Senior Software Engineer, Card Solutions

Reap

Senior Software Engineer constructing backend services for Reap's card platform. Design, develop, and operate services that power card transactions and fraud detection.

Posted 6/8/2026full-timeRemote • 🇭🇰 Hong KongSeniorWebsite

Tech Stack

Tools & technologies

Distributed SystemsGoJavaTypeScript

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

6+ years of software engineering experience, ideally in fintech, infrastructure, or platform teams
Experience building backend systems in a typed language (e.g., TypeScript, Java, Go, etc.)
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
Comfortable working in a fast-paced, evolving product environment

Benefits

Comp & perks

High-ownership, high-impact role at the frontier of stablecoin-powered finance
Work directly with strategic partners and shape how Reap expands its financial ecosystem
Operate with significant autonomy as Reap's technical owner of a key partnership
Join a high-caliber team across engineering, product, and operations
Insurance coverage after probation
Reap Card stipend
Use of AI tools at work — and the space to learn, experiment, and grow with them
A culture of innovation, inclusion, and continuous learning

ATS Keywords

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Hard Skills & Tools

backend servicescard transaction processingfraud detectionsystem architecturetyped languagesTypeScriptJavaGodistributed systemsservice-oriented architecture

Soft Skills

collaborationcommunicationjudgmentcross-functional teamworktechnical tradeoffs