Database Administrator At Daangn Seoul jobs in Seoul – Browse 1,101 openings on RoboApply Jobs

Database Administrator At Daangn Seoul jobs in Seoul

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daangn logo
Full-time|On-site|SEOUL

Welcome to the daangn Team!At daangn, we strive to create an environment where individuals can grow alongside the company, matching our growth with personal development.Our recruitment team is here to help ensure that you experience those moments of joyful collaboration with wonderful colleagues. Meet the Database TeamThe daangn Database Team supports four D…

Dec 18, 2025
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daangn logo
Full-time|On-site|SEOUL

Welcome to the Journey of Joining daangn Team!At daangn, we strive to create an environment where individuals can grow alongside the company's expansion. We are dedicated to facilitating moments of joy and collaboration with wonderful colleagues. Introducing the Network TeamThe Network Team aims to deliver secure and high-speed network services to daangn customers. We design and operate a network environment optimized for hyperlocal businesses and a global service network, ensuring that daangn users remain seamlessly connected while being responsible for infrastructure stability and scalability.We enhance efficiency by automating repetitive operational tasks and visualize traffic flow and status across the network in real-time to quickly detect issues and respond proactively. Our core role also involves maintaining service quality during traffic surges and protecting the platform from network security threats.Key ResponsibilitiesDesign and operate daangn's Service/Office Network Architecture (Cloud, Wired, Wireless).Design and operate Network Security Architecture.Develop and operate Network Observability and Automation platforms.Ideal CandidateMinimum of 5 years of practical experience in Network Engineering.Understanding and operational experience with routing protocols such as OSPF and BGP.Experience with AWS or GCP cloud network environments (VPC, TGW, NAT Gateway, Cloud WAN, Direct Connect, Cloud Router, Interconnect).Experience operating wired and wireless network devices (Router, Switch, Wireless Controller, Access Point).Experience with NGFW, IPSEC VPN, and SSL VPN (ZTNA) (AWS Network Firewall, Palo Alto, Fortinet).Experience in building network monitoring systems.Ability to troubleshoot through network packet analysis.No restrictions on overseas travel.Preferred QualificationsExperience in network operations within IT companies or large-scale cloud service environments.Deep understanding of Kubernetes environments.Strong knowledge of Zero Trust frameworks.Experience analyzing network packets to block pattern and signature-based security threats.Interest in developing or automating network monitoring platforms (Go, Python, etc.).Proficient with IaC tools such as Terraform or Ansible.Additional InformationFull-time roles include a 3-month probation period.We prioritize candidates with disabilities and veterans in accordance with the 'Act on the Promotion of Employment of Disabled Persons' and 'Act on the Honorable Treatment and Support of Veterans'.Successful video interview candidates will be given assignments, which will be discussed in the role interview.Application Process1. Document screening → 2. Video interview → 3. Role interview (assignment) → 4. Culture fit interview and reference check → 5. Offer.

Feb 2, 2026
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daangn logo
Full-time|On-site|SEOUL

