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 (1032)
Secure Coding Practices — By Language and Pattern
A practical guide to secure coding practices across languages: input validation, memory safety,...
Threat Modeling — A Practical Guide for Development Teams
A step-by-step guide to threat modeling: STRIDE, attack trees, data flow diagrams, and integrating...
Zero Trust Architecture — Never Trust, Always Verify
A practical guide to implementing Zero Trust architecture: identity verification, least privilege,...
Use ORM for CRUD
How to perform CRUD operations using ORMs in Python, JavaScript, and Java.
API Monitoring & Alerting Template
A template for defining API SLA thresholds, error rate alerts, and monitoring dashboards.
API Performance Budget Template
A template for setting and tracking API latency and throughput performance budgets.
Microservice Contract Template
A template for defining service contracts and API agreements between microservices.
Service Dependency Map Template
A template for documenting and visualizing service dependencies in distributed systems.
System Diagram Template
A template for creating C4 model and architecture diagram standards.
Auto-Scaling Policy Template
A template for documenting scale-up and scale-down rules for cloud infrastructure.
Backup & Restore Verification Template
A template for documenting database and file backup verification procedures.
Bug Triage Template
A template for classifying and routing bug reports by severity and impact.
Change Management Template
A template for documenting CAB reviews and rollback criteria for production changes.
Cloud Cost Allocation Template
A template for tracking team and environment cloud cost allocation.
Cross-Region Failover Test Template
A template for documenting multi-region disaster recovery test procedures.
Dependency Upgrade Runbook
A step-by-step runbook for upgrading project dependencies safely.
Deployment Checklist Template
A pre-release verification checklist for safe production deployments.
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.
Infrastructure as Code Review Template
A template for reviewing Terraform and CloudFormation infrastructure code.
Network Security Template
A template for documenting VPC, firewall, and DNS security rules inventory.
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.