Cloud Solution Architect Location: Remote (Spain or Portugal) Contract: Freelance / B2B / Autonomo Duration: 12 Months Start Date: ASAP We are currently looking for an experienced Cloud Solution Architect to join a long-term international project focused on API platforms, cloud architecture, security, and enterprise integration. You will act as the bridge between business requirements and technical implementation, helping delivery teams design secure, scalable, and production-ready solutions while ensuring alignment with architectural standards and best practices. Key Responsibilities • Design and evolve cloud-based solution architectures • Ensure alignment with API, domain-driven design, and event-driven architecture standards • Define and support authentication and authorisation strategies (OAuth2, OIDC, ReBAC) • Guide teams on secure connectivity patterns including mTLS and certificate-based trust • Work closely with technical leads, product owners, and delivery teams • Create architecture documentation and technical artefacts • Support implementation through to production deployment • Mentor engineers and provide technical leadership Required Skills • Strong experience as a Solution Architect or Technical Architect • Cloud architecture experience • API architecture and governance • REST APIs and integration patterns • Domain-Driven Design (DDD) • Event-Driven Architecture (EDA) • OAuth2 / OpenID Connect • Security architecture and authentication flows • Strong stakeholder management and communication skills This is a fully remote opportunity within an international English-speaking environment, offering long-term project stability and the chance to work on modern cloud and API platform initiatives.