We are looking for an engaged and passionate Staff Engineer to join our growing engineering department and serve as a technical leader across teams and domains. Responsibilities Lead transversal, complex projects autonomously from ideation to completion. Proactively communicate the technical vision across multiple teams, ensuring alignment and sharing knowledge. Act as a go‑to expert, providing mentorship and guidance across teams. Deeply understand multiple product domains and proactively identify improvements and advocate for customer needs. 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 Dev Ops. Write production‑ready code, find appropriate solutions for medium complexity challenges, participate in software design discussions and contribute to performance and quality within scope, applying a security‑first mindset. Qualifications 10+ years of back‑end development experience using Type Script and Node.Js, or Python, Ruby on Rails, or other languages with focus on security, scalability, availability and performance across multiple domains.



Strong understanding of system design and ability to solve complex, impactful problems. Comfortable leading the development of complex projects affecting multiple teams and domains, driving initiatives from ideation to completion. Expert at identifying opportunities for new impactful initiatives. Deep understanding of multiple product domains and ability to anticipate long‑term needs. Effective and proactive communication skills, collaborating with different roles to ensure cross‑domain alignment. Willingness to learn and adapt quickly to new technologies and areas. Technical stack familiarity: Type Script / Node.Js, Python, REST API / Graph QL APIs, Ruby / Rails, React, AWS/Serverless or EKS, Postgre SQL, Dynamo DB, Open Search, Redis. Benefits Competitive salary package and benefits. Equity, Diversity & Inclusion At Aircall, we believe diversity, equity and inclusion – irrespective of origins, identity, background and orientations – are core to our journey. We pride ourselves on promoting active inclusion within our business to foster a strong sense of belonging for all. #J-18808-Ljbffr

📌 Senior Staff Software Engineer (Madrid)
🏢 Aircall
📍 Madrid