Fullstack Developer.

Mateus Maistro

Fullstack Developer.

Available to hire

Fullstack Developer.

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

Portuguese
Fluent
Spanish; Castilian
Advanced
English
Advanced
Galician
Advanced

Work Experience

Support Assistant at Viventeris
January 1, 2025 - Present
Provided real-time technical support and case triage; leveraged Python scripting, internal tools, and automation-driven workflows to handle urgent dental-care cases. Developed automation scripts to streamline documentation, data extraction, and process validation. Utilized AI-assisted analysis, prompt-based workflows, and structured automation pipelines to standardize communication templates and accelerate decision-making. Identified operational bottlenecks and implemented process optimization strategies using automation techniques and lightweight tooling.
Junior Full-Stack Developer at Viventeris
January 1, 2024 - Present
Contributed to internal tool development using Python, FastAPI, and REST API patterns; implemented routing, CRUD operations, validation, and