Jan 2020 – Jul 2021 · 1 yr 6 mos · Berlin Metropolitan Area

• Led two engineering teams building a mission-critical e-commerce platform using TypeScript, React, Docker, Kubernetes, and Azure.
• Initiated and implemented an engineering performance evaluation process across the tech organization, increas- ing engagement from 40% to 75%.
• Implemented coding policies and standards for web development (TDD, TypeScript, test coverage, linting), resulting in 100% test coverage and a 75% reduction in bug reports (from 3.5 per sprint to 2).
• Implemented CI/CD incorporating Kubernetes, GitHub Actions, Octopus, and Azure, enabling live feature testing in the production environment.
• Acted as interim Product Owner for 4 months, defining customer and tech requirements, authoring user stories and tech strategy

Dec 2018 – Dec 2019 · 1 yr · Berlin Metropolitan Area

• Oversaw a cross-functional team of 6 engineers , shaping the technical strategy and execution of high-impact features across React, Redux, ES6+, and Backbone. Established stronger delivery standards and prioritization practices, which elevated customer satisfaction among key enterprise clients and improved overall product sta- bility.
• Built a high-performance engineering culture through structured coaching frameworks and career progres- sion plans. Mentored three engineers to promotion and increased team throughput by 39%, raising delivery velocity from 33 to 46 story points per sprint while maintaining quality and predictability.
• Defined and drove OKRs that strengthened platform reliability, establishing quality gates and release gov- ernance that reduced Change Failure Rate by 300%, cutting bugs per release from 4 to 1 and significantly improving operational excellence.
• Led a strategic technical debt reduction program , introducing measurable engineering health metrics via SonarQube and embedding them into team rituals. This initiative increased automated test coverage from 33% to 77% and improved long-term maintainability and delivery confidence.

Sep 2017 – Dec 2018 · 1 yr 3 mos · Berlin Metropolitan Area

Jul 2017 – Jan 2019 · 1 yr 6 mos · Berlin Metropolitan Area

• During my part-time engagement Deopware startup, I played a key role in crafting and enhancing the web user interface for warehouse planning software.

May 2016 – Aug 2017 · 1 yr 3 mos · Walldorf Baden-Württemberg

• Led the end-to-end development of a dynamic application builder, delivering a WYSIWYG Windows-based tool that enabled non-technical users to create applications autonomously and significantly improved the overall customer experience.
• Designed and implemented the application’s core configuration engine , translating XML-defined schemas into a fully functional Cordova-wrapped web application, enabling rapid, scalable multi-platform deployment.
• Built a library of dynamic, configuration-driven web components, using XML to define UI and behavior. This architecture greatly increased product flexibility, reduced development effort for new apps, and improved usability for enterprise customers.

Feb 2016 – May 2016 · 3 mos

• Led a team of 5 front-end engineers in delivering real-time pricing infrastructure for a high-traffic web betting platform. The live-price updates feature significantly enhanced real-time customer experience and increased user engagement by 20%, as measured by Google Analytics.
• Owned the end-to-end design and implementation of the core “BetSlip” feature, working closely with product and trading teams to define requirements and deliver iteratively. This initiative strengthened the platform’s conversion funnel and unlocked £10M in incremental revenue.
• Drove the architecture and delivery of the SportsBook experience, implementing high-performance display, filtering, and sorting capabilities using JavaScript and React. These improvements elevated platform usability and boosted engagement by 20%, based on Google Analytics insights.

Feb 2015 – May 2016 · 1 yr 3 mos

Oct 2014 – Oct 2015 · 1 yr · Lviv

• Led cross-functional team of freelance designers and developers in crafting and executing website projects, resulting in improved client satisfaction and repeat business; utilized Agile methodologies and modern web technologies.
• Designed and developed multiple high-performance websites using JavaScript, Angular-1, PHP, MySQL.
• Developed a user-friendly CMS system using PHP, MySQL, and JavaScript, improving website management efficiency and enhancing user experience.

May 2012 – Jan 2014 · 1 yr 8 mos

• As support engineer i provided comprehensive technical customer support, spanning both first and second levels, addressing issues and inquiries related to Joomla, Wordpress, Drupal, and other CMS platforms, while also managing website migrations, domain renewals, and troubleshooting diverse web-hosting concerns, including Emailing, DNS, SSL certificates, among others. Additionally, I actively pursued potential sales leads and engaged in web-hosting marketing activities to expand clientele and ensure smooth operation of hosting services.

Mar 2011 – Apr 2012 · 1 yr 1 mo · Lviv

• As a network engineer, I undertook responsibilities that included network building and maintenance, troubleshooting hardware and software issues, managing virus protection and email applications, designing and testing networking software and hardware, strategizing sales areas and goals, analyzing sales statistics, and overseeing the recruitment, training, and leadership of network technicians.