Milosz Mazurkiewicz

• Led on-prem to AWS migration, delivering scalability and cost savings • Certified AWS Solutions Architect – Associate • Guided team in cloud-first engineering practices, initiating migration to AWS-based systems • Provided 2nd-level on-call for Billing & Payments systems, 30+ projects • Cut incident volume by 50% and eliminated all critical incidents • Facilitated retrospectives and process improvements as Agile Champion • Pioneered AI adoption to modernize development practices as AI Champion

• Led distributed team of 5-7 engineers, fostering collaboration and innovation • Delivered high-quality software solutions emphasizing simplicity and standardization • Drove alignment across teams on security, observability, documentation, and code reuse • Communicated effectively with technical and non-technical stakeholders

• Designed and maintained big data reporting systems, improving reliability and performance • Enhanced batch jobs performance and fault tolerance using Spring Batch • Standardized monitoring, alerting, and patching, freeing time for new feature development • Mentored junior engineers, recruited and onboarded new talent

• Designed and maintained big data reporting systems, improving reliability and performance • Enhanced batch jobs performance and fault tolerance using Spring Batch • Standardized monitoring, alerting, and patching, freeing time for new feature development • Mentored junior engineers, recruited and onboarded new talent

• Built and maintained testing framework with Java and Selenium, boosting coverage by 30% • Trained manual testers on in-house JavaScript E2E framework with Protractor • Coached teams on testing best practices and automation, improving product quality • Implemented Splunk and Kibana monitoring for real-time performance insights

• Test Manager & Software Tester across multiple German insurance projects

• Built AHTIPP scripting language and IDE (Java, Eclipse RCP) to automate telecom testing

• Led test automation for the Pegasus test framework using Java, JUnit, and SWTBot • Conducted system, functional, integration, performance, load, stress, usability, and security testing

Software and Telecommunications

Computer Networks and Database Systems