Your mission @ Aircall * Lead transversal, complex projects, fully autonomously from ideation to completion, starting from a high-level problem statement. * Proactively communicate the technical vision across multiple teams, ensuring alignment and sharing knowledge across domains. * Act as a go‑to expert, providing mentorship and guidance across teams. * Deeply understand multiple product domains; proactively identify improvements and advocate for customer needs across the company. * Lead and define technical strategies for complex, impactful problems. * Set and uphold higher quality standards and drive adoption of best practices in architecture, security, and DevOps. * Writes production‑ready code, finding appropriate solutions for medium complexity challenges; participates in software design discussions; demonstrates a good understanding of system infrastructure and DevOps principles; contributes to performance and quality within their scope; applies a security‑first mindset. A little about you * You have extensive experience (e.g., 10+ years) in back‑end development,



using TypeScript & NodeJS/Python/Ruby/Rails or other languages, with a focus on delivering for security, scalability, availability, and performance across multiple domains. * You lead and define technical strategies, demonstrating a strong understanding of system design to solve complex, impactful problems. * You are comfortable leading the development of complex projects affecting multiple teams and domains, driving initiatives from ideation to completion. * You are an expert at identifying opportunities for new impactful initiatives. * You have a deep understanding of multiple product domains and can anticipate long‑term needs. * You possess effective and proactive communication skills, and can collaborate with different profiles and roles to ensure cross‑domain alignment. Our Tech Stack * You do not need to be familiar with all of our technical stack or any specific functional area, but you have a

📌 Staff Software Engineer (Comunidad de Madrid)
🏢 Hard Yaka
📍 Comunidad de Madrid