Welcome to daangn Team JourneyAt daangn, we are committed to creating an environment where individuals can grow alongside the company's expansion.We, the daangn recruitment team, are here to assist you in having those moments of joyful contemplation with wonderful colleagues. Introducing the Data Analyst Roledaangn's vision is to foster a warm and active community by connecting neighbors. To achieve this vision, we continuously enhance our products through informed decision-making. As a Data Analyst, you will play a crucial role in improving the quality of these decisions through data analysis.The Data Analyst at daangn will uncover insights regarding user needs and product development directions by analyzing vast amounts of data generated from our products. By closely communicating with various teams, you will define data analysis tasks that address the problems we need to solve and convey the insights gained in an understandable manner to all team members. This process will guide our decision-making in the right direction, contributing to daangn's growth.Your ResponsibilitiesYou will belong to the Data Analyst Chapter while also being affiliated with specific business or organization teams.Define data analysis tasks necessary for product growth and user experience improvement, analyzing diverse data dimensions such as product, user behavior, marketing, and revenue to provide insights and strategies.Systematize and structure the company's goals and team objectives through measurable indicators, creating an accessible environment for all team members.Set indicators and hypotheses for goal achievement, proposing action items through A/B test design and interpretation.Structure and convey insights from analyses in an easily understandable manner for team members.Lead the team's data-driven decision-making culture.We Are Looking ForA candidate with experience in web/app data analysis and a proven track record of product improvement.A problem-solver who can define complex issues and think multidimensionally about various hypotheses.An individual with a solid understanding of mobile service data analysis methods (such as AARRR).Experience or knowledge in designing and executing A/B tests to drive product improvements.Proficiency in SQL (BigQuery), Python, and capable of efficiently querying and processing data.A communicator who can effectively convey data-driven decisions to team members.Preferred QualificationsExperience in utilizing data to propose strategies and achieve business impact.Hands-on experience in the entire data modeling process for analysis.A keen interest in marketing data analysis and marketing automation, familiar with tools like Appsflyer and Adjust.

Feb 26, 2026
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daangn logo
Full-time|On-site|SEOUL

Join the daangn Team!At daangn, we strive to create an environment where individuals can grow alongside the company. The daangn recruitment team is here to help you connect with amazing colleagues and tackle exciting challenges together. About the iOS Engineer RoleThe iOS engineers at daangn are part of a dedicated chapter, collaborating closely within their teams. Within the iOS chapter, we prioritize building high-quality applications, as they are the first interaction point for our users. We take great responsibility in ensuring stability and delivering a polished service.The iOS chapter places equal importance on both company growth and individual development. Through activities such as Engineering Day, code reviews, and tech talks, we share our technical skills and domain knowledge while collectively brainstorming improvements. We also host study groups and seminars to foster a better development culture and support personal growth in iOS development.Your Responsibilities[Used Goods Trading Team]Develop a location-based used goods trading service targeting users in Korea and globally.Manage over 10 million products worldwide, creating solutions that address user issues and align with company goals.Enhance the user experience in used goods trading by experimenting with diverse ideas based on data. [Mobile Team]Operate new and shared services to make daangn Market the best local app.Support the easy development of various services and enhance productivity through improved development environments.Design a sustainable architecture for building a super app and tackle various technical challenges. [Common Responsibilities]Participate in iOS chapter activities such as Engineering Day and Tech Talks.Develop various features contributing to daangn services.Who We Are Looking ForIndividuals with at least 3 years of experience in iOS development.People who enjoy designing and implementing new features.Candidates with a user-centric mindset over a purely technical approach.Self-motivated individuals who excel in communication.Familiarity with writing testable code.Preferred QualificationsExperience in developing large-scale services.Contributions to iOS-related open-source projects or personal open-source projects.Experience in global services.Experience in designing code using Dependency Injection (DI).Additional InformationFull-time employment includes a 3-month probation period.We prioritize applicants with disabilities or veterans according to the Employment Promotion and Rehabilitation Act.Tools we currently use include: RxSwift, FlexLayout, PinLayout, and many others.

Feb 20, 2026
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daangn logo
Full-time|On-site|SEOUL

Join our innovative team at daangn as a Backend Software Engineer, where you'll be responsible for developing robust backend systems that power our lessons and tutoring services. You will work with cutting-edge technologies to enhance user experience and drive our mission forward.

Mar 23, 2026
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daangn logo
Full-time|On-site|SEOUL

