Jobs at Coupang

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In this role you will build and lead a global development team focused on the design, building and operation of systems that will drive management of retail selection on Coupang. The systems you build will 1) Help retail teams at Coupang manage millions of products by providing real-time decision support and automation and 2) Improve how vendors manage, market and merchandise their products on Coupang. Retail Systems is responsible for helping Coupang scale the retail business to include millions of products from tens of thousands of vendors. We build decision support systems, self service tools and an automation platform which enables retail teams and vendors to be more productive.

Coupang Global team is seeking a dynamic and motivated Principal Program Manager for the Coupang Global business. In this role, you'll work in a fast moving and ambiguous environment, and will be responsible for helping us define, plan, and execute the strategy for a new business within the Global Consumer Direct team. The primary goal of this role is to help Coupang expand relevant global presence of the right brands and selection to our customers in Korea. You will gather data for making critical business decisions, partner with multiple stakeholders and leaders across the organization, and build scalable strategies that take into account both business and customer needs. This person must be a self-starter, able to work autonomously and be entrepreneurial by nature.

The Security Architecture & Engineering team has a mission to design and deliver an architecture that will secure the Coupang enterprise infrastructure and IT. To this end, we should have broad knowledge and experience in the field of infrastructure & IT technology including network, endpoint, and cloud. Based on this, we create and validate appropriate security best practices for Coupang and provide guidelines.

Building, owning, and maintenance of large-scale distributed systems. Providing technical direction to junior engineers in the team. Establishing and executing short and long-term design and architectural roadmaps for the business. Continuing to innovate on the platform to support delivery programs worldwide. Driving continual improvement to the efficiency and flexibility of the business platform while keeping high bar for customer trust, performance and availability.

As our Senior Software Engineer for Common Data Services team, you will be responsible building solid infrastructure to construct, monitor and manage blaze-fast and consistent data pipelines with ease. The core mission is to provide company-wide trustful and high-quality common data sources. Do you love working with mills-second level streaming pipelines using technologies like Spark and Flink? Do you possess deep expertise in designing and building the Big Data systems of tomorrow? Do you want to be part of an exciting group chartered to implement the next generation Data pipeline platform for Coupang? If you answered yes to the above, then we want to talk to you.  

As our Senior Software Engineer for Retail Systems, you will be responsible for designing and implementing business automation platforms that are highly valuable to our Retail business. This includes building efficient user interfaces as well as back end services that are low latency and highly scalable.

The Retail Systems team is responsible for creating systems that allow our product vendors and third party sellers to list and manage their products on Coupang. As the backbone of Coupang, our mission is to create highly scalable systems that empower our vendors and third party sellers to grow and manage their Coupang businesses online and through mobile platforms. Coupang is a global company and our systems must enable global scale. Our Retail Systems team is your opportunity to see if you have what it takes to create a new global retailer. We have big goals at Coupang and the Retail Systems team is at the center of it all!

Building Highly Scalable and Reliable services-oriented architecture. Designing, developing and supporting world-class systems serving individuals and business of all sizes. Driving and working on algorithm and architecture design, execute and deliver results. Big Data Analytics supporting data collection, modeling, and optimization. Working directly with machine learning scientists to scale up models on retail purchases, vendors, and other Coupang data to deeply understand our customers. Working with strategic domains such as inventory management, ordering, personalization, and supply chain management..

Architect and drive the build out of Coupang's next generation platform.  Build durable code, with the ability to scale with very large data volumes.  Engage in system architecture decisions. Apply knowledge and implement big data technologies such as Hadoop, Hive, HBase, Spark and enhance AWS technologies to support Coupang.com’s big data requirements in support of its online e-commerce system. Foster, mentor, and enforce industry best practices in data architecture design, design patterns and coding standard.

As a Systems Architect/Senior Principal Systems Engineer for our platform team, this role will focus on leveraging Cloud Platform infrastructure, services and processes at its best to help increase infrastructure & system Efficiencies, Productivity, scalability and system quality improvements at 10X scale. This role will be responsible for diving deep into business problems, understanding current customer pain points, system domain, current Platform limitations (if exists) and then work closely with engineering teams / leaders to design and architect new system / services leveraging cloud infrastructure that can scale 10X better, is reliable, and is highly available. The includes providing system architecture artifacts, accountability on cloud infrastructure choices that can perform and scale at 10X level but are still efficient, guidance on using right machine type, network designs etc . You will be part of a Global team working from different locations but still works as a central connected unit.

As a Technical Program Manager for our platform team, you will work closely with members of multiple business & Engineering teams to help define, streamline, design and analysis data to build business requirements and then work with engineering teams to articulate requirements, further perform functional & technical data & system analysis, drive engineering to implementation via all phases of Software Development Lifecycle (SDLC). In addition, the ideal candidate must possess a high degree of collaborative skills, and the ability to communicate effectively on many levels. 

Develop solutions for real world, large-scale machine learning and artificial intelligence problems. Enable research scientists to scale new ML models and deploy in production environments. Providing technical direction to junior engineers and scientists’ in the team. Establish and execute short and long-term design and architectural roadmaps for key team projects. Driving continual improvement to the efficiency and flexibility of the existing services while keeping high bar for customer trust, performance and availability. Participate in cutting edge research in artificial intelligence and machine learning applications.

