Backend Software Engineer | daangn | SEOUL

Welcome to the Journey of Joining the Daangn Team!At Daangn, we strive to create an environment where individuals can grow alongside the company as it evolves.Our recruitment team is here to assist you in the moments where great colleagues can spark joyful challenges. Introducing Local BusinessOur Local Business team is dedicated to creating services that co…

Join our dynamic team at daangn as a Frontend Software Engineer. In this pivotal role, you will be responsible for designing and implementing user-centric web applications that enhance the experience of local businesses. We value innovation and collaboration, and we are looking for a passionate engineer who thrives in a fast-paced environment.

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.

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 Your Journey with daangn!At daangn, we strive to cultivate an environment where individuals can grow alongside the company as we evolve.The daangn recruitment team is here to assist you in reaching moments of meaningful collaboration with wonderful colleagues. Introducing the Identity Service TeamThe Identity Service team is responsible for managing membership and authentication at daangn. We develop a range of features related to authentication and user management to ensure that all customers can use our services safely and smoothly. We aspire to create a world where every local service is connected through daangn, aligning our growth with scalable and secure membership services. We continuously explore ways to provide a better user experience while safeguarding personal information and ensuring customer safety.How the Identity Service Team OperatesHealthy Conflicts for Better OutcomesWe embrace constructive disagreement for improved results. By respecting each other and engaging in open discussions, we make better decisions.Prioritizing Purpose Over MeansWhat we aim to achieve is of utmost importance. We select the appropriate means aligned with our goals and remain vigilant to ensure that means do not overshadow our purpose.Thinking Beyond the Team for Company-Wide ImpactWe consistently consider ways to create greater value across the organization, moving beyond simple problem-solving.Vision for Present and Future GrowthWe focus on sustainable choices that remain viable even after significant growth, not just immediate solutions. Technologies Used by the Identity Service TeamGo, gRPC, gRPC-GatewayMySQL, Redis, KafkaKubernetes, Istio Daangn Tech Meetups#1 Separating daangn's Membership System into Microservices#2 Life After Separation into MSA: Growth of Go Server#3 Replacing the Lock Mechanism of a Running Car: Centralization of Authentication Systems Daangn Tech Blog Link to Blog

Coupang is revolutionizing the shopping experience, aiming to amaze each customer from the moment they launch the Coupang app until their order is delivered to their doorstep. With a robust end-to-end e-commerce and logistics network, coupled with a passionate commitment to customer-centricity, Coupang has eliminated the trade-offs between speed, selection, and price. We proudly offer incredibly fast shipping on millions of products, including fresh groceries, delivered within hours across the nation, 365 days a year. This is our promise to millions of customers in Korea, a nation that boasts one of the largest and fastest-growing e-commerce landscapes in the world. [About the Team]As a vital part of the Ecommerce Engineering team, our mission is to deliver exceptional customer experiences, achieve world-class service excellence, and drive hyper-growth in revenue. We accomplish this by developing scalable and extensible architecture to support rapid business expansion, creating high-performance and resilient backend systems to manage increasing customer demands, and implementing stable, fault-tolerant mechanisms that ensure an unmatched customer experience. Our vision is to craft disruptive products and resilient platforms for customers, leveraging world-class talent and cutting-edge technology.

