About

Frontend Engineer focused on scalable, high-performance, product-driven systems.

Professional Summary

I am a Frontend Engineer with a product-oriented mindset, focused on scalable architecture, performance, and real user outcomes in SaaS environments.

I have led frontend initiatives, improved team workflows, and delivered high-quality experiences across compliance products used by more than 10 companies. I also collaborate beyond frontend boundaries when needed, contributing to backend solutions in Go to improve reliability and automation.

Experience

MSPA — Frontend Engineer (Product-Oriented) (Apr 2025 – Present)
Privacy, Compliance (LGPD), and SaaS Platforms

  • Led frontend architecture and product development for core SaaS products, including Compass and Trust Center, used by 10+ companies.
  • Designed intuitive UX for complex compliance workflows and applied SEO strategy to improve discoverability.
  • Delivered consistently strong Lighthouse performance across multiple products.
  • Reorganized development workflow during a critical phase, improving sprint clarity, ownership, and team productivity across a 6-developer team (4 directly influenced).
  • Built a framework-agnostic consent engine with Web Components (Lit + Shadow DOM), integrated with Cloudflare Workers, KV, D1, and Durable Objects.
  • Contributed to backend fixes and internal tooling using Go, including concurrent processing and internal APIs.

Selected Projects

Terto Beats: Fullstack digital product platform (Next.js, Supabase, Vercel) with end-to-end checkout, state management, and post-purchase automation.

RendeCerto: Financial web application focused on simulation accuracy and reliability, with strong test coverage for complex calculation rules.

Quebrando Fronteiras: Refactored critical user flows on a social impact platform, improving usability and conversion-related interactions.

Technical Skills

Frontend: Angular (Signals/RxJS), React, Web Components (Lit), TypeScript, Tailwind CSS.
Architecture: Scalable systems, design systems (Shadow DOM), performance optimization, SEO.
Backend Exposure: Go (concurrency, APIs), debugging distributed systems.
Cloud & Infra: Cloudflare Workers, KV, D1, Durable Objects, serverless architectures.
Testing & QA: Vitest, CI/CD pipelines, reliability-focused engineering.
Product & Collaboration: Product thinking, backlog refinement, code review, cross-functional collaboration.

Education & Languages

Internet Systems — UNCISAL (Expected 2026)
Portuguese: Native | English: Professional Working Proficiency (in progress)

Location & Contact

Location: Maceio, AL, Brazil
Email: devandrenicolas@gmail.com
GitHub: github.com/devAndreNicolas
LinkedIn: linkedin.com/in/devandrenicolas