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Guilherme de Mello

@guilhermedemello

Senior Software Architect and Tech Lead specializing in React, React Native, and TypeScript.

Brazil
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What I'm looking for

I seek senior technical roles where I can lead architecture and teams, improve platform scalability, and drive secure, high-quality delivery.

I am a Senior Consultant, Software Architect, and Tech Lead with over eight years designing and delivering complex web and mobile applications, primarily in the financial and banking sector.

I specialize in React, React Native, TypeScript, modular architectures, monorepos, enterprise design systems, and multi-region platforms, and I build shared components and feature-based modules to scale teams and products.

I have led technical governance, mobile security, CI/CD, automated testing, and feature-flag implementations, driving improvements in platform scalability, performance, and user engagement.

I partner closely with product and business stakeholders to translate requirements into secure, performant architectures and mentor engineering teams to uphold architectural standards and delivery excellence.

Experience

Work history, roles, and key accomplishments

Avanade logoAV
Current

Senior Consultant

Avanade

Jun 2024 - Present (1 year 9 months)

Architected and implemented a multi-region React Native mobile platform, defined architectural standards and base projects for multiple squads, and led mobile security and governance initiatives that improved platform scalability and performance.

Avanade logoAV
Current

Senior Consultant | Software Architect

Avanade

Jun 2024 - Present (1 year 9 months)

Architected and implemented a multi-region mobile platform using React Native, defined architectural standards for multiple squads, and led mobile security and governance efforts that improved platform scalability and performance.

SU

Senior Software Engineer

Safrapay US

Nov 2019 - Nov 2020 (1 year)

Provided technical leadership for banking mobile applications using React Native, developed onboarding and POS features, and integrated security SDKs for authentication and fraud prevention.

BS

Software Engineer

Banco Safra

Nov 2018 - Nov 2019 (1 year)

Developed investment modules for internet banking, integrating REST and SOAP APIs and building Node.js BFFs to support frontend services and transactions.

Education

Degrees, certifications, and relevant coursework

FG

FATEC Praia Grande

Associate Degree, Systems Analysis and Development

Associate Degree in Systems Analysis and Development with focus on software development and systems engineering concepts.

EC

ETEC Dr. Ruth Cardoso

Technical Degree, Information Technology

Technical degree in Information Technology covering practical and theoretical IT topics relevant to software and systems support.

Tech stack

Software and tools used professionally

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Guilherme de Mello - Senior Consultant - Avanade | Himalayas