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Helps explore datasets, clean missing or inconsistent values, and explain patterns through statistics and charts. Uses Python and SQL to compare groups, examine relationships, and present findings in plain language with documented analysis steps.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Checking missing values, duplicates, and inconsistent formats
• Exploring trends and distributions with charts
• Comparing groups with statistical tests

Helps deploy, manage, and troubleshoot applications on Kubernetes using kubectl and Helm. Covers container logs, resource settings, network access, and deployment strategies to investigate failures and review how applications run.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Investigating repeatedly crashing containers
• Reviewing deployment and resource settings
• Troubleshooting service connectivity and DNS

Design automated build, test, and deployment workflows for GitHub Actions, GitLab CI/CD, and Jenkins. Covers job ordering, dependency caching, secret handling, and gradual releases that use health checks before expanding deployment.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Automating builds, tests, and deployments
• Reducing pipeline time with caching and parallel jobs
• Planning gradual releases and rollbacks

Test and debug REST and GraphQL APIs using curl, httpie, Postman collections, or scripted tests. Check authentication, invalid inputs, pagination, and response details to identify failures that a successful status code alone may miss.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Checking authentication and access permissions
• Testing invalid inputs and boundary conditions
• Debugging failed HTTP requests

Plan compliance work for SOC 2, GDPR, HIPAA, and PCI-DSS by connecting requirements to technical safeguards, responsible teams, policies, and audit evidence. Get practical guidance for ongoing operations and audit preparation.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Planning a SOC 2 compliance program
• Designing personal data retention and deletion rules
• Organizing audit evidence and access reviews

Design GraphQL APIs with clear data types, data-fetching functions called resolvers, and real-time updates. Address repeated database calls, pagination, structured errors, and expensive queries while planning schema changes that preserve compatibility.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Designing schemas around business concepts
• Reducing repeated database calls with DataLoader
• Planning real-time subscriptions over WebSocket

Prepare for engineering interviews with structured practice in algorithms, system design, and questions about past experience. Develop explanations of your reasoning, analyze solution efficiency, discuss design tradeoffs, and organize concrete stories about your work.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Practicing algorithm problems and explaining solutions
• Rehearsing system design interviews
• Structuring stories about past work experience

Helps configure and troubleshoot Linux networks, including firewalls, routing, and DNS, which translates domain names into addresses. Covers traffic capture, isolated test networks, WireGuard VPN setup, and TCP tuning across physical servers, virtual machines, and containers.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Investigating connectivity and DNS failures
• Reviewing firewall rules and port forwarding
• Configuring routes based on traffic source

Helps design and evaluate prompts for more reliable AI responses. Covers clear instructions, input-output examples, task breakdown, and structured formats such as JSON, with guidance on comparing quality, cost, and response time across models.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Clarify ambiguous instructions for an AI task
• Specify JSON output using schemas and examples
• Break complex tasks into connected prompts

Extract and analyze PDF text, tables, form values, and document properties while preserving their structure. Produce summaries, compare documents, or organize selected data as CSV or JSON, with uncertain extraction results clearly identified.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Summarize long PDFs by section
• Extract invoice details into CSV or JSON
• Compare multiple PDFs by topic

Plan encryption, TLS connections, digital signatures, and key management using established cryptographic libraries. Get guidance on choosing algorithms, storing passwords, rotating keys, and avoiding implementation mistakes such as reused nonces or comparisons that reveal information through timing.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Choosing encryption methods for stored data
• Reviewing TLS settings for encrypted connections
• Designing password storage and token signatures

Plan and operate Google Cloud Platform infrastructure using services such as Cloud Run and GKE, Google's managed Kubernetes service. Get guidance on deployment, access permissions, networking, monitoring, and cost controls for the system's requirements.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Planning an API with Cloud Run and Cloud SQL
• Reviewing GKE access permissions
• Designing event processing with Pub/Sub

Write and improve Go code with clear error handling, interface design, and tests. Build concurrent workflows, where tasks run independently, with controlled worker counts, cancellation, and explicit shutdown paths for background work.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Building worker pools with concurrency limits
• Adding cancellation and deadlines to long-running work
• Reviewing interfaces and package design

Build Next.js applications with App Router, the app directory routing system. Get guidance on server rendering, data fetching, caching, API endpoints, and deployment settings, including loading states and image optimization for responsive page experiences.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Designing pages and shared layouts with App Router
• Configuring data caching and revalidation
• Implementing forms and API endpoints

Plan data ingestion and transformation workflows with Apache Airflow, Spark, and dbt. Get guidance on processing changed records, validating data quality, and rerunning failed or historical jobs without creating duplicate results.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Designing data ingestion and transformation workflows
• Processing only new or changed records
• Adding data quality checks between processing stages

Manage Git branches, resolve conflicting changes, organize commit history, and recover earlier work after mistakes. Also helps teams choose a branching workflow that fits how they review changes, integrate work, and release software.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Resolving conflicts during a merge or rebase
• Organizing commits before merging a branch
• Recovering deleted branches or older file versions

Adapt large language models to specific tasks using LoRA and QLoRA, methods that train a small set of added parameters. Get guidance on preparing examples, choosing training settings, evaluating outputs, and saving or merging trained adapters.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Adapting models to specialized terminology and output formats
• Planning training with limited GPU memory
• Preparing instruction-response datasets

Improve PostgreSQL queries and database design by examining execution plans and choosing indexes for actual access patterns. Get guidance on large tables, JSONB data, connection pooling, and maintenance while accounting for write overhead and memory use.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Investigating slow queries with execution plans
• Choosing indexes for search patterns
• Designing partitions for time-series data

Plan, deploy, and manage AWS infrastructure across computing, storage, networking, and serverless services. Get guidance on access permissions, backups, auditing, and cost management using AWS CLI and tools that define infrastructure in code.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Plan configurations for EC2, S3, and Lambda
• Review IAM permissions and network access
• Identify unused resources and review costs

Design consistent API specifications with OpenAPI 3.0 and 3.1. Define requests, responses, authentication, and reusable data structures, then guide specification checks, documentation, and generation of client libraries or starter server code.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Define an API contract before implementation
• Standardize authentication and error responses
• Check API specifications in CI

Manage GitHub collaboration through the gh command-line tool and GitHub APIs. Create and review pull requests, organize issues, investigate failed Actions workflows, check automated tests before merging, and prepare releases with generated notes.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Creating a pull request with a clear description
• Organizing issues with labels and milestones
• Investigating failed Actions workflows

Organize Notion workspaces with clear page structures, connected databases, and reusable templates. Build team wikis and task views, reduce duplicated content, and use the Notion API to automate page creation, database queries, and content updates.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Organizing a team wiki so information is easier to find
• Creating templates for meeting notes and project briefs
• Connecting project databases with filtered views