Backend Engineer - Sponsored Content & Products (all genders)
About You SE & Co. KG3 days ago
Hamburg, GermanyMid Level
Responsibilities
- Build scalable backend services and RESTful APIs for a self-serve CPC bidding marketplace and brand tools using PHP 8.2+ and Laravel.
- Write unit and integration tests, participate in peer code reviews, and identify opportunities for refactoring.
- Collaborate with product managers, frontend engineers, and senior technical leads to define marketplace features and translate ad-tech requirements into code.
- Follow repository structures, coding conventions, and CI/CD pipeline procedures to deploy backend updates safely.
- Monitor application health and debug backend issues to keep real-time ad-serving and bidding endpoints fast and reliable.
- Use Cursor, Claude Code, Gemini, and similar AI tools to accelerate boilerplate creation, test writing, and problem-solving.
Requirements
- A degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- At least 3 years of hands-on professional backend software engineering experience.
- Strong experience with PHP 8.2+ and Laravel, object-oriented design, and clean-code practices.
- Experience building secure APIs, implementing authentication and authorization, and configuring request validation and rate limiting.
- Working knowledge of relational databases, efficient SQL queries, table schemas, indexes, and migrations.
- Familiarity with application logging, error tracking, and monitoring tools such as Datadog.
- Comfort using modern AI development tools such as Cursor, Claude Code, or Gemini.
- Strong ownership, pragmatic engineering judgment, and clear communication with technical and non-technical teammates.
- AdTech or loyalty-domain experience, including campaign dashboards, ad-tech delivery stacks, budgeting engines, or reward and coupon systems, is a plus.
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.