Senior Backend Software Engineer - Customer Service Platform - Global E-Commerce Customer Service Platform

Global E-commerce is a discovery-driven e-commerce business, working to become a destination for users to discover and buy good products at affordable prices. We build a shopping experience that feels tailored to each user, and a platform merchants can rely on across live and short-video commerce.

The Customer Service Platform team builds and supports global customer service capabilities across key countries and regions, connecting consumers and merchants through the full service journey, from pre-sales inquiries to order support and after-sales care. By combining intelligent self-service with agent-facing tools and human support, we improve service efficiency and resolve complex customer needs at global scale.

You will build the self-service solutions users rely on and the tools agents work in, shaping the customer service experience across global markets.

Responsibilities:

• Design, develop, and maintain scalable, reliable, and high-performance backend services and systems.
• Own the end-to-end development lifecycle, from technical design and implementation to testing, deployment, and ongoing optimization.
• Build and optimize APIs, microservices, and distributed systems to support complex business requirements.
• Identify and resolve performance bottlenecks, improve system reliability, and ensure scalability as business demands grow.
• Drive technical design discussions, evaluate architectural trade-offs, and contribute to long-term technical strategy.

Requirements:

Minimum Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
• 5+ years of professional software development experience, with a strong focus on backend engineering.
• Proficiency in at least one backend programming language, such as Java, Go, C++, or Python.
• Strong understanding of data structures, algorithms, object-oriented programming, and software design principles.
• Hands-on experience designing and developing scalable backend services, APIs, and distributed systems.
• Solid understanding of databases, caching, messaging systems, and data modeling.

Preferred Qualifications:

• Experience building and operating large-scale, high-concurrency, or high-availability distributed systems.
• Experience with e-commerce platforms, transaction systems, or other large-scale consumer-facing products.
• Demonstrated ability to independently own complex technical projects and drive solutions across multiple teams.