Welcome to the daangn Team!At daangn, we strive to create an environment where individuals can grow alongside the company’s success.We are here to assist you in making meaningful connections with fantastic colleagues. Introducing the Data Valuation TeamThe daangn team is dedicated to discovering valuable information that connects neighborhoods and resolving inconveniences in local living. To generate this user value, we must provide easy access to reliable information for decision-making. While we already utilize vast amounts of data for our decisions, maximizing the value of our data requires substantial change.The vision of the Data Valuation Team is to "make user-centric decisions through daily data utilization." We take the lead in addressing and solving the issues of data valuation.Role of the Data Analytics EngineerThe Data Analytics Engineer ensures that data is utilized reliably and consistently, working across data modeling, engineering, and analysis to deliver value to the business and its users.In the diverse service environment of daangn, the Data Analytics Engineer will design and improve the overall flow of data collection to utilization, enabling analysts, engineers, and product teams to leverage data reliably.Moreover, the role involves designing data marts, managing quality, operating data governance frameworks, and performing basic analyses or experiments to support data-driven decision-making. Discover the Journey of the Data Valuation Team with daangn (Google Data Webinar) Learn about daangn's Metric Platform KarrotMetrics The 7 Challenges daangn Faced While Implementing DBT and Airflow How daangn's Data Engineers Simplified Modeling with DBT (2024 Data Conference) Mapping daangn Data: Column Level Lineage Building No Need to Always Pull Everything? Building MongoDB CDC at daangn Why daangn Implements User Activation Engagement in 3 Key Areas

Feb 2, 2026
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daangn logo
Full-time|On-site|SEOUL

Welcome to Your Journey with daangn!At daangn, we strive to foster an environment where individual growth aligns with company development.The daangn recruitment team is here to assist you in experiencing the joy of engaging with wonderful colleagues! Introducing the Search Quality TeamThe Search Quality Team focuses on revolutionizing the search experience at daangn by utilizing machine learning and natural language processing technologies to deliver personalized results. Our mission is to help users find the information they desire quickly and accurately through a contextual understanding of neighborhood life. The team is divided into three parts: Search Vertical, Search Fleamarket, and Search Place, with each ML engineer specializing in models tailored to various domains such as second-hand trading, local living, and maps.Your RoleUnderstand user search intent to recommend personalized keywords, collections, and products.Enhance search quality using natural language processing, graph-based models, and personalization algorithms.Design lightweight architectures for real-time model serving.Manage experiments and operations for model improvements in collection ranking, knowledge graphs, and keyword suggestions.We Are Looking ForExperience in designing and operating machine learning-based recommendation/search/ranking systems.Background in developing natural language processing (NLP) or graph-based recommendation systems.Experience building Python-based machine learning training pipelines.Experience in experimental design and A/B testing using large datasets.Experience in system implementation considering model serving and performance optimization.Bonus Points If You HaveModeling experience with search query auto-completion, related search terms, and typo correction.Experience serving real-time deep learning model inference.Experience leading specific domains (ranking/recommendation) with ownership in an ML engineering team.Please NoteOnboarding content and responsibilities may vary according to your capabilities.Full-time hires will undergo a 3-month probation period.According to the 'Act on the Promotion of Employment for the Disabled' and the 'Act on the Honorable Treatment and Support of Veterans', candidates with disabilities and veterans will receive preferential treatment during the recruitment process.The Application Process1. Document Screening → 2. Video Interview → 3. Job Interview → 4. Culture Fit Interview → 5. Final Acceptance → 6. JoiningGo to daangn's Joining Journey Guide ()

Dec 18, 2025
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Daangn logo
Internship|On-site|SEOUL

Daangn offers an AI-Driven Data Analyst Internship in Seoul, providing the chance to gain experience with advanced technology and real-world data analysis. Interns will join ongoing AI projects and play a part in shaping how data is used throughout the company. Responsibilities Analyze datasets to support AI-focused projects Collaborate with experienced team members on current initiatives Use data analysis skills in practical, hands-on work Contribute to improving data practices at Daangn Location This internship takes place onsite in Seoul.

Apr 23, 2026
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daangn logo
Full-time|On-site|SEOUL

Join daangn as a Backend Software Engineer and be part of a dynamic team dedicated to revolutionizing the commerce landscape. In this role, you will work on innovative backend systems that enhance user experience and operational efficiency.

