About NEORIS: NEORIS, now part of EPAM, is a Digital Accelerator that helps companies step into the future, with more than 20 years of experience as Digital Partners of some of the world’s leading organizations. We are over 4,000 professionals across 11 countries, with a multicultural, startup-driven culture that fosters innovation, continuous learning, and the creation of high-impact solutions for our clients. You must not include the end client if it appears in the provided profile. If anything is already in English, keep it in English. We are looking for a Middleware Integration Developer Requirements: • 7 years in backend/API engineering and proven domain experience in Payments or Cash Management • Strong expertise with Java (Spring Boot) and Python (FastAPI) • Hands-on experience with Kafka, schema registries, PostgreSQL, Redis • Deep understanding of OAuth 2.1, OIDC, mTLS, and enterprise secret management • Experience with Kubernetes (AKS), service mesh, Terraform, GitOps (ArgoCD) • Familiarity with Datadog AI/Dynatrace and AI-assisted observability • Experience with regulatory frameworks such as PSD2, GDPR, DORA • Proficiency in English and Spanish (tested) • Experience with vector DBs, RAG, LangChain or equivalent • Familiarity with Confluent Platform and schema evolution best practices • Experience in LLMOps, prompt engineering, and enterprise AI governance We offer • Permanent contract with a competitive salary • Flexible work model and possibility of remote work • Personalized career plan and continuous training (certifications, English, etc.) • Participation in stable projects with a strong technical component • Flexible working hours and focus on work-life balance • Social benefits tailored to your needs We invite you to learn more about us at http://www.neoris.com Facebook, LinkedIn, Twitter or Instagram: @NEORIS LI-MO1