Hanna Stepchenko Email & Phone Number

Warsaw, Pl

Tech stack: Typescript, React.js, React Query, styled-components, React Hook Form, Jest• Led the migration of legacy front-end microservices to a modern React-based architecture, collaborating with other vendors and teams to ensure a seamless transition.• Established and implemented processes for improving code quality in collaboration with project managers, setting up efficient workflows for code adjustments and optimizations.• Facilitated knowledge-sharing initiatives through regular meetings with front-end engineers across the domain, organizing workshops to promote skill development.• Mentored junior developers and actively engaged in onboarding processes, conducting code reviews.• Participated in internal technical assessments of projects, conducted performance reviews to ensure projects met technical benchmarks and contributed to the creation of a skill matrix to evaluate and identify key talent skills for development and growth.

• Developed a responsive project-specific Vue.js component library, ensuring consistent branding and code reusability across multiple services, resulting in a reduction in design-to-development time.• Achieved a major reduction in technical debt by proactively addressing updates and working on unit tests, ensuring the long-term stability and maintainability.• Developed and maintained comprehensive documentation for Vue.js components, enabling efficient onboarding of new team members.

Stack: HTML5, CSS3, JavaScript (jQuery, Vue.js), PHP (Yii2)• Developed a dynamic data visualization module using Vue.js and Chart.js, allowing bank analysts to easily interpret complex data, resulting in increase in data-driven decision-making within the team.• Participated in development of the RESTful API based on Yii2 PHP framework serving as BFF layer between the UI and data-storing backend.• Initiated a migration of legacy systems to Vue.js.• Improved code reusability and modularity by implementing Vue.js single-file components, simplifying development and accelerating feature delivery.