Senior Full Stack Engineer - Campaign Engine (all genders)
About You SE & Co. KG2 days ago
Berlin, GermanySenior
Responsibilities
- Ship full-stack Campaign Engine features across PHP/Laravel APIs and React UI components.
- Design technical features and build background jobs, REST endpoints, and MySQL migrations.
- Implement domain logic for CPC bidding, ad budgets, billing flows, and campaign eligibility.
- Maintain typed frontend-backend contracts using OpenAPI and TypeSpec.
- Own production stability through automated tests, AWS ECS deployments, and Datadog/Sentry alerting.
- Review full-stack code, optimize database queries, and use AI coding tools such as Cursor and Claude Code.
- Partner with Product to break down features, estimate effort, and deliver iterative releases.
- Share technical knowledge through collaboration and peer code reviews.
Requirements
- At least 5 years of full-stack engineering experience building and scaling production web applications.
- Computer science degree or equivalent hands-on experience.
- Deep expertise in PHP 8 and Laravel, including RESTful APIs, background queues, input validation, and MySQL schema design and query tuning.
- Strong TypeScript and React frontend skills, or equivalent Vue experience, including server-state management and typed API clients.
- Experience with contract-first API design using OpenAPI or TypeSpec.
- Experience writing full-stack automated tests with tools such as PHPUnit, Vitest, and Playwright.
- Familiarity with Git, CI/CD pipelines, AWS, Redis, Datadog, Sentry, and AI coding assistants.
- Ability to own features from ideation through production and communicate technical trade-offs clearly.
- Preferred experience in ad tech, marketplaces, bidding or budgeting, or eCommerce.
- Preferred experience with Eloquent, Horizon, Ant Design or similar component libraries, MobX or similar state management, styled-components, PHPStan/Larastan, Rector, ESLint, Nx monorepos, OpenSearch, and BigQuery.
Benefits
- The company emphasizes an inclusive workplace welcoming people from different backgrounds and perspectives.
- Candidates can apply online through the career page; additional benefits are referenced on the company benefits page.
Tech Stack
Categories
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.