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Miguel FélixMF
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Miguel Félix

@miguelflix

Frontend Engineer at Anubisnetworks who built a shared design system and cut First Load JS by 36%.

Portugal
Message

At Anubisnetworks, I own the frontend for Mailspike, a B2B email-security product, and drove its migration from a single-user to a multi-tenant architecture with zero downtime.

I built an agentic development system used across two products, with codebase context, shared standards, and a workflow from intake to verification. I also built domain-verification admin tools that cut manual backend checks and support workload by about 50%.

I built and maintained a shared component library and design system across three projects, and designed React/Redux global state architecture for cross-module features. Through architectural refactors, code-splitting, and removing redundant API calls, I cut First Load JS by 36%, global bundle size by 50%, and memory usage by 20%.

Before that, at CNetwork, I owned the web platform from its first commit through launch and used analytics and A/B tests to ship layout and CTA variants that lifted conversion rates. My work also spans subscription flows, frontend testing, and backend APIs, with React, Next.js, and TypeScript among my core tools.

Experience

Work history, roles, and key accomplishments

CN

Front-End Developer

CNetwork

Jan 2021 - Dec 2023 (2 years 11 months)

Owned the company's web platform from first commit through launch, ran analytics and A/B tests to improve conversion rates, and maintained platform security and reliability.

Education

Degrees, certifications, and relevant coursework

ES

ESAP

Degree, Communication Design

Degree in Communication Design with a focus on responsive front-end development and UI/UX principles, bridging design and engineering.

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