OS

Engineer

Osl Services Pte. Ltd.

D01 Marina, Raffles Place, People's Park, CecilPermanentS$13,000 – S$15,000/mo

Posted 20 Jul 2026

About this role

Role Overview: We are seeking a hands-on, strategic and results-driven Senior Software Engineer to drive the technical direction of our payments platform covering fiat rails, PSP integrations, and banking partners across our global footprint. You'll be the technical anchor of a small payments squad, coordinating execution alongside the squad engineers while writing code yourself every day. A core part of your remit is to modernise and shape the payments platform into a cleaner, more resilient surface that can scale with our future integrated roadmap. 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. Qualifications: Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience. 7+ years of hands-on software engineering experience, with meaningful time spent on payments, fintech, or adjacent transaction-heavy systems. Strong proficiency in Java and Spring Boot, with the ability and willingness to work in PHP (Laravel) where the existing codebase requires it, comfort moving bi-directionally across stacks is essential.

What they're looking for

Computer EngineeringPHPCode MigrationDirect experience

About Osl Services Pte. Ltd.

Industry: Administrative & support services

Frequently asked questions

What does a Engineer at Osl Services Pte. Ltd. do?

Role Overview: We are seeking a hands-on, strategic and results-driven Senior Software Engineer to drive the technical direction of our payments platform covering fiat rails, PSP integrations, and banking partners across our global footprint. You'll be the technical anchor of a small payments squad,…

What skills does this Engineer role need?

Key skills for this role include Computer Engineering, PHP, Code Migration, Direct experience.

How much does a Engineer at Osl Services Pte. Ltd. pay?

This role lists a salary of S$13,000 – S$15,000 per month.

Is this Engineer role remote, hybrid, or on-site?

The listing is based in D01 Marina, Raffles Place, People's Park, Cecil. Check the posting for remote or hybrid options.

How do I apply for this Engineer role?

You can apply directly on Osl Services Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.