Senior Frontend Engineer with 9+ years of experience building and scaling production-grade web applications.
At Identity AI Labs, I was the Founding Senior Software Engineer on a real-time AI platform. I built the frontend from MVP and helped scale it to ~1M users. I focus on system design, performance, real-time applications, and frontend architecture, going beyond UI into reliability, data flow, observability, and production performance.
Strong experience with React, TypeScript, Next.js, SSR, WebSockets, GraphQL, and scalable frontend systems, as well as analytics, payment flows, browser extensions, design systems, and frontend infrastructure.
Based in Madrid, Spain, open to remote opportunities across the EU and globally.
Core: React, TypeScript, JavaScript, Next.js, React Router, frontend architecture, scalable UI systems
Systems: WebSockets, SSR, client-server architecture, authentication, event-driven UX, long-lived user sessions
State & Data: Zustand, TanStack Query, GraphQL, REST, Redux, Redux-Saga
Performance: Web Vitals, bundle optimization, code splitting, runtime optimization, developer experience improvements
Styling & UI: Tailwind CSS, CSS, SASS, PostCSS, Material UI, Ant Design, Mantine, design systems
Testing: Vitest, Jest, React Testing Library, MSW, Playwright, Cypress
Tooling: Vite, Bun, OXC, Storybook, pnpm workspaces, monorepos
Analytics & Product: GTM, PostHog, event tracking systems, consent flows, product analytics
Backend & Infra: Node.js, Express, Firebase, Docker, CI/CD, cloud deployment
Additional: Browser extensions, i18n, Web3 wallets, production monitoring, external API integrations
- Designed WebSocket-based architecture for real-time messaging
- Implemented message sync, media handling, voice flows, and streaming updates
- Optimized for high-frequency interactions, long-lived sessions, and low-latency UX
- Reduced LCP from ~20s → ~3s across core flows
- Decreased initial mobile payload from ~4.3MB → ~1.7MB
- Improved critical rendering path, resource loading, hydration, and main-thread performance
- Built GTM + PostHog tracking system with custom data layer
- Designed event architecture for both product and marketing use cases
- Improved production visibility through Web Vitals, monitoring, and reliable user-flow tracking
- Implemented subscriptions and async checkout flows
- Integrated 3DS authentication and handled failure edge cases
- Supported virtual currency and transaction tracking flows
- Led CRA → Vite migration with ~82% bundle size reduction
- Migrated ~80% of API layer from REST → GraphQL with React Query
- Led Ember → React migration across ~80% of UI
- Improved testing and developer workflows through Jest → Vitest migration
Adia Health / Aug 2026 – Present · Remote from Madrid, Spain
Own Adia's shared lab-ordering experience across multiple applications. I lead delivery of extension and product areas end to end across frontend, backend, deployment, QA, launch readiness, and UI/UX, and rebuilt the payment flow.
Identity AI Labs / Mar 2025 – Apr 2026 · Contract, full-time
- Built and scaled a real-time AI platform from MVP to ~1M+ users, owning frontend architecture and system design end-to-end
- Set frontend standards, led code reviews, and mentored engineers
- Owned frontend features end-to-end, collaborating closely with product and design to deliver polished, high-performance user experiences
- Built real-time chat system with WebSockets, media, and voice flows optimized for responsiveness under frequent updates
- Led a full performance overhaul, reducing LCP from ~20s to ~3s and decreasing initial mobile payload from ~4.3MB to ~1.7MB
- Designed frontend architecture across SSR, data loading, CDN delivery, analytics, and production monitoring
- Built analytics and observability systems with GTM, PostHog, custom event architecture, Web Vitals, and monitoring
- Integrated external APIs and services, handling complex frontend/backend data flows
- Implemented complex payment flows including subscriptions, async checkout, 3DS authentication, and virtual currency
Thrive Career Wellness / May 2023 – Aug 2025
- Worked on a large-scale multi-tenant career development platform within a monorepo environment
- Led CRA → Vite migration, improving development speed and reducing bundle size by ~82%
- Migrated ~80% of API layer from REST → GraphQL with React Query
- Led Ember → React migration across ~80% of UI
- Improved testing setup from Jest → Vitest and aligned testing practices with real user behavior
- Contributed to frontend architecture, conventions, and developer workflows across multiple web applications, internal tools, and a Chrome extension
Webisoft / May 2022 – Apr 2023
- Built blockchain-based applications including an NFT marketplace using Next.js and GraphQL
- Integrated wallets including MetaMask and Phantom across Ethereum, Solana, and Terra ecosystems
- Contributed to a P2P poker application using React, Redux, and real-time communication layers
- Worked on real-time and async transaction flows
Limestone Digital / Creditinfo / May 2021 – May 2022
- Contributed to a large-scale credit bureau SaaS platform used across multiple markets
- Migrated legacy JavaScript modules to TypeScript, improving type safety and maintainability
- Introduced Storybook and improved component architecture
- Built and extended reusable design system components, including data-driven UI elements
- Developed enterprise features such as user management, role management, data tables, and workflow interfaces
Buglance / Jan 2020 – May 2021
- Led frontend development across a SaaS platform ecosystem spanning 7 repositories
- Acted as a primary contributor with ~2,300 commits and ownership of a large share of the codebase
- Built and maintained core product features including project management, scheduling, analytics dashboards, and role-based workflows
- Developed a Chrome extension and a Next.js-based marketing platform
- Built reusable component systems with TypeScript, React, Redux, and Firebase
- Defined frontend standards and collaborated closely with product and backend teams
Frontend Engineer
Vendiks & Finmarket LLC / Jul 2019 – Jan 2020
- Built SaaS and fintech interfaces using React, Redux, Redux-Saga, and Material UI
- Developed data-heavy forms, CRUD tables, multi-step workflows, and API-integrated business logic
- Worked on credit-scoring features, scheduling flows, and early Cypress-based end-to-end testing
Frontend Developer
Ante Technologies / May 2018 – Jul 2019
- Built and optimized internal and client-facing web applications
- Refactored legacy codebases for better performance and maintainability
- Created automation tooling to streamline HTML/CSS generation and improve development consistency
Frontend Instructor & Mentor
Code Academy / Jun 2017 – Jan 2021, part-time
- Taught frontend fundamentals through project-based learning
- Designed course materials and provided structured feedback to students
- Mentored students transitioning into real-world development environments
Computer Systems Technician, Postgraduate Diploma
George Brown Polytechnic / Jan 2021 – Apr 2022
B.Sc. Civil Engineering
Azerbaijan State Oil and Industry University / Sep 2014 – May 2018
Software Development Diploma
Code Academy / Dec 2016 – Aug 2017