Welcome to Daangn's Team Journey!At Daangn, we strive to create an environment where individuals can grow alongside the company's expansion.The Daangn recruitment team is here to assist you in reaching a moment where you can engage in thoughtful discussions with fantastic colleagues. Introducing the Location Intelligence TeamThe Location Intelligence Team plays a crucial role in managing and analyzing various location and spatial data, which enriches our services as we transition into a local super app. We handle complex, large-scale spatial data securely and efficiently, pursuing a sustainable and scalable platform. We are looking for someone to help tackle the diverse technical challenges that arise as we continuously develop services that grow and expand globally. Check out our Tech Meetup Presentation Videos: How far does our neighborhood narrow down? Exploring our neighborhood through natural boundaries Serving complex spatial data quickly and efficientlyYour ResponsibilitiesDesign, develop, and maintain Daangn's neighborhood certification and area management systems, ensuring stable platform services that other internal microservices rely on.Enhance connections among Daangn users and explore ways to create new connections.Establish policies and build shared frameworks to ensure Daangn operates reasonably as a location-based service.Create a large-scale data system for securely and efficiently storing and utilizing various location information.Who We Want to Work WithIndividuals who enjoy defining problems in unstructured situations and learning from leading the resolution process.Developers who consider writing tests, code reviews, and documentation as core processes and actively practice them.Those who understand and can utilize relational database modeling, indexing, and transaction processing.Individuals who comprehend asynchronous programming and can derive solutions for concurrency and consistency issues.People with a fundamental understanding of REST API or RPC communication structures and practical experience.Team players who actively communicate to improve services based on logical reasoning and mutual respect.Bonus Points for Candidates Who HaveExperience developing with Golang.Experience with services based on microservices architecture.Knowledge of or experience with large-scale spatial information and user location data pipelines.Knowledge of Geographic Information Systems or related project experience.Additional InformationFor full-time hires, there is a 3-month probation period.Individuals with disabilities or veterans are given preference in the hiring process in accordance with the laws related to employment promotion and vocational rehabilitation.Please submit your portfolio or resume in PDF format, indicating your actual contributions per project.Live coding tests and backend development-related questions will be part of the video interview.There will be a system design test in the job interview.How to Join Us1. Document screening → 2. Video interview (live coding test) → 3. Job interview (system design) → 4. Culture fit interview and reference check → 5. Negotiation of terms → 6. Final offer...

Role overview The Director of Business Development at tgs focuses on expanding business within the gaming sector, with a particular emphasis on localization services. Based in Seoul, this role involves building and nurturing relationships with clients while promoting tgs’s Gaming Localization Solutions. These solutions span language translation, localization, and quality assurance testing for gaming products. Main responsibilities Develop a thorough understanding of tgs’s service offerings and technical capabilities. Research the gaming market to identify and evaluate potential clients and organizations. Generate leads through cold calling, networking events, and online campaigns. Collaborate with Sales Management to qualify prospects, develop business opportunities, and close deals. Maintain and strengthen relationships with existing clients, while seeking new partnership opportunities. Grow a network of partners, including technology companies and digital agencies. Communicate the value of tgs’s solutions to clients and answer their questions. Work with Program Management and Client Services to ensure strong customer service and manage client expectations. Keep up with industry trends and client needs to identify new business opportunities. Handle additional projects as assigned.

Welcome to the Journey of Joining the Daangn Team!At Daangn, we strive to create an environment where individuals can grow alongside the company as it evolves.Our recruitment team is here to help you reach that moment of engaging in meaningful discussions with wonderful colleagues. Introducing MyKarrot Task ForceThe MyKarrot Task Force is dedicated to transforming the 'My Karrot' tab into a pivotal space for enhancing user engagement across the Daangn platform. Users tend to navigate to the 'My Karrot' tab after taking actions, and our team believes it can evolve from a simple user page into a personalized hub that facilitates their subsequent actions.Daangn is focused on creating diverse experiences centered around hyper-local services, including secondhand trading, part-time jobs, real estate, and community interactions. While each service has its unique growth phase and strategy, they are all interconnected within the context of users' neighborhood lives. Our team is committed to bridging these services with user activities, presenting the right actions and information at the perfect moments.Long-term, we envision 'My Karrot' as a space where relationships and transactions build, making it easier for users to initiate their next activities. The primary goal of the MyKarrot Task Force is to create a more organic connection among various services within Daangn, enabling users to seamlessly continue their actions.ResponsibilitiesDesign and develop the server for the Server Driven UI (SDUI) that comprises the 'My Karrot' tab.Create an environment for experimenting with the 'My Karrot' tab UI based on user behavior patterns.Develop systems that connect various services' contexts with user activities to enhance the 'My Karrot' experience.Decompose existing legacy services related to 'My Karrot' and gradually transition traffic.We are looking for candidates who have:3+ years of backend development experience or equivalent engineering capabilities.Experience in designing and operating services based on Kotlin, Spring Boot, and RDBMS.A user-centric mindset for product development.Self-motivation, excellent communication skills, and the ability to execute tasks promptly.Additional Preferred QualificationsExperience in identifying problems and implementing improvements by analyzing user behavior data and metrics.Experience in leveraging AI/LLM to enhance development productivity or attempt novel problem-solving methods.Additional InformationFull-time positions include a 3-month probation period.We prioritize candidates with disabilities and veterans in accordance with the 'Act on the Promotion of Employment for the Disabled' and 'Act on the Honorable Treatment and Support of Veterans'.Application Process1. Document screening → 2. Video interview → 3. Job interview → 4. Culture fit interview and reference check → 5. Compensation negotiation → 6. Final acceptance and onboardingGo to the Daangn joining journey guide()

