Experience

10+ years ensuring quality across web, mobile, voice, blockchain and AI products.

  1. N

    Nimiq · Remote · Mannheim, Germany

    Apr 2022 – Present

    Senior Quality Assurance Engineer

    Key achievement: Established a comprehensive test strategy, including an automation framework, test processes, test plans and test cases, for all of Nimiq's products, keeping them stable and aligned with the project's objectives, requirements and schedule.

    Key Responsibilities

    • Defined the approach and scope of testing by choosing the automation framework and selecting the test cases best suited to automation. Every regression test case feeds an automated TestRail updater to streamline execution.
    • Built an automated test report suite combining Slack notifications, HTML reports, CI workflows and GitHub Pages / Netlify to summarise results and defect status after every run.
    • Planned and ran daily automated tests in Docker containers and weekly full manual regressions, using the right test data for each environment.

    Technology Used

    PlaywrightNightwatch JSJavaScriptDockerGitHub ActionsTestRailBrowserStackNetlify
  2. SA

    Synthflow AI · Remote · Berlin, Germany

    Feb 2025 – Aug 2026

    Agentic Voice AI Quality Assurance Engineer

    Key achievement: Ensured the accuracy, reliability and functionality of Synthflow's Voice Agents infrastructure with testing strategies focused on edge cases, user experience and regression, while providing human intuition and oversight.

    Key Responsibilities

    • Planned, wrote and executed Voice AI test cases, including multilingual TTS/STT, finite-state-machine flows, log accuracy and telephony integration via LiveKit and FreeSWITCH for inbound and outbound calls.
    • Tested multi-turn goals requiring agent-initiated actions with external tools: CRMs, scheduling, email, call transfers and APIs (HubSpot, GoHighLevel, ElevenLabs, Cal.com, Bubble).
    • Evaluated TTS voice quality, STT transcripts, turn latency, RAG queries, interruption handling, dead-air reminders and context awareness, using Google Cloud Logs Explorer, Honeycomb, Twilio, Grafana and Homer.

    Technology Used

    Voice AILiveKitFreeSWITCHTwilioRAGGrafanaHoneycombGoogle Cloud
  3. VA

    Versa Agency · Remote · Melbourne, Australia

    Jan 2019 – Mar 2022

    Quality Assurance Engineer

    Key achievement: Raised stakeholders' understanding of testing and its value early in a project, which reduced user stories with incomplete information by 50%.

    Key Responsibilities

    • Developed test cases, scripts, plans and procedures for Alexa Skills and Google Actions, cutting the resources needed to verify requirements by 70%.
    • Identified testing challenges in emerging-technology projects so the QA team could focus effort by risk, technology limitations and test conditions.
    • Created testing guidelines and reference documentation that standardised testing procedures and UAT handover.

    Technology Used

    Alexa SkillsGoogle ActionsJiraConfluenceUATRisk-based Testing
  4. RA

    Rain Agency · Remote · Utah, USA

    Feb 2015 – Dec 2018

    Quality Assurance Department Manager

    Key achievement: Led QA for 15 months on Campbell's Soup's main marketing ecosystem: a hub website, a mobile app and an Amazon Alexa Skill.

    Key Responsibilities

    • Coordinated and reviewed QA department activities to meet industry standards and client requirements, reaching 90% customer satisfaction.
    • Established the department's formal methodology: test management plans, defect management plans, test policies and workflows, putting quality checks in 100% of projects.
    • Ran ongoing training for QA staff and built a performance evaluation tool with bi-monthly improvement suggestions.

    Technology Used

    Team LeadershipTest ManagementWebMobileAmazon Alexa