Remote-First Backend Engineer, Payments & Card Systems

Binance; Singapore; On-site; SGD 33,000 - 60,000; Full time

Job summary

Binance is seeking an enthusiastic Backend Engineer intern on the Pay & Card team in Singapore to help build reliable, scalable payment services powering crypto and fiat experiences.

You will work with cross‑functional teams, design and implement APIs, handle high‑volume transactions, and learn about distributed systems, security, and observability while contributing to core backend services.

Qualifications

• Pursuing a Bachelor’s or Master’s degree in CS, Software Engineering, Computer Engineering, or related field.
• Strong foundation in data structures, algorithms, OOP and CS fundamentals.
• Proficiency in Java, Go, C++, Python or similar backend language.
• Understanding of relational databases and SQL (indexes, transactions, design).
• Familiarity with RESTful APIs, HTTP, networking, and client-server concepts.
• Understanding of operating systems, concurrency and backend engineering concepts.
• Ability to write clear, maintainable code and reason about problems.
• Strong communication and willingness to learn in a fast-moving environment.

Responsibilities

• Design, develop, test, and maintain backend services supporting Binance Pay and Card products.
• Build scalable APIs and microservices for payment processing and merchant services.
• Develop distributed systems handling high-volume, latency-sensitive transactions.
• Work with databases, caching, message queues, and other infra to improve performance.
• Implement robust transaction workflows with retries, idempotency, concurrency, and failure handling.
• Troubleshoot production issues via logs, metrics, tracing and root-cause analysis.
• Write clean, well-tested code and participate in code reviews.
• Collaborate with product and engineering teams to translate business requirements into technical solutions.
• Contribute to improvements in reliability, observability, security, and engineering practices.

Skills

Backend fundamentals

Data structures & algorithms

RESTful APIs

Distributed systems concepts

Communication

Problem solving

Education

Bachelor’s or Master’s degree in CS/SE/CE

Tools

Java

Go

C++

Python

SQL

Job description

Binance is seeking an enthusiastic Backend Engineer intern on the Pay & Card team in Singapore to help build reliable, scalable payment services powering crypto and fiat experiences.

You will work with cross‑functional teams, design and implement APIs, handle high‑volume transactions, and learn about distributed systems, security, and observability while contributing to core backend services.