Principal DeveloperSolution Architect

Reporting to the IT Director Own the architecture the key technical decisions and the canonical platform API for a new digital energy retail platform Spain first built for multi-country rollout.

Key Responsibilities

• Own the overall architecture for the platform documenting key decisions in ADRs and setting coding standards and architecture patterns used across the squads.
• Own the canonical experience API and the anti-corruption layer the design authority that keeps legacy structure identifiers and state from leaking into customer-facing services.
• Own the country-abstraction model so the platform runs as one deployment with country as configuration protecting the scalability of the global core as new markets are added.
• Lead the design and guide implementation of mobile apps APIs backend services integrations data flows and frontend composition patterns.
• Lead on the use of code-gen AI tools within an Agile framework setting technical standards implementing skills and defining specs.
• Lead technical design reviews and establish quality gates across backend frontend data and QA activities.
• Partner with the Product Owners and the Platform Engineer to balance speed technical debt security regulatory needs and long-term platform scalability.
• Coordinate with the legacy platform team third-party providers (billing/switching energy-asset connectivity) and internal architecture/security teams.
• Mentor engineers and promote modern engineering practices: AI code gen CI/CD automated testing observability documentation and secure coding.

Qualifications :

• Proven experience as Principal Developer or hands-on Solution Architect in a digital product environment with a large customer base.
• Demonstrable experience designing anti-corruption layers or strangler-pattern integrations over an existing or legacy platform keeping a clean domain model independent of the underlying system.
• Experience working with the latest AI software development tools such as Claude Code/Codex skills and specs.
• Strong knowledge of building cloud-native architectures APIs microservices event-driven patterns and integration design.
• Strong current hands-on experience with a backend stack such as Java/Spring or for building web services APIs and web apps
• Solid understanding of how mobile and web frontends (e.g. React Native ) consume APIs enough to design composition patterns and BFF boundaries for them.
• Experience designing for multiple countries or markets from a single platform core.
• Experience with CI/CD automated testing observability security-by-design and production operations.
• Professional written and spoken English is required. Spanish Italian or French are considered as a plus.

Additional Information :

Remote Work :

No

Employment Type :

Full-time