Senior Product Engineer

Engineering
Integrity.

I build high-polish consumer apps and scalable edge architectures.

Spain-based engineer with a decade of experience at TrafficLab and Intive. When I'm not architecting edge logic, you'll find me on the beach volleyball and gym.

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LCP Reduction

40%

Edge migration to Cloudflare Workers, resulting in a 40% performance boost and 60% infrastructure cost savings.

Velocity Increase

35%

AI-native SDLC integration with Claude Code & Cursor.

INP Improvement

50%

Transition to Astro 'Islands Architecture' and Vue 3.

Active Users

2M+

High-concurrency streaming for A+E Networks and RTL.

Team Mentorship

Squad

Mentored a squad of 4 developers

Professional Journey

Engineering
Precision.

A curated timeline of architectural contributions, high-performance systems, and technical leadership.

Feb 2023 - Feb 2026

TrafficLab

Senior Product Engineer

Leading the frontend evolution of high-traffic performance marketing platforms, focusing on core web vitals and developer experience.

AI-Native SDLC

Integrated Claude Code and Cursor into the daily SDLC, increasing team velocity by 35% while maintaining architectural integrity through DDD.

Edge Performance

Led the migration from Vercel to Cloudflare Workers, reducing LCP by 40% across 15+ international markets.

Modern Architecture

Replaced a legacy monolith with a modern Astro and Vue 3 "Islands Architecture," resulting in a 50% improvement in INP.

Astro Vue 3 Cloudflare Workers TypeScript DDD AI-Native Visit TrafficLab ↗
Feb 2021 - Feb 2023

Intive

Senior Software Engineer

Delivered robust enterprise solutions for global automotive and fintech clients within a high-stakes agency environment.

Streaming Platforms

Engineered high-concurrency SVOD and TVE streaming products for A+E Networks and RTL, supporting 2M+ monthly active users.

Data Orchestration

Implemented advanced Apollo GraphQL patterns and strategic fragment management, reducing client-side API latency by 25%.

Design Systems

Developed cross-platform Storybook component libraries to reduce design-to-code friction by 20% and ensure high visual polish.

React GraphQL Apollo Storybook TypeScript Jest Visit Intive ↗
Sep 2018 - Feb 2021

Univio

Senior Frontend Engineer

Engineered complex invoicing modules and checkout flows for global SaaS platforms, focusing on multi-market compliance and scale.

Multi-tenant SaaS

Engineered multi-tenant invoicing and checkout flows for global B2B/B2C SaaS, handling complex VAT/Tax logic with zero financial data regressions.

PWA Implementation

Led the implementation of Progressive Web Apps (PWA) to bridge the gap between web and mobile for 200+ individual tenants.

State & Performance

Optimized global state using Vuex and Nuxt.js, reducing bundle sizes by 15% through tree-shaking and lazy-loading.

Vue.js Nuxt.js Vuex PWA TypeScript Visit Univio ↗
Sep 2017 - Aug 2018

Ogilvy

Frontend Web Developer

Built high-profile web applications and gamified experiences for global brands like Shell and Winiary.

Gamification

Developed a gamification e-learning app for Shell using React.js and Redux, improving employee engagement.

Brand Platforms

Implemented the primary consumer website for Winiary.pl and various promotional contest sites.

React Redux JavaScript Visit Ogilvy ↗
Jul 2016 - Sep 2017

Lama Media

Web Developer

Full-stack development within a Scrum environment, delivering responsive and SEO-optimized web solutions.

Scrum Delivery

Contributed to a range of web projects covering both frontend and backend work in an agile team.

SEO & Speed

Wrote SEO-friendly, semantically correct code and improved page speed using JS, HTML5, PHP, and MySQL.

JavaScript HTML5 PHP MySQL SEO
Jul 2015 - Oct 2015

Red Dragon Media

Frontend Web Developer (Intern)

Pixel-perfect frontend development in a fast-paced startup environment, bridging design and technology.

Precision Implementation

Translated multiple website designs from PSD to HTML with pixel-perfect accuracy and responsive behavior.

Modern Tooling

Utilized HTML5, CSS, jQuery, SASS, Gulp, and Bootstrap to create user-friendly interfaces.

HTML5 SASS Gulp jQuery Bootstrap
Capabilities

Tech
Stack.

Architecting digital experiences through a curated selection of industry-standard tools and modern primitives, focused on scale and performance.

Frontend Architecture
Modern Frameworks
AI-Native Engineering
Astro
AI CLI Agents
Vue 3
React / Next.js
Architecture & Edge
Cloudflare Workers
TypeScript (DDD)
Quality & Performance
Datadog (RUM)
Ready to start?

Let's Talk
Strategy.

Available for high-stakes projects and architectural consultations. I build for longevity.

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KONOPKA