Kostiantyn Draliuk

• Owned the frontend architecture of a multi-tenant SaaS platform - workspaces, RBAC, and real-time updates that the rest of the product depended on
• Set technical direction for the frontend codebase: defined architectural patterns, layer boundaries, and conventions so the team could ship features predictably as the product scaled
• Built performance-sensitive data views and large-scale data visualizations on top of a big-data backend API
• Developed and maintained a project-specific design system and component library, including complex multi-step form abstractions with deeply recursive validation reused across the application
• Delivered end-to-end flows for authorization, onboarding, subscriptions, settings, and role-based views
• Partnered cross-functionally with UI/UX and backend teams in a fast-paced startup environment - gathered requirements directly, scoped technical approaches, and produced implementation plans
• Partnered with backend engineers on API contracts, validation schemas, and shared type systems to keep integration reliable as the product evolved
• Built the end-to-end server-to-client validation layer, activaly contributed to the backend microservices development in Node.js (Encore.ts, Express) and Bun (Hono) as a full-stack, tightened the contracts between frontend and backend; defined style-guides
• Established code review practices, maintained consistency across the teams, and mentored colleagues on architecture and best practices

Technologies: Vue.js, TypeScript · Svelte/SvelteKit · Vue 3 (Composition API) · Pinia · unplugin-vue · Tailwind · SCSS/BEM · React Email · Figma · Mermaid · REST · WebSocket · SSE · Microservices · Go · Node.js (Encore.ts) · webhooks · Drizzle ORM · SQL · CubeJS · ClickHouse · Postgres · Redis · Docker · Cognito · Zitadel · Casbin · Stripe · Vitest

• Contributed to the development of the company’s microfrontends within a well-structured architecture, delivering features across multiple environments using Vue.js, Svelte, and TypeScript
• Contributed to shared component libraries by creating, improving, and refactoring reusable components
• Collaborated with designers, backend engineers, and product managers to shape and deliver features that balanced user needs, technical constraints, and product goals in agile environment
• Participated in code reviews and engineering discussions to maintain code quality and development standards
• Participated in planning, requirement refinement, and delivery estimation to support predictable execution and cross-team alignment
• Mentored colleagues in frontend development best practices and techniques

• Delivered diverse projects for clients: CMS-based websites, premium CMS templates/addons, frontend enhancements and optimizations, and custom web applications from scratch
• Built full-stack solutions using Vue.js, Laravel, Node.js, AdonisJs, and Express.js
• Developed and maintained component libraries and design systems in Vue.js for efficient UI development across projects
• Achieved measurable improvements in speed optimization, SEO, and quality audits, resulting in better site rankings and reduced load times
• Identified and resolved performance bottlenecks, security vulnerabilities, and code maintainability issues
• Worked with clients to gather requirements, provide estimates, and offer technical guidance
• Managed projects using Jira, Azure, and YouTrack, tracking progress and providing regular client updates