Overview: We are searching for a dynamic and results-oriented Director of Business Development to spearhead the creation of new business opportunities and foster relationships with clients in the gaming industry. This role involves promoting and delivering our comprehensive Gaming Localization Solutions, including gaming language translation, localization, quality assurance testing (LQA & FQA), and player community services.Key Responsibilities:Gain an in-depth understanding of TransPerfect’s innovative solutions and their unique advantages in the gaming localization sector.Conduct thorough research to identify and map potential customers and organizations within the gaming industry.Generate leads and new business opportunities through various channels such as cold calling, online campaigns, networking, and industry events.Collaborate with Sales Management to identify, qualify, and close sales opportunities effectively.Build and maintain strong relationships with existing and new clients.Develop a robust ecosystem of partnerships with technology firms, system integrators, and digital agencies.Educate clients on the benefits of TransPerfect’s solutions and ensure a high level of customer satisfaction.Provide exceptional customer support, ensuring client expectations are met in coordination with Program Management and Client Services.Take initiative to learn about industry-specific needs and requirements to uncover new business opportunities.Undertake special projects or additional responsibilities as needed.

Overview: We are seeking a dynamic and results-driven Director of Business Development to spearhead new business initiatives and forge strong relationships with key players in the gaming industry. This role focuses on promoting and delivering our comprehensive Gaming Localization Solutions, which encompass gaming language translation, localization, testing services (LQA & FQA), and gaming player and community services.Responsibilities:Gain in-depth knowledge of the capabilities, benefits, and competitive advantages of TransPerfect’s solutions, including both services and technology.Conduct thorough research to identify and map prospective clients and organizations.Generate new business opportunities through cold calling, marketing campaigns, online networking, and industry events.Collaborate closely with Sales Management to identify, qualify, develop, and close sales opportunities.Build and nurture existing client relationships while developing new ones.Establish and cultivate partnerships with technology firms, system integrators, and digital marketing agencies.Educate clients on the value and advantages of TransPerfect’s solutions.Provide exceptional customer support while managing client expectations in collaboration with Program Management and Client Services.Engage actively in learning about the gaming industry, its business and technical needs, and specific requirements to uncover new business opportunities.Undertake additional special projects or responsibilities as necessary.

Role overview The Director of Business Development - Gaming Localization at TransPerfect works to expand business and strengthen client relationships in the gaming industry. This position centers on selling and supporting a suite of gaming localization solutions, such as language translation, localization quality assurance (LQA & FQA), and player community services. Main responsibilities Gain a thorough understanding of TransPerfect’s services and technology. Identify and research potential customers within the gaming sector. Generate new leads through cold calls, marketing efforts, networking events, and digital outreach. Collaborate with Sales Management to qualify, develop, and close sales opportunities. Build and nurture relationships with both new and existing clients. Form partnerships with technology companies, system integrators, and digital agencies. Present TransPerfect’s solutions and communicate their value to clients. Work with Program Management and Client Services to manage client expectations and provide support. Stay connected to the gaming industry to understand client needs and identify new business opportunities. Handle special projects or other assigned duties as needed. Location This role is based in Seoul, Seoul-teukbyeolsi, South Korea.

