Software Engineer (API)

Software Engineer (API) - global Payments Platform [Singapore]

Overview:

Hyphen is partnering with a MAS-regulated digital assets and payments platform to hire a Software Engineer in Singapore. This is a high-impact backend engineering role sitting at the intersection of fintech, digital assets, payments, API connectivity, and AI-driven automation, building infrastructure that connects banks, exchanges, PSPs, and external financial platforms.

The role:

You'll be working on scalable API connectivity and orchestration systems that support high-volume financial transaction flows across multiple channels.

This includes -

• Building reusable API connector frameworks
• Developing secure REST API and webhook integrations
• Designing smart routing logic based on latency, cost, channel health, liquidity and success rates
• Implementing retry, failover and resiliency mechanisms
• AI-powered operational capabilities such as intelligent alerting, failure analysis, smart channel recommendations, workflow automation, and LLM-enabled tooling to improve engineering and operations productivity.

Requirements:

• 3–5 years backend software engineering experience, ideally with Java/Spring Boot, Node.js, Python or similar technologies
• Strong API integration experience, including REST APIs, webhooks, JSON, distributed systems integration and API troubleshooting
• Good understanding of API security and orchestration, including OAuth2, JWT, HMAC/RSA signatures, routing, middleware, monitoring or API gateways

This is a strong opportunity for an engineer who wants to build core connectivity and automation infrastructure in a fast-moving, regulated fintech environment, with exposure to digital assets, payment flows, external financial platforms, and practical AI engineering.

If that sounds like you, Apply now to explore the opportunity confidentially. You may also submit your CV directly to [Confidential Information] for immediate consideration.