Senior Backend Engineer - Checkout (all genders)
About You SE & Co. KG2 days ago
Hamburg, GermanySenior
Responsibilities
- Design scalable software architecture for checkout APIs and backend services.
- Translate complex business requirements into clean PHP and Go implementations.
- Build high-throughput, low-latency APIs using Go concurrency primitives.
- Optimize MySQL queries and indexing and implement Redis caching patterns and data structures.
- Own technical initiatives from initial design through production deployment.
- Collaborate with product managers and engineers to deliver well-designed features.
- Apply modern engineering practices including test-driven development, pair programming, and automated CI/CD pipelines.
- Mentor fellow developers through code reviews and collaborative sessions.
- Evaluate and use modern tooling, including AI coding assistants, to improve development workflows.
Requirements
- At least 5 years of hands-on backend engineering experience.
- Strong experience with modern PHP 8+ and frameworks such as Symfony or Laravel.
- Deep experience writing idiomatic Go and using goroutines and channels.
- Strong understanding of SOLID principles, clean architecture, and distributed system design.
- Experience optimizing MySQL and Redis data and caching layers.
- Hands-on experience or active interest in using GenAI tools for development workflows or product features.
- Ability to independently solve complex technical problems from design through deployment.
- Strong English communication skills and a collaborative approach to code quality and peer mentorship.
Benefits
- Benefits are available through the company benefits page and may vary by location.
- The company promotes an inclusive, accepting, and fair workplace with flexibility, creativity, and continuous development opportunities.
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.