Your Tasks

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We're looking for a Senior Developer to design, build, and operate scalable internal business applications and intelligent automation solutions serving 55,000 employees. You will drive architecture decisions, mentor teams, and partner with business stakeholders to deliver measurable productivity gains across the enterprise.

Your Responsibilities

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- Design and build modern full-stack business applications using Node.js, TypeScript, and React (or equivalent modern frameworks)
- Architect and implement end-to-end process automation pipelines using tools such as n8n, Make (Integromat), Azure Logic Apps, or equivalent orchestration platforms
- Design and develop robust REST/GraphQL APIs and microservices to integrate business systems (ERP, CRM, HR platforms, third‑party services)
- Define reference architectures, integration patterns, and reusable component libraries; champion security, performance, and maintainability by design




- Lead evaluation and adoption of automation tooling and workflow platforms across the team
- Partner in the evolution of our internal AI platform: integrate LLMs, build reusable AI services, and deliver employee‑facing AI tools
- Own CI/CD and DevOps workflows (GitHub Actions / Azure DevOps, Docker); automate testing and deployments
- Coordinate and quality‑assure external vendors and nearshore development partners; plan sprints, review deliverables, and ensure on‑time, on‑budget delivery
- Collaborate with product owners and business stakeholders to translate operational needs into clear technical roadmaps and measurable outcomes
- Enforce engineering excellence through code reviews, automated tests (unit/integration/e2e), and monitoring/alerting

Your Profile

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- 6+ years of software engineering with a strong focus on full‑stack development and business application delivery
- Advanced profic

📌 Business Applications (Barcelona)
🏢 MediaMarkt España
📍 Barcelona