Domain Expertise
Overview
Mapping of team members to their domain expertise areas. This matrix enables efficient allocation of architects to projects based on specialized knowledge, mentoring capabilities, and capacity.
Domain Areas & Specializations
E-Commerce & Digital Domain
Focus Areas:
- Customer experience platforms (CXP)
- Order management systems (OMS)
- Product catalogs and merchandising
- Shopping carts and checkout experience
- Personalization and recommendation engines
- Mobile commerce platforms
- Omnichannel integration
Key Technologies:
- Java/Spring microservices
- MongoDB for product catalogs
- Elasticsearch for search
- Redis for caching
- Event-driven order processing
- Kubernetes orchestration
Key Skills:
- High-traffic system design
- Payment gateway integration
- Inventory management
- Customer data platforms
- Personalization algorithms
- PCI-DSS compliance
Data & Analytics Domain
Focus Areas:
- Data warehouse design (Snowflake, Redshift, BigQuery)
- Data lake architecture (Delta Lake, Apache Spark)
- ETL/ELT pipeline design
- Business intelligence and reporting
- Real-time analytics
- Machine learning platforms
- Data governance and quality
Key Technologies:
- Snowflake, Google BigQuery, Amazon Redshift
- Apache Spark, PySpark
- dbt (data build tool)
- Tableau, Looker, Power BI
- Kafka for streaming
- Python, SQL
Key Skills:
- Data modeling (dimensional, fact tables)
- Query optimization
- Cost optimization for cloud data platforms
- Data pipeline orchestration
- Statistical analysis
- GDPR/CCPA data governance
Cloud Platforms Domain
Focus Areas:
- AWS architecture (EC2, RDS, S3, Lambda, ECS/EKS)
- Azure architecture (VMs, App Service, SQL Database, Functions)
- Google Cloud Platform (Compute Engine, Cloud SQL, BigQuery)
- Multi-cloud strategies
- Cloud migration (6 R’s approach)
- Cloud cost optimization
- Cloud security and compliance
Key Technologies:
- AWS: EC2, RDS, Lambda, ECS/EKS, S3, CloudFront, VPC
- Azure: VMs, App Service, SQL Database, Functions, Storage, AppGateway
- GCP: Compute Engine, Cloud Run, Cloud SQL, GKE, BigQuery
- Infrastructure as Code (Terraform, CloudFormation, Bicep)
- Containerization (Docker, Kubernetes)
Key Skills:
- Architecture design for cloud platforms
- Cost analysis and optimization
- Security group and IAM configuration
- High availability and disaster recovery
- Cloud-native application design
- Reserved instance planning
Integration & APIs Domain
Focus Areas:
- API design and governance
- API management platforms
- Microservices architecture
- Service decomposition strategies
- Message-based integration
- Event-driven architecture
- B2B integration and APIs
- Webhook design and management
Key Technologies:
- REST API design
- OpenAPI/Swagger specifications
- API gateways (Kong, AWS API Gateway, Azure API Management)
- Message queues (RabbitMQ, Apache Kafka, AWS SQS)
- Service mesh (Istio, Linkerd)
- Event streaming (Kafka, AWS Kinesis)
- Enterprise Service Bus (ESB) legacy systems
Key Skills:
- API contract definition
- Rate limiting and throttling
- Request/response transformation
- Idempotency design
- Data consistency in distributed systems
- Saga pattern for distributed transactions
Security & Compliance Domain
Focus Areas:
- Application security (OWASP Top 10)
- Infrastructure security
- Identity and access management (IAM)
- Authentication/authorization (OAuth, OIDC, SAML)
- Data encryption (at rest, in transit)
- Secrets management
- Compliance frameworks:
- PCI-DSS (payment card data)
- GDPR/CCPA (data privacy)
- SOC 2 Type II (auditing)
- HIPAA (healthcare)
- FedRAMP (government)
- Security incident response
Key Technologies:
- Identity providers (Okta, Azure AD, Auth0)
- Secrets management (HashiCorp Vault, AWS Secrets Manager)
- WAF (Web Application Firewall)
- DDoS protection
- Container security (Falco, Trivy)
- Network security (TLS, mTLS, VPNs)
- SIEM (Security Information Event Management)
Key Skills:
- Threat modeling
- Secure code review
