Guilherme de Mello
@guilhermedemello
Senior Software Architect and Tech Lead specializing in React, React Native, and TypeScript.
What I'm looking for
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
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.
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.
Tech Lead
Avanade
Dec 2021 - Jun 2024 (2 years 6 months)
Provided technical leadership for multi-team web and mobile development in a white-label banking ecosystem, defined scalable secure architectures, and delivered real-time market integrations and banking features including trading and payments.
Tech Lead | Senior Consultant
Avanade
Dec 2021 - Jun 2024 (2 years 6 months)
Led multiple web and mobile teams for a white-label banking ecosystem, defined scalable and secure architectures, and delivered real-time integrations and banking features including trading, payments, and notifications.
Tech Lead | Consultant
Avanade
Nov 2020 - Dec 2021 (1 year 1 month)
Designed and built web and mobile banking architecture, implemented a monorepo and shared modules, and standardized component development with Storybook and a dynamic design system.
Tech Lead
Avanade
Nov 2020 - Dec 2021 (1 year 1 month)
Designed and built web and mobile banking architecture with a monorepo, developed shared modules and a dynamic design system, and standardized component development with Storybook.
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.
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
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.
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
Availability
Location
Authorized to work in
Job categories
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