open to new projects

I BUILD PLATFORMS
THAT RUN BUSINESSES

Web systems and SaaS platforms focused on performance, scalability and real results. From architecture to deployment.

Start a project → View portfolio
10+ years of experience
SaaS in production
UK, USA & Brazil international projects

Services

Solutions that scale with your business

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SaaS Development

Build scalable platforms with secure architecture, custom workflows and robust APIs.

PWA

Web Applications & PWAs

Fast, responsive applications that work across devices without app store dependency.

API

Internal Tools & Dashboards

Automate operations and centralise business data with custom-built tools.

Portfolio

Featured Projects

Paresi Platform - ESG Software for companies with GRI indicators and SDGs

// main case

Paresi | ESG Software for Companies BR

ESG management and corporate sustainability platform with GRI indicators, integrated SDGs, real-time dashboards, automated reports and AI-powered analytics.

23+
companies
50+
indicators
17
SDGs
view case study →    see it live →
Greenwich Student Collective - Student accommodation website London

website // London, UK

Greenwich Student Collective UK

Full-stack accommodation platform with interactive floorplan, Stripe booking system, admin dashboard with GA4 and Search Console integration, and AI-powered tools. 61 studios, 5 room types, live in Greenwich, London.

view project →
Collector and Co - Creative platform in London

website // London, UK

Collector & Co UK

Multi-vertical creative platform with five studio types, exhibition spaces, events and accommodation. Next.js with WhatsApp lead generation and custom brand identity.

view project →
Dord Business English School

website // Curitiba, BR

Dord Business English School BR

Custom WordPress with course catalogue, blog, student portal and WhatsApp conversion. Redesigned brand and UX for an online corporate English school.

view project →
Longevoo - Accessible design course for longevity

landing page // USA

Longevoo USA

Bilingual landing page (PT/EN) for accessible design and longevity course. Payment platform integration and language selector.

view project →

About

About

I don't just write code. I design, build and operate platforms that solve real business problems.

As CTO and co-founder of Paresi, ESG and sustainability platform, I've experienced the entire journey of building and scaling a SaaS product. I value lean processes, phased delivery and direct communication.

React Node.js SQL PWA REST APIs JWT WordPress

André Lauz

CTO & Co-founder at Paresi

Curitiba, Brazil. Available for remote projects worldwide.

Contact

Let's talk

Tell me what you need and I'll tell you how I can help.

or connect via

LinkedIn →

ALIW LTDA // André Lauz // 2026