Staff Node.js Software Engineer

Wizeline·Spainsenior

In short

→Ingeniero de software Node.js con enfoque en migrar sistemas legados de PHP a arquitecturas modernas.
→Trabajas de forma hands-on en código, liderando arquitectura y decisiones técnicas en entornos complejos.
→Destacan el uso integrado de herramientas de desarrollo asistido por IA como GitHub Copilot y Claude Code.

Proficiency in English is required for collaboration with global teams.

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What they ask for

✓Experiencia Staff o Lead en ingeniería de software con autonomía técnica.
✓Experiencia sólida con sistemas legados en PHP (Symfony, PHP nativo).
✓Conocimiento práctico de full-stack: Next.js, Node.js, APIs (REST, GraphQL).
✓Capacidad para modernizar sistemas legados sin interrumpir el negocio.
✓Habilidad para entender lógica empresarial compleja (contratos, pagos, comisiones).
✓Experiencia en estrategias de migración escalonada y arquitecturas modernas (microservicios, BFF).

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

Node.jsNext.jsGraphQLRESTAPI GatewaysSymfonyPHPGitHub CopilotClaude CodeCursor

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We are Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. With the right people and the right ideas, there’s no limit to what we can achieve Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role: Key Responsibilities • Provide architectural guidance on the transition of business-critical functionality from legacy PHP systems to a modern, scalable technology stack. • Evaluate technical trade-offs, define clear API boundaries, and establish pragmatic migration strategies that balance modernization with business continuity. • Remain deeply hands-on with code , contributing directly to development while providing Staff-level technical leadership and architectural direction. • Resolve critical bugs, improve system reliability, and safely refactor business-critical workflows within complex legacy environments. • Deep-dive into undocumented business logic, including contracts, commissions, rights, and payments, and translate it into modular, maintainable modern architecture. • Drive the incremental decoupling of legacy systems using modern backend and frontend patterns, including APIs, microservices/BFF architectures, Next.js, and Node.js . • Design and guide modern API strategies using technologies and patterns such as GraphQL, REST, and API Gateways . • Leverage AI-assisted development tools such as Claude Code, Cursor, and GitHub Copilot as an integral part of daily engineering workflows to accelerate development, debugging, refactoring, and technical analysis. • Identify opportunities to use AI to increase engineering velocity, improve developer workflows, and reduce repetitive development effort. • Partner closely with engineers, technical leaders, and senior business stakeholders to clarify requirements, challenge assumptions, and make sound architectural decisions. • Act as a trusted technical advisor, communicating migration pathways, architectural trade-offs, risks, and recommendations clearly to both technical and non-technical stakeholders. • Help establish engineering standards and modern development practices while working collaboratively and hands-on alongside the broader engineering team. • Support the onboarding and mentoring of additional engineers as the workstream and team continue to grow. Must-have Skills • Staff or Lead-level software engineering experience , with the ability to operate independently, make sound architectural decisions, and lead technical direction without constant oversight. • Strong hands-on experience working with legacy PHP , including environments such as Symfony and native PHP , with the ability to navigate, debug, stabilize, and safely refactor complex monolithic applications. • Strong full-stack engineering background with practical knowledge of modern frontend and backend development. • Functional proficiency with Next.js, Node.js, Symfony, and modern API architectures . • Experience designing, consuming, or evolving APIs using technologies and patterns such as GraphQL, REST, and API Gateways . • Demonstrated experience modernizing or migrating legacy systems while maintaining business continuity and minimizing unnecessary complexity. • Ability to understand and extract complex or undo

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