Mar 25, 2026
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daangn logo
Internship|On-site|SEOUL

Join daangn as an Operations Manager Intern and immerse yourself in a fast-paced environment where innovation meets collaboration. You will be integral in supporting our operations team, contributing to process improvements, and enhancing our branding initiatives. This internship offers an excellent opportunity to develop your skills and gain valuable experience in operations management.

Apr 30, 2026
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daangn logo
Contract|On-site|SEOUL

Welcome to Your Journey with Daangn TeamAt Daangn, we are dedicated to creating an environment where individuals can grow alongside the company as it expands.Our recruitment team is here to support you in experiencing those moments of joy and collaboration with wonderful colleagues. Introducing the Merchant Communication TeamDaangn envisions a local lifestyle platform and is developing various services to create new value in neighborhood markets. The Merchant Communication Team is responsible for promoting the use of Daangn Business among small business owners. We are looking for someone to design content aimed at business owners, helping them understand how to better utilize Daangn Business and ultimately drive their growth. If you’re curious about Daangn Business, check out the links below: Daangn Business Owner's Lounge (App Exclusive)Key ResponsibilitiesYou will be responsible for visually designing the content and usage instructions of Daangn Business services to enhance user understanding (for business owners).Design promotional and educational content directed at business owners.Create and manage B2B marketing materials and offline event outputs.Produce various forms of content for publication on owned media such as the Daangn app's Owner's Lounge and Daangn Business website.Ideal Candidate2+ years of experience in content design.Proficient in creating images using Figma, Adobe Photoshop, and Illustrator.Preferred QualificationsAble to skillfully edit multilayered information into high-quality content.Enjoys engaging with clients through design and eliciting their responses.Experience collaborating on mobile-based product design projects.Additional InformationThis position starts with a 3-month contract, with a possibility of extension to 9 months based on performance.Preference is given to individuals with disabilities and veterans in the hiring process, in accordance with the laws on promoting employment for persons with disabilities and supporting veterans.Please submit your portfolio in PDF format, indicating your contributions and roles in collaborative projects.You may submit school assignments and personal projects that showcase your strengths and necessary skills for a content designer. Application Process1. Document screening → 2. Job interview (with pre-assignment) → 3. Final acceptanceAccess the Daangn Joining Journey Guide

Mar 16, 2026
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Daangn logo
Full-time|On-site|SEOUL

Welcome to the Daangn Team!At Daangn, we strive to create an environment where individuals can grow alongside the company's success.Our recruitment team is here to support you in making meaningful connections with fantastic colleagues. Introducing Local JobsLocal Jobs is a pioneering team dedicated to creating a marketplace that previously did not exist in South Korea. We are redefining the way people search for jobs, enabling neighbors to connect and transform their community into a space of new opportunities. Our team of product experts is committed to overcoming challenges to realize Daangn's vision. Meet the Local Jobs TeamOur Work Culture How Local Jobs Engineers Think and Decide How Local Jobs Engineers Act and Collaborate Enhancing Productivity through GraphQL Schema Collaboration Culture Introduction to Local Jobs Engineering Culture

Feb 2, 2026
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Daangn logo
Internship|On-site|SEOUL

Join Daangn as a Frontend Software Engineer Intern and contribute to creating exceptional user experiences for our platform. This is an exciting opportunity to work under the guidance of seasoned professionals in a dynamic environment.

Mar 27, 2026
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Daangn logo
Full-time|On-site|SEOUL

Join our dynamic team at Daangn as a Frontend Software Engineer dedicated to building engaging community platforms. You will be responsible for developing user-friendly web applications that enhance user experiences and foster community interaction. Collaborate with cross-functional teams to design and implement innovative solutions that meet the needs of our users.

