This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Engineering Manager, Dev Tools based in Portugal. Join a mission-driven organization advancing the Ethereum ecosystem through open-source developer infrastructure and innovative engineering solutions. As Senior Engineering Manager, Dev Tools, you will lead two specialized engineering teams responsible for building and maintaining essential tools used by developers to create, test, compile, and deploy smart contracts. You will combine strong technical expertise with thoughtful people leadership to shape product strategy, guide architectural decisions, and deliver reliable, high-performance developer tooling. Working closely with engineers, product stakeholders, leadership, and the open-source community, you will establish a clear technical roadmap and align priorities across teams. You will foster a collaborative, autonomous, and high-performing remote engineering culture while supporting individual growth and long-term career development. This is an opportunity to make a tangible impact on the infrastructure powering decentralized applications and the broader future of blockchain technology.