10/10/2026 updated

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Senior PHP Backend Engineer | Laravel, Symfony, SaaS & E-commerce

Delft, Netherlands
Only remote
HBO, Maritime Officer - Rotterdam University of Applied Sciences (2001-2005)
Delft, Netherlands
Only remote
HBO, Maritime Officer - Rotterdam University of Applied Sciences (2001-2005)

Profile attachments

Carsten_van_de_Beld_Senior_PHP_CV.pdf

About me

Senior Software engineer. Give me the business problem, the feature you want to build, or the system that isn't working properly, and I can take it through the whole process: understand what you actually need, work out the technical approach, design the solution and build it.

AI AgentsLLMPHPPython (Programming Language)LaravelMySQLJupyter NotebookVue.jsBackendFastAPIDocker
PHP & Laravel Development

Over 15 years of professional experience building and maintaining production web applications with PHP and Laravel, including Livewire and Inertia/Vue interfaces, REST APIs, OAuth, webhooks, and third-party integrations.

Backend Architecture & SaaS Platforms

Design and technical ownership of SaaS products and custom business applications, covering multitenant architecture, data isolation, Laravel queues/Horizon, scheduled processing, large data imports/exports, and multi-database applications.

E-commerce Development

Hands-on development with Magento, Shopware, Sylius, and WooCommerce, including new store builds, platform migrations, payment integrations, supplier/product feeds, stock synchronisation, marketplace integrations, and order and fulfilment workflows.

Infrastructure & DevOps

Linux production environments, Docker, Git, CI/CD pipelines, deployment, performance optimisation, and production debugging and troubleshooting.

AI/LLM Integrations

Integration of AI and LLM workflows into production applications, including MCP, RAG/vector search, structured outputs, and Dockerised Python services using FastAPI.

Database Design

MySQL and PostgreSQL database design for production applications, including large-scale data processing and multi-database architectures.

Web & Growth Technologies

Technical SEO, GA4/GTM, conversion tracking, marketing funnels, CRO/A/B testing, affiliate tracking, and content site development using Statamic and Astro.

Symfony Framework

Additional experience with Symfony for backend development alongside the primary Laravel stack.

Python & FastAPI

Development of Dockerised Python services and FastAPI-based backends as part of broader application architectures.

Experience

Professional experience10+ years
Freelancer since2013

Languages

EnglishFluentDutchNative speakerSpanishBasic knowledge

Project history

Senior PHP/Laravel Engineer & Technical Founder

Pawon Limited
Design, development and technical ownership of SaaS products, e-commerce platforms, custom business applications and integrations for international clients. Responsibilities include PHP/Laravel development across new and existing production applications, MySQL/PostgreSQL database design, REST APIs, OAuth, webhooks, third-party integrations, Laravel queues/Horizon, scheduled processing, large data imports/exports, multitenant and multi-database applications, Linux production environments, deployment, performance work, production troubleshooting, and AI/LLM integrations including MCP and business-process automation. Selected projects include an internal Laravel platform for an Australian marketing agency with AI workflows and MCP integration, SitePerfector (own production SEO/search-market SaaS), and e-commerce development across Magento, Shopware and WooCommerce.

Fractional CTO / Lead Developer

Immowi International
Lead technical ownership of a Belgian real-estate lead-generation platform built from the ground up. Translated owner/stakeholder ideas directly into production software, hands-on PHP/backend architecture and development, multitenant architecture and data isolation, high-volume property listing imports/exports using queues, external APIs and business-system integrations, internal dashboards, workflow automation, infrastructure, deployments and production troubleshooting. Technical ownership from requirements through implementation and operations over a 5+ year engagement.

Project Manager - Production Engineering

Rexnord
Industrial automation, robotics, production-system optimisation, machinery selection, commissioning and technical project delivery in the Netherlands.

Research Engineer - Mechanical & Maritime Systems

TNO
Experimental engineering, instrumentation, automated measurement systems, signal/data analysis and applied mechanical/maritime research based in Delft, Netherlands.

Marine Engineer - Offshore Operations

International Transport Contractors
Offshore engineering and operation/maintenance of mission-critical propulsion and mechanical systems in demanding international environments.

Product Specialist - Portable Industrial Systems

Atlas Copco
Industrial compressor/generator systems, field diagnostics, engineering support and technical troubleshooting in the Netherlands.

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