards ourselves and our teamsPerseverance and humility in facing failures and feedbackA commitment to continuous learning to enhance team capabilitiesIf you enjoy tackling challenging problems and growing through the process, the opportunities at Twelve Labs await you.Team OverviewOur Quality Engineering team plays a pivotal role in ensuring the quality of Twelve Labs’ multimodal AI models and services through automated testing systems and sophisticated quality validation processes, contributing significantly to reliable and trustworthy product development.Role OverviewAs a Software Engineer focusing on Quality, you will be an essential engineer responsible for ensuring the reliability and quality of our AI systems. You will closely collaborate with the development team from the early stages, establishing testing strategies and building automated testing infrastructures.We utilize Python and TypeScript to develop our testing code, employing tools like Pytest, Jest, and Playwright to conduct automated tests across APIs, UIs, and SDKs. Additionally, we configure and operate the necessary infrastructure (AWS services such as EKS, Lambda, S3) for executing functional tests, as well as performance testing (using Locust) and model quality assessments.You will coordinate the testing scope in line with the development cycle, write test cases once the development scope is confirmed, perform tests, and share results, ensuring our products and models are delivered reliably to users.Key ResponsibilitiesDevelop and maintain automated testing for APIs, UIs, and SDKs using Pytest, Jest, and PlaywrightCollaborate closely with development teams to establish testing strategies, incorporating testing perspectives from the functional definition stageConfigure and manage testing infrastructure (EKS, S3, Lambda, etc.)Write and execute test cases, reporting on testing outcomesConduct load and response testing using performance testing tools (e.g., Locust)Ideal Candidate ProfileExperience in test automation using Python and TypeScriptProficiency with automated testing frameworks and tools (e.g., Pytest, Jest, Playwright)Familiarity with AWS services and infrastructure managementStrong problem-solving skills and collaboration abilities

About UsJoin us in setting a global standard for AI in video understanding!At Twelve Labs, we are developing state-of-the-art AI models specialized in video processing, enabling advanced search, analysis, summarization, and insight generation from vast amounts of video data.Our models are utilized by the world's largest sports leagues to swiftly and accurately highlight content from extensive match footage, delivering an ultra-personalized viewing experience. Additionally, integrated control centers in South Korea leverage our technology for efficient CCTV video exploration to respond to crises swiftly. Major broadcasters and studios worldwide harness our models to create content for billions of viewers.Twelve Labs, a deep tech startup with offices in San Francisco and Seoul, has been recognized as one of the world's top 100 AI startups by CB Insights for four consecutive years. We have secured over $110 million in investments from leading VCs and corporations such as NVIDIA, NEA, Index Ventures, Databricks, and Snowflake. Our AI model, uniquely developed in Korea, is available through Amazon Bedrock. We thrive on collaboration with exceptional peers to create innovative products and grow alongside our global clientele.Our core values include:Honesty and reflection regarding ourselves and our team.A spirit of resilience and humility that doesn’t fear failure or feedback.A commitment to continuous learning to enhance team capabilities together.If you enjoy solving challenging problems and growing through collaboration, your opportunity awaits at Twelve Labs.About the TeamOur team focuses on multimodal representation learning and production serving. We integrate various modalities like video, audio, and text into a unified embedding space, ensuring stable serving to thousands of global customers.We conduct experiments on multimodal embedding models within a large-scale distributed learning environment, taking responsibility for the end-to-end process of transforming research findings into real-time inference systems. Leveraging top-tier GPU resources such as the NVIDIA B300, we minimize the transition cycle from research to production.In our rapid development cycles, we collaborate closely with Research, Product, and Infrastructure teams to create significant technical impacts, delivering research outcomes to customers globally within months.Role OverviewKey ResponsibilitiesDesign and optimize large-scale distributed learning pipelines for multimodal embedding models.Enhance the inference performance of embedding models in production environments (throughput, latency, cost-efficiency).Design and build vector search systems and embedding serving infrastructure.Improve and automate the ML pipeline covering model development, training, and serving to facilitate rapid transitions to production.Address applied research challenges such as data filtering and evaluation metric design to enhance model quality and user experience.Explore and experiment with AI-based development tools like Claude and Gemini to boost development productivity.Collaborate closely with Research, Product, and Infrastructure teams, taking ownership of the end-to-end process to deliver models to actual customers.Ideal Candidate ProfileResearch or development experience in computer vision, natural language processing, or multimodal learning.Proficiency in Python and PyTorch, with experience in model training within large-scale distributed environments.Experience with embedding models, vector search systems, and advanced ML techniques.

