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Achievement: YOLOAchievement: Pull Shark

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rybalkin-an/README.md

Hey there! I'm Aleksei.

👨🏻‍💻 About Me

  • 🧪 I'm a QA Engineer with 8+ years of experience across Fintech, Logistics, and Industrial IoT 4.0
  • 🎯 I'm ISTQB® Certified Tester
  • 🌍 Based in Düsseldorf, Germany
  • 💼 Most recently worked as a QA Engineer at Cybus, testing an industrial IoT and data-integration platform
  • ⚙️ Experienced in test automation, API & UI testing, distributed systems, messaging infrastructure, Kubernetes, and CI/CD
  • 🚀 Passionate about improving software quality through automation, quality gates, resilience testing, performance testing, and reliable CI/CD pipelines

🛠 Tech Stack

  • 💻 Programming & Scripting: Java | TypeScript | Python | Bash | SQL | YAML | JSONata | Maven | Gradle
  • 🧪 Test Automation: Playwright | Selenium | Selenide | REST-assured | TestNG | JUnit | Cucumber | Testcontainers
  • 🔌 APIs & Messaging: REST | HTTP | MQTT | Apache Kafka | NATS JetStream | VerneMQ | OAuth 2.0 | JWT
  • ☸️ Infrastructure: Docker | Docker Compose | Kubernetes | OpenShift | Helm | Ansible | AWS | EC2 | EKS | S3 | Google Cloud | Azure
  • 🔄 CI/CD & Tools: GitHub Actions | Git | GitLab CI/CD | Jenkins | GitOps | Jira | Confluence | Postman | Swagger | DBeaver | Camunda
  • 📊 Databases: PostgreSQL | MariaDB | MSSQL | MySQL | Oracle DB | InfluxDB
  • 📈 Observability & Resilience: Grafana | Prometheus | Loki | Toxiproxy | Chaos Mesh
  • 🔐 Security & Identity: OAuth 2.0 | JWT | MFA | SSO | RBAC | LDAP | Active Directory | OpenLDAP | mTLS | TLS | Microsoft Entra ID
  • 🏭 Industrial Protocols: ADS | BACnet | Ethernet/IP | FANUC FOCAS | Heidenhain DNC | Modbus/TCP | MTConnect SHDR | OPC DA | OPC UA | Siemens SIMATIC S7 | Siemens SIMATIC S7+ | SINUMERIK | SOPAS | WERMA-WIN Ethernet

🔬 QA & Testing

  • API Testing | UI E2E Testing | Integration Testing | System Testing
  • Test Automation | Regression Testing | Exploratory Testing | Test Suite Management
  • Load & Performance Testing | Benchmark Testing | Endurance Testing
  • Resilience Testing | Chaos Testing | Failure & Recovery Testing
  • Distributed Systems | Microservices | Message Brokers | API Integrations
  • Protocol & Device Simulators | Connectivity Testing | Database Testing
  • CI/CD Quality Gates | Shift-left Testing | Test Strategy | Quality Management
  • 🤖 AI-assisted & agentic testing | Test Generation | Test Analysis | Test Debugging

📚 Practices

  • Agile | Scrum | TDD | BDD | Gherkin
  • Quality Gates | Shift-left Testing | CI/CD
  • Automation-first testing | Risk-based testing | Continuous Quality Improvement

Pinned Loading

  1. user-app user-app Public

    Testing REST API Spring Boot App with Keycloak, Java 17, Gradle, Junit5, Testcontainer, RestAssured, MockMvc, Wiremock, Integration Testing

    Java

  2. gatling-java gatling-java Public

    Gatling load testing tool with Java + Maven

    Java

  3. gitlab-ci-gradle-allure gitlab-ci-gradle-allure Public

    Allure reporting for GitLab CI

    Java

  4. get-with-body get-with-body Public

    Example of endpoint that use GET Request with body

    Java

  5. robotframework-browser.org robotframework-browser.org Public

    E2E registration form test. Robot framework, Playwright, RESTinstance, 1secmail

    RobotFramework

  6. spring-mqtt spring-mqtt Public

    A simple implementation of MQTT sensor streaming using Spring Boot. It allows you to start and stop the streaming of sensor data, publish messages and subscribe to an MQTT broker.

    Java 2