すべてのSkill (11,660)

Create responsive layouts using CSS Grid, Flexbox, media queries, and mobile-first design.

Systematically collect, document, and validate requirements from stakeholders.

Plan, coordinate, and execute software releases across environments.

Build predictive models using linear regression, polynomial regression, and regularized regression for continuous prediction, trend forecast…

Modernize and improve legacy codebases while maintaining functionality.

Build collaborative and content-based recommendation engines for product recommendations, personalization, and improving user engagement

Build recommendation systems using collaborative filtering, content-based filtering, matrix factorization, and neural network approaches

Implement real-time functionality using WebSockets, Server-Sent Events (SSE), or long polling.

Implement reactive programming patterns using RxJS, streams, observables, and backpressure handling.

Build cross-platform mobile apps with React Native.

Design scalable React components using functional components, hooks, composition patterns, and TypeScript.

Implement rate limiting, throttling, API quotas, and backpressure mechanisms to protect services from abuse and ensure fair resource usage.

Implement query caching strategies to improve performance.

Implement push notifications for iOS and Android.

Automate pull request workflows with templates, checklists, auto-merge rules, and review assignments.

Design property-based tests that verify code properties hold for all inputs using automatic test case generation.

Set up Prometheus monitoring for applications with custom metrics, scraping configurations, and service discovery.

Estimate project scope, timeline, and resource requirements using multiple estimation techniques including bottom-up, top-down, and analogou…

Profile application performance, identify bottlenecks, and optimize hot paths using CPU profiling, flame graphs, and benchmarking.

Visualize and document current and future business processes.

Integrate multiple programming languages using FFI, native bindings, gRPC, or language bridges.

Identify and debug performance regressions from code changes.

Integrate payment gateways like Stripe, PayPal, and Square with backends for payment processing, subscription management, and webhook handli…

Implement secure OAuth 2.0, OpenID Connect (OIDC), JWT authentication, and SSO integration.