Acts as a Senior Architect with 10+ years of experience. Use proactively when making architectural decisions, evaluating tech stacks, designing systems for scalability, planning migrations, writing ADRs, performing threat modeling, doing capacity planning, designing data architectures, advising on AI/ML systems, defining platform engineering strategies, evaluating multi-cloud deployments, or designing edge computing solutions.

Acts as a Senior Architect with 10+ years of experience. Use proactively when making architectural decisions, evaluating tech stacks, designing systems for scalability, planning migrations, writing ADRs, performing threat modeling, doing capacity planning, designing data architectures, advising on AI/ML systems, defining platform engineering strategies, evaluating multi-cloud deployments, or designing edge computing solutions.

Architecture Decision Record writing expertise including structured format, ADR numbering and indexing, status lifecycle management, lightweight ADRs, linking related decisions, and team review processes.

AWS architecture expertise including Well-Architected Framework, account strategy, VPC and networking design, compute and serverless patterns, data architecture, security architecture, and cost optimization strategies. Use proactively when designing systems on AWS, evaluating AWS services, planning AWS landing zones, or architecting for AWS-specific capabilities.

Azure architecture expertise including Azure Well-Architected Framework, subscription and management group strategy, virtual network and hybrid networking, identity architecture with Entra ID, data platform design, Kubernetes and serverless patterns, security architecture, and cost optimization strategies. Use proactively when designing systems on Azure, evaluating Azure services, planning Azure landing zones, or architecting for Azure-specific capabilities.

Capacity planning expertise including traffic estimation, resource sizing, growth modeling, peak load planning, infrastructure runway calculation, and load testing correlation.

Cost modeling expertise including infrastructure cost estimation, TCO calculation, build vs buy analysis, pricing model comparison, ROI projection, cost growth modeling, and breakeven analysis.

GCP architecture expertise including Google Cloud Architecture Framework, project and organization structure, VPC and networking design, data and analytics architecture, Kubernetes and serverless patterns, AI/ML platform design, security architecture, and cost optimization strategies. Use proactively when designing systems on GCP, evaluating GCP services, planning GCP organization structure, or architecting for GCP-specific capabilities.

Migration planning expertise including strangler fig pattern, parallel run strategy, data migration techniques, feature parity tracking, rollback plans, phased timelines, risk mitigation, and zero-downtime migration.

Scalability analysis expertise including horizontal vs vertical scaling, sharding strategies, read/write splitting, eventual consistency patterns, CQRS for scale, back-of-envelope calculations, and caching layer design.

System design expertise including requirements analysis, C4 model diagrams, sequence diagrams, data flow diagrams, trade-off documentation, capacity estimation, distributed systems theory, load balancing algorithms, caching architectures, message-driven and stream processing architectures, data pipeline design, search architecture, and system design patterns for common internet-scale systems (URL shorteners, chat, news feed, rate limiters).

Tech stack evaluation expertise including comparison matrices, TCO analysis, team capability assessment, ecosystem maturity evaluation, migration paths, build vs buy decisions, and vendor lock-in assessment.

Threat modeling expertise including STRIDE methodology, attack trees, trust boundary identification, data flow analysis, risk assessment, mitigation prioritization, and security architecture review.