Daangn’s Local Business team connects local business owners with their communities, building tools that make it easier for people to find and use neighborhood shops and services. Within this group, the Search & Discovery (S&D) team works to improve the Neighborhood Map, focusing on how users discover local stores, read reviews, and see promotions shared by neighbors. The team shapes how local content appears, aiming for a smooth and helpful experience when exploring nearby businesses. Role overview This Product Manager Internship centers on the Neighborhood Map and its interfaces, including the Map and Bottom Sheet. Interns collaborate with product managers, engineers, and designers to refine how users explore local content. The work involves analyzing and organizing data, planning content presentation, and running A/B tests to guide product decisions. Participation in the full product development cycle is expected, with opportunities to experiment and iterate on features. Requirements Ability to define problems clearly and propose data-driven solutions Basic understanding of SQL and experience with queries Interest in learning and using AI tools and new technologies Experience independently identifying and solving problems Preferred qualifications Understanding of map-based or content feed (recommendation) services Experience analyzing user behavior data to support decisions Previous internship or entrepreneurial experience at other companies Internship details 3-month internship with possible extension after evaluation Preference given to individuals with disabilities and veterans, following employment laws Application deadline: May 10, 2023, at 23:59 (posting may close early or be extended) Planned start date: June 1, 2023 (subject to change) Application tips Students or pending graduates should state current academic status (enrollment, leave of absence, or expected graduation) in the resume For portfolios, focus on explaining the problem, your solution process, and results, not just listing projects Hiring process Document screening Job interviews Final acceptance and onboarding Quick Guide to Joining Daangn: https://daangn.notion.site/f371d4e1412d422e95b343117d93521a

Join Furiosa AI as a Software Engineer focused on Developer Experience! In this role, you will collaborate with cross-functional teams to enhance the development workflow, tools, and processes that empower our engineering teams. Your contributions will be pivotal in creating efficient and high-quality software solutions that drive our mission forward.

Company OverviewCoupang exists to deliver extraordinary customer satisfaction. When customers say, "How did I live without Coupang?" we know we have fulfilled our mission. With a singular commitment to making shopping, dining, and everyday life easier for customers, Coupang is driving innovation across the multi-billion-dollar e-commerce industry. As one of the fastest-growing e-commerce companies, Coupang has established a unique position in the domestic commerce landscape and built customer trust.Coupang prides itself on being a globally listed company rooted in a startup culture. This agility, dating back to our founding, fuels our ability to continuously launch new services and expand our business. Every employee at Coupang is given the opportunity to embody an entrepreneurial spirit, driving new innovations and initiatives. The boldness to dive into work without hesitation and achieve results is at the heart of how we operate. At Coupang, you will witness the daily growth of yourself, your colleagues, your team, and the entire company.All Coupang employees are genuinely committed to our mission of shaping the future of commerce. We tackle customer problems head-on, challenge traditional beliefs, and push the boundaries of what is possible. If you seek an incredible working experience in a high-tech, always-on, hyper-connected world, join Coupang now.

Join our dynamic team at Coupang where we are driven by a passion for tackling complex real-world challenges and creating innovative solutions that enhance the lives of millions. As a Backend Engineer, you will collaborate with talented developers, fostering a culture of knowledge sharing and rapid innovation. Engage in building cutting-edge in-house technologies, revolutionizing mobile architecture, and pushing the boundaries of machine learning and deep learning. Together, we will create a world where our customers wonder, 'How did we ever live without Coupang?'

