Hire the Best Symfony Developers
in the Netherlands

I’m new to Upwork — but not to the work. With 15+ years of hands-on e-commerce experience and a decade running my own international agency (Netherlands-based, serving B2B and B2C clients internationally), I bring a rare combination to the table: deep technical architecture skills and the business context to apply them where they actually matter. Agentic AI & Claude Ecosystem I don’t just call the Claude API. I build the infrastructure around it. That means setting up Claude Code for agentic development workflows, configuring Claude Cowork with scheduled tasks that automate daily operations, and building out MCP server stacks that connect Claude to real business tools: Jira, GitHub, Slack, Figma, Google Calendar, Office 365, Gmail, and more. I write custom Skills and rules that turn Claude into a context-aware collaborator, not a generic chatbot. Combined with n8n as the middleware layer, this creates autonomous workflows that replace manual processes across an entire business operation. Shopware 6 Architecture Six Shopware certifications, including Solution Architect and Backend Developer. Shopware Ambassador and Certification Panel member — meaning I actively shape certification standards for the global Shopware community, not just pass them. I build at the edges of the platform: custom plugin architecture, complex merchandising engines with scoring systems and OOS logic, OpenSearch/Elasticsearch integrations, Symfony service layers using DDD/CQRS patterns, and CLI-driven migration pipelines. I’ve debugged stuck scheduled task backlogs in production, tuned Redis and MySQL/InnoDB under high load, and run load tests ramping up to thousands of virtual users ahead of peak traffic events. My clients run stores generating up to €20M in annual revenue. If your Shopware 6 project is genuinely complex, I’ve likely already solved the hard part somewhere else — and I’ll tell you honestly if I haven’t. n8n Middleware & Integrations I use n8n as a primary integration layer between commerce platforms, ERPs, PSPs, POS systems, and AI services. I self-host, scale, and maintain these environments. I’ve resolved production incidents, designed database migrations, and built multi-step workflows that handle real order volumes. Why work with me? I’m a technical owner, not a task executor. I document decisions, propose architecture, flag risks early, and communicate clearly. Clients typically come to me when something is genuinely complex and they need someone who understands the full picture — not just the ticket in front of them. I’m new to Upwork. My reputation here is zero, and I won’t pretend otherwise. But 15 years of e-commerce architecture, a former agency, six certifications, and production systems across multiple clients don’t disappear because I haven’t logged hours on this platform yet. If you’re looking for a senior technical partner for an e-commerce or AI automation project — not a cheap pair of hands — let’s talk.​​​​​​​​​​​​​​​​

I’m a QA Engineer and Data Analyst with 3+ years of experience in testing, data visualization, and process optimization. Skilled in manual testing, API testing (expanding into automation with Selenium), as well as Python, SQL, Power BI, and Excel. I’ve delivered projects across industries, including e-commerce, fraud detection, and supply chain, both as a freelancer on Upwork and in corporate roles. Passionate about quality, data-driven decisions, and continuous learning — and open to new freelance opportunities.

Open-sourcer. 18 years of engineering experience. - Singlehandedly bootstrapped a working open-source SaaS business from my own idea to break-even (the current state). The business consists of mobile apps, a web app, browser extensions, and thousands of SEO pages. Check my GitHub to learn more. - For two years, I maintained and developed the main ticketing system for Air France/KLM as a core Full-Stack/DevOps engineer. The system is mission-critical for both airlines. Responsible for passengers' check-in experience and generates up to $1 billion in ticket sales each month. One hour of downtime costs approximately $200k/hour. - My open-source visual component for React/Angular/Vue receives up to 30 million monthly downloads via public CDN and up to 200 thousand monthly downloads via NPM. Check my GitHub to learn more. - Architected and built a job-posting templating system for Upwork (ex. oDesk) in 2014. I can be helpful if: - You need a mobile or web app, along with a backend and infrastructure. - You need a browser extension. - You need an AI integration. - You need a code quality and security audit. - You need someone to review your developers' code. - You need a design system and custom components. - You need to complete or refine a project. - You need someone who does the job, owns solutions, and doesn't require daily managing.

