ppbDo you want to design scalable backend systems and build powerful APIs that drive modern digital platforms? Then you’re the perfect fit for our team – working with German corporate clients and integral B2B market leaders! /b /p h3What we offer /h3 ul liThe chance to become part of a large, international agency group: approx. 350 great employees in Germany, a modern, customer‑centric business model and a true New Work environment. As part of MSQ with a further 1500 colleagues, we offer an international perspective with offices and sister agencies in the UK, USA and Asia /li liFlexible working environment: Hybrid or in one of our beautiful offices in Mainz, Ludwigsburg or Barcelona /li liAgile organization: Self‑organized teams, extensive onboarding, personal buddy and lots of support from experienced colleagues /li liWork life balance: job bike leasing, Smart'n'fit weeks, fitness and self‑care offers via EGYM Wellpass /li liAnd of course: modern hardware, well‑equipped tool landscape, company pension scheme, further training budget, in‑house training, company events,



drinks flat rate and good coffee /li /ul h3What you do /h3 ul liDesign and development of scalable backend systems and services using bJava and Spring Boot /b /li liBuilding and maintaining bREST and GraphQL APIs /b for modern web applications and digital platforms /li liDesigning and implementing bmicroservice architectures /b with a focus on scalability, resilience and maintainability /li liIntegration of external systems, databases and third‑party services /li liEnsuring high performance, security and reliability of backend services /li liClose collaboration with frontend developers, DevOps, UX/UI design and project management in bagile environments (Scrum/Kanban) /b /li liContinuous improvement of code quality, architecture and development processes /li /ul h3What you bring along /h3 ul lib5+ years of professional experience /b as a backend developer with bJava and Spring Boot /b /li liStrong experience in designing and developing bRESTful and/or GraphQL APIs /b /li liHands‑on experience with bmicroservice architectures /b and distributed systems /li liGood understanding of bsoftware architecture, clean code principles and backend design patterns /b /li liExperience with bCI/CD pipelines, version control (Git) and modern development workflows /b /li liStrong problem‑solving skills, ownership mindset and team‑oriented working style /li liVery good written and spoken bGerman or English skills /b /li /ul /p #J-18808-Ljbffr

📌 Senior Backend Developer (all genders) (Barcelona)
🏢 United Digital Group
📍 Barcelona