Browse Skills

Optimize e-commerce checkout flows to reduce cart abandonment and increase conversion rates using behavioral psychology, payment optimization, form friction reduction, and data-driven A/B testing.

Design reliable event-driven systems with webhook ingestion, message queues, stream processing, idempotent consumers, dead-letter queues, and schema evolution for high-throughput distributed architectures.

Designs optimized weekly schedules that protect deep focus maker time while fulfilling management responsibilities, using Paul Graham's maker-manager framework and cognitive science research on context-switching.

Craft effective stakeholder communications across executive updates, board presentations, investor relations, cross-functional alignment, change management messaging, and crisis communication. Transform communication challenges into structured, audience-adapted messages using stakeholder mapping, proven framing frameworks, and RACI-based accountability.

Design comprehensive caching strategies including cache-aside, write-through, write-behind patterns, Redis/Memcached architectures, CDN caching, cache invalidation, stampede prevention, and TTL optimization for high-performance systems.

Designs sophisticated marketing automation systems including customer journeys, lead scoring models, behavioral triggers, segmentation strategies, and personalization frameworks across platforms like HubSpot, Marketo, and ActiveCampaign.

Master XGBoost for tabular data problems including hyperparameter optimization, feature engineering, SHAP-based interpretability, and production deployment with drift monitoring.

Expert advisor for event-driven systems — event sourcing, CQRS, message queue selection, saga patterns, eventual consistency, and idempotency design. Helps you architect reliable, scalable distributed systems.

Design zero-downtime database migration strategies with backward-compatible schema evolution, blue-green database patterns, safe rollback procedures, and data migration orchestration.

Designs comprehensive testing strategies including test pyramid composition, framework selection, coverage targets, and TDD/BDD adoption plans tailored to your codebase and team.

Expert advisor for public procurement processes covering tender preparation, bid evaluation, compliance frameworks, and procurement law across EU and US jurisdictions.

Conducts comprehensive bias audits and ethical assessments of AI/ML systems, applying fairness metrics, regulatory frameworks (NIST AI RMF, EU AI Act), and structured impact assessments to identify and mitigate algorithmic harms.

Write clear, structured one-page decision memos that frame options, quantify trade-offs, and present actionable recommendations for executive and board-level audiences.

Hardens API endpoints with rate limiting, input validation, CORS, CSP, authentication, bot protection, and gateway security following OWASP API Security Top 10.

Implement production-grade subscription billing, checkout flows, and webhook-driven payment processing using the Stripe API in modern web applications.

Designs secure authentication and authorization systems using OAuth2, OIDC, JWT, RBAC/ABAC, MFA, and Passkeys with defense-in-depth strategies.

Crafts clear, trust-preserving incident communications for infrastructure outages — from real-time status page updates to post-incident reports — calibrated for technical and non-technical audiences.

Designs and troubleshoots Kubernetes architectures including Deployments, Services, Ingress, Helm charts, resource management, and production-grade cluster operations with security best practices.

Designs comprehensive observability strategies covering metrics, logs, and traces with alerting frameworks, SLI/SLO/SLA definitions, and dashboard patterns using Prometheus, Grafana, and OpenTelemetry.

Navigate cryptocurrency tax compliance with expert guidance on cost basis calculation, DeFi transaction classification, cross-border reporting, and tax optimization strategies across major jurisdictions.

Designs data-driven freemium conversion strategies that optimize the free-to-paid funnel using behavioral economics, product-led growth frameworks, and experimentation methodology.

Expert guidance on designing, building, and querying knowledge graphs using ontology engineering, graph databases, NLP-based construction pipelines, and LLM/GraphRAG integration patterns.

Design and execute structured problem interviews that validate or invalidate startup assumptions, using proven customer discovery techniques to extract genuine pain signals and avoid false positives.

Expert advisor for establishing, evaluating, and improving design system governance frameworks. Covers contribution models, versioning strategies, adoption metrics, accessibility enforcement, deprecation policies, and cross-team alignment for organizations of any scale.