Apr 3, 2026
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Daangn logo
Full-time|On-site|SEOUL

Welcome to Your Journey with DaangnAt Daangn, we strive to create an environment where individuals can grow alongside the company as it expands.The Daangn recruitment team is here to assist you in reaching those moments of joyful reflection with wonderful colleagues. Introducing the Finance TeamThe FP&A team at Daangn plays a pivotal role in translating our domestic and international business growth into numbers. From establishing budgets across the organization to performance analysis, long-term forecasting, and competitor research, we shape the direction of our business through numerical insights. We are looking for a colleague who can deeply understand our business and data, and provide valuable insights for company-wide decision-making in our rapidly growing company.Your ResponsibilitiesCreate management plans for Daangn Market and its subsidiaries, estimating both short-term and long-term profitability.Prepare monthly profitability reports for Daangn Market and its subsidiaries, meticulously analyzing trends and variances against targets.Conduct reviews of the overall budget and propel the enhancement of internal processes and systems related to budgeting and payments.Analyze key performance indicators to derive meaningful insights connected to revenue.Monitor the performance status and consensus forecasts of domestic and international industry peers.Who We're Looking ForA candidate with 5-7 years of experience in management control functions.A proactive individual with experience leading management accounting and planning efforts.Someone skilled in analyzing issues through numbers and data to derive insights.A strong communicator capable of flexible collaboration with relevant departments.Experience or interest in IT services is a plus.Bonus Points If You HaveExperience in accounting or related expertise.Experience in planning and enhancing internal systems related to management control, budgeting, and accounting.Additional InformationRegular employment includes a 3-month probation period.According to the Act on the Promotion of Employment for Persons with Disabilities and the Act on the Honorable Treatment and Support of Veterans, we prioritize applicants from these groups in our hiring process.Application Process1. Document screening → 2. Video interview → 3. Job interview (assignment) → 4. Culture fit interview and reference check → 5. Offer negotiation → 6. Final acceptance and onboardingAccess the Daangn Joining Journey Guide () Daangn Application ProcessDocument ScreeningDaangn accepts freely formatted applications.Please feel free to utilize various information that highlights your strengths while crafting your resume.Document formats can be freely chosen, excluding hwp (Hangul) files, with options such as Word, PDF, or web links.If submitting through web links (Notion, Google Drive, etc.), please ensure access permissions are granted.Please exclude personal information such as photos and addresses that are not relevant to the evaluation.Video InterviewThis stage involves a video conversation with a Daangn team member closely related to your applied position, discussing essential job knowledge.Assignment StageDepending on the role, there may be an assignment stage. The assignment will relate to job competencies and may be separately administered or included in the video or job interview.

Feb 20, 2026
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Toss Securities logo
Full-time|On-site|Seoul

Join our dynamic team at Toss Securities as a MySQL Database Administrator in our Data Division.About the Team:The DBA team at Toss Securities is dedicated to managing a variety of DBMS platforms, including Oracle, MySQL, MongoDB, and PostgreSQL, to ensure rapid data accessibility and security.We collaborate closely with other teams within the Data Division to maximize efficiency and effectiveness.Responsibilities:Implement redundancy solutions and conduct performance monitoring, tuning, backups, and recovery to maintain a stable database environment.Support team members in deploying DB physical models and testing/applying new database features.Automate repetitive tasks to enhance operational efficiency.Desired Qualifications:Minimum of 5 years experience as a MySQL (Maria) DBA.Experience in managing large databases and proficient in SQL tuning.Ability to develop with Python and create necessary tools as required.Experience with various RDBMS and MongoDB in both on-premise and cloud environments.A positive mindset and a passion for providing 24/7 customer service.Experience in a financial services environment is a plus.Please include the following in your application:A detailed account of impactful projects you have worked on.If applicable, provide measurable results from improvements made in actual services (omit sensitive information as needed).The Hiring Process at Toss Securities:Application submission > Job interview > Cultural fit interview > Reference check > Salary negotiation > Final acceptance and onboarding.

