Backend Engineer, Global Payments & AI-Driven Systems

United States Digital Space LLC; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

ByteDance in Singapore is seeking a backend engineer to design, develop, test, and operate backend services for global payment systems. You will build standardized capabilities across payments, refunds, settlements, merchant services, and billing, connecting business systems with payment platform capabilities across markets and partners.

Join a team focused on scalable, secure, observable systems, applying AI-assisted engineering to accelerate development and operations.

Qualifications

• Proficiency in at least one general-purpose language (Go, Java, C++, Python).
• Strong understanding of data structures, algorithms, OS, databases, networks, or distributed systems.
• Ability to analyze complex problems and develop practical solutions.

Responsibilities

• Design, develop, test, and operate high-quality backend services for global payment and financial systems.
• Build standardized capabilities across payments, refunds, settlement, merchant services, billing, and other critical money-movement workflows.
• Develop end-to-end payment solutions by connecting business systems with payment platform capabilities across multiple services, markets, and partners.
• Improve the scalability, availability, performance, security, and observability of systems processing high-volume financial transactions.
• Apply AI-assisted engineering tools to accelerate software development, testing, debugging, incident analysis, and operational automation.
• Explore AI-native capabilities and agent-based workflows that improve payment operations, engineering productivity, risk detection, and issue resolution.
• Collaborate with product managers, engineers, data scientists, operations teams, and external payment partners to solve complex technical and business problems.
• Participate in technical design, code reviews, production-readiness reviews, monitoring, and troubleshooting.
• Learn the fundamentals of payment systems and contribute ideas that create measurable customer, merchant, and business impact.

Skills

Go

Java

C++

Python

Data structures

Distributed systems

Algorithms

Problem solving

Networking

Job description

ByteDance in Singapore is seeking a backend engineer to design, develop, test, and operate backend services for global payment systems. You will build standardized capabilities across payments, refunds, settlements, merchant services, and billing, connecting business systems with payment platform capabilities across markets and partners.

Join a team focused on scalable, secure, observable systems, applying AI-assisted engineering to accelerate development and operations.