Senior Backend Engineer (m/w/d) - Fulfillment Services - onsite in Hamburg

We are currently looking for a skilled & passionate Senior Backend Engineer (m/w/d) for Fulfillment Services to become part of our Fulfillment Tech Team at ABOUT YOU! Our Fulfillment Tech Team is responsible for efficient and stable system solutions connecting our internal systems with external logistics driven systems, e.g. warehouse management systems and carrier connections. With a great sense for logistical business processes and deep knowledge of our systems they ensure the processing of thousands of parcels per day and a smooth customer experience across the whole order flow with focus on the delivery process. What you will do Translate business challenges into scalable technical solutions, collaborating with product managers and other engineers to ensure high-quality design, planning, and delivery.Design, build, and maintain RESTful APIs (internal and external) that power fast, reliable, and frictionless backend services.Apply modern agile methodologies and XP practices, including Test-Driven Development (TDD), pair programming, and continuous integration.Continuously learn and experiment – exploring new technologies, improving system reliability, and evolving our architecture for performance and maintainability.Contribute your ideas and take ownership – we value creativity, flat hierarchies, and quick decision-making that empowers engineers to make an impact. Who you are Technical Skills Strong, hands-on experience with PHP (Laravel)Proven experience in designing and developing distributed, high-traffic / high-load backend systems.Solid experience with AWS services, especially Fargate/K8S,, S3, SNS/SQS, RDS, and Redis.Deep understanding of SQL performance optimization, including efficient query design, data types, indexing strategies, and schema optimization.Demonstrated ability to own services end-to-end – from development and automated testing to deployment, monitoring, and incident response.Strong skills in breaking down complex technical challenges into manageable, maintainable, and easily deployable components. Soft Skills Hands-on, Self-motivated, responsible, passionate and eager to learn.Can perform complex technical tasks independentlyCan handle pressure in critical situations (e.g. technical emergencies) by remaining calm and finding pragmatic solutions and clearly communicating these.To be a multiplier of team efforts, ensuring that the results of team work are as expected and are technically sound.Being able to write bullet proof technical concepts based on business requirements. Benefits Täglich frisches Obst Sportkurse Freier Zutritt zur code.talks Exklusive Mitarbeiter Rabatte Kostenlose Getränke Sprachkurse Kostenloser Laracasts Account Company Events Relocation Unterstützung Mobilitätszuschlag State-of-the-art Technologien Zentrale Lage Betriebliche Altersvorsorge Hunde erlaubt Feedbackkultur Firmenfahrrad You Are The Core Of About You. We take responsibility for creating an inclusive and exceptional environment where all genders, nationalities, and ethnicities feel welcomed and accepted exactly as they are. We believe that a diverse workforce essentially contributes to the ABOUT YOU culture. To maintain talent and diversity, we emphasize the care for physical health, mental health, and overall well-being. Our values and work ethics essentially contribute to our brand mission: empower acceptance and shape an inclusive, fair, and circular fashion culture. We are looking forward to receiving your application – preferably via our online application portal! Thus, we can ensure a faster process and for you, it is very easy to upload your application documents. :-)