Mar 9, 2026
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Toss Careers logo
Full-time|On-site|Seoul

Role Overview Toss Careers is hiring a Database Administrator (DBA) in Seoul to join the Data Division's Data Platform Tribe. The DBA team manages and supports the core service databases, with MySQL and MongoDB as primary systems. What You Will Do Maintain a stable database environment through redundancy planning, performance monitoring, tuning, backup, and recovery. Support development and operations by deploying physical database models and testing or applying new database features. Design and implement automation strategies to reduce manual, repetitive work. What We’re Looking For At least 10 years of experience as a DBA, with deep expertise in MySQL (MariaDB). Background in managing large-scale databases and strong skills in SQL tuning. Experience with MongoDB operations is a plus. Python scripting for automation is desirable. Familiarity with PostgreSQL and cloud environments would be an advantage. How to Strengthen Your Application List specific, impactful projects from previous roles on your resume. If you improved a service, include measurable results where possible (avoid sensitive external details). Hiring Process Application Submission Job Interview Cultural Fit Interview Reference Check Final Offer

Apr 14, 2026
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Toss Securities logo
Full-time|On-site|Seoul

About the Team You'll JoinAs a member of the DBA Team within the Data Division at Toss Securities, you'll play a crucial role in managing a variety of database management systems including Oracle, MySQL, MongoDB, and PostgreSQL. This team collaborates closely with other teams within the Data Division to ensure swift data availability and secure data storage.Your ResponsibilitiesImplement and manage redundancy solutions, performance monitoring, tuning, and backup/recovery processes to maintain a stable database environment.Support team members in the development and operation by deploying database physical models and testing/applying new database features.Automate repetitive tasks to enhance operational efficiency.Who We Are Looking ForApplicants should have over 5 years of experience as an Oracle DBA.Experience leading next-generation and upgrade projects is essential.Hands-on experience managing large-scale databases and performing SQL tuning is required.Familiarity with various open-source databases, CDC solutions, and data modeling is a plus.We welcome candidates who are eager to learn new database technologies and trends, possess strong problem-solving skills, and have a positive attitude to lead 24/7 customer service initiatives.Please Highlight the Following Experiences in Your ResumeSignificant experience handling unique incidents or issues during operations.Roles and responsibilities in large-scale projects, particularly next-generation initiatives.Instances where introducing new features resolved challenging issues.Methods and technologies attempted to improve inefficient or repetitive tasks.When describing your experiences, please include the names and versions of the products used, along with quantifiable details.Application Process at Toss SecuritiesDocument submission > Job interview > Cultural fit interview > Reference check > Offer negotiation > Final acceptance and onboardingImportant NotesAny false information in resumes or submitted documents, or disciplinary issues discovered in work history, may result in the cancellation of employment.Individuals classified as prohibited applicants or with disqualifying reasons under Toss Securities regulations may also face disqualification.A Message for Future Colleagues"A place where you can grow as a DBA designing financial innovations beyond data."At Toss Securities, you will manage diverse DBMS and large-scale transaction services, continually upgrading your DBA capabilities amidst a rapidly evolving data landscape.As part of a fast-growing financial platform, you will tackle challenging tasks such as large-scale transaction processing, data architecture design, and performance optimization, experiencing the joy of growth and becoming a competitive DBA.Collaboration with exceptional colleagues across various fields and readily available support for any gaps in knowledge is part of our culture.This is a unique opportunity to experience the innovative culture of Toss, and anyone who enjoys new challenges and working with colleagues to solve problems is warmly welcomed.

Mar 9, 2026
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daangn logo
Full-time|On-site|SEOUL

