Senior Backend Developer (m/f/d)

5+ years of professional experience with PHP, with deep expertise in Symfony framework Strong experience deploying and managing applications on AWS (EC2, RDS, S3, Lambda, CloudFormation, etc.) Solid understanding of object-oriented programming, design patterns, and SOLID principles Experience building and maintaining RESTful APIs and integrating third-party services Proficient with SQL databases (PostgreSQL, MySQL) and database design Comfortable with version control (Git), CI/CD pipelines, and agile workflows Strong problem-solving skills and ability to work independently Excellent communicator who can collaborate across Product, Design, and Engineering Fluent in English German is a plus Knowledge of Docker, Kubernetes, or other containerisation technologies (nice-to-have) Experience with event-driven architecture, message queues (SQS, RabbitMQ), or microservices (nice-to-have)

Build and maintain core features of Ordio's SaaS platform using PHP and Symfony Design, implement, and optimise scalable backend systems on AWS cloud infrastructure Architect solutions for complex problems in workforce management, time tracking, and scheduling Collaborate with Product and Design to translate requirements into technical solutions Participate in code reviews and mentor junior engineers Contribute to technical decisions around architecture, tooling, and development workflows Work with databases (SQL), APIs (REST/GraphQL), and third-party integrations Monitor, debug, and optimise application performance and reliability Champion engineering excellence: testing, documentation, CI/CD, and automation