About Filipp
Senior Frontend Developer with 6 years of experience building scalable web applications using TypeScript and React.
Passionate about seamless UI/UX and robust frontend architecture. Experienced in designing component-driven systems and collaborating closely with product and design teams. EU-based with work authorization.
English
Native or bilingual
Spanish
Basic
Russian
Native or bilingual
Can work on-site
Barcelona (up to 50km)
Experience
- WavestoneSenior Frontend DevloperE-COMMERCEJune 2025 - Today (1 year)Barcelona, Spain
- Driving the migration of an enterprise-scale healthcare eCommerce platform to Next.js, contributing to a global B2B ecosystem that serves 120k healthcare professionals and supports over €7bn in annual product sales
- Building modular, reusable UI components and ensuring clean architecture
- Integrating enterprise-grade CMS, external APIs, feature flags, observability, and compliance services
- Implementing unit and end-to-end testing (Jest, Playwright) to ensure reliability and stability
- Enhancing CI/CD workflows, static analysis, and FE quality standards
- Collaborating with UX, DevOps, and backend teams to deliver seamless user experiences
- Applying AI-assisted tooling to improve test generation, documentation quality, and developer workflows
- X5 GroupFrontend EngineerRETAIL (LARGE RETAILERS)September 2021 - May 2025 (3 years and 8 months)Moscow, Russia• Played a core role in developing a React + TypeScript web application that became the main internal tool for the business unit, leading to $2M+ in yearly savings through reduced missed deals• Designed a scalable frontend architecture from scratch, ensuring maintainability and adoption across 5 teams• Improved UX for 1,000+ corporate clients by building a reusable, complex filtering module (50+ parameters)• Contributed to the design system by developing shared components and documenting them with Storybook, improving UI consistency and developer onboarding• Architected state management using React Context and React Query, enabling scalable data flows and reducing redundant re-renders in complex views• Introduced front-end testing using React Testing Library and Jest, covering ~25% of core components andimproving app stability and development velocity• Achieved a 2x faster deployment speed and accelerated the feedback loop for the team by initiating a CI/CD flow transformation, incorporating automated builds• Led live coding sessions and hands-on workshops for a team of 20, enhancing alignment and velocity• Conducted code reviews across 3 products to support code quality and maintain team standards
- KB StrelkaContract Frontend EngineerCONSULTING AND AUDITSAugust 2019 - January 2020 (5 months)Moscow, Russia• Reduced master plan creation time by 50% by engineering a CMS with custom React plugins for WordPress• Enabled cross-departmental adoption by building a learning center app used across 2 departments, improving knowledge transfer• Developed 3 data-driven dashboard prototypes with GraphQL, supporting sales team initiatives• Partnered with stakeholders to rapidly prototype and deliver 10+ UI features through short feedback loops
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Education
- Fullstack JavaScript EngineerElbrus Coding Bootcamp2019Fullstack JavaScript Engineer
- Specialist (M.Sc equivalent)Moscow State UniversitySpecialist (M.Sc equivalent)