About the role

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We are building a new Digital Office to accelerate Expereo’s transformation through the Single‑Threaded Owner (STO) model. As a Software Engineer (Front End) in either the Commercial XP, you will be part of a full‑stack, outcome‑driven squad focused on delivering intuitive, performant, scalable digital experiences.

You will design and implement modern front‑end applications, shared UI components, and frameworks that support automation, observability, and a fully programmable platform. This role is ideal for engineers who thrive in impact‑driven, cross‑functional teams and enjoy building elegant user experiences backed by solid engineering rigor.

Key Responsibilities

Front‑End Application Development
- Build and maintain dynamic, responsive web applications using modern front‑end frameworks (React).
- Develop reusable UI components, design systems, and cross‑STO shared libraries.




- Integrate front‑end applications with internal/external APIs and platform services.

Performance, Quality & Reliability
- Ensure front‑end applications meet the highest standards of performance, accessibility, and security.
- Implement automated testing across unit, integration, and end‑to‑end layers.
- Build observability into user‑facing applications, enabling proactive monitoring and rapid issue resolution.

Automation & Standardization
- Promote consistent coding patterns and architectural standards across squads.
- Contribute to CI/CD pipelines for front‑end delivery, including build optimization and automated quality gates.
- Drive improvements that reduce manual processes and accelerate release cycles.

Facilitating Innovation
- Support/Partner with designers, architects, and back‑end engineers to explore new product capabilities.
- Support initiatives like agentic AI enablement, data‑driven UX, and programmable network experiences.
- Contr

📌 Senior Frontend Software Engineer (Barcelona)
🏢 Expereo
📍 Barcelona