Dominic Wehrmann

Php — Expert (11+ Years)

Magento 2.x — Expert: Di, Plugins, Observers, Preferences, Cli, Cron, Ui Components, Js Overrides, Mixins

Magento 1.9 — Expert

Symfony (V3–v7) — Advanced: Large Migrations (3→4, 3→7), Web Apps, Apis, Console Commands, Eventsubscribers, Di, Compiler Passes

Laravel — Intermediate

Phalcon 3 — Intermediate: Volt Templating

Php Versions 5.6 Through Current Lts — Expert

Javascript / Typescript — Advanced

Node.js — Advanced: Scripts, Tooling, Backend

Nestjs — Advanced: Websocket Projects

Vue.js — Intermediate: Component Development

React — Intermediate: Hooks, Functional Components

Alpine.js — Intermediate: Lightweight Interactivity

Knockout.js — Intermediate: Magento 2 Mvvm

Webpack / Vite — Intermediate: Build Tooling

Python — Intermediate: Scripting, Ml, Home Assistant, Automation

Bash — Medium++: Vi, Pipes, Grep, Sed, Find

C# — Intermediate: Hardware-near Measurement Tool

Go — Basic

Rust — Basic

Swift / Kotlin — Basic: Ar App Project

Flutter — Basic: Complex Ar Project

Powershell — Basic: Scripting

Relational Databases — Expert

Mysql — Expert: Optimization, Query Tuning, Indexing, N+1 Fixes

Mariadb — Expert: Primary Production Db

Postgresql — Intermediate: Incl. Pgbouncer

Sqlite — Intermediate: Embedded Use

Redis — Advanced: Caching, Sessions, Queues, Pub/sub, Replication

Elasticsearch — Advanced: Search And Analytics

Mongodb — Intermediate: Document Storage

Memcached — Basic: Caching

Cassandra — Basic: Brief Exposure

Vector Databases: Qdrant (Basic), Chroma (Basic), Exploring Weaviate / Milvus

Query Optimization — Expert: N+1 Detection/fixes, Index Strategy, Slow Query Analysis

Doctrine Orm — Advanced (Symfony)

Database Migrations — Advanced: Version-controlled, Rollback Strategies

Docker — Expert: Daily Use, Multi-stage Builds, Networking, Volumes

Docker Compose — Expert: Primary Local Dev Tool, Environment-specific Overrides, Hot-reload Configs

Kubernetes — Basic

Podman — Basic

Gitlab Ci/cd — Advanced: Multi-stage Pipelines, Docker-in-docker, Artifacts, Caching, Secret Management, Vault Integration

Github Actions — Intermediate: Workflows, Matrix Builds

Jenkins — Basic

Bitbucket Pipelines — Basic

Deployer (Php) — Advanced: Custom Recipes, Zero-downtime Atomic Deployments, Rollbacks, Hooks

Ansible — Advanced: Playbooks, Server Provisioning, Multi-server Management, Idempotent Scripts, Blue-green Deployment

Git — Expert: Branching Strategies, Rebasing, Conflict Resolution

Nginx — Expert: Virtual Hosts, Reverse Proxy, Load Balancing, Fastcgi/php-fpm, Rate Limiting, Compression

Traefik — Intermediate: Blue-green Deployments, Auto Service Discovery, Certificate Management

Apache — Basic

Let's Encrypt / Certbot — Advanced: Automated Ssl

Cloudflare — Intermediate: Cdn, Ddos Protection, Waf

Proxmox — Advanced: Home Lab, Lxc Containers, Vm Management

Linux (Debian/alpine) — Advanced: Primary Server Os

New Relic — Advanced: Apm, Performance Profiling

Logstash / Elk — Intermediate: Log Aggregation And Analysis

Kibana — Intermediate: Visualization

Grafana — Intermediate: Dashboards And Metrics

Xdebug — Advanced: Php Debugging

Htop / Btop / Glances — Advanced: System Monitoring

Strace — Intermediate: Process-level Debugging

Http Clients: Guzzle (Php), Axios / Fetch (Js / Node.js), Curl / Wget (Cli)

Rest Apis — Expert: Design, Consumption, Documentation

Soap — Intermediate

Graphql — Intermediate

Websocket — Advanced: Real-time Price Feeds, Nestjs

Webhooks — Advanced

Xml / Xpath Parsing — Intermediate

Json Processing — Advanced

Sap Business One — Advanced: Live Pricing Via Websocket, Inventory Sync, Order Processing

Afterbuy — Intermediate: Legacy Erp Integration

Akeneo Pim — Intermediate: Product Information Management

Ebay Api — Intermediate: Product Listings, Sync

Amazon Api — Intermediate: Mws, Sp-api

Payment And E-commerce Integrations: Wallee, Stripe, Paypal

Multi-store / B2b, Custom E-commerce — Expert Level Magento Implementations

Event-driven Architecture — Practical Experience With Rabbitmq Workers In Magento 2

Microservices — Intermediate

Dependency Injection — Expert (Symfony, Magento 2)

Mvc / Mvvm — Expert

Design Patterns — Observer, Factory, Strategy, Repository, Plugin / Interceptor

Legacy Migration — Expert: Magento 1→2, Symfony 3→4→5, Symfony 3→7, Dos→c#

Static Analysis: Phpstan

Linting: Eslint, Php Cs Fixer

Testing: Phpunit

Code Review: Manual + Ai-assisted

Documentation Tools: Obsidian, Notion

Llm Integration — Advanced: Multiple Llm Models For Code Optimization, Generation, Review, Time Management

Ai Code Assistants — Advanced: Cline, Claude Desktop, Kiloco

Flux.1 Lora — Intermediate: Fine-tuning For Personalized Image Generation

Email Classification (Ml) — Intermediate

Vector Databases (Ai/ml) — Basic: Qdrant, Chroma, Exploring Weaviate / Milvus

Llm Fine-tuning — Basic: Distillation, Lora, Model Merging

Shelly — Advanced: Smart Relays, Switches

Philips Hue — Advanced: Smart Lighting

Raspberry Pi — Advanced: Home Servers And Projects

Esp32 / Esp8266 — Intermediate: Wifi Iot, Diy Projects

Arduino — Intermediate: Microcontroller Projects

Mqtt — Intermediate

Z-wave — Intermediate

Zigbee — Intermediate

Ble — Basic

Thread — Basic

Matter — Exploring

Ebus — Intermediate: Reverse-engineered For Heating Integration

Home Assistant — Advanced: Primary Smart Home Platform, Custom Integrations

Node-red — Intermediate: Flow-based Automation

Esphome — Intermediate: Esp Device Firmware

Slack — Advanced

Discord — Advanced

Mattermost — Intermediate

Microsoft Teams — Intermediate

Jira — Intermediate

Activecollab — Intermediate

Figma — Basic

Obsidian — Intermediate

Notion — Intermediate

Shell: Vi, Console, Grep, Sed, Find, Ls; Prefers Htop/btop Over Top

Process Debugging: Strace For Php Process Issues

Server Management: Proxmox, Debian/alpine Linux, Ssh, Networking

Scripting: Bash (Medium++), Python For Automation

Ssl/tls Configuration: Cipher Suites, Hsts

Cloudflare Waf And Ddos Protection

Secret Management: Gitlab Ci Variables, Vault

Magento 2 Security Patching And Best Practices