Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error...
Data & Analytics
Data processing, analysis, visualization, and ML pipelines
702 Skills
Expert patterns for Neon serverless Postgres, branching, connection pooling, and Prisma/Drizzle integration Use...
Create custom external web service APIs for Moodle LMS. Use when implementing web services for course management,...
Execute read-only SQL queries against multiple PostgreSQL databases. Use when: (1) querying PostgreSQL databases,...
Design effective KPI dashboards with metrics selection, visualization best practices, and real-time monitoring...
Configure secure, high-performance connectivity between on-premises infrastructure and cloud platforms using VPN and...
GraphQL gives clients exactly the data they need - no more, no less. One endpoint, typed schema, introspection. But...
Firebase gives you a complete backend in minutes - auth, database, storage, functions, hosting. But the ease of...
Build high-performance async APIs with FastAPI, SQLAlchemy 2.0, and
Expert database optimizer specializing in modern performance
SQL database migrations with zero-downtime strategies for
Migration monitoring, CDC, and observability infrastructure
Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and...
Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.
Expert database architect specializing in data layer design from
Expert database administrator specializing in modern cloud
Transform data into compelling narratives using visualization, context, and persuasive structure. Use when...
Expert data scientist for advanced analytics, machine learning, and
You are a data pipeline architecture expert specializing in scalable, reliable, and cost-effective data pipelines...
Build scalable data pipelines, modern data warehouses, and
Creating interactive data visualisations using d3.js. This skill should be used when creating custom charts, graphs,...
ClickHouse database patterns, query optimization, analytics, and data engineering best practices for...
Master Node.js streams for memory-efficient processing of large datasets, real-time data handling, and building data...
Implement secure JWT (JSON Web Token) authentication in Node.js applications with access/refresh tokens and...