Berlin, Poznan PSI Software SE Central Functions Permanent Marketing Full-time The PSI Group develops software products for optimizing the flow of energy and materials for utilities and industry. As an independent software producer with more than 2,300 employees, PSI has been a technology leader since 1969 for process control systems that ensure sustainable energy supply, production and logistics by combining AI methods with industrially proven optimization methods. The innovative industry products can be operated on-premises or in the cloud. At PSI Software SE, we are shaping the future of industrial software infrastructure—with solutions in the areas of Grid & Energy, Manufacturing, and Logistics. As a Senior Full-Stack Developer on the global Digital Marketing team, you’ll bridge the gap between our technological excellence and our global brand presence. You’ll solve the core problem of system fragmentation by seamlessly integrating our CMS with our CRM systems and elevating our corporate website‑both front‑end and back‑end‑to a new level of performance, personalization, and scalability. In doing so, you’ll make the technological edge of our Industrial AI solutions digitally tangible and measurable for our customers worldwide. Tasks inspiring you
Orchestrate Interfaces: You’ll develop and optimize our custom TYPO3 extension to ensure seamless, high-performance, and secure real‑time data transfer to our CRM. Shape the digital platform: Working together with the interdisciplinary web team (comprising design, content, and marketing), you’ll design and implement new, interactive features for our corporate website that reflect PSI’s high technological standards. Automate processes: You’ll identify bottlenecks in lead and data flows and set up automated workflows between the CMS and CRM wherever they reduce manual work and improve data quality. Maximize performance through data: You’ll analyze technical performance metrics and analytics data, derive concrete optimizations for load times, SEO, and the user journey, and implement these directly in the code. Be a technological pioneer: You’ll ensure a clean, maintainable backend and a modern, accessible frontend to guarantee a contemporary, future‑proof web presence for a leading B2B software company. Qualifications That Inspire Us
In‑depth TYPO3 expertise: Proven experience in PHP‑based backend development and writing custom, maintainable, and secure TYPO3 extensions (ideally using Extbase and Fluid while adhering to current security standards). Modern front‑end expertise: Proficiency in HTML5, CSS/SASS, and JavaScript to implement responsive and accessible user interfaces. API expertise: Hands‑on experience integrating third‑party systems via REST or SOAP APIs, as well as secure handling of data streams. Understanding of data and tracking: In‑depth knowledge of the technical implementation and configuration of Google Analytics 4 (GA4) and Google Tag Manager (GTM). Language proficiency: Since you’ll be working in an international environment and collaborating closely with global stakeholders, business‑level English (spoken and written) is a mandatory requirement. A Plus Is
Some prior experience with CRM’s APIs. Experience with no‑code/low‑code interface tools for rapid workflow automation. A strong understanding of technical SEO factors (e.g., Core Web Vitals) and user‑centered UX design. Good German language skills are a plus, but not a requirement. We Offer
Corporate Benefits Development & Training Team Events Pioneering a smarter world. Are you on board? How We Work
“Can’t be done” isn’t in your vocabulary: You bring a strongly solution‑oriented mindset to the table. When the marketing team has an idea, you take on the challenge, translate it into technical possibilities, and say, “I’ll find a way to make this happen.” Autonomy and drive: We value and encourage an active, self‑organized approach to work. You don’t wait for detailed task assignments; instead, you proactively drive your projects forward and structure them independently. Bridge‑builder mentality: You enjoy explaining complex technical concepts in a way that’s easy for your colleagues in marketing to understand, and you work together as equals to refine the best user experience. Ute Graalmann HR Manager +49 30-2801 2732
