Pierre Dinh · Remote freelance developer
Senior backend developer — PHP, APIs & integrations
Extend your application, connect your tools and improve how data moves between them.
I use PHP to build the part of your application that handles data and business rules. I connect software through APIs and automate exchanges for internal tools, booking platforms, e-commerce and payments.
For businesses developing internal tools or digital products, and technical teams looking for backend support.
Experience with systems used in day-to-day operations
- 10+ years in backend development
- Payments, travel and industry
- PHP, APIs and business integrations
Start with the problem you need to solve
These are examples of assignments and possible deliverables. We agree on the scope and acceptance criteria before the work begins.
Develop and extend PHP backends
Add the features your business tool needs.
Connect software and partner APIs
Sync your catalogue or transfer bookings between systems.
Automate data exchanges and business workflows
Reduce manual data entry and generate PDF documents.
Integrate and improve payment flows
Integrate payments and track their status correctly.
Review, take over and stabilize an application
Investigate incidents and fix an existing application.
Three environments, practical backend work
These roles illustrate the systems I have worked on: payments at Nexway, booking at Cruisetech and product data at Torbel.
Nexway
August 2021 — PresentPayment provider integrations and payment platform maintenance.
View the context and workCruisetech
August 2019 — August 2021Development of booking platforms and business tools.
View the context and workTORBEL INDUSTRIE
April 2017 — August 2019Central product data, PDF generation and maintenance of group websites.
View the context and workSpecialist expertise in payment systems
Since 2021, I have worked on backend flows for an international payment platform. That experience is relevant to integrations that need transaction tracking, failure handling and incident investigation.
Payment provider integrations, subscriptions, refunds and handling failed payments.
Explore technical skillsHow would we work together?
We clarify your needs, agree on the scope, then work through implementation and handover.
See how an assignment worksAn application to extend or an integration to build?
Describe the current situation and what you would like to change. We can then identify the right scope of work.