Key ResponsibilitiesDevelop and sustain ROM code along with software for early system initialization.Port and tailor Arm Trusted Firmware (TF-A / TF-M) to meet project needs.Implement essential system trust primitives including Secure Boot, firmware updates, and RoT components.Work closely with hardware teams for effective SoC bring-up, low-level debugging, and silicon validation.Design system-level software with a focus on performance, reliability, and security requirements.

About UsAt TwelveLabs, we are at the forefront of creating innovative multimodal foundation models that can interpret videos with human-like understanding. Our groundbreaking models elevate the standards in video-language modeling, enabling intuitive interactions and comprehensive analyses of diverse media formats.With over $110 million secured in Seed and Series A funding, we are supported by leading venture capital firms such as NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, along with esteemed AI pioneers like Fei-Fei Li, Silvio Savarese, and Alexandr Wang. Our headquarters are based in San Francisco, with a significant presence in Seoul, reflecting our dedication to global innovation.Our collaboration with NVIDIA and AWS grants us access to cutting-edge chips, including B300s, empowering us to expand the possibilities in video AI.We cherish the diverse journeys of our team members, believing that our varied cultural, educational, and life experiences are key to challenging the status quo. We seek passionate individuals eager to impact the technology landscape and help us redefine video understanding and multimodal AI.Team OverviewThe Embedding & Search team is integral to TwelveLabs' video understanding initiatives. We craft unified embedding spaces that encompass video, audio, text, and other modalities, and develop retrieval systems designed to deliver precise results that align with user intent across extensive video catalogs.Our research encompasses a wide array of challenges including multimodal representation learning via contrastive and probabilistic methods, temporal video understanding—focusing on hierarchical segmentation and boundary detection—neural ranking architectures for multi-stage retrieval, and modeling user behavior to gain insights into how users search for and engage with video content. We prioritize both algorithmic advancements that set new benchmarks and human-centric insights that enhance the utility of our systems.Our research team benefits from access to state-of-the-art chips like NVIDIA B300s, which accelerate our research-to-production transitions.

Our MissionAt Miso, we are dedicated to improving everyday offline experiences through innovative technology. Our mission is to enhance the lives of our users in real-world scenarios.We believe in working hard on the right things, prioritizing our customers, and holding ourselves to the highest standards in everything we do.About MisoMiso is the leading O2O home service platform in South Korea, striving to offer 'Hotel-like service in your home.' Our vision is to provide an array of experiences that elevate offline living. Just as customers turn to Amazon or Coupang for products, they can rely on the Miso app for quick and seamless solutions for cleaning, moving, and renovations.Since our inception in 2016, we have expanded beyond home cleaning to include moving, pet sitting, and interior design, achieving 2X growth year-over-year. With over 180 services currently in operation, we invite you to join us on this explosive growth journey.With a total investment of approximately 13 billion KRW (including 3.1 billion KRW from Silicon Valley's Y Combinator), we successfully turned a profit in 2022, boasting a cumulative order count of 5 million and a total transaction value of 350 billion KRW. As of January 2023, our transaction value surpassed 20 billion KRW, with consistent annual growth.Explore more about Miso Makers:- Miso Blog- Notion- YouTube Channel- CEO Interview

