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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior PHP developer - **Company:** Sander - **Location:** Aalst, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Software as a Service, Cloud Computing, Software Quality, Code Review, Databases, DevOps, Electronic Data Interchange (EDI), Monitoring of Systems, Software Architecture, Systems Integration, Google Cloud, Reliability of Systems, Backend, Event Driven Architecture, Front End Software Development, Restful APIs, Docker, Web Api, Programming Languages - **Published:** September 9, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=fe4a0ef35c09f335 ## About the Role You bring: * An AI-first mindset and actively use AI tools as part of your development workflow to improve productivity, code quality, and problem-solving. * Strong experience developing and delivering backend applications using a modern programming language. * Hands-on experience designing and working with RESTful APIs. * Experience connecting applications with third-party systems and external APIs. * A solid understanding of databases, software architecture, and scalable system design. * Experience developing or working with cloud-based applications. * Strong analytical and problem-solving skills, combined with attention to detail. * A collaborative approach and the ability to work effectively with other technical and non-technical colleagues. * A genuine interest in building reliable, high-performing software at scale., Experience with one or more of the following is a plus: * Hospitality technology or SaaS platforms. * Property Management System (PMS) integrations. * Event-driven architectures. * Docker and containerisation. * CI/CD pipelines. * Cloud platforms such as AWS, Azure, or Google Cloud. * Monitoring and observability solutions. ## Description As a Senior Backend Developer, you will play a key role in building the APIs, integrations, and backend services that help thousands of hospitality professionals automate and streamline their daily operations. You will design and develop secure, scalable, and reliable backend solutions that form the foundation of the platform and connect it seamlessly with the wider hospitality ecosystem. Working closely with Product, Frontend, and DevOps teams, you will help deliver high-quality software that is designed to scale and ready for production. Responsibilities Develop scalable backend solutions * Design, develop, and maintain robust backend applications and APIs. * Build reliable services supporting the platform's core functionality. * Create reusable, maintainable, and scalable backend architectures. * Ensure applications meet high standards for security, performance, and availability. * Continuously identify opportunities to improve scalability and system reliability. Build and maintain integrations * Develop integrations with Property Management Systems (PMS), IoT devices, payment providers, and other third-party solutions. * Design APIs that enable smooth and reliable data exchange between systems. * Analyse and resolve integration issues and optimise performance where needed. * Work together with external technology partners to deliver stable integrations. Deliver high-quality, production-ready software * Write clean, maintainable, and thoroughly tested code. * Take ownership of features throughout the entire development lifecycle, from design to deployment. * Contribute to code reviews and help establish strong engineering practices. * Monitor applications in production and proactively identify and resolve technical issues. Collaborate across teams * Partner closely with Frontend Developers to create reliable and efficient APIs. * Share technical knowledge and provide input to colleagues, Sales, and customers when relevant. * Contribute to technical decisions and help the wider team continuously improve. ## Related Videos - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Shifting Stress to Progress— Understanding DevOps to do DevOps Better](https://www.wearedevelopers.com/videos/268-shifting-stress-to-progress-understanding-devops-to-do-devops-better) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [Say goodbye to building boring APIs with Azure Data API Builder](https://www.wearedevelopers.com/videos/1194-say-goodbye-to-building-boring-apis-with-azure-data-api-builder) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) ## Related Articles - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)