Backend Engineer • Senior

Who you are

You have over 5 years of backend engineering experience, building production systems that scale effectively — you've owned services from design through deployment and have navigated complex distributed systems challenges. Your deep expertise in Java and Spring allows you to create high-throughput APIs that handle millions of requests, and you have strong opinions on service architecture and testing strategies. You thrive in a collaborative environment, working closely with cross-functional teams to drive innovation and efficiency in logistics. You are comfortable with the fast-paced nature of e-commerce and are eager to push the boundaries of what's possible in technology. Your problem-solving skills are top-notch, and you enjoy tackling challenges head-on, always looking for ways to improve processes and systems. You understand the importance of customer satisfaction and are motivated by the impact your work has on enhancing the user experience.

Desirable

Experience with cloud technologies and microservices architecture would be a plus, as well as familiarity with containerization tools like Docker and orchestration platforms like Kubernetes. A background in logistics or e-commerce systems can also set you apart in this role.

What you'll do

As a Senior Staff Backend Engineer at Coupang, you will be at the forefront of building and optimizing the systems that enable rapid delivery to customers. You will design and implement robust backend solutions that support Coupang's ambitious logistics goals, ensuring that orders are processed efficiently and accurately. Your role will involve collaborating with product managers and other engineers to define system requirements and translate them into technical specifications. You will also be responsible for conducting code reviews, mentoring junior engineers, and ensuring best practices in software development are followed. Your contributions will directly impact the speed and reliability of Coupang's delivery network, making a significant difference in customer satisfaction. You will engage in performance tuning and optimization of existing systems, identifying bottlenecks and implementing solutions to enhance throughput and reduce latency. Additionally, you will participate in architectural discussions and contribute to the overall technical direction of the team, helping to shape the future of Coupang's technology stack.

What we offer

Coupang provides a dynamic work environment where innovation is encouraged, and your contributions are valued. You will have the opportunity to work with cutting-edge technologies and be part of a team that is transforming the e-commerce landscape. We offer competitive compensation and benefits, along with opportunities for professional growth and development. You will be part of a diverse and inclusive culture that fosters collaboration and creativity, allowing you to thrive in your career. Join us at Coupang and be a part of our mission to redefine the future of commerce.