Senior Product Engineer — MultiplierOS Platform

re-zoo-me; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Remote or flexible hybrid work

Competitive salary + equity

Unlimited paid leave

Medical, vision and dental insurance

Job summary

Multiplier Holdings is building an operating system for financial and organizational data, connecting pricing, invoicing, payments, ledger, and reporting across portfolio companies. We seek a Senior Software Engineer to design scalable systems, evolve domain models, and lead complex, data-driven initiatives that directly impact revenue, billing, and analytics.

You will collaborate with Pod Lead, Product Experience, Finance, and Operations to replace spreadsheets and manual workflows with

Qualifications

• 8+ years of software engineering experience building and operating production systems.
• Strong ability to design systems, build integrations, model complex domains, and operate production software at scale.
• Comfortable working across the full lifecycle from problem understanding to implementation and iteration.

Responsibilities

• Design and evolve domain models representing financial, organizational, and operational data.
• Build integrations with accounting systems, payment platforms, internal tools, and portfolio-company software.
• Create reliable workflows that move data across systems with correctness and auditability.
• Improve observability, performance, and operational reliability.
• Collaborate with cross-functional teams to translate business needs into scalable software solutions.

Skills

System design

Integrations

Financial workflows

Production systems

Job description

Multiplier Holdings is building an operating system for financial and organizational data, connecting pricing, invoicing, payments, ledger, and reporting across portfolio companies. We seek a Senior Software Engineer to design scalable systems, evolve domain models, and lead complex, data-driven initiatives that directly impact revenue, billing, and analytics.

You will collaborate with Pod Lead, Product Experience, Finance, and Operations to replace spreadsheets and manual workflows with