Senior Backend Engineer — Payment Systems & Scale

ByteDance; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

The ByteDance Global Payment team is seeking a Senior Backend Engineer to own merchant payment scenarios end-to-end within our global platform, including onboarding, processing, settlement, and tax invoicing. You will build robust, scalable backend services in Java or Go and work across distributed systems to support TikTok and other ByteDance products.

Responsibilities include optimizing payment modules, ensuring high availability, strengthening fraud controls and compliance, and driving

Qualifications

• Proficient in Java or Go with distributed backend experience.
• Experience with high availability and data consistency.
• Strong understanding of financial-grade requirements for payments.

Responsibilities

• Take end-to-end ownership of merchant payment business scenarios across the full payment lifecycle.
• Develop and optimize payment modules covering merchant onboarding, transaction processing, clearing and settlement, revenue sharing, billing reconciliation, fee calculation, and tax invoicing.
• Drive core system optimization and technical upgrades to ensure secure, stable, and efficient business operations.
• Continuously improve system performance, scalability, and high availability.
• Strengthen financial risk control and industry compliance capabilities across payment systems.
• Adopt advanced technologies and engineering practices to improve R&D efficiency and overall business operational performance.

Skills

Java/Go

Distributed architecture

High-concurrency processing

Tools

Caching

Message queues

Databases

Job description

The ByteDance Global Payment team is seeking a Senior Backend Engineer to own merchant payment scenarios end-to-end within our global platform, including onboarding, processing, settlement, and tax invoicing. You will build robust, scalable backend services in Java or Go and work across distributed systems to support TikTok and other ByteDance products.

Responsibilities include optimizing payment modules, ensuring high availability, strengthening fraud controls and compliance, and driving