Join us as a (Senior) Full Stack Developer - Web (f/m/d) in Berlin Our Story We are looking for a Senior Full Stack Developer (Web Platform) to help shape and scale think-cell’s web platform and enable multiple teams to efficiently manage and publish content. This is not a role for someone who only wants to work within a fixed web stack or maintain existing templates. We are looking for a web engineer who enjoys solving complex technical problems, making sound architectural decisions, and building systems that remain robust and maintainable as requirements evolve. You will work across frontend and backend, improve the technical foundation of our web platform, and help us build scalable solutions that enable our teams to manage and publish content. Along the way, you will collaborate closely with stakeholders across design, marketing, product and engineering but with strong ownership over technical quality, long-term maintainability, and the overall direction of the platform. Our Values As part of our team, you will embody and help shape the following principles that define us: Forward Thinking: We embrace change and challenge the status quo. Ownership: We take pride in our work and learn from our mistakes. Customer First: We prioritize delivering lasting value. Unified Team: We foster collaboration, respect, and integrity. Strive for Excellence: We set ambitious goals and pursue quality. What you will do Design, build, and evolve our web platform features across front-end and CMS back-end. Solve complex technical problems in a pragmatic way, balancing speed of delivery with long-term maintainability Drive architectural improvements that make our web ecosystem more robust, scalable, and easier to work with Build and improve our back-end functionality in PHP and Laravel for integrations, dynamic features, and internal tooling Extend and optimize our CMS and publishing workflows to support efficient content operations without compromising technical quality Improve performance, Core Web Vitals, accessibility, and technical SEO foundations across the platform Work on the evolution of our current web architecture, while also challenging existing approaches when better solutions exist Collaborate with design, marketing, product, and engineering teams to turn business requirements into well-structured technical solutions Interface with back-end systems written in C++, ensuring reliable and efficient data exchange across system boundaries Identify opportunities to improve developer experience, reduce complexity, and raise the overall engineering standard of the platform Take ownership of technical tasks and help define best practices for modern web development at think-cell What we are looking for Strong experience building and shipping production-grade web platforms, applications, or systems A proven ability to solve non-trivial technical problems and work confidently in complex web related codebases Strong full stack engineering skills, with solid backend experience in PHP, Laravel, or similar technologies and a frameworks Strong frontend fundamentals, including HTML, CSS, JavaScript and modern approaches to building maintainable user interfaces Good judgment when making architectural and technical trade-offs A pragmatic mindset: you know when to build for flexibility and when to keep things simple Curiosity and confidence to work with unfamiliar technologies or domains when needed A strong sense of ownership and responsibility for code quality, maintainability, and technical outcomes Experience collaborating across disciplines and communicating clearly with technical and non-technical stakeholders in English Nice to have Experience with Statamic CMS Experience with static site generation challenges Experience with Deployment Tools such as Jenkins or similar tools Familiarity with Tailwind, Alpine.js, or similar frontend tools Experience improving performance-critical, SEO-relevant, or content-heavy platforms Familiarity with Python for automation or tooling Experience integrating with non-web backend systems or services Why is think-cell the right place for you? think-cell is a profitable, fast-paced software company based in Berlin. Our products simplify and enhance PowerPoint, used by over 1.3 million professionals worldwide including top consulting firms and global corporations. We prioritize code quality, elegant algorithms, and a refined user experience. Owned and led by computer scientists, think-cell offers a developer-focused environment that attracts and retains top engineering talent.