Real-Time Payments Tech Lead

re-zoo-me; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Mastercard in Singapore seeks a Lead Software Engineer for Real-Time Payments (RTP). You will provide hands-on technical leadership, own complex design and delivery, and mentor engineers to raise the bar on reliability, performance, and operability.

You’ll collaborate with Product, Architecture, and Operations to ensure production-ready solutions that meet strict performance and regulatory standards in a fast-paced, cross-functional team.

Qualifications

• 7–10 years of software engineering experience, building and supporting enterprise backend systems.
• Strong hands-on experience designing and building distributed systems.
• Solid understanding of microservices and event-driven architectures.
• Experience with performance tuning, scalability, and failure handling.
• Production on-call or operational responsibility.

Responsibilities

• Own detailed design and implementation for features or subsystems within a RTP product or capability.
• Apply reference architectures and patterns (e.g., microservices, event‑driven design) consistently.
• Translate functional and non‑functional requirements into robust, production‑ready solutions.
• Participate in technical design reviews and incorporate feedback from architects and peers.
• Make sound technology decisions at the team level, balancing delivery speed, risk, and maintainability.
• Drive end‑to‑end delivery for assigned features—from design through production support.
• Remain hands‑on for critical paths, complex integrations, and performance‑sensitive components.
• Lead by example in clean code, testability, and maintainable design.
• Conduct and contribute to code reviews, ensuring quality, security, and performance standards are met.
• Support engineers in solving non‑trivial technical problems across application, messaging, and data layers.
• Promote disciplined development practices, including automated testing and CI/CD usage.

Skills

Distributed systems design

Microservices

Event-driven architecture

Performance optimization

On-call/production ownership

Mentoring teammates

Clear communication

Tools

Java/Spring

Observability tools

Cloud platforms

Containerization

Messaging & APIs

Job description

Mastercard in Singapore seeks a Lead Software Engineer for Real-Time Payments (RTP). You will provide hands-on technical leadership, own complex design and delivery, and mentor engineers to raise the bar on reliability, performance, and operability.

You’ll collaborate with Product, Architecture, and Operations to ensure production-ready solutions that meet strict performance and regulatory standards in a fast-paced, cross-functional team.