---
title: All skills
lang: en
---

- [System Design (10/10)](/skill/system-design/)
- Data Modeling & Schema Design (10/10)
- Microservices & EDA (10/10)
- [Linux (10/10)](/skill/linux/)
- [PgSQL, MariaDB, SQLite (6/10)](/skill/sql-databases/)
- [Containers & Docker (10/10)](/skill/containerization/)
- [Debugging (7/10)](/skill/debugging/)
- Code Review (10/10)
- Documentation (9/10)
- [Static Analysis & Linting (10/10)](/skill/static-analysis/)
- Profiling & Load Testing (10/10)
- High Load (5/10)
- Cryptography (7/10)
- Quality Assurance (7/10)
- Go (5/10)
- Python (6/10)
- TypeScript & JavaScript (6/10)
- Bash & Shell Scripting (9/10)
- Rust (4/10)
- [PHP (10/10)](/skill/php/)
- Ruby (4/10)
- [Crystal (5/10)](/skill/crystal/)
- Kubernetes (5/10)
- IaC, GitOps, Ansible, Terraform (6/10)
- Self-Hosting & Bare-Metal (10/10)
- Authentication (7/10)
- DNS (5/10)
- [HTTP: Nginx, Traefik (10/10)](/skill/web-servers/)
- MongoDB (6/10)
- Redis, Valkey, Memcached (7/10)
- Kafka, RabbitMQ, NATS, MQTT (6/10)
- Observability (9/10)
- Grafana Stack (9/10)
- Release Engineering (9/10)
- Incident Response & Command (6/10)
- Artifact & Container Registries (10/10)
- CI/CD: Jenkins, GitHub, Tekton (10/10)
- Make & Makefiles (9/10)
- Accessibility Audit (6/10)
- SEO, GEO, Web Analytics (9/10)
- Platform Engineering & DevEx (10/10)
- Engineering Management (10/10)
- Stakeholder Management (10/10)
- [Standards Authorship (10/10)](/skill/standards-authorship/)
- [Application Security (7/10)](/skill/application-security/)
- Hardening & Zero Trust (7/10)
- VPN, Tunnels, Darknets (6/10)
- Schematics, PCB & Soldering (7/10)
- Embedded Systems & Robotics (4/10)