Key ResponsibilitiesCraft and implement a robust end-to-end security architecture tailored for SoC-based products.Develop features for Secure Boot and Anti-rollback mechanisms.Manage Key Provisioning alongside Hardware Root of Trust.Oversee Secure Lifecycle State management (LCS) for firmware, keys, and devices.Design and integrate security modules to enhance firmware and system-level defenses.Conduct thorough vulnerability assessments, attack surface evaluations, and implement memory protection hardening strategies.Integrate, validate, and optimize hardware cryptographic engines including AES/GCM engines, TRNG, PKA, RSA, PQC, and hash accelerators.Establish secure firmware update and rollback protocols along with comprehensive product lifecycle controls.QualificationsDeep understanding of embedded security principles, including Secure Boot, key management, and cryptography.Demonstrated experience with TLS, X.509, ECC, AES, and various cryptographic or security libraries.Proficient in C/C++ or Rust for developing secure system software.Experience identifying and analyzing security vulnerabilities in SoC/FPGA-based systems.Practical experience with hardware cryptographic engines and security IP blocks (e.g., AES/GCM, SHA accelerators, TRNG/DRBG, PKA).Solid understanding of firmware and key lifecycle management.Preferred QualificationsFamiliarity with TPM, HSM, TrustZone, OP-TEE, or related hardware security architectures.Experience in implementing secure firmware signing, provisioning, and deployment pipelines.Background in validating cryptographic engines under standards such as FIPS 140-3, NIST CMVP.Security engineering experience specifically for AI accelerators, networking chips, or SoCs.Contribute to development practices aligned with standards such as FIPS, PSA Certified, CAVP, and CMVP.

Join Our Dynamic Team The Device Hardware Quality Engineer position at Toss Place involves collaboration with Device Owners, Hardware Engineers, Embedded Software Engineers, Firmware Engineers, Device Software QA Managers, and Android Developers within the Device Team. This team is responsible for the end-to-end lifecycle of payment terminals essential for Toss Place's business, including planning, development, production, and quality management. We aim to create products that exceed market standards and contribute to the success of the Toss Place business. As a member of this team, you will work with external manufacturing partners to oversee product development and mass production while ensuring overall hardware quality in collaboration with diverse teams, including HW, SW, QA, and Design. You will lead the entire hardware quality cycle through active communication with external partners based on targeted quality standards and timelines. Your Responsibilities Participate from the initial stages of new product development by identifying potential risks from a DFQ perspective and incorporating QA standards into component selection and design reviews. Define and perform key HW and reliability tests (e.g., humidity, drop, vibration) for payment terminals, continuously enhancing them according to product and production phase changes. Validate collaborating manufacturing partners through pre-audits and inspect quality from a 4M perspective during EVT/DVT/PVT and initial mass production stages, tracking unresolved issues for improvement. Analyze HW and reliability failures during the development phase, identify root causes using 5-Why and 8D methodologies, and lead the CAPA process from root cause analysis to prevention of recurrence. Establish and operate shipping (OQC) and incoming (IQC) quality standards, defining and continuously monitoring key metrics such as Yield, DPPM, and FFR. Control 4M changes during mass production through the DCR process, managing the entire process from PCR to ECN and BOM/SOP changes, leading mass production implementation post-verification. Monitor quality based on FFR post-launch, analyze and reproduce on-site issues to identify causes, and incorporate findings into mass production processes and future product designs. Who We Are Looking For HW QA Experience: We seek someone with experience managing QA/quality in consumer electronics with display/camera functions, IoT devices, or embedded hardware products, leading quality standards establishment and verification from development to mass production. Familiarity with various electronic measurement instruments is a plus. Collaboration with Manufacturing Partners (EMS/ODM): Experience in managing quality processes of external manufacturing partners and utilizing structured methodologies like 5-Why and 8D for root cause analysis and issue resolution is essential. Understanding of mechanical design, molding, and injection processes will be beneficial. Field-Centric Execution: We need an individual who has led the discovery and resolution of production issues at manufacturing partner locations during production events. The ability to use field data and observations to make impactful decisions is crucial. Desirable Experience Experience in quality management of display/camera hardware is advantageous. Experience in local collaboration with global manufacturing partners is a plus. Experience in device HW development and KC certification is beneficial. A Note for Potential Colleagues "We are looking for someone who goes beyond just catching defects, actively contributing to the process of improving our products." We are a team that naturally questions, "Why did this happen?" from the initial design to the moment the customer uses the product. We foster a collaborative atmosphere where we discuss and solve problems together, enjoying the process of enhancing the product. If you have experience not overlooking small issues, you will likely fit well with us. We are waiting for individuals who want to create great products in a relaxed yet serious manner.

