Middle AI-Enhanced Backend Software Engineer - Customer Integration

Responsibilities We are building AI-enhanced digital products with a clear purpose: to help people all over the world see and hear better . At our Digital Excellence Hub in Málaga , you’ll join a senior, international engineering team focused on shipping high-quality software faster and smarter using the latest AI development tools. Within our Customer Intelligence domain , we are building the backbone that powers customer-centric experiences across the entire Fielmann ecosystem. One of our key initiatives is a scalable data ingestion platform that connects core operational systems with our customer engagement toolchain. Your mission will be to design and build a robust, event-driven backend service layer that: Ingests and transforms high-volume operational data Ensures reliable, secure, and compliant data flows Enables real-time and batch integrations Serves as the foundation for analytics, automation, and AI-driven personalization You will be building infrastructure-grade services that become mission-critical for how we understand and serve our customers. This is your opportunity to shape the future of AI enhanced software engineering in a real-world, purpose-driven environment. Requirements 👀 What We’re Looking For 3+ years of backend experience with Node.js and TypeScript Deep hands-on expertise with AWS (e.g. API Gateway, AppRunner, SQS, Glue, Lambda, Step, etc.) Strong knowledge of AWS CDK Comfortable designing secure, observable cloud-native architectures Experience with monitoring/observability tools (e.g. DataDog ) Experienced with and genuinely excited by AI development tools (e.g. Cursor, Copilot, Tabnine) Always exploring new tools and technologies — with a strong drive to turn ideas into shipped products Agile mindset, fluent in English, and a strong sense of ownership Conditions 💎 Why You’ll Love Working With Us Build meaningful products for Fielmann , Europe’s leader in eye & hearing care Impact the lives of millions of customers across digital channels Use state-of-the-art AI tools like Cursor, Co-Pilot and what’s next in daily work Be part of a senior team at our Málaga Tech Hub — with remote flexibility Work in a value-driven company that empowers people through tech Grow in a team culture designed for experimentation & future-proof skill building 📍 What You Get 📍 Based in Málaga (Hybrid - 40% on site) in a modern, high-quality workspace 🕐 Permanent contract with flexible working hours (core time 10-16) 💬 English-speaking team, flat structure, minimal meetings 👓 Attractive employee benefits (e.g. free glasses or sunglasses) 👨‍🏫 Mentorship & career growth in AI-enhanced Software Engineering