€300 per dayLong Term ContractFully RemoteGlobal IT company who specialise in software for the design and engineering domain is looking to hire a Senior Solution Architect for a remote contract role. Top 3 Experience “Must Haves”:Proven experience designing and building systems, solution, platform, or enterprise architecture within the AWS ecosystem.Strong knowledge of domain-driven design, API architecture, relational and event-driven data models.Experience designing, building, or supporting integrations with enterprise HR, finance, or workforce planning systems, such as Workday HCM, Workday Adaptive Planning, or similar platforms.ResponsibilitiesLead the design and delivery of a secure orchestration platform for sensitive workforce transformation workflows, partnering with HR and adjacent teams.Define the end-to-end target architecture spanning frontend applications, backend services, databases, workflow-control services, identity and access, audit, integration adapters, reporting, export, and deployment.Design the reusable workflow foundation for role permissions, stage gates, approval routing, scenario/version management, change ledger, validation, reporting, exports, and reconciliation.Define data-isolation and access-control patterns so multiple Business Transformation products can reuse shared technical components while maintaining separate security rules, data models, workflows, user groups, and operating processes.Establish nonfunctional requirements for scale, availability, recoverability, observability, performance, maintainability, disaster recovery, and support.Lead technical design reviews, architectural decisions, risk management, engineering standards, and solution documentation.Provide active technical direction to the Full-Stack Engineers and implementation team, ensuring build decisions align with the approved architecture, security model, and platform roadmap.Contribute hands-on to technical design, prototypes,



implementation patterns, or complex problem-solving when needed. Required Qualifications10+ years of enterprise software engineering experience, including 4+ years in systems, solution, platform, or enterprise architecture. Proven experience building scalable solutions within the AWS ecosystem.Proven experience architecting secure workflow, case-management, planning, or orchestration platforms involving workflow automation and human-in-the-loop processes.Strong knowledge of domain-driven design, API architecture, relational and event-driven data models, identity and access management, and enterprise integration.Experience designing systems that handle sensitive employee, financial, legal, or regulated data.Deep understanding of role-based access control and preferably attribute-based or field-level authorization.Technical fluency across modern full-stack technologies such as React/TypeScript and enterprise backend services using Python/FastAPI, Java/Spring, Node.Js, .NET, or comparable stacks, with ability to go hands-on when needed.Experience with cloud architecture, CI/CD, infrastructure patterns, observability, disaster recovery, environment separation, and production support.Strong communication skills with the ability to translate between business executives, domain teams, security partners, data teams, and engineers. Preferred QualificationsExperience designing, building, or supporting integrations with enterprise HR, finance, or workforce planning systems, such as Workday HCM, Workday Adaptive Planning, or similar platforms.Experience with workforce planning, organization design, hierarchical data, scenario/version modeling, restructuring workflows, or highly governed people-transformation processes.Familiarity with AI-assisted workflow patterns, with a strong understanding of where deterministic rules and human approval must remain authoritative.Background building solutions for regulated general environments with strict audit and governance requirements.

📌 Senior Solution Architect - €300 A Day - Remote (Valencia)
🏢 Global IT
📍 Valencia