Hey, a real person will read your message, ask useful questions, and stay involved in the work - not just send you an AI-generated reply. I’m a Full Stack Developer, SaaS Developer and Backend Developer focused on building production-ready software that holds up under real-world usage. My work sits at the intersection of software developer, web developer, and SaaS platform builder, with a strong backend-first mindset and deep attention to scalability, performance, and long-term maintainability. As a Full Stack Developer, I take ownership of systems end-to-end, pairing robust backend architecture with clean, modern interfaces. My frontend work is typically React-based and I often collaborate with or replace traditional React developer or web developer setups by owning both frontend and backend in a single, coherent system. While I’ve previously worked as a WordPress developer and integrated WordPress-based sites into custom platforms, my current focus is on custom SaaS and API-driven systems rather than CMS-centric builds. As a SaaS Developer, I help companies design, build and scale SaaS products, internal tools and API-driven web applications intended for long-term use. My experience as both a Backend Developer and software developer allows me to think beyond features and focus on architecture, reliability and operational stability from day one. Many of the platforms I build support internal teams, customer dashboards and multi-role workflows where permissions, data integrity and business rules are critical. In my day-to-day work as a Backend Developer, I design and implement backend services, APIs and data models that power SaaS platforms, complex web applications and mobile-connected systems. I regularly work with Node.js and Python, drawing on my background as a Python developer to build scalable services, background jobs and asynchronous workflows that perform reliably in production. As a Full Stack Developer, I ensure these backend systems integrate cleanly with frontend applications, mobile extensions and third-party APIs. When required, I support frontend and mobile app developer workflows using React and React Native. This end-to-end ownership is a key reason clients bring me in as a Full Stack Developer rather than splitting work across multiple roles. A significant portion of my work as a SaaS Developer and Backend Developer involves building internal platforms, dashboards and API-first systems that integrate external services. In these projects, I often collaborate closely with product, growth, or analytics teams, including teams focused on SaaS marketing by designing clean data pipelines, event tracking and backend logic that supports experimentation, reporting and lifecycle insights. When projects require AI-powered functionality, I bring hands-on experience integrating AI into backend systems. While my primary role remains Full Stack Developer and Backend Developer, I regularly implement AI-enabled workflows, data processing pipelines and LLM-driven features inside SaaS platforms. This allows me, as a SaaS Developer, to deliver AI functionality that is reliable, observable and cost-controlled rather than experimental. Clients typically work with me when they need: - a Full Stack Developer who can own frontend and backend - a SaaS Developer who understands long-term scalability constraints - a Backend Developer experienced with real production systems - mobile app developer and React developer experience as a software developer - backend services built with Node.js or Python by an experienced Python developer - web applications with complex workflows and business rules from a senior web developer - API-driven architectures and third-party integrations - SaaS platforms designed to support growth, analytics and SaaS marketing data needs - MVPs that can realistically evolve into long-term SaaS products A large part of my work as a Full Stack Developer, SaaS Developer and Backend Developer focuses on: - multi-role dashboards and internal tools - authentication, authorization and permissions - API-first backend system design - integrations with external platforms, including legacy CMS or WordPress-based systems when required My core work as a Backend Developer and Full Stack Developer covers: - backend services built with Node.js and Python - APIs, background jobs and integrations - databases such as PostgreSQL - modern stacks using tools like Supabase - AI-enabled backend features where they add real business value I regularly work on MVP builds and early-stage products as a SaaS Developer, with strong focus on solid backend foundations and sensible scaling paths. Based on scope and timing, I work hands-on as a Full Stack Developer, SaaS Developer and Backend Developer and when useful, involve specialists from my team. Long-term results come from clarity and intentional system design. I focus on delivering software that teams can confidently run, maintain and scale.

I’m a Senior Backend & Cloud Engineer with a strong infrastructure background, specializing in scalable APIs, distributed systems, and production-grade cloud architecture. I started my career building customer-facing backend systems in PHP (Symfony), React applications, and Chrome extensions, while maintaining the Linux servers running them. I then progressed into a dedicated DevOps role where I operated as the sole infrastructure engineer, managing large bare-metal environments, multi-node Elasticsearch clusters (up to 70 nodes), multiple 20+ node Kubernetes clusters, MongoDB databases, and full monitoring stacks. Today, I design and maintain cloud-native backend systems across AWS and GCP, building high-performance APIs in Go and operating Kubernetes environments (EKS/GKE), IoT integrations, event-driven systems, and secure VPC architectures. What sets me apart is full-stack ownership — from application code to networking, infrastructure, observability, and production reliability. I’m comfortable operating at scale, working autonomously, and making architectural decisions that balance performance, cost, and long-term maintainability. If you’re looking for someone who understands both code and infrastructure deeply — and can take responsibility for systems end-to-end — I can help.

I secure, containerise and run the platforms I build. 25 years in PHP and Python, with Kubernetes (CKA), Azure (AZ-104), AWS and OWASP security work on top. I own the whole path: application code, the cluster it runs on, and the security posture around it. Most teams hire a developer, then discover six weeks later they need a DevOps engineer, and six months after that that nobody owns security. I do all three, which removes the handover gaps where things actually break. SECURITY - Web application security audits against the OWASP Top 10 - Automated vulnerability scanning: SQL injection, XSS, CSRF, insecure deserialization, security misconfiguration - STRIDE threat modelling, OAuth2 / OpenID Connect, secure API design - I built and run ShieldIndex, an AI-driven OWASP scanner with a rebuilt PentestGPT fork as its analysis engine CLOUD & INFRASTRUCTURE - Kubernetes (Certified Kubernetes Administrator), Docker, Terraform, Ansible - Azure (Certified Azure Administrator Associate) and AWS: migrations, App Services, AKS, Beanstalk, Lambda - CI/CD pipelines in GitHub Actions and Azure DevOps - On-premise to cloud migrations, production monitoring, incident and change management - Linux administration (LFCS certified) AI INTEGRATION - LLM and image-generation APIs integrated into production systems - The unglamorous part done properly: queueing, cost control, retry logic, failure handling - ProfileHero, my AI headshot platform on Laravel, React and AWS, is live and paying for its own infrastructure APPLICATION DEVELOPMENT - PHP 8: Symfony, Laravel, Lumen, Zend — 25 years, Zend Certified Engineer - Python: Django, Flask, automation and AI tooling (PCAP certified) - Legacy modernisation: Zend 1 to Symfony, on-premise to Azure, without a rewrite and without downtime - High-concurrency systems, REST APIs, Elasticsearch, high-traffic platforms WHERE I'M MOST USEFUL Take over a system nobody fully understands anymore and make it secure, deployable and maintainable again. That is the work I am best at and the work most people avoid. Certified: Zend Certified PHP Engineer · CKA · LFCS · Azure Administrator Associate · Azure Fundamentals · AWS Cloud Practitioner · PCAP Python Programmer Based in the Netherlands, fluent English and native Dutch, fully remote. Send me the problem and I will tell you honestly whether I am the right person for it.