Consulting Services
I provide expert consulting on cloud infrastructure architecture and technical documentation for engineering teams and developer-facing products.
Cloud Infrastructure Consulting
Specialization: Cloud-native architecture, distributed systems design, comprehensive testing strategies for GCP and AWS environments, and architecture patterns including REST APIs, gRPC/Protocol Buffers, event-driven systems (SNS/SQS/EventBridge), pub-sub, message queues, and distributed caching.
Services Offered
Architecture & Design
- Event-driven architecture (SNS, SQS, EventBridge pipelines)
- Serverless systems (Lambda, Step Functions, DynamoDB)
- Data pipeline design (ingestion, transformation, warehousing)
- Real-time processing (Redis caching, stream filtering)
- Microservices architecture and API design
- API design (REST, GraphQL, gRPC, JSON-RPC)
- Database architecture (SQL/NoSQL selection, single-table design)
- Secret management and security boundaries
- Infrastructure-as-code (CDK, Terraform)
- ETL pipeline architecture (Glue, Redshift, Athena)
- Legacy modernization to cloud-native patterns
- Authentication/authorization design (Lambda authorizers, IAM policies)
- Cost optimization strategies (instance selection, caching patterns)
Testing & CI/CD
- Local emulation for hermetic testing
- CI/CD pipeline optimization
- Integration testing without cloud dependencies
- Cost reduction through local development strategies
- Test coverage and quality improvements
Distributed Systems Reliability
- Idempotent message handling patterns
- Observability and debugging strategies
- Error handling and retry logic design
- Production incident analysis and postmortems
- Scalability reviews and performance optimization
Experience Highlights
- Backend developer for global hospitality loyalty platform serving millions of customers
- Designed serverless event-driven promotion system (Lambda, EventBridge, DynamoDB, Redis)
- Built data pipelines processing millions of events/day (Redshift, Glue, S3)
- Migrated legacy systems to cloud-native architecture (AWS, Terraform, CDK)
- Built production-grade GCP Secret Manager emulator with enterprise adoption
- Author of “You Don’t Know JSON” (107,000 words on JSON architecture and streaming)
- Creator and maintainer of 11 open-source tools (Go, Rust, TypeScript) for cloud, security, and distributed systems.
- 5 years enterprise backend engineering, 3x AWS Certified
Ideal For
- Teams migrating to cloud-native architectures
- Engineering leaders scaling distributed systems
- Companies needing hermetic CI/CD testing strategies
- Teams struggling with cloud service costs in development
- Organizations improving system reliability and observability
Technical Writing & Documentation
Specialization: Comprehensive technical documentation, API references, and developer experience for engineering teams.
Services Offered
Documentation Creation
- API documentation (REST, GraphQL, gRPC)
- Architecture guides and system design documentation
- CLI tool documentation and usage guides
- Developer onboarding and tutorial content
- Open source project documentation
Documentation Strategy
- Information architecture and content organization
- Docs-as-code workflows and tooling setup
- Style guides and writing standards development
- Documentation quality audits and improvements
- Developer portal design and implementation
Technical Communication
- Complex systems explained clearly for technical audiences
- Architectural decision records (ADRs)
- Technical blog content and thought leadership
- Conference talk preparation and workshop materials
- Internal technical documentation for platform teams
Portfolio
- 225,000+ lines of technical documentation
- Published author: “You Don’t Know JSON” (107,000 words)
- 11 open-source projects with comprehensive documentation
- 27 published articles (5,000+ words each) on distributed systems and architecture
- 3x AWS Certified, Azure, Terraform certified
Ideal For
- Startups needing initial documentation infrastructure
- Platform teams improving internal developer experience
- Open-source projects requiring professional documentation
- Companies with significant documentation debt
- Developer tools companies needing API references
Engagement Models
Architecture Review
Duration: 1-2 weeks
Deliverable: Comprehensive architecture assessment with recommendations
Implementation Consulting
Duration: Ongoing (hourly or retainer)
Deliverable: Hands-on architecture guidance and code review
Documentation Projects
Duration: 2-8 weeks depending on scope
Deliverable: Complete documentation suite for product/platform
Team Workshops
Duration: Half-day or full-day sessions
Topics: Distributed systems patterns, testing strategies, documentation best practices
Speaking & Content
Available for:
- Conference talks on distributed systems, cloud architecture, API design
- Podcast interviews on systems design, language design trade-offs, developer productivity
- Corporate workshops on architecture patterns and testing strategies
- Book talks on “You Don’t Know JSON” and JSON ecosystem architecture
Contact
Ready to discuss your project?
- Email: dayna@blackwell-systems.com
- LinkedIn: linkedin.com/in/dayna-blackwell
- GitHub: @blackwell-systems
- Blog: blog.blackwell-systems.com
Response time: Within 24-48 hours for all inquiries.
Open Source & Projects
All consulting work is informed by real production experience. View my open source portfolio:
- goldenthread - Build-time schema compiler (Go → TypeScript Zod)
- gcp-secret-manager-emulator - Production-grade GCP Secret Manager emulator (enterprise adoption)
- vaultmux - Unified secret management across 7+ backends
- domainstack - Full-stack validation (Rust → TypeScript)
- error-envelope - Structured HTTP errors for Rust APIs