> Markdown version of [/jobs/ext/3832600-senior-php-engineer](https://www.wearedevelopers.com/jobs/ext/3832600-senior-php-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior PHP Engineer - **Company:** SThree GmbH - **Location:** Hamburg, Germany (Remote available) - **Experience:** Expert - **Contract:** Temporary to permanent - **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Cloud Computing, Code Review, Relational Databases, Distributed Systems, PostgreSQL, Payment Service Provider, PHP Development, Software Architecture, RabbitMQ, Redis, Software Engineering, Systems Integration, System Availability, Caching, Backend, Event Driven Architecture, Containerization, Kubernetes, Apache Kafka, Video Streaming, Amazon Simple Queue Service (SQS), Microservices - **Published:** October 19, 2026 - **Apply:** https://www.adzuna.de/details/5931453608 ## About the Role * Extensive experience as a Backend Engineer with a strong focus on PHP development. * Proven expertise in designing and developing backend systems, APIs, and distributed applications. * This is not a Full-Stack role; the client is specifically seeking a backend specialist with deep PHP expertise. * Strong experience within FinTech, Payments, Banking, or Financial Services is highly preferred and considered a key requirement. * Proven experience working with transaction-driven systems that require high availability, scalability, and security. * Solid understanding of microservices, event-driven architectures, and systems integration patterns. * Experience with relational databases such as PostgreSQL and caching technologies such as Redis. * Familiarity with messaging and streaming technologies, including Kafka, RabbitMQ, or SQS. * Experience working in cloud-based and Kubernetes environments. ## Description I am currently looking for an experienced Senior PHP Engineer (m/f/d) to support the further development of a large-scale payments platform., * Design, develop, and maintain scalable backend applications and services using PHP. * Build and optimise APIs and integrations with payment service providers and financial systems. * Contribute to the design and evolution of microservice-based and event-driven architectures. * Ensure high availability, reliability, and performance of business-critical payment applications. * Work with cloud-native technologies and containerised environments. * Participate in architectural decisions, code reviews, and technical solution design. * Promote best practices in software engineering, testing, and operational excellence.