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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer - Campaign Engine (all genders) - **Company:** About You - **Location:** Hamburg, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Query Performance, PHP (Programming Language), Artificial Intelligence, Automation of Tests, Code Coverage, Code Review, Relational Databases, Cursor (Graphical User Interface Elements), Laravel, Routing, OAuth, Object-Oriented Software Development, Systems Development Life Cycle, Software Engineering, Web Application Frameworks, Datadog, Database Optimization, Backend, Production Code, Front End Software Development, Api Design, Restful APIs - **Published:** June 17, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=59b811f48b0d81ed ## About the Role Do you have experience in SDLC?, * 7+ years of professional backend software engineering experience * Modern PHP Ecosystem: Advanced proficiency in modern PHP (8.2+) and modern web frameworks such as Laravel with deep knowledge of object-oriented design patterns * API Design & Integration Routing: Extensive experience building enterprise-grade, secure RESTful APIs, managing intricate OAuth lifecycles, and implementing robust rate-limiting and defensive validation rules * Relational Database Architecture: Strong relational database proficiency, including schema engineering, indexing strategies, transaction handling, and query performance tuning * Observability & Telemetry Integration: Deep practice instrumenting application telemetry, writing actionable distributed logs, and building metrics monitoring profiles inside platforms like Datadog * AI-Augmented Development: Practical skill integrating modern AI tools (such as Cursor, Claude Code, or Gemini) directly into the software development lifecycle to automate and accelerate code iteration loops * High Autonomy & Proactive Ownership: Highly self-directed engineer who thrives on setting technical directions, establishing code patterns, and building workflows from a clean slate * Pragmatic & Delivery-Oriented: A practical problem solver who values shipping clean, predictable, and functional increments over premature optimization or hyper-abstract engineering * Clear Technical Communicator: Capable of translating complex architectural tradeoffs, system limits, and technical complexities into clean business terms for non-technical stakeholders Nice To Have: * AdTech or Loyalty Domain Familiarity: Prior exposure building self-service campaign dashboards, ad-tech delivery stacks, budgeting engines, or reward/coupon systems. ## Description Architect Greenfield Backend Services: Design, develop, and deliver scalable, high-performance core backend systems and RESTful APIs from scratch for the Campaign Engine product layer * Establish Engineering Standards: Define clean software architectural blueprints, coding standards, repository layouts, and CI/CD pipelines, initially leveraging a modern PHP 8.2+ and Laravel-based ecosystem * Drive Testing and Code Health: Champion excellent engineering practices within the team via automated test frameworks, strict test coverage and systematic code reviews * Cross-Functional Technical Stewardship: Partner closely with the Team Lead Product, Frontend Engineers, and central infrastructure teams to evaluate architectural trade-offs and translate commercial objectives into robust code * Deploy AI-Augmented Engineering Workflows: Architect, configure, and optimize modern, AI-augmented development setups utilizing tools such as Cursor, Claude Code, or Gemini., We take it as our responsibility to create an environment where everyone feels welcome, exactly as they are. Different backgrounds and perspectives make us stronger and shape our culture in ways that matter. What we stand for internally, we stand for as a brand: acceptance, inclusion, and a fairer approach to fashion. ## Related Videos - [Recruitment Reinvented: Bold strategies and the $10K signing incentive](https://www.wearedevelopers.com/videos/1068-recruitment-reinvented-bold-strategies-and-the-10k-signing-incentive) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Emergency Discussion: Can’t Hire the Right Developers? 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