Łukasz Łusiak

SENIOR FRONTEND ARCHITECT

Senior Frontend Engineer & Architect

Professional summary

I am a senior frontend engineer and architect with more than eight years of experience designing and delivering scalable enterprise applications and public-sector systems. I specialize in Vue 3, Nuxt 3, TypeScript, and enterprise integrations, including SAP. I optimize Core Web Vitals (improving LCP and INP by more than 40%), build enterprise design systems, and shorten time to market through CI/CD automation and AI-assisted engineering workflows.

01 /

Experience

Senior Frontend Engineer & Architect · ithouse.co

01.2024 — Present

I co-architect and develop large-scale public-sector systems while introducing AI-assisted engineering workflows.

  • ›Designed and implemented modular frontend architecture with Vue 3, Nuxt 3, and TypeScript for high-availability public-sector solutions subject to stringent security requirements.
  • ›Introduced automated AI-assisted code-review workflows and Playwright E2E test suites, reducing pull-request review time by 35%.
  • ›Improved application performance (INP < 100 ms and LCP < 1.8 s), ensured WCAG 2.1 AA compliance, and maintained data security.
  • ›Co-authored architecture standards and Architecture Decision Records (ADRs), selected the technology stack, and mentored engineers across the team.

Senior Frontend Developer · Team Lead · Cloudflight

03.2019 — 01.2024

Led a five-person frontend team delivering enterprise-grade applications; owned technical architecture and the enterprise design system.

  • ›Led a five-person frontend team on international enterprise projects, taking responsibility for the technical roadmap, effort estimates, and code quality.
  • ›Architected and developed multi-module enterprise web applications using Angular, RxJS, and NgRx, integrated with core SAP ERP systems.
  • ›Designed and implemented an enterprise design system based on reusable components and Storybook, reducing UI delivery time by 30%.
  • ›Conducted technical interviews and engineering workshops and onboarded and mentored more than 10 software engineers.

Frontend Developer · Atos

01.2018 — 02.2019

Engineered and maintained client-facing web applications across the full lifecycle for global enterprise clients.

  • ›Developed responsive single-page and server-rendered web applications with Vue.js and Nuxt.js, integrated with REST APIs.
  • ›Worked with UX/UI designers and backend engineers in Scrum, implementing designs accurately and meeting WCAG accessibility guidelines.
  • ›Optimized bundle sizes and asset-loading performance and implemented automated Jest unit tests to maintain high code coverage.
Łukasz Łusiak · Curriculum VitaePage 1 of 2
Łukasz Łusiak ·Senior Frontend Engineer & Architect
luklus.me
02 /

Featured Projects

HomeKeeper · Home Management Platform

Comprehensive home-management SaaS platform featuring warranty records, maintenance schedules, utility meter readings, tasks, and household budgeting. Designed and built from the ground up with Nuxt 3, Vue 3, Supabase, and Tailwind CSS.

Founder & OwnerSaaS PlatformNuxt 3 · Supabase

Zieliński ART · Bespoke Jewelry Studio

Custom portfolio website for a jewelry studio, with original visual design, optimized media, and a focus on fast loading.

Client ProjectShowcase & E-CommerceNuxt 3 · Tailwind CSS

Auto TIP · Automotive Repair Service

Website for an automotive repair shop with more than 30 years of experience. Optimized for local SEO and fast loading, with a 100/100 performance score in PageSpeed Insights.

Client ProjectNuxt 3 · SEO & Performance

LOOP Mobi · Mobile Hair Salon

Responsive website for a mobile hair salon, with clear pricing, a travel-zone calculator, and easy access to contact details.

Client ProjectNext.js · Responsive UI
03 /

Skills

Frontend & Frameworks
Vue 3TypeScriptNuxt 3JavaScript (ES6+)AngularReactHTML5 / Semantic HTMLCSS3 / Tailwind CSS
Architecture & Performance
SSR / SSG / ISRClean ArchitectureDesign SystemsCore Web VitalsMicrofrontendsHeadless CommerceArchitecture Decision Records (ADR)
State Management & APIs
PiniaREST APIGraphQLSupabaseRxJS / NgRxWebSocket
Testing & Tooling
Playwright (E2E)Vitest / JestViteStorybookESLint / PrettierGit / GitHub ActionsWebpack
Backend & Cloud
Node.jsPHP / LaravelPostgreSQL / SupabaseCloudflare (Pages & Workers)REST Services
Design & Accessibility
FigmaUX/UI DesignDesign TokensWCAG 2.1 AA / Accessibility (A11y)
AI in Software Development
AI-Assisted DevelopmentPrompt EngineeringAI WorkflowsAutomated Code Review
04 /

AI in Software Development

I use AI to help plan, prototype, write code, and create tests. I review its suggestions and take responsibility for the quality of the result.

✓ Architecture and System Planning✓ UI Prototyping and Scaffolding✓ Implementation and Refactoring✓ Automated Code Review✓ Test Automation✓ Performance Optimization
05 /

Languages

  • PolishNative
  • EnglishUpper-intermediate (B2) · Business and technical communication
06 /

Education

IT Technician — Computer Systems and Networks
Centrum Edukacji w Zabrzu (2002 — 2006)

I consent to the processing of the personal data contained in my application documents for recruitment purposes in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 (GDPR).

Łukasz Łusiak · Curriculum VitaePage 2 of 2