• Design robust and scalable architectures for all sorts of systems (apps, SDKs, SaaS platforms, etc.) that are tailor-made for our specific tech stack. • Use systems-level thinking to structure components for reliability, scalability, and maintainability. • Work closely with developers, product managers, designers, and other stakeholders to translate requirements into clear, practical, and forward-looking architectures. • Write and review technical proposals to ensure they align with the agreed architecture, principles, and long-term technical direction. • Contribute to guiding development through code reviews, building PoCs, defining skeleton structures, and ensuring technical consistency across teams. • Promote architectural standards and best practices across the organization to foster consistency, interoperability, and sustainable development. • Analyze and document existing architectures by deeply understanding the current implementation of products and systems. • Use open standards such as the C4 model to visualize and communicate system design. • Detect and explain core algorithms and design patterns that form the backbone of key systems. • Summarize their intent and implementation in simple, clear terms that can be easily understood by diverse audiences. • Identify and record Important Technical Decisions (ITDs), ensuring they are properly captured, reviewed, and traceable to their rationale and impact. • Evaluate and evolve existing architectures to improve scalability, maintainability, and performance. • Propose pragmatic refactorings and modernization initiatives when needed. • Mentor and enable engineering teams in system design, architectural principles, and documentation best practices, building a shared culture of technical excellence. • Keep up to date with new tools, frameworks, and ideas, and proactively identify opportunities to improve our systems, processes, and developer experience.