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Hi, I'm João Pedro Cassiano, a software developer specializing in full-stack and backend solutions with C#, .NET, and React. I enjoy turning ideas into robust, scalable applications and solving complex problems with clean design. Currently based in Galway, Ireland, with an education background from Unicamp in Campinas, Brazil, I thrive on hands-on learning, mentoring juniors, and building innovative tools—from enterprise SaaS to ML-backed experiments and hardware-software integrations.…Hi, I'm João Pedro Cassiano, a software developer specializing in full-stack and backend solutions with C#, .NET, and React. I enjoy turning ideas into robust, scalable applications and solving complex problems with clean design. Currently based in Galway, Ireland, with an education background from Unicamp in Campinas, Brazil, I thrive on hands-on learning, mentoring juniors, and building innovative tools—from enterprise SaaS to ML-backed experiments and hardware-software integrations.

João Pedro Cassiano

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

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Hi, I'm João Pedro Cassiano, a software developer specializing in full-stack and backend solutions with C#, .NET, and React. I enjoy turning ideas into robust, scalable applications and solving complex problems with clean design. Currently based in Galway, Ireland, with an education background from Unicamp in Campinas, Brazil, I thrive on hands-on learning, mentoring juniors, and building innovative tools—from enterprise SaaS to ML-backed experiments and hardware-software integrations.…Hi, I'm João Pedro Cassiano, a software developer specializing in full-stack and backend solutions with C#, .NET, and React. I enjoy turning ideas into robust, scalable applications and solving complex problems with clean design. Currently based in Galway, Ireland, with an education background from Unicamp in Campinas, Brazil, I thrive on hands-on learning, mentoring juniors, and building innovative tools—from enterprise SaaS to ML-backed experiments and hardware-software integrations.

Available to hire

Hi, I’m João Pedro Cassiano, a software developer specializing in full-stack and backend solutions with C#, .NET, and React. I enjoy turning ideas into robust, scalable applications and solving complex problems with clean design.

Currently based in Galway, Ireland, with an education background from Unicamp in Campinas, Brazil, I thrive on hands-on learning, mentoring juniors, and building innovative tools—from enterprise SaaS to ML-backed experiments and hardware-software integrations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Work Experience

Software Developer – Innovation Trainee at Inspand

April 1, 2024 - April 1, 2025

Full-Stack Development: Engineered internal web applications using C# and .NET, utilizing Blazor and Razor to build responsive, component-based user interfaces. Tool Development: Spearheaded the development of a custom goal-tracking system and an interactive feedback tool (modeled after Mentimeter), significantly improving team engagement during presentations. Production & Ops: Managed end to end production deployments and proactive system monitoring to ensure high application stability. Leadership & Coordination: Orchestrated technical meetings and task delegation for intern cohorts, ensuring team alignment and consistent delivery against project deadlines.

Full-Stack Project at Studio (SaaS for Financial & Inventory Management)

January 1, 2026 - Present

Architect ure: Full-stack SaaS solution for small businesses using C#/.NET (ASP.NET Core) and a React/TypeScript front end. Backend: Developed a RESTful API to manage financial and inventory data, implementing complex business rules and CRUD operations. Data Layer: Optimized data management using Entity Framework Core with migrations for versioning and schema evolution. Collaboration: Maintained development standards and version control via Git/GitHub.

Fraud Detection in Financial Transactions (Machine Learning) at Personal Project

September 1, 2025 - November 1, 2025

Methodology: Performed exploratory data analysis (EDA) and feature engineering, including complex temporal and geographical transformations. Technical Stack: Built robust machine learning pipelines using scikit-learn and XGBoost, utilizing algorithms such as Random Forest, KNN, and Stacking Ensembles. Validation: Ensured model reliability using stratified cross-validation and evaluated performance using metrics like ROC AUC. Deployment: Structured models for serialization and API consumption using FastAPI and Flask for future production integration.

Final Project – EduCare: Smart Bracelet to Support Children with ASD at Personal Project

March 1, 2025 - November 1, 2025

System Design: Developed a smart bracelet for individuals with Autism Spectrum Disorder (ASD), focusing on real-time monitoring, behavioural support, and caregiver communication. Cross-Disciplinary Integration: Led the integration between software and hardware, managing data processing, organizational workflows, and the definition of functional requirements. Technical Execution: Architected a data visualization interface, applying advanced system architecture, programming logic, and code organization to deliver a functional, real world solution.