Resume

• Built and scaled high-performing engineering teams of 5–10 developers, mentoring senior engineers and fostering a culture of innovation, psychological safety, and continuous improvement. • Defined and executed technical strategy for large-scale developer platforms, including architecting solutions for 500+ websites, resulting in a 10% increase in user engagement and a 5% reduction in infrastructure costs. • Led cross-functional initiatives, collaborating with Product, Design, and Business stakeholders to align technical vision with business objectives and deliver impactful solutions. • Implemented candidate assessment and onboarding processes, achieving a 90% quality rating and accelerating the pipeline for high-potential talent in critical roles • Championed diversity and inclusion by cultivating an environment where all voices are valued, resulting in improved team collaboration and retention.

• Led a team of five external frontend engineers, providing technical direction and ensuring consistent adherence to established best practices and coding standards. • Directed product design and architecture, prioritizing scalable solutions leveraging React.js, Node.js, and Azure to ensure long-term application stability and performance. • Redesigned and deployed a toolkit and process framework for modern web technologies, improved a development cycle time by 35% and a 15% improvement in website performance metrics, directly contributing to increased productivity and a better user experience.

• Reduced website development time by 45% and improved developer efficiency and code quality by developing a reusable front-end platform and associated tooling (including a component library, automated build pipelines, and a Jest-based testing framework) for Procter & Gamble.

• Took ownership of the frontend development for an internal ERP web application, identifying and implementing optimizations that resulted in a 30% reduction in project delivery time and enhanced overall system performance. • Served as a technical mentor for a junior frontend developer, providing guidance on best practices and quality to accelerate their professional growth and contribute to team expertise.

• Spearheaded the development of an internal Enterprise Resource Planning (ERP) web application, resulting in a 20% reduction in manual data entry time and streamlined operational workflows. • Designed user-centered interfaces and created interactive experience mockups using Balsamiq, informing application development and resulting in a 15% increase in positive user feedback during usability testing. • Built modern, maintainable user interfaces using React.js and SCSS, improving front-end performance and ensuring code reusability.

• Developed and maintained front-end features for internal web applications leveraging AngularJS and Ruby on Rails, improving user experience and system efficiency.

• Supported the marketing team by automating marketing processes, increasing efficiency and reducing manual effort. • Developed and managed marketing campaigns within Google AdWords, contributing to increased websites traffic by 15%.

• Resolved software defects and implemented fixes within an Oracle Database environment and Java modules, ensuring system stability and functionality. • Created and executed new Java modules, contributing to the overall performance and reliability of the system. • Rapidly acquired proficiency in Hibernate and Spring frameworks, applying these technologies to development tasks. • Engineered an internal web application using Python and Django, demonstrating proficiency in full-stack development principles.

• Delivered exceptional customer service and drove sales of Apple products at MediaMarkt, utilizing strong communication and sales skills.

Master’s Thesis titled: "A comparative study of selected JavaScript tools", focused on Angular and React.

Engineer’s Thesis titled: "Development of 3D models for 3D animation", made using Blender.

• Created one of the firsts podcasts for frontend engineers in Poland. Every episode of "JS News" series was listened by over 500 people.

• Led workshops for aspiring frontend developers, sharing expertise in React, Redux, and CSS to foster skill development and promote best practices.

• Co-hosted the Gierkowcy podcast, a collaborative team project. • Managed podcast administration, website design, and development. • Covered topics primarily focused on the video games industry, with additional discussions on TV series and comic books.

• Tested Proud app in alpha and beta version on macOS.

• Beta tested the Blogo app, providing feedback to improve its functionality and user experience.

• Translated the Enpass app into Polish.