- Penetration testing methodology
- Compliance audit preparation
- Zero-trust architecture design
- Incident response planning
Infrastructure & Reliability Domain
Focus Areas:
- Container orchestration (Kubernetes, Docker Swarm)
- Serverless architectures
- Networking and CDN
- Disaster recovery and high availability
- Database clustering and replication
- Backup and recovery strategies
- Infrastructure monitoring and observability
- Performance optimization
Key Technologies:
- Kubernetes (EKS, AKS, GKE)
- Terraform, CloudFormation, Helm
- Load balancers (ALB, NLB, HAProxy)
- CDNs (CloudFront, Akamai, Fastly)
- Database replication (PostgreSQL, MySQL, MongoDB)
- Monitoring (Prometheus, Grafana, DataDog)
- Distributed tracing (Jaeger, Zipkin)
Key Skills:
- Kubernetes YAML and Helm templating
- Infrastructure automation
- Database replication setup
- Capacity planning
- Cost optimization
- SLA design and monitoring
Expertise Matrix
Template: Team Member → Domain Expertise
Team Member: John Smith
Title: Principal Architect (Cloud)
Years Experience: 18
Domain Expertise Mapping:
├─ Cloud Platforms
│ ├─ AWS: [Primary - 10 years]
│ ├─ Azure: [Secondary - 3 years]
│ └─ GCP: [Emerging - 1 year]
│
├─ Infrastructure & Reliability
│ ├─ Kubernetes: [Primary - 7 years]
│ └─ Serverless: [Secondary - 2 years]
│
└─ Integration & APIs
└─ API Design: [Secondary - 4 years]
Speaking/Publishing:
├─ "Kubernetes at Scale" conference talk (2024)
├─ AWS re:Invent panelist (2023)
└─ 5 technical blog posts on cloud optimization
Mentoring:
├─ Mentoring 3 Senior Architects
├─ Led 2 "Cloud Bootcamps" for associates
└─ Monthly architecture office hours
Availability: 70% project work, 30% mentoring/thought leadership
Example: Cross-Domain Expertise
Team Member: Sarah Chen
Title: Senior Architect (E-Commerce)
Years Experience: 12
Domain Expertise:
├─ E-Commerce & Digital [Primary - 8 years]
│ └─ OMS, Product Catalogs, Checkout, Personalization
├─ Cloud Platforms [Secondary - 5 years]
│ └─ AWS (focus: EC2, RDS, Lambda)
├─ Data & Analytics [Emerging - 1.5 years]
│ └─ Real-time analytics for personalization
└─ Security & Compliance [Secondary - 3 years]
└─ PCI-DSS for payment processing
Available for projects:
- E-Commerce system design (primary projects)
- Cloud migration of e-commerce apps (secondary)
- Real-time personalization consulting (emerging)
Domain Champions
Principal & Senior Architect Domain Leadership
Cloud Platforms Champion:
- Name: John Smith (Principal Architect - Cloud)
- Responsibilities:
- Maintain cloud architecture playbooks
- Lead cloud platform selection decisions
- Review all cloud architecture proposals (via ARB)
- Lead Cloud Working Group (monthly)
- Mentor cloud-focused architects
- Represent company at cloud conferences
- Stay current with platform updates
- Span of influence: 8-10 cloud architects
- Budget responsibility: ~$5M cloud infrastructure annually
Data & Analytics Champion:
- Name: Priya Patel (Principal Architect - Data)
- Responsibilities:
- Data architecture standards and patterns
- Lead data platform selection (warehouse, lake, streaming)
- Review complex data architecture proposals
- Lead Data & Analytics Working Group
- Mentor data architects
- Oversee data governance standards
- Span of influence: 6-8 data architects
- Budget responsibility: ~$2M data platform annually
E-Commerce & Digital Champion:
- Name: Michael Rodriguez (Lead Architect - E-Commerce)
- Responsibilities:
- E-commerce architecture playbooks
- Review all e-commerce system designs
- Lead E-Commerce Architecture Working Group
- Mentor 2-3 e-commerce architects
- Define OMS/CXP standards
- Liaison with Product and Marketing teams
- Span of influence: 4-5 e-commerce architects
Security & Compliance Champion:
- Name: Dr. Emma Watson (Principal Architect - Security)
- Responsibilities:
- Security architecture standards
- Compliance framework implementation
- Lead security architecture reviews
- Threat modeling for high-risk systems
- Represent company in compliance audits