Welcome to Your Journey with daangnAt daangn, we strive to create an environment where individuals can grow alongside the company as it expands.Our recruitment team is here to assist you in achieving those moments of joyful collaboration with wonderful colleagues. Introducing the Risk Manager RoleWe aim to foster a warm and trustworthy neighborhood life among local residents based on mutual trust and respect.The Service Operations team is responsible for defining and resolving issues that may inadvertently arise during the process of creating safe and warm connections among neighbors (such as transaction disputes, fraud, etc.), ensuring that more users can safely utilize daangn.The Risk Manager's role is to proactively anticipate and prepare for potential harms that users may encounter, allowing for safer use of daangn.Key ResponsibilitiesOversee the overall operations of the daangn Safe Payment (Escrow) and Safe Compensation services.Manage refund disputes and fraud policies arising from the safe payment service and second-hand transactions.Forecast potential issues and incorporate solutions into service policies.Communicate with relevant departments (external affairs, PR, legal, service team, management, etc.) to resolve operational issues.Manage crises through swift identification and resolution of issues upon the occurrence of risks.We Are Looking ForIndividuals with over 3 years of experience in IT service operations.Experience in service policy formulation and risk management.Problem-solving ability and experience with issues related to service operations.Enjoyment in defining, planning, and executing solutions independently.Ability to communicate and collaborate effectively with related departments.Preferred QualificationsExperience in operating escrow services or responding to PG-related issues.Experience in external affairs for risk response.Proficiency in data analysis tools (e.g., SQL).Additional InformationFor full-time positions, there is a 3-month probation period.Individuals with disabilities and veterans are given preference during the hiring process as per the 'Act on the Promotion of Employment for Persons with Disabilities' and 'Act on the Honorable Treatment and Support of Persons of National Merit.'The job interview includes a discussion centered on task content followed by a Q&A session.This position is affiliated with the Service Operations team and works closely with the daangn Pay team.After the application and interview processes, we may propose specific service manager roles based on the strengths and experiences of the applicants.Application Process1. Document screening → 2. Assignment screening → 3. Job interview → 4. Culture fit interview and reference check → 5. Compensation negotiation → 6. Final acceptance and onboardingClick here for the daangn onboarding guide

Jan 6, 2026
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daangn logo
Full-time|On-site|SEOUL

Welcome to the Journey of Joining the Daangn Team!At Daangn, we are committed to creating an environment where individuals can grow alongside the company's success.The Daangn recruitment team is here to ensure that you can engage in meaningful discussions with wonderful colleagues. Introducing the Software Engineer, Machine Learning RoleThe Software Engineer specializing in Machine Learning at Daangn leverages machine learning to enhance various services, ultimately improving user satisfaction and fostering connections within local communities. This role involves recommending personalized and engaging content for users on home feeds and detail pages, as well as facilitating efficient advertising to help local residents promote their offerings.Key Responsibilities[Feed Quality Team]Develop and enhance ML models to boost user engagement and foster diverse and serendipitous discoveries on the feed.Analyze data to formulate hypotheses, identify improvements based on theoretical foundations, and validate through online experiments to achieve tangible service impact.Develop and refine models for a deeper understanding of users and content.Utilize LLM in various ways to enhance personalized recommendations.[Advertising Recommendation Team]Develop and improve CTR and CVR prediction models, as well as automated bidding, targeting, and pacing models for ad recommendations and rankings.Analyze user behavior data and advertising performance, formulating data-driven hypotheses and validating them through A/B tests to enhance both advertising efficiency and user experience.Recommend meaningful ads to users through candidate ad extraction and ranking models that consider personalization.Enhance advertising targeting accuracy using LLM and the latest AI technologies, deepening the understanding of users and ad content.Who We're Looking ForIndividuals with a solid foundation in machine learning theory and principles.A deep understanding of deep learning (Recommendation, NLP, Graph Neural Networks, Reinforcement Learning, Vision, or more).Experience in conceptualizing efficient code architecture and writing readable code.Preferred QualificationsExperience making a tangible impact on user services through machine learning in a data-driven environment.A keen interest in the latest machine learning and deep learning trends, enjoying reading relevant papers.Experience with ML-based recommendation and advertising systems.Experience deploying machine learning models and systems in large-scale production environments.Familiarity with BigQuery, Cloud Dataflow, Kubeflow, TFX, and TF Serving.Additional InformationThis full-time position includes a 3-month probation period.In accordance with the 'Act on the Promotion of Employment for Persons with Disabilities' and the 'Act on the Honorable Treatment and Support of Veterans', individuals with disabilities and veterans are given preference during the recruitment process.Video interviews will include live coding tests and a brief assessment of ML fundamentals. Please prepare your PC environment for a smooth testing experience.

Jan 21, 2026

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