Mathias Paulenko
Software Engineer & Founder of StackPractices
Mathias Paulenko
Software Engineer
Software engineer with 12+ years of experience building production systems across Python, JavaScript, React, and DevOps. I have contributed to enterprise projects spanning CI/CD pipelines, API design, cloud infrastructure, and full-stack development.
StackPractices is my personal project, born from a simple belief: great documentation should be copy-paste ready. Every recipe, pattern, and guide on this site is designed to save you time and help you ship faster.
Published Works (1008)
Backup & Restore Verification Template
A template for documenting database and file backup verification procedures.
Dependency Upgrade Runbook
A step-by-step runbook for upgrading project dependencies safely.
Downtime Communication Template
A template for internal and external outage messaging during service downtime.
Escalation Policy Template
A template for defining incident severity levels and on-call escalation paths.
Patch Management Template
A template for scheduling, testing, and deploying security patches across environments.
Performance Regression Template
A template for comparing benchmarks and creating action plans when performance degrades.
Rollout Communication Template
A template for release notes and stakeholder updates during capability rollouts.
Service Level Objective Template
A template for defining SLOs, SLIs, and error budgets for reliable service management.
SSL Certificate Renewal Template
A template for tracking SSL certificate expiration and renewal workflows.
Incident Response Playbook Template
A step-by-step playbook template for handling security incidents.
Penetration Test Remediation Template
A template for tracking security findings, assigning remediation owners, and validating fixes after...
Security Audit Checklist Template
A thorough checklist for conducting security audits of applications and infrastructure.
GraphQL vs REST — When to Choose and How to Migrate
A decision guide comparing GraphQL and REST APIs: use cases, performance, caching, tooling, and...
Message Queues — RabbitMQ, Kafka, and SQS detailed analysis
A thorough guide to message queues: when to use RabbitMQ, Kafka, or SQS. Covers patterns,...
Diff JSON Objects
How to compare two JSON objects and find differences in Python, Java, and JavaScript.
Format Phone Numbers
How to format and validate phone numbers in Python, Java, and JavaScript.
Merge JSON Files
How to merge multiple JSON files into a single object or array in Python, Java, and JavaScript.
Parse CSV Files
How to parse CSV files in Python, Java, and JavaScript with practical code examples.
Parse Markdown Files
How to parse Markdown to HTML and extract structured data in Python, Java, and JavaScript.
Parse XML Files
How to parse XML documents in Python, Java, and JavaScript with practical code examples.
Truncate Text
How to truncate text with ellipsis and word boundaries in Python, Java, and JavaScript.
Validate JSON Schema
How to validate JSON data against schemas in Python, Java, and JavaScript.
Connect to Redis
How to connect to Redis and perform basic operations in Python, JavaScript, and Java.