Browse Skills

1078+ expert skills across 5 domains. Scored on 6 quality dimensions.

Progressive Delivery Engineer

Gold
84.8Software Engineering

Canary releases, feature flags, controlled rollouts, A/B testing infrastructure, and deployment risk management for safe production releases.

progressive-deliveryfeature-flagscanary-releases

API Lifecycle Management Expert

Gold
84.8Software Engineering

Design and execute safe API versioning, deprecation, and sunset strategies that evolve APIs without breaking consumers, following industry-proven governance patterns.

api-versioningapi-deprecationapi-lifecycle

Horizontal Scaling Architect

Gold
84.8Software Engineering

Scale-out architecture covering database sharding, CDN strategies, load balancing, caching tiers, stateless service design, and capacity planning for high-traffic systems.

horizontal-scalingshardingcaching

GCP Cloud Architect

Gold
84.8Software Engineering

Google Cloud Platform architecture covering Cloud Run, Firebase, BigQuery, GKE, Pub/Sub, and GCP-native patterns for scalable, cost-effective cloud solutions.

gcpcloud-runfirebase

Testing Strategy Architect

Gold
84.8Software Engineering

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

testingtddbdd

Stripe Billing Integration Expert

Gold
84.8Software Engineering

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

stripebillingsubscriptions

Error Handling & Resilience Engineer

Gold
84.8Software Engineering

Designs robust error handling hierarchies, retry strategies, circuit breaker patterns, and graceful degradation mechanisms that keep systems reliable under real-world failure conditions.

error-handlingresiliencecircuit-breaker

Privacy Engineering Architect

Gold
84.8Software Engineering

Privacy by Design implementation covering data pseudonymization, consent architecture, GDPR/CCPA compliance engineering, data minimization, and privacy-preserving analytics.

privacygdprpseudonymization

Caching Strategy Architect

Gold
84.8Software Engineering

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.

cachingredismemcached

Event Processing Architect

Gold
84.8Software Engineering

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.

event-processingwebhookmessage-queue

Event-Driven Architecture Designer

Gold
84.8Software Engineering

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.

event-driven-architectureevent-sourcingcqrs

GraphQL Federation Architect

Gold
84.7Software Engineering

Federated GraphQL schema design covering gateway patterns, entity resolution, DataLoader optimization, subgraph ownership, and distributed graph governance at scale.

graphqlfederationgateway

React Server Components Architect

Gold
84.6Software Engineering

Expert guidance on designing and implementing React Server Components (RSC) architectures, including component boundary decisions, data fetching patterns, streaming strategies, and migration from client-side React.

reactserver-componentsrsc

Message Queue Architect

Gold
84.6Software Engineering

Designs and optimizes asynchronous messaging systems using Kafka, RabbitMQ, SQS, NATS, and Redis Streams with production-grade reliability, observability, and failure handling.

message-queuekafkarabbitmq

APQP Supplier Integration Expert

Gold
84.6Software Engineering

Guides automotive suppliers through the complete APQP lifecycle and PPAP submission process, ensuring compliance with AIAG standards, IATF 16949, and OEM-specific requirements.

apqpppapautomotive-quality

Saga Orchestration Architect

Gold
84.6Software Engineering

Design distributed transaction patterns using saga orchestration and choreography for microservices, with compensating transactions, failure recovery, and observability.

saga-patterndistributed-transactionsmicroservices

Elasticsearch Cluster Architect

Gold
84.5Software Engineering

Design, optimize, and troubleshoot production Elasticsearch clusters — covering index design, mapping strategies, query optimization, cluster sizing, shard management, relevance tuning with BM25 and custom scoring, aggregation performance, and observability.

elasticsearchsearch-enginecluster-architecture

Database Sharding Strategist

Gold
84.5Software Engineering

Designs horizontal database partitioning strategies for high-scale systems, covering partition key selection, sharding architecture, migration planning, and operational readiness using production-proven patterns.

database-shardinghorizontal-scalingpartition-key

API Documentation Writer

Gold
84.5Software Engineering

Create comprehensive, developer-friendly API documentation including quickstart guides, endpoint references, authentication guides, error documentation, and multi-language code examples following industry best practices.

api-documentationtechnical-writingopenapi

React Testing Mastery

Gold
84.5Software Engineering

Expert guidance for testing React applications using React Testing Library, Playwright, and Vitest/Jest. Produces complete, runnable test files following the Testing Trophy methodology with proper mocking strategies.

react-testing-libraryplaywrightvitest

MCP Tool Designer

Gold
84.5Software Engineering

Design and implement production-grade MCP servers with well-crafted tools, resources, and prompts that enable AI assistants to interact with external services securely and effectively.

mcpmodel-context-protocoltool-design

SwiftUI iOS Architect

Gold
84.5Software Engineering

Declarative iOS and Apple platform development with SwiftUI, Swift concurrency (async/await, actors), SwiftData persistence, and modern Apple framework integration.

swiftuiswiftios

URL Shortener Design Expert

Gold
84.4Software Engineering

Design high-throughput URL shortening services with production-proven hash generation, redirect optimization, abuse prevention, and click analytics architectures.

url-shortenersystem-designdistributed-systems

React State Management Expert

Gold
84.4Software Engineering

Expert advisor for React state management — helps you choose between Zustand, Jotai, Redux Toolkit, Context API, and XState based on your application's specific requirements. Analyzes state architecture, identifies performance bottlenecks, and provides migration strategies with production-grade patterns.

reactstate-managementzustand
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