As a Big Data Engineer of our data platform team, you will design, develop, test and implement the data infrastructure that supports company-wide Big Data Processing teams. This role will involve working closely with the bigdata user community across the company including Data Scientists, Engineers & Analysts who use our bigdata platform to do interesting and impactful analysis. You will have significant responsibility and influence in shaping the future of big data platform engineering at Coupang.

As a Software Development Engineer working on Storage Platform, you will use software engineering skills to build and run large-scale, massively distributed, fault-tolerant systems. Build software components to ensure that our systems and services have sufficient reliability and uptime in accordance to the business needs. You have the opportunity to build some of the largest database/storage systems and platform components to support data access traffic with thousands to millions of QPS (queries per second). You will also be expected to improve system reliability and availability by implementing software and processes to prevent failures.  

We are looking for passionate Engineers to build the big data pipeline, systems models powers our advertisement products. This includes working on a greenfield project and building low latency and highly available services, scaling systems, building APIs for programmatic integrations. As a Software Engineer working, you have the opportunity to work on the core technologies of big data processing like Hive/HBase/Spark/Kafka, etc. You will identify and solve hard problems to improve the system scalability, enhance the reliability, as well as optimize the resource efficiency

· Building, owning, and maintenance of large-scale distributed systems. · Providing technical direction to junior engineers in the team. · Establishing and executing short and long-term design and architectural roadmaps for the business. · Continuing to innovate on the platform to support delivery programs worldwide. · Driving continual improvement to the efficiency and flexibility of the business platform while keeping high bar for customer trust, performance and availability.

As a Systems Architect / Principal Systems Engineer for our platform team, this role will focus on leveraging Cloud Platform infrastructure, services and processes at its best to help increase infrastructure & system Efficiencies, Productivity, scalability and system quality improvements at 10X scale. This role will be responsible for diving deep into business problems, understanding current customer pain points, system domain, current Platform limitations (if exists) and then work closely with engineering teams / leaders to design and architect new system / services leveraging cloud infrastructure that can scale 10X better, is reliable, and is highly available. The includes providing system architecture artifacts, accountability on cloud infrastructure choices that can perform and scale at 10X level but are still efficient, guidance on using right machine type, network designs etc . You will be part of a Global team working from different locations but still works as a central connected unit.

As a Site Reliability Engineer working on Storage Platform, you will combine both software and systems engineering skills to build and run large-scale, massively distributed, fault-tolerant systems. SRE ensures that our systems and services have sufficient reliability and uptime in accordance to the business needs. You have the opportunity to build some of the largest database/storage systems and platform components to support data access traffic with thousands to millions of QPS (queries per second). You will also be expected to improve system reliability and availability by implementing software and processes to prevent failures. 

Work with Product Managers, Business Owners, Engineering and other teams on product yield opportunities and assess potential impact. Own the development of economic models and manage the data analysis, modeling, and experimentation necessary to validate. Participate in product execution on an iterative basis for implementation and verification of the impact of the model. Understand impact of product offerings on adserver behavior and how advertiser behavior impacts the ads marketplace. Determine best approaches for marketplace design weighing advertiser impact, customer experience, and monetization.

You will architect and drive the build out of Coupang’s next generation infrastructure frameworks. You will build durable code, with the ability to scale with very large data volumes. Build our next generation deployment system on K8S and AWS for the company-wide to achieve zero downtime and smooth upgrading under large scale. Operate and develop new features on our in-house API Gateway and Service Mesh to the company-wide. Keep innovate on using AWS Cloud based component (Service Based) to replace our existing company data center hardware.

Lead the Catalog data science team in a hands-on capacity to deliver solutions that enhance customer experience. Apply your experience in Machine Learning, Deep Learning, NLP and related fields to solve problems in various areas of eCommerce. Ensure business value is delivered by prioritizing well, and building metrics and dashboards to assess the performance of our solutions. Influence the product and technology direction of Coupang. Partner with engineering, product and business teams to identify opportunities to improve customer experience. Own strategy and vision for the team.

Provide guidance and subject matter expertise in infrastructure, application & data security to engineering teams across the company. Apply risk-based thinking enabling teams to make the right security decisions and priorities. Identify gaps in existing security architecture and design and recommend changes or enhancements. Develop and promote the adoption of security patterns and practices of using AWS and other internal and third-party services. Build tools and automation that enable Coupang developers to easily consume security services delivered by the security team. Partner with platform and engineering teams to integrate security controls into continuous integration, delivery and deployment processes. Build strong relationships with Coupang's technical teams and cultivate a culture of security awareness and ownership. Provide hands on security training and secure coding best practices to developers.

Develop solutions for real world, large-scale machine learning and artificial intelligence problems. Enable research scientists to scale new ML models and deploy in production environments. Providing technical direction to junior engineers and scientists’ in the team. Establish and execute short and long-term design and architectural roadmaps for key team projects. Driving continual improvement to the efficiency and flexibility of the existing services while keeping high bar for customer trust, performance and availability. Participate in cutting edge research in artificial intelligence and machine learning applications.

As part of the Coupang Data Platform organization, Web Logging Platform team is responsible for collecting & providing all client-side event logs from Coupang web sites, mobile apps & other supporting systems. Using Coupang’s big data infrastructure on AWS, we collect, load, process the logs for downstream users to analyze user behavior of their systems. WLP also provides various tools & services for the users to use the log data more productively and to have confidence with quality of the data. 

• Building & managing log collection pipeline, from end-point API to data loader application & monitoring batch jobs. • Solving complex issues on our services for log data reliability & quality. • Managing & improving log metadata for data discovery & governance.