About HopaeAt Hopae, we are dedicated to creating the most reliable digital identity platform in the world—one that is private, secure, and designed for real-world applications.We believe that individuals should have control over their own identities, free from outdated systems and centralized control.Our innovative technology facilitates instant, privacy-focused verification for users and businesses globally, spanning sectors such as fintech, credentials, supply chain, and gaming.Supported by leading global investors, Hopae operates not only in Seoul but also in Paris and San Francisco, harnessing a diverse team of talent from over 10 nationalities.We prioritize speed, global thinking, and the development of products that will shape the future of identity. Why You’ll Love Working HereGlobal DNA: Collaborate with outstanding professionals across Seoul, Paris, and San Francisco.High Impact: Contribute to technology that is redefining trust and identity on a global scale.Ownership Culture: Experience a work environment with no micromanagement—where trust and accountability are paramount.Elite Standards: Thrive in a fast-paced environment where learning and growth are encouraged alongside world-class colleagues.Inclusive & Respectful: Join a team with over 10 nationalities, bringing diverse perspectives united by a common vision.Growth Mindset: Benefit from mentorship opportunities, leadership visibility, and lifelong learning. Your ResponsibilitiesAs a Backend Engineer, your coding expertise will underpin the security and connectivity of digital identities for users around the globe.Design and Develop Global Authentication Platform: Take charge of building and maintaining the core backend systems and high-availability infrastructure for the hConnect platform.Integrate with Diverse Identity Systems: Create and enhance modules that connect with national electronic ID (eID) systems and various identity services globally.Build Scalable Systems: Ensure system stability while progressively enhancing capabilities to accommodate future traffic growth and feature expansions.Design Flexible and Scalable APIs: Develop and maintain robust APIs for seamless integration with both internal services and external partners.Foster a Strong Code Culture: Collaborate with your team to cultivate a culture of quality code.

About Tridge:Tridge has been addressing the information asymmetry and inefficiencies in global agricultural trade through data and technology. Our next chapter involves expanding the Vertical Intelligence we've accumulated over the past decade into a global supply chain network.We create exclusive industry intelligence (Vertical AI) based on vast domain data,Automate interactions within the buyer-seller network (Horizontal AI), andBuild a 'global supply chain OS' that enables transactions to scale on their own.Despite facing challenging environments and practical constraints, we have continued to push forward, resulting in stronger execution and clearer direction. We have gained a sharper understanding of what matters most and how to execute effectively.The problems Tridge seeks to address remain significant, which is why we are looking for great colleagues. To sustainably solve market asymmetries and imbalances that humanity has long struggled with, we need teammates who can think deeply and execute diligently.

Join us at the forefront of agentic AI, where you'll be part of a team that builds intelligent systems capable of deep understanding. At Sendbird, we are not just developing prototypes; we are deploying AI solutions at scale that genuinely think and adapt.About SendbirdSendbird is committed to shaping the future of AI-driven customer interactions. With over a decade of experience in creating robust infrastructures for chat, voice, video, and messaging APIs, we've established ourselves as the leading CPaaS platform for in-app communications. Trusted by over 4,000 brands and facilitating 7 billion messages monthly, we connect 300 million active users.Our clients include industry leaders like DoorDash, Match Group, Noom, Yahoo Sports, and Rakuten. Our track record speaks for our expertise and excellence.Recognizing the transformative potential of AI in customer communication, we pivoted to an AI-first strategy in December 2024, launching our AI agent for enterprise customer experience by February 2025. Our rebranding to Delight.ai in November 2025 encapsulates our mission: to not just enhance efficiency, but to restore the essence of personalized service—creating delightful experiences for customers.About Delight.aiDelight.ai acts as the AI concierge for customer interactions, ensuring continuity and understanding across various channels. Unlike other AI agents, our solution retains memory, learns individual preferences, and maintains context—delivering a truly personalized experience.Why Join as a Senior Software Engineer, AI Agent?In an industry filled with superficial solutions, Sendbird's AI Agent platform stands out for its robustness, scalability, and genuine intelligence. This is not just maintenance work; you'll shape the core platform, designing orchestration, RAG pipelines, evaluation, and observability that will impact millions of customer interactions for years to come.