Senior Backend Engineer (Payment Product and Solution) - Global Payment

About the Team: The Global Payment team of ByteDance provides payment solutions - including payment acquisitions, disbursements, transaction monitoring, payment method management, foreign exchange conversion, accounting, reconciliations, and so on to ensure that our users have a smooth and secure payment experience on ByteDance platforms including TikTok.

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

Requirements

Minimum Qualification:

1. Proficient in Java/Go and mainstream backend frameworks, with proven experience in distributed architecture and high-concurrency processing;
2. Familiar with common middleware including caching, message queues and databases; capable of independent core system solution design and iterative delivery;
3. Deep understanding of financial-grade requirements for high availability, reliability and data consistency; skilled in stability assurance strategies and fund risk control measures;

Preferred Qualification:

1. Familiar with payment business and system links; able to sort out business workflows, capital flow and information flow and deliver targeted solutions;