Backend Engineer, Marketplace (Order Operations)

Shopee; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

Shope e in Singapore is seeking a Backend Software Engineer to contribute to the marketplace platform by building scalable features such as returns, refunds, and settlement. The role emphasizes performance, reliability, and a focus on user experience across distributed systems.

Ideal candidates have 1+ year of backend experience and are proficient in Golang, Python, C++, or Java. Familiarity with MySQL, Redis, and Kafka, plus interest in agentic AI paradigms, are highly valued.

Qualifications

• Bachelor's Degree in Computer Science or related field.
• At least 1 year of backend experience.
• Familiar with Golang, Python, C++, Java.
• Interest in agentic AI paradigms such as LLM tool calling, multi-agent frameworks, and retrieval-augmented architectures preferred.

Responsibilities

• Realizing business goals through implementing features to Shopee as a platform, including returns and refunds, and clearing and settlement.
• Designing and building distributed systems optimized for performance, availability, and user experience.
• Writing high-quality, clean, and maintainable code with unit testing, source control, CI, and automation.”
• Researching, proposing and executing projects to enhance system functionalities, development processes, and shared middlewares.
• Collaborating in a cross-functional environment with Software Engineers, Product Managers, QA Engineers, and Operations Engineers to deliver impact.

Skills

Golang

Python

C++

Java

Education

Bachelor's Degree in Computer Science or related field

Tools

MySQL

Redis

Kafka

Job description

The Marketplace Order Operations team powers the critical order related features of Shopee as a platform through innovation and technology. In our pursuit to shape the way buyers and sellers connect with each other, we engineer scalable, reliable and extensible systems that evolve with the dynamic e-commerce landscape. As we scale to the next engineering frontier for the global market, we continuously solve unique challenges such as building agentic solutions to automate operations, designing multi-market architectures, developing highly sustainable systems, and delivering core functional capabilities for the department. Our tech leaders take responsibility for products, define engineering roadmaps, and work with cross-functional teams to achieve excellence in product performance and technical sustainability.

Job Description

• Realizing business goals through implementing features to Shopee as a platform, including but not limited to return and refund, and clearing and settlement.
• Designing and building distributed systems optimized for performance, availability, and user experience.
• Writing high-quality, clean, and maintainable code and respecting engineering best practices (unit testing, source control, continuous integration, automation, design patterns, etc.)
• Researching, proposing and executing projects to enhance system functionalities, development processes, and shared middlewares.
• Collaborating in a highly cross-functional environment with fellow Software Engineers, Product Managers, Quality Assurance Engineers, and Operation Engineers to deliver impact.

Requirements

• Bachelor's Degree in Computer Science or related field
• At least 1 year of backend experience.
• Familiar with commonly used languages, such as Golang / Python / C++ / Java
• Familiarity with or strong interest in agentic AI paradigms—including LLM tool calling/function execution, multi-agent frameworks (e.g., LangChain/LangGraph), and retrieval-augmented backend architectures is strongly preferred
• In-depth understanding of Data Structures and Algorithms, Networking, OS and other Computer Science fundamentals
• Familiar with commonly used Databases, such as MySQL
• Familiar with commonly used middlewares, such as Redis and Kafka
• Familiar with HTTP/TCP/XML/JSON/Protocol Buffers
• Familiar with distributed systems, performance tuning, massive concurrency handling, and caching mechanisms