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Senior Software Engineer

Company

OSL

Location

Singapore, Singapore

Posted

June 07, 2026

Position Overview

Key Responsibilities

Technical Direction & Hands-on Delivery: Set the technical direction for payments work and lead by example, you'll be in the codebase daily, shipping production changes alongside the squad, not just reviewing PRs.

Decoupling the Payments Service: Lead the gradual extraction of payment flows from the existing monolith into a well-bounded service, working bi-directionally across our Java (Spring Boot) and PHP (Laravel / VueJS) codebases as the migration progresses.

PSP & Banking Integrations: Design, build, and maintain integrations with payment service providers and banking partners, ensuring high availability, robust reconciliation, and resilient failure handling across fiat rails.

Reliability & Incident Reduction: Drive down payment failure rates and incident load through better observability, defensive design, and post-mortem-driven improvements, owning...

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