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Remote, Madrid·Full-time·Added yesterday (last checked 28 Oct)
Our summary
- Work mode
- Remote (Madrid)
- Contract
- Full-time
- Experience
- 5+ years
Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
This job advert was originally written in Spanish.
Requirements
Nice to have
- Next.js (SSR with MFEs)
- Edge rendering
- Observability:
- Centralized logs
- Monitoring (Datadog, Sentry)
- Feature flags
- Experience in monolith → MFE migrations
The role
Design, develop and evolve Casiopea's digital experiences using React technologies, guaranteeing usability, performance, accessibility and maintainability, incorporating advanced Artificial Intelligence capabilities, intelligent assistants and conversational experiences oriented towards healthcare professionals, administrators and patients.
1. Experience
- +5 years in frontend
- +3 years with React in production
- Experience in:
- Large applications (enterprise / SaaS)
- Multidisciplinary teams
- Active participation in:
- Frontend architecture
- Key technical decisions
- Mentoring other developers
2. Advanced React
- Full mastery of:
- Hooks (core + custom)
- Modern lifecycle
- Advanced patterns:
- Compound components
- Hooks pattern
- Headless components
- State:
- Redux Toolkit / Zustand
- Side effects control
- Optimization:
- Intelligent memoization
- Code splitting (React.lazy, Suspense)
- Render performance
3. Solid TypeScript
- Advanced typing:
- Complex Generics
- Typing of hooks and HOCs
- Domain modeling:
- Robust interfaces for APIs
- Good use of:
- Union types
- Narrowing
- Inference
4. Vite (production level)
- Use in real projects
- Configuration:
- Custom plugins
- Aliases and module resolution
- Knowledge of:
- Differences with Webpack
- Bundle optimization
- Dev/build performance
Minimum expected experience
- Having worked with real MFE architectures in production
Technical knowledge
- Implementation strategies:
- Module Federation (Webpack / Vite Federation)
- Single-SPA
- Microfrontends via Web Components
- Communication between MFEs:
- Event bus
- Props / shared state
- Custom events
- Management of:
- Shared dependencies (shared libs)
- Versioning
- Isolation vs reuse
Architecture
- Design of:
- Shell / container app
- Integration of multiple MFEs
- Deployment:
- Independent per microfrontend
- Decoupled CI/CD
Known problems (and how to face them)
- Dependency deadlocks
- React duplication
- Runtime performance issues
- Coordination between teams
6. Data management
- APIs:
- REST and/or GraphQL
- Strategies:
- Caching
- Revalidation
- Data synchronization between MFEs
7. UI and styles
- CSS knowledge to apply them based on the UI team's designs
8. Testing
- Unit + integration:
- Jest / Vitest
- React Testing Library
- Testing in MFE:
- Test isolation
- Mocking external MFEs
9. Architecture and best practices
- Design of:
- Scalable and modular frontend
- Clean code:
- Separation of concerns
- Handling of:
- Error boundaries
- Distributed logging (especially in MFE)
10. Ecosystem
- Advanced Git
- CI/CD per microfrontend
- Monorepos (Nx, Turborepo)
- Tools:
- ESLint
11. Security
- Secure handling in distributed environments:
- Tokens shared between MFEs
- XSS protection
- Authentication strategies:
- SSO in MFE architecture
13. AI
- Prompt Engineering
- RAG
- MCP
- LLMs
- Function Calling
- AI Agents
- Vector Search
- Semantic Search
- Responsible AI
Soft skills (even more critical in MFE)
- Communication between teams (key in MFE)
- Ability to define contracts between applications
- Global architecture vision
- Ownership of functional domains
About Inetum
Inetum is a global digital services and consulting company that provides technology solutions to businesses and public sector organizations. With a workforce of over 27,000 employees across more than 26 countries, the company specializes in areas such as cloud infrastructure, cybersecurity, application development, and digital transformation services. Inetum operates across various industries, including finance, healthcare, energy, and public administration, offering end-to-end IT services from consulting to managed operations.
In Spain, Inetum has a significant presence with multiple offices and a large team of IT professionals. The company is known for its collaborative work culture and focus on innovation, making it an attractive employer for international tech talent. Inetum actively hires for roles in software development, SAP consulting, Salesforce, and infrastructure management, offering opportunities for career growth and exposure to large-scale projects. For international professionals, Inetum provides a multicultural environment and the chance to work on diverse, high-impact initiatives across Europe and beyond.
- Founded
- 2000
- Employees
- 20,000–30,000
- Headquarters
- Paris, France
- In Spain
- Madrid, Barcelona
Good to know if you are moving
- Inetum has a large presence in Spain with offices in Madrid, Barcelona, and other cities, offering numerous opportunities for IT professionals.
- The company works on international projects, providing exposure to global clients and cross-border teams.
- Inetum offers roles in high-demand areas such as SAP, Salesforce, DevOps, and cybersecurity, which are valuable for career advancement.
- The company provides a multicultural work environment, with employees from various nationalities and backgrounds.
- Inetum supports professional development through training and certification programs, helping employees stay current with emerging technologies.
In their own words
About the company & team
We are looking for an AI FrontEnd Engineer for a Health project, to Design, develop and evolve Casiopea's digital experiences using React technologies, guaranteeing usability, performance, accessibility and maintainability, incorporating advanced Artificial Intelligence capabilities, intelligent assistants and conversational experiences oriented towards healthcare professionals, administrators and patients.
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