Ige Olasoji

I founded Makao (makaotech.com), a platform that helps owners, managers, tenants, and buyers handle property deals and operations in a simpler, more organised, and more transparent way.

What it covers:
• Origination: search, application, terms, negotiation, and offer in one place
• Onboarding: e-signed or manual agreements, with payment schedules, collection and settlement set up automatically

Built and maintained contactless card payment flows for POS terminals, in line with card-scheme and EMV requirements.

Designed and automated transaction reversal and dispute-resolution workflows, reducing manual operations effort.

Implemented configurable interchange logic and dynamic RRN/STAN generation for POS transaction routing and reconciliation.

Led design and delivery of critical payment infrastructure across local and international rails, serving millions of users. Owned architecture decisions, led incident response, and mentored junior and mid-level engineers.

Architected and implemented a direct debit mandate system across multiple banks, enabling business clients to collect recurring payments without cards — opening a major new reve

Worked as Software Engineer at Paga Group Ltd.

Integrated external financial services via REST APIs and third-party SDKs; established versioning discipline that prevented downstream breakage during provider schema migrations.

Improved system resiliency through message-driven architecture, microservice hardening, and component refactoring.

Collaborated with product, compliance, and operations teams to deliver features in a fast-paced agile en

Led integration with a top-tier card scheme and acquiring partner (under NDA), contributing to the architecture and implementation of card systems that extended access to both banked and unbanked users.

Built USSD and card services enabling offline and card-based financial access for millions of users.
Designed multi-rail payment routing across top Nigerian financial institutions, using redundanc

Built an investment gateway platform enabling smooth B2B onboarding and activity management for business clients, with exposure to investment product integrations — increasing partnership activity by 80%.

Applied DDD and Hexagonal Architecture for modular, scalable system design.

Implemented event-driven communication via RabbitMQ, Kafka, and REST APIs.

Built data access layers using PostgreSQL

Maintained and enhanced internal auditing and reporting systems using PHP.

Ensured high availability of IT systems across Lagos State ministries.

Built an internal loan management system covering request, disbursement, and repayment workflows.
Supported state-level IT infrastructure stability.