# Dimitrios Apostolakis

> Test Automation & Performance Engineer specializing in distributed load testing systems (k6, Locust) and autonomous AI-assisted verification pipelines (Playwright).

## Canonical Identity & Eligibility
- Full Name: Dimitrios Apostolakis
- Title: Test Automation & Performance Engineer
- Canonical Domain: https://diap.dev
- Location: Athens, Greece (UTC+2 / UTC+3)
- Legal Working Status: Greek Citizen (EU Open Mobility)
- Engagement Model: B2B Contractor / Direct Contract
- Remote Eligibility: Open to EU Remote, Global Remote, and Relocation
- Professional Inquiries: dsapostolakis@gmail.com
- GitHub: https://github.com/dimitrios-apostolakis
- LinkedIn: https://linkedin.com/in/dimitrios-apostolakis

## Core Engineering Domains & Tooling
- Performance & Reliability: k6 (Enterprise), Locust (12-node distributed cluster), Grafana, Prometheus, InfluxDB, Chaos Engineering
- Test Automation & SDET: Playwright, Multimodal LLM Vision Triage, WireMock, Selenium WebDriver, Cucumber/BDD, JUnit, Pytest, axe-core (WCAG AA)
- Cloud & Infrastructure: Jenkins (Active Choices Self-Service), Docker, Kubernetes, ArgoCD, GitLab CI/CD, HashiCorp Vault, Linux System Internals
- Cloud Certifications: Microsoft Certified Azure Solutions Architect Expert, AWS Certified Solutions Architect - Associate

## Verified Production Impact (HF Markets, 2026–Present)
- Enterprise k6 Framework: Built distributed load testing framework from scratch covering 8+ critical financial microservices.
- High-Throughput Campaigns: Delivered 20+ load testing campaigns validating AWS cloud migration, Redis cluster refactoring, and wallet API rewrites.
- Autonomous AI Regression Harness: Integrated Playwright with multimodal vision models for automated visual defect triage, slashing QA turnaround by 85%.
- Cloudflare WAF Automation: Comprehensive validation of rate-limiting, custom firewall rulesets, and bot mitigation before production rollout.
- Self-Service CI/CD Infrastructure: Designed Jenkins Active Choices pipelines eliminating 6+ hours/week of manual test execution.

## Machine-Readable Resources & Resumes
- [Comprehensive Ground Truth Dossier](https://diap.dev/llms-full.txt): Complete career history, technical stack, verified metrics, education, and credentials
- [Curriculum Vitae (PDF)](https://diap.dev/resume.pdf): Master technical CV
- [Technical Blog](https://diap.dev/blog): Deep dives on test automation and systems reliability