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# Senior Full Stack Engineer - Campaign Engine (all genders)

- **Company:** About You
- **Location:** Hamburg, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, BigQuery, Static Program Analysis, Continuous Integration, Data Validation, Cursor, Laravel, MySQL, Query Optimization, Redis, TypeScript, Web Applications, Openapi, Eslint, Datadog, ReactJS, Claude Code, Phpunit, Backend, Git, Vue.js, Information Technology, Playwright, Sentry, Front End Software Development, Api Design, JestJS, Restful APIs, OpenSearch
- **Published:** October 14, 2026
- **Apply:** https://startup.jobs/senior-full-stack-engineer-campaign-engine-all-genders-about-you-se-co-kg-10434343

## About the Role

* 5+ years of full-stack engineering experience building and scaling production web applications (computer science degree or equivalent hands-on experience)
 * Deep backend expertise in PHP 8 and Laravel, including RESTful APIs, background queues, input validation, and high-performance MySQL schema design and query tuning
 * Strong frontend proficiency in TypeScript and React (or Vue), with solid hands-on experience managing server state and working with typed API clients
 * Contract-first API design skills using OpenAPI/TypeSpec, backed by a strong habit of writing full-stack automated tests (PHPUnit, Vitest, Playwright)
 * Familiarity with production tooling and observability, including Git, CI/CD pipelines, AWS, Redis, Datadog/Sentry monitoring, and modern AI coding assistants (Cursor, Claude Code)
 * True end-to-end ownership: You take complete accountability for features, guiding them smoothly from early ideation to a healthy production state
 * A pragmatic, adaptable mindset: You focus on delivering iterative value over over-engineering, staying autonomous and effective even when project scopes evolve
 * Clear communication and strong collaboration: You can translate complex technical trade-offs for product teams and enjoy sharing knowledge during peer code reviews

Nice to have

 * Ad-tech, marketplace, bidding/budgeting or eCommerce domain experience.
 * Experience with React
 * Experience with Laravel (Eloquent, Horizon)
 * Ant Design (or a similar enterprise component library), MobX or similar state management, and styled-components.
 * Static analysis and automation (PHPStan/Larastan, Rector, ESLint) and Nx monorepos.
 * Experience with OpenSearch, BigQuery