PrincipalSoftwareEngineer(Real-TimePayments)

**Our Purpose** _Mastercard powers economies and empowers people in 200 + countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._ **Title and Summary** ### Principal Software Engineer (Real-Time Payments) ### Overview Mastercard’s RTP platform powers real‑time payment systems that operate as critical financial infrastructure across multiple markets, including the Philippines. These platforms demand exceptional levels of resiliency, correctness, and operational discipline. The Principal Software Engineer is a senior individual contributor role within the RTP Engineering & Support organization. This role works closely with engineering leadership to provide deep technical expertise, architectural guidance, and hands‑on execution across the platform. Role You will own the technical integrity of critical services and lead by example through hands‑on engineering and operational support. Key Responsibilities & Outcomes Own design and implementation decisions for complex, high‑impact platform components. Provide technical leadership during major incidents and complex production troubleshooting. Drive improvements across performance, scalability, fault tolerance, and observability. Raise engineering standards through design reviews, code reviews, and mentoring. Partner with DevOps and Operations teams to improve deployment safety and operational readiness. Influence long‑term platform evolution through technical credibility and sound judgment. All About You Deep hands‑on experience building and operating high‑throughput, low‑latency distributed systems. Strong production mindset with proven experi