Consulting Services
I build production systems — AI agents, cloud infrastructure, backend services, and developer tooling. Not prototypes. Systems that run in production and handle real traffic.
Claude Code & Anthropic Platform
Specialization: Deep expertise in Claude Code extensibility, Anthropic API integration, and Claude-based agent orchestration. I build the infrastructure that makes Claude useful in production, not just in demos.
Services Offered
Claude Code Extensibility
- Custom subagent types with domain-specific tooling, permission sets, and behavioral constraints
- Skills development for workflow automation (release engineering, audits, code generation)
- PostToolUse / SessionStart hook systems for real-time monitoring and behavioral enforcement
- CLAUDE.md behavioral contracts for persistent project-level guidance
- Claude Code profile management and multi-backend routing
Claude API & Bedrock Integration
- Anthropic API integration into existing backends (direct API and AWS Bedrock)
- Structured JSON output schemas with multi-rule validation pipelines
- AI output validation: fuzzy matching, deduplication, schema enforcement, hallucination prevention
- Context-augmented generation with parallel web search and faceted content extraction
- Token optimization and cost management strategies
Claude Agent Orchestration
- Multi-agent coordination protocol design (parallel execution, conflict prevention)
- MCP (Model Context Protocol) server development
- Agent observability, analytics, and performance monitoring
- Multi-backend model routing (Anthropic, OpenAI, Ollama/local models)
Team Adoption & Training
- Claude Code rollout strategy for engineering organizations
- Workshop facilitation on AI-assisted development workflows
- Best practices documentation and internal knowledge sharing
- Agentic development methodology training
What I’ve Built
- scout-and-wave : Formally specified multi-agent coordination protocol for Claude Code (6 invariants, 37+ execution rules) validated across 16+ production repositories with 4-5x measured speedup. Published specification with state machine, message formats, and conformance criteria
- scout-and-wave-web : Full-stack orchestration platform for parallel Claude agents — Go backend (40+ REST endpoints, real-time SSE streaming), React frontend (live wave dashboard, interactive dependency graphs, streaming agent output), single binary deployment
- claudewatch : Self-improving observability platform for Claude Code — 22-tool MCP server for live session metrics, PostToolUse hooks alerting on error loops and cost spikes, CLAUDE.md effectiveness scoring with before/after comparison, multi-agent workflow analytics
- ai-cold-start-audit : UX audit methodology using Claude agents as surrogate new users in containerized sandboxes, producing severity-tiered findings reports
- commitmux : Cross-repository semantic search engine with MCP server — in-process vector search (sqlite-vec), FTS5 full-text indexing, 6 read-only MCP tools over stdio JSON-RPC
- Led Claude Code adoption at Best Western as founding member of the Agentic Development Group, driving enterprise-wide rollout of AI-enhanced engineering workflows
Ideal For
- Teams adopting Claude Code for engineering workflows
- Companies integrating Claude API into existing products
- Organizations building MCP servers or Claude-based tooling
- Engineering leaders evaluating agentic development practices
AI & Agent Systems
Specialization: Production LLM systems, multi-agent architectures, and AI-assisted development infrastructure beyond Claude-specific work.
Services Offered
- Multi-agent workflow design with deterministic handoffs and data contracts
- RAG pipelines with source verification and grounding
- Prompt engineering with structured output parsing and validation
- AI-driven automation (release engineering, UX audits, code review)
- LLM output validation: Jaccard similarity, fuzzy matching, schema enforcement
- Agentic workflow composition (audit-fix-verify, release-publish patterns)
What I’ve Built
- FDA Compliance Guard : Production Shopify app with Rust semantic engine (9,967 disease-claim patterns, 8 NLP subsystems), validated against 17 FDA warning letters with 0.5% false positive rate. React/TypeScript frontend, PostgreSQL, subscription billing
- agentic-workflows : Composable multi-agent workflow system with data contract-based integration enabling deterministic handoffs between AI agents despite natural language interfaces
- rezmakr : AI-powered resume tailoring tool with weighted bullet validation, deterministic quality gates, and hash-based deduplication
Ideal For
- Startups building AI-powered products
- Teams needing reliable, validated AI output in production
- Companies automating workflows with agent-based systems
Cloud Infrastructure
Specialization: Cloud-native architecture across AWS, GCP, and Azure. Event-driven systems, serverless, data pipelines, and infrastructure-as-code.
Services Offered
- Event-driven architecture (SNS, SQS, EventBridge pipelines)
- Serverless systems (Lambda, Step Functions, DynamoDB)
- Data pipeline design (CDC, ETL, real-time streaming)
- Infrastructure-as-code (Terraform, CDK)
- Database architecture (DynamoDB single-table design, Redshift, PostgreSQL, Oracle)
- GCP service emulation and local development environments
- Legacy modernization to cloud-native patterns
- Cost optimization strategies
- Multi-cloud architecture (AWS, GCP, Azure)
Experience Highlights
- 5 years operating revenue-critical backend systems serving millions of members across 100+ countries
- Built real-time CDC pipeline replacing full-table-scan approach, processing in ~1.3 minutes regardless of dataset size
- GCP emulator ecosystem (Secret Manager, IAM, KMS) with 13,000+ downloads and confirmed enterprise adoption
- Designed serverless event-driven promotion system (Lambda, EventBridge, DynamoDB, Redis)
- 3x AWS Certified, Azure, Terraform, Oracle certified
Ideal For
- Teams migrating to cloud-native architectures
- Engineering leaders scaling distributed systems
- Companies needing hermetic CI/CD testing strategies
- Organizations improving system reliability and observability
Backend Engineering
Specialization: Production backend systems in Go, Python, and Java. REST APIs, event-driven architectures, and data pipelines at enterprise scale.
Services Offered
- REST API design and implementation (Go, Python, Java)
- Event-driven pipeline architecture
- Database design and optimization (SQL, NoSQL, data warehousing)
- Real-time data processing (CDC, streaming, caching)
- Production reliability (idempotency, circuit breakers, graceful degradation)
- Performance optimization and incident response
- Ecommerce backends (Shopify apps, payment integrations, subscription billing)
Experience Highlights
- Backend developer for global loyalty platform — core infrastructure consumed by nearly every engineering team in the company
- Architected Digital Wallet backend (5 currencies, payment gateway integration, distributed caching)
- Built serverless promotion rules engine with plugin-style extensibility
- Diagnosed and eliminated database connection exhaustion causing production outages (60% connection reduction with HikariCP)
- Published researcher: 2 peer-reviewed papers with DOIs on memory management and distributed systems convergence
CLI Tools & Developer Experience
Specialization: Production-quality CLI tools in Go and Rust. Interactive TUIs, Homebrew distribution, cross-platform deployment.
Services Offered
- CLI tool design and implementation (Go, Rust)
- Interactive TUI development (Bubble Tea)
- Homebrew tap creation and distribution
- MCP server development for AI tool integration
- Developer workflow automation
- Cross-platform deployment (single binary, go:embed, Wails)
What I’ve Built
- shelfctl : Feature-complete Go TUI with Bubble Tea, Homebrew distribution, shipped in 4 days
- brewprune : Homebrew package cleanup with FSEvents monitoring and confidence scoring
- goldenthread : Schema compiler generating TypeScript/Zod from Go struct tags
- vaultmux : Vendor-agnostic secret management across AWS, GCP, Azure, 1Password, Bitwarden
- domainstack : Full-stack validation ecosystem in Rust (9 crates on crates.io)
- pipeboard : Secure clipboard sharing over SSH tunnels
- 5 reusable Bubble Tea components : carousel, command palette, Miller columns, multiselect, picker
Engagement Models
Claude / AI Integration Sprint
Duration: 1-4 weeks Deliverable: MCP server, Claude Code skills/hooks, or LLM integration — scoped, built, and deployed
Architecture Review
Duration: 1-2 weeks Deliverable: Comprehensive architecture assessment with recommendations
Implementation Consulting
Duration: Ongoing (hourly or retainer) Deliverable: Hands-on architecture guidance, code review, and implementation
Team Workshops
Duration: Half-day or full-day sessions Topics: Claude Code adoption, AI-assisted development, distributed systems patterns
Speaking & Content
Available for:
- Conference talks on AI agent orchestration, Claude Code, distributed systems, cloud architecture
- Podcast interviews on agentic development, multi-agent systems, developer productivity
- Corporate workshops on Claude Code adoption and AI-assisted development workflows
- Book talks on You Don’t Know JSON (107,000 words)
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 Portfolio
20+ production projects. All consulting work is informed by real production experience.
- scout-and-wave-web - Full-stack AI agent orchestration platform (Go/React)
- scout-and-wave - Multi-agent coordination protocol (formal specification)
- claudewatch - Claude Code observability platform (22-tool MCP server)
- commitmux - Cross-repository semantic search (Rust, MCP server)
- gcp-secret-manager-emulator - GCP emulator (13,000+ downloads)
- goldenthread - Schema compiler (Go → TypeScript Zod)
- vaultmux - Unified secret management (7+ backends)
- domainstack - Full-stack validation (Rust, 9 crates)
- shelfctl - Document storage CLI (Go, Bubble Tea TUI)
- brewprune - Homebrew package cleanup (Go, FSEvents)