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.

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 Team! The Quality Assurance Manager for Toss Securities is an integral part of our Quality Assurance Team. You will collaborate with the product organization to oversee the entire development process of Toss Securities services. Your role ensures that users encounter no defects by engaging from the product launch stage, implementing in-depth quality improvement activities. Curious about the Toss Securities QA Team? → Discover Toss Securities QA Team Interested in our working culture? → Learn about Toss Securities QA Culture 'Integration Testing' Your Responsibilities: Engage in quality assurance and control activities for the services launched by Toss Securities. Collaborate closely with silos in an agile work environment to ensure rapid iterations and high-quality outcomes. Contribute to creating a culture focused on product quality beyond your immediate responsibilities. Who We’re Looking For: A candidate with over 2 years of software QA experience in diverse service platform environments. Experience in launching services where user experience (B2C) is crucial is highly preferred. Ability to propose solutions aimed at improving service quality is a significant advantage. Steps to Join Toss Securities: Application Submission > Task Evaluation (Live Test) > Job Interview > Cultural Fit Interview > Reference Check > Offer Negotiation > Final Selection and Onboarding Please Note: Any falsehood in your resume or documents may lead to disqualification from the hiring process. Individuals with disqualifying factors as per Toss Securities regulations may also face disqualification. Individuals with disabilities or national veterans will be given preferential treatment in accordance with relevant laws. A Message to Future Colleagues: "Be a part of the QA team that creates services at Toss Securities!" The QA Manager at Toss Securities is involved from the inception of products! You can deeply engage in enhancing product quality beyond just testing. It’s truly rewarding to be part of the launch of new products at Toss Securities, which is experiencing explosive growth! As we strive for simplicity in transforming investment experiences, we diligently work to ensure stability and reliability. Join us to feel the thrill of revitalizing a stagnant industry!

Welcome to the Journey of Joining the Daangn Team!At Daangn, we strive to create an environment where individuals can grow alongside the company's growth.The Daangn recruitment team is here to help facilitate those moments of thoughtful collaboration with wonderful colleagues. Introducing the Data Value TeamThe Daangn team is dedicated to uncovering valuable information within local neighborhoods and resolving inconveniences in regional living. To create user value, it's essential to provide trustworthy information that users can easily access and incorporate into their decision-making. While Daangn already utilizes extensive data for decision-making, maximizing the value of our data requires significant changes.The vision of the Data Value Team is to make decisions for users through data every day. To realize this vision, we proactively tackle challenges in data value realization and lead the way in solving them.About the Data Software Engineer RoleThe Data Software Engineer plays a crucial role in addressing the challenges that arise during the process of data value realization through software engineering.In alignment with Daangn's rapid growth, you will design data systems that will not become bottlenecks in the future. You will ensure data reliability through automated testing and system observability. Additionally, you will solve technical problems that arise as Daangn members seek to understand users through data, thereby exponentially enhancing data-informed decision-making through data products (indicator platforms, experiment platforms, etc.).The mission of the Data Value Team's engineers is to facilitate a seamless flow of high-quality data at Daangn, enabling the creation of value without bottlenecks. Discover the Journey of the Data Value Team Growing with Daangn (Google Data Webinar) Learn about Daangn's Indicator Platform, KarrotMetrics Seven Challenges Daangn Faced in Implementing DBT and Airflow Tips for Easy Modeling with DBT from Daangn's Data Engineer (2024 Data Conference) Creating a Data Map at Daangn: Building Column Level Lineage No Need to Always Fetch Everything? Daangn's MongoDB CDC Build

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.

As a Principal Engineer specializing in Firmware Engineering at SanDisk, you will lead innovative projects that redefine storage solutions. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge firmware for flash memory products. Your expertise will drive the technical direction and ensure the highest quality standards in our products.

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.

About the Algorithm Team - Model Compression DivisionIt is widely recognized that LLM quantization can significantly enhance inference efficiency. However, implementing this in real-world applications presents ongoing challenges. The Model Compression Division is dedicated to developing user-friendly model compression tools that address these challenges and empower customers to maximize the efficiency of their NPU.When model compression tools incorporate hardware-specific optimizations, they can achieve greater efficiency. To meet this demand, we have developed proprietary tools equipped with optimization features tailored for our NPU, enabling the provision of an essential software stack that maximizes NPU performance.The FuriosaAI Model Compression tool is continuously evolving, with a focus on increasing automation, scalability, and reliability, leading to a growing demand for enhanced capabilities. As such, we are seeking talented software engineers with substantial software engineering experience who aspire to advance their careers as Model Compression Engineers.

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.

Welcome to the journey of joining the Daangn team!At Daangn, we strive to create an environment where individuals can grow alongside the company's development.Our recruitment team is here to assist you in making the moment of collaborating with amazing colleagues a joyful reality. Introducing the Advertising TeamThe Advertising Team is responsible for the core advertising services that drive Daangn's revenue model. We operate an advertising platform targeting Daangn's 19 million monthly active users (MAU), providing effective advertising opportunities for both small businesses and large enterprises through localized advertising solutions. Our ongoing improvements can significantly impact advertisers' performance and Daangn's revenue, as we continuously evolve our services through data-driven decision-making and constant experimentation. The Advertising Team plays a pivotal role in balancing user experience with advertising effectiveness, ensuring we deliver useful and relevant ads while preserving Daangn's core values of community communication and transaction experiences. We develop various advertising formats and targeting options, leveraging machine learning technology to optimize advertising performance. Additionally, the team participates in crucial decision-making processes from an organizational perspective. Since ads are displayed across multiple app surfaces, we must consider not only ad performance but also the overall health of the service and user satisfaction. Therefore, we adopt a comprehensive approach that considers the needs of advertisers, user experience, and our business objectives. Within the Advertising Team, you'll engage in diverse tasks such as developing new advertising products, enhancing the advertising platform, analyzing and optimizing ad performance, and managing advertiser relationships. If you want to make an impact in a rapidly evolving advertising market grounded in innovative ideas and analytical thinking, the Advertising Team is the perfect choice for you. Learn more about the Daangn Advertising Team!Your ResponsibilitiesGrow into an expert handling large-scale advertising traffic.Daangn Market is a massive platform with 19 million MAU. Operating an advertising system reliably in this large-scale environment presents both challenges and opportunities. By joining the Advertising Team, you will work with systems that handle hundreds of millions of ad requests daily. You will learn how to respond to various issues that arise, enhancing your skills in building high-availability systems and practical problem-solving. Specifically, in the Serving Team, you will work with a Real-Time Bidding (RTB) system that demands millisecond-level response times, allowing you to acquire skills in designing and implementing ultra-low latency distributed systems. In the DSP Team, you will develop performance optimization and scalable architecture for processing large volumes of advertising data.Gain experience in data-driven decision-making and optimization.As a developer in the Advertising Team, you will handle vast amounts of user and ad performance data. You will have the opportunity to build and optimize pipelines for efficiently collecting, processing, and analyzing this data, enhancing your skills in big data processing technologies, data warehousing, and real-time data streaming. Additionally, you will gain hands-on experience applying machine learning models to real advertising systems, utilizing AI/ML technologies in areas such as user targeting, ad performance prediction, and real-time bid price determination to continuously improve the advertising system.Experience solving technical challenges in a continuously growing service.Daangn is in a constant state of growth. As such, the advertising system is continually expanding, with new features being added. You will experience evolving the system to accommodate various changes such as new ad product launches, expanded targeting options, and improved ad effectiveness measurement. For example, in the DSP Team, you'll be developing logic for new ad formats, integrating new data sources, and in the Serving Team, implementing new ad display methods, tackling various challenges that arise. Through this process, you’ll be able to learn about and apply the latest technological trends, significantly enhancing your technical capabilities.Design and operate microservices architecture directly.The Advertising Team adopts a microservices architecture, allowing you to design and implement independent microservices across different domains such as DSP, DMP, and recommendation systems. This experience will enable you to apply core concepts of microservices architecture, including inter-service communication, API design, and distributed transaction handling.

Welcome to the Daangn Team Journey!At Daangn, we are committed to creating an environment where individuals can grow alongside the company's success.Our recruitment team is here to help you engage in meaningful discussions with wonderful colleagues. Introducing the Notifications TeamThe Notifications Team plays a crucial role in shaping the user notification experience at Daangn. Notifications serve as the most powerful channel to reconnect users with the app outside of it. This direct interaction on the user’s phone lock screen can influence the behavior of our 20 million monthly active users. We are not just a team that sends notifications; we design the moments that bring users back to Daangn and guide them to their next actions.The notification experience goes beyond a single push notification. It can lead users directly to chatrooms or posts, and help them rediscover missed interactions within the app's notification center. While push notifications initiate actions, the notification center serves as a space to reconnect relationships and context. Our team collaborates to design these two experiences, fostering connections both inside and outside of Daangn.Daangn encompasses more than 15 services at different stages of growth, including second-hand trading, part-time jobs, real estate, and community forums. The Notifications Team develops a comprehensive experience that ensures notifications reach users meaningfully and translate seamlessly into actions.We are currently moving beyond traditional formulas to discover new strategies for Daangn's next growth phase. In our small team, engineers contribute to defining problems, proposing directions, and designing experiments that shape the future of our products.Your ResponsibilitiesRedesign the notification center to enable users to quickly grasp and act on notifications from over 15 services, focusing on list structure, grouping, read/unread status, personalization, and filtering.Implement seamless entry experiences for users who tap on push notifications, guiding them to appropriate contexts like chatrooms, posts, or specific service pages.Develop the frontend for tools that precisely target and manage notifications based on user segments, banners, and event flows, creating a foundation for faster experimentation.Collaboratively build an experimental environment to measure click-through rates, conversion rates, and incremental effects, enabling rapid A/B testing.Work closely with PMs and designers to provide input on product direction based on technical feasibility and constraints.We Are Looking ForIndividuals with over 3 years of frontend development experience.Experience in developing mobile webview applications.A strong commitment to delivering high-quality user experiences.Ability to understand product goals and context, and to collaboratively explore better solutions beyond just implementation.Flexibility to adapt in a fast-paced environment requiring rapid experimentation and iteration.Additional Preferred QualificationsExperience developing frontends for user communication channels such as push notifications, in-app messages, and notification centers.Familiarity with building A/B testing infrastructure or experience in experimental development cycles.Experience utilizing design systems or component design.Experience building platform frontends that integrate with various services.Experience in performance optimization, loading strategies, and list rendering in large-scale user environments.Additional InformationFor full-time positions, there is a 3-month probation period.We prioritize the hiring of individuals with disabilities and veterans as per the 'Act on the Promotion of Employment of Persons with Disabilities' and 'Act on the Honorable Treatment and Support of Veterans'.Application Process1. Document screening → 2. Video interview (live coding test) → 3. Job interview → 4. Culture fit interview and reference check → 5. Negotiation → 6. Final acceptance and onboarding