Overview In this role you will help shape the modernization of Cint's Supply domain, migrating from a GO-heavy baseline toward a unified Java/Spring stack. You'll design scalable patterns to move away from monoliths with zero downtime and collaborate with product teams to balance technical debt with new value. You will work across timezones, improve observability and reliability, and leverage AI-assisted tooling to accelerate refactoring.

This is a high-impact position in a global, remote-friendly environment with a focus on delivering robust backend systems and a strong developer culture.

Compensaciones / Ventajas Remote-First

High Autonomy

Responsabilidades Design patterns for legacy displacement and zero-downtime domain migration

Build new services and help transition others from .NET to Spring

Collaborate with product managers to shape roadmaps and align technical work with business impact

Communicate effectively across timezones with strong written documentation





Enhance observability using Grafana and modern tracing to ensure performance and reliability

Leverage Agentic programming tools (e.g., Claude Code) to accelerate refactoring and development workflows

Mentor teammates and foster knowledge sharing across the distributed team

Requisitos principales Backend systems expert with deep experience and comfort switching between languages

Willingness to work across frontend (React) and backend

Strong collaboration mindset and mentoring ability

Systems thinker with experience in event-driven architectures and migrating monoliths

Commitment to quality with robust test suites (Unit, Integration, E2E)

Product-minded with ability to understand business impact of architectural choices

Observability advocate focused on proactive performance monitoring collaboration mentoring and knowledge sharing problem-solving mindset

Java/Spring stack

.NET to Spring migration experience

React frontend familiarity

📌 Senior Software Engineer (Barcelona)
🏢 Cint
📍 Barcelona