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I'm a software developer focused on mobile, with hands-on experience shipping a production Flutter application integrated with an ERP system and published on the Google Play Store. I'm comfortable across the JavaScript/TypeScript ecosystem (React, Next.js, Node.js) and experienced end-to-end—from requirements gathering through architecture, implementation, testing, and release. I'm currently pursuing an MSc in AI Engineering at ISEP in Porto, with coursework in NLP, Deep Learning, Multi-Agent Systems, and IoT/Robotics.…I'm a software developer focused on mobile, with hands-on experience shipping a production Flutter application integrated with an ERP system and published on the Google Play Store. I'm comfortable across the JavaScript/TypeScript ecosystem (React, Next.js, Node.js) and experienced end-to-end—from requirements gathering through architecture, implementation, testing, and release. I'm currently pursuing an MSc in AI Engineering at ISEP in Porto, with coursework in NLP, Deep Learning, Multi-Agent Systems, and IoT/Robotics.

Gustavo Sousa Lima Passinho

Web Developer, Front-End Developer, Full Stack Developer, +2

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I'm a software developer focused on mobile, with hands-on experience shipping a production Flutter application integrated with an ERP system and published on the Google Play Store. I'm comfortable across the JavaScript/TypeScript ecosystem (React, Next.js, Node.js) and experienced end-to-end—from requirements gathering through architecture, implementation, testing, and release. I'm currently pursuing an MSc in AI Engineering at ISEP in Porto, with coursework in NLP, Deep Learning, Multi-Agent Systems, and IoT/Robotics.…I'm a software developer focused on mobile, with hands-on experience shipping a production Flutter application integrated with an ERP system and published on the Google Play Store. I'm comfortable across the JavaScript/TypeScript ecosystem (React, Next.js, Node.js) and experienced end-to-end—from requirements gathering through architecture, implementation, testing, and release. I'm currently pursuing an MSc in AI Engineering at ISEP in Porto, with coursework in NLP, Deep Learning, Multi-Agent Systems, and IoT/Robotics.

Available to hire

I’m a software developer focused on mobile, with hands-on experience shipping a production Flutter application integrated with an ERP system and published on the Google Play Store.
I’m comfortable across the JavaScript/TypeScript ecosystem (React, Next.js, Node.js) and experienced end-to-end—from requirements gathering through architecture, implementation, testing, and release. I’m currently pursuing an MSc in AI Engineering at ISEP in Porto, with coursework in NLP, Deep Learning, Multi-Agent Systems, and IoT/Robotics.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Fluent

French

Beginner

Spanish; Castilian

Beginner

Work Experience

Mobile / Front-end Developer at Águia Sistemas

April 1, 2025 - February 28, 2026

Designed, built and shipped a Flutter mobile application for the company's field sales force, fully integrated with the ERP system; app live on Google Play Store. Led implementation of a strategic 'shopping cart' feature to streamline in-field negotiation and order placement. Structured the application using Atomic Design to ensure scalable and maintainable UI components. Consumed and integrated RESTful APIs to maintain real-time data consistency between the mobile client and ERP back-end. Worked in an agile workflow with Git-based version control, contributing across requirements gathering, implementation, code review and Play Store publication.

Co-founder & President at Tech Junior

January 1, 2023 - December 31, 2024

Co-founded a software development company and served as President and Project Director, leading technical teams and managing client engagements under Scrum/Agile frameworks. Delivered tailored web and mobile solutions for clients including SEBRAE and Aprimore Hub de Negócios, with emphasis on technical documentation, requirements engineering and stakeholder alignment. Built React-based corporate websites and Flutter mobile applications, owning projects end-to-end from functional and non-functional requirements through delivery.

Marketing Automation Specialist at NU Digital

February 1, 2024 - June 30, 2024

Built customer-facing chatbot flows (ManyChat) and internal system integrations (Zapier, Make)—eliminating repetitive manual tasks and boosting team productivity. Structured and monitored email marketing campaigns for lead nurturing and conversion optimization across the sales funnel.