anton-abyzov

Comprehensive expertise in **Capacitor 6+** and **Ionic Framework** for building cross-platform mobile applications from web technologies. Covers architecture, native API access, custom plugin development, deployment, and when to choose Cap

Database optimizer for PostgreSQL, MySQL, MongoDB. Use for slow queries, N+1 problems, EXPLAIN plans, indexing, connection pooling, caching, partitioning, scaling.

Expert knowledge of cloud provider pricing models for AWS, Azure, GCP covering compute, storage, database, networking, and serverless services. Includes 2025 pricing data, regional differences, free tiers, pricing calculators, and cost comparison across providers. Activates for cloud pricing, how much does it cost, price comparison, AWS vs Azure vs GCP pricing, pricing calculator, estimate costs, regional pricing, free tier, what's cheaper.

Statistical modeling and data analysis expert. A/B testing, causal inference, customer analytics (CLV, churn), anomaly detection, experiment tracking (MLflow/W&B), and data visualization. Use for business analytics, experiment design, or exploratory data analysis.

AWS cost optimization - EC2 Reserved Instances, Savings Plans, Spot, Lambda optimization, Cost Explorer, Trusted Advisor.

Performance testing expert for load testing (k6, Artillery), web performance (Lighthouse CI, Core Web Vitals), database performance, and memory/resource profiling. Use for performance tests, load tests, stress tests, lighthouse audits, k6 scripts, web vitals monitoring, or performance budgets.

Kafka Streams topology design expert. Covers KStream vs KTable vs GlobalKTable, topology patterns, stream operations (filter, map, flatMap, branch), joins, windowing strategies, and exactly-once semantics. Activates for kafka streams topology, kstream, ktable, globalkTable, stream operations, stream joins, windowing, exactly-once, topology design.

FinOps expert for AWS/Azure/GCP cost optimization - right-sizing, reserved instances, savings plans, spot instances. Use for reducing cloud costs.

ksqlDB stream processing expert. Covers SQL-like queries on Kafka topics, stream and table concepts, joins, aggregations, windowing, materialized views, and real-time data transformations. Activates for ksqldb, ksql, stream processing, kafka sql, real-time analytics, windowing, stream joins, table joins, materialized views.

GitHub Actions advanced expert for CI/CD workflows, reusable workflows, composite actions, OIDC authentication, security hardening, monorepo patterns, self-hosted runners, and deployment automation. Covers performance optimization, cost management, and production-grade pipeline design.

Multi-repo version alignment - lockstep/independent/umbrella strategies, semver constraints, version conflict detection.

Design, organize, and manage Helm charts for templating and packaging Kubernetes applications with reusable configurations. Use when creating Helm charts, packaging Kubernetes applications, or implementing templated deployments.