Experteer Overview Join the Payment u0026amp; Basket Platform team to strengthen core stack and developer experience. You will help design high-performance, maintainable services while guiding cloud transition from on-premise. Collaborate across cross-functional teams to implement automated solutions for recurring support, foster a healthy technical culture, and contribute to scalable, secure payment and data-driven features. This role offers impact on mission-critical commerce platforms and opportunities to shape the architecture and DevOps practices. Compensaciones / Beneficios • Develop value-adding features for customers on the core stack • Apply Clean Code principles and DevOps ownership for services from requirements to operation • Make architectural decisions to ensure performance, robustness, and cloud migration readiness • Share knowledge and mentor team members to foster growth • Analyze recurring support requests and implement automated code-based solutions • Promote open,



constructive team discussions and continuous improvement Responsabilidades • 5+ years of professional Kotlin experience • Strong backend knowledge with Node.js/Express or Spring Boot • Experience in API design and integrating microservices in RESTful, fault-tolerant ways • Experience with SQL (PostgreSQL/MySQL) and NoSQL (MongoDB) databases • Git proficiency • Cloud platform experience, preferably Google Cloud • CI/CD pipelines experience • Understanding of payment gateways (Stripe, PayPal) • Knowledge of microservices architecture and testing strategies • Familiarity with security best practices for web apps • Ability to adapt to rapid technology changes • Excellent English communication skills Requisitos principales • Young environment with room to contribute • 10% discount on MediaMarkt website • Adaptable Pay program (health insurance, restaurant vouchers) • Flexible working hours and home office options • Office choices in Barcelona (HQ or Pier01) • Training budget and language clas

📌 Experienced FullStack Engineer (Barcelona)
🏢 Mediamarktsaturn
📍 Barcelona