Senior Software Engineer - Card Platform & Payments

Reap; Malaysia; On-site; MYR 180,000 - 300,000; Full time

Benefits offered by this job

Insurance after probation

Reap Card stipend

AI tools at work

Continuous learning culture

Job summary

Reap in Hong Kong with global reach is hiring a Senior Software Engineer for the Card Engineering team. You will design, develop, and operate backend services powering card transactions, fraud detection, and card lifecycle management, while collaborating with product, compliance, and other engineers worldwide.

You will own critical systems, write clean, well-tested code, and help shape scalable, available APIs and services.

Qualifications

• 6+ years of software engineering experience, ideally in fintech, infrastructure, or platform teams.
• Experience building backend systems in a typed language.
• Solid grasp of distributed systems concepts: async processing, retries, observability, eventual consistency.
• Strong judgment in balancing correctness, performance, and maintainability.
• Ability to collaborate in cross-functional teams and communicate technical tradeoffs effectively.

Responsibilities

• Design and build backend services for card transaction processing, fraud detection, and/or card program management
• Contribute to system architecture and technical decision-making with a focus on performance, fault tolerance, and maintainability
• Collaborate with cross-functional stakeholders (Product, Risk, Finance, Compliance) to deliver robust, compliant financial systems
• Write clean, observable, and well-tested code in a service-oriented architecture
• Participate in code reviews, incident response, and ongoing reliability improvements
• Help evolve our engineering practices, tools, and system designs as we scale

Skills

6+ years of software engineering

Backend systems in a typed language

Distributed systems concepts

Cross-functional collaboration

Communicating tradeoffs

Tools

TypeScript

Node.js

NestJS

AWS

Job description

Reap in Hong Kong with global reach is hiring a Senior Software Engineer for the Card Engineering team. You will design, develop, and operate backend services powering card transactions, fraud detection, and card lifecycle management, while collaborating with product, compliance, and other engineers worldwide.

You will own critical systems, write clean, well-tested code, and help shape scalable, available APIs and services.