
Senior Backend Engineer - Checkout (all genders)
About You SE & Co. KG2 days ago
Hamburg, GermanySenior
Responsibilities
- Design and further develop scalable PHP and Go API architecture.
- Translate complex business requirements into clean, idiomatic Go solutions in collaboration with Product Managers and Engineers.
- Use Go concurrency mechanisms such as Goroutines and Channels to build high-performance, low-latency APIs.
- Optimize MySQL indexing and queries and implement Redis caching patterns and data structures.
- Drive technical initiatives from initial design through production release.
- Promote Test-Driven Development, Pair Programming, and automated CI/CD pipelines.
- Mentor developers through code reviews and collaborative work.
Requirements
- At least 5 years of practical backend engineering experience.
- Strong experience with modern PHP 8+ and frameworks such as Symfony or Laravel.
- Proficiency in clean, idiomatic Go and Go concurrency mechanisms including Goroutines and Channels.
- Solid understanding of software engineering principles, distributed systems design, and clean architecture.
- Strong knowledge of MySQL data-layer optimization and Redis caching.
- Practical experience or active interest in GenAI tools for development workflows or modern product features.
- Ability to independently deliver complex technical work from design through production.
- Fluent English, a collaborative working style, strong quality standards, and interest in mentoring and team development.
Benefits
- Inclusive and fair workplace that values diverse backgrounds and perspectives.
- Culture emphasizing flexibility, creativity, continuous development, international collaboration, and innovation.
About About You SE & Co. KG
ABOUT YOU SE & Co. KG operates an online fashion marketplace for European consumers and licenses commerce technology to brands via its SCAYLE platform. The group sells apparel and lifestyle products through its mobile app and aboutyou.com, and offers a cloud-based enterprise shop system under a license model to retailers. Founded in 2014 and headquartered in Hamburg, it is a publicly listed company.