Konstantin S.

• Technical Ownership of the Web Components Platform – Owning QuikStor's embeddable Lit component library end to end: architecture, public API design, theming, localization (EN/fr-CA) and WCAG accessibility, so operators can embed reservation, move-in and payment flows directly into their own websites.

• Frontend Architecture – Defining the shared foundations the whole codebase builds on: the design system and shared UI, hooks and domain packages, plus the API and state layer (TanStack Query, Zustand, dual-token auth, permission-gated data access).

• End-to-End Product Development – Designing and shipping features across a Turborepo monorepo of six React/TypeScript applications used daily by self-storage operators.

• Complex Feature Delivery – Building high-density product surfaces such as virtualized reporting tables with PDF and spreadsheet exports, dynamic form systems (React Hook Form + Zod) and bulk CSV import pipelines.

• Code Quality & Mentorship – Reviewing pull requests, mentoring engineers across a large multi-app codebase and codifying the team-wide frontend conventions and standards.

• Designed, built, and scaled enterprise-grade software solutions within large and complex codebases
• Structured scalable and maintainable software architectures across multiple technologies for enterprise applications
• Conducted in-depth code reviews and mentored engineers to improve development standards and support work within complex systems
• Led engineering teams in high-stakes environments, ensuring technical alignment with business objectives
• Recruited and evaluated engineering talent through technical interviews and hiring processes for large-scale, multi-technology teams

• Served as Frontend Team Lead in the Belgrade office, managing and mentoring a frontend team while driving best practices and ensuring high-quality development in a large-scale enterprise environment
• Designed, built, and optimized enterprise applications within a complex multi-technology ecosystem
• Defined and implemented scalable frontend architectures integrated with backend services across large codebases
• Conducted thorough code reviews, mentored engineers, and improved development workflows in a fast-paced environment

• Led the full product development lifecycle from concept to deployment, building a custom e-commerce platform with an integrated back-office solution
• Designed and implemented user-centric, high-performance features to improve user experience
• Built reusable, modular code and scalable architecture to support long-term maintainability
• Developed new features while optimizing and maintaining existing functionality to ensure stability and performance
• Implemented and optimized custom Shopify integrations for a large-scale e-commerce platform

• Developed new user-facing features
• Built reusable code and libraries
• Implemented new features and maintained existing functionality

• Development of a new user-facing features

• Built reusable code and libraries

• Implementation of new and maintenance of existing features