- Lead Security Working Group
- Vendor security assessment
- Span of influence: 6-8 security architects
- Compliance scope: PCI-DSS, GDPR, HIPAA, SOC 2, FedRAMP
Integration & APIs Champion:
- Name: David Lee (Principal Architect - Integration)
- Responsibilities:
- API design standards and governance
- Microservices strategy and patterns
- Lead integration architecture reviews
- API ecosystem management
- Lead Integration Working Group
- Mentor integration architects
- Define service decomposition standards
- Span of influence: 7-9 integration architects
Expertise Levels Defined
Level 1: Familiar (< 1 year)
- Learning the domain
- Can describe key concepts
- Shadowing on small projects
- Questions and knowledge gaps
- Example: Architect new to company learning Azure
Level 2: Competent (1-3 years)
- Independent work on projects
- Understands key patterns and anti-patterns
- Can mentor on specific topics
- Some gaps in advanced scenarios
- Example: Senior Architect comfortable with microservices but new to service mesh
Level 3: Expert (3-8 years)
- Primary authority in domain
- Leads major design decisions
- Mentors multiple people
- Identifies and solves novel problems
- Publishes thought leadership
- Example: 5-year architect specializing in Kubernetes
Level 4: Master (8+ years)
- Industry-recognized expert
- Sets standards and practices
- Keynote speaker capability
- Solves previously unsolved problems
- Long-term strategic vision
- Example: Principal Architect with 15 years AWS experience
Capability Building
Domain Capability Roadmap
Example: E-Commerce Capability Build
Year 1 (Establish Foundation)
├─ Month 1-3: OMS architecture deep dive
├─ Month 4-6: Product catalog design patterns
├─ Month 7-9: Checkout and payments
└─ Month 10-12: Personalization engines
Year 2 (Deepen Expertise)
├─ Quarter 1: Real-time inventory management
├─ Quarter 2: Mobile commerce optimization
├─ Quarter 3: Omnichannel integration patterns
└─ Quarter 4: Advanced personalization (ML)
Year 3 (Thought Leadership)
├─ Speak at conference (AWS re:Invent, O'Reilly)
├─ Publish technical blog series (4+ posts)
├─ Lead domain working group
└─ Mentor 2-3 architects in domain
Learning Resources by Domain
Cloud Platforms (AWS Focus):
- AWS certification path: Solutions Architect → Professional → Specialty
- AWS Well-Architected Framework (whitepaper)
- “Designing AWS Environments” course
- AWS re:Invent conferences
Data & Analytics:
- “Fundamentals of Data Warehousing” course
- “Advanced SQL Performance Tuning” workshop
- “dbt Best Practices” training
- “Real-time Data Architecture” course
Microservices & APIs:
- “Building Microservices” book (Sam Newman)
- “Microservices Architecture” course
- “API Design Best Practices” training
- Enterprise Integration Patterns (EIP) study group
Security & Compliance:
- “Application Security” certification (CISSP track)
- OWASP Top 10 and Beyond workshop
- Compliance-specific training (PCI, GDPR, HIPAA)
- Security architecture design patterns course
Cross-Domain Collaboration Matrix
Which domains frequently collaborate:
Data Cloud Integ Sec Infra Ecom
Data ─── ●●● ●●● ●● ●●● ●●
Cloud ●●● ─── ●●● ●●● ●●● ●●
Integration ●●● ●●● ─── ●●● ●● ●●●
Security ●● ●●● ●●● ─── ●●● ●●●
Infrastructure ●●● ●●● ●● ●●● ─── ●
E-Commerce ●● ●● ●●● ●●● ● ───
Legend:
●●● = Very frequent collaboration
●● = Frequent collaboration
● = Occasional collaboration
Example Collaboration Scenarios:
- Data + Cloud + Security (Data Lake Project)
- Data architect designs warehouse
- Cloud architect handles AWS infrastructure
- Security architect ensures encryption, IAM, governance
- Integration + Cloud + E-Commerce (API Project)
- Integration architect designs API contracts
- Cloud architect provisions API gateway
- E-commerce architect validates business requirements
- Infrastructure + Cloud + Security (Kubernetes Migration)
- Infrastructure architect designs K8s topology
- Cloud architect selects managed K8s service
- Security architect defines network policies, RBAC