Backend Software Engineer, Global Payment Infrastructure & Stability - Singapore

ResponsibilitiesAbout Global PaymentThe 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. We are looking for backend engineers who are passionate about building AI-driven infrastructure as well as strengthening system architecture, scalability and stability. This role focuses on designing and operating robust backend foundations that enable intelligent systems, improve service resilience, and support the long-term evolution of large-scale platforms. You will work on core backend systems that power AI capabilities in production, including platform architecture, service reliability, performance optimization, observability, and automation. The ideal candidate is committed to solving hard engineering problems and building infrastructure that is both technically strong and operationally dependable. You will partner closely with payment product teams, risk, compliance, finance, SRE, and global engineering teams to ensure payment services are secure, resilient, performant, and operationally excellent across markets. Responsibilities: - Design, develop and optimize backend systems uplift system architecture, fault tolerance and scalability across critical services, empowering the AI application to facilitate both efficiency and effectiveness. - Build foundational capabilities for high-availability services, distributed scheduling, data processing, and platform automation, including infrastructure to enhance monitoring, observability, alerting, incident response, and root cause analysis. - Analyze production incidents and new business features to plan long-term architectural improvements. - Take shift to handle critical production technical faults that impact critical payment system service. - Mentor interns on the related subject where applicable.QualificationsMinimum Qualification(s):- Bachelor's degree or above in Artificial Intelligence, Computer Science, Software Engineering- Strong programming skills in one or more languages such as GO, JAVA, C++, or Python- Solid foundation in data structures, algorithms, operating systems, networking, and databases - Strong problem-solving ability and ownership mindset, and be able to write and present clearly- Good cross-functional communication and collaboration skillsPreferred Qualification(s):- Experience in AI infrastructure, machine learning platforms and intelligent systems engineering- Experience in payments, fintech, transaction platforms, banking integrations, or financial infrastructure- Experience building and operating distributed systems in production environments- Experience with backend architecture, service reliability, and performance optimization- Experience improving system reliability, availability, observability, and operational excellence- Understanding of SRE practices, incident management, and disaster recovery designAbout UsFounded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.​Why Join ByteDanceInspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.​As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.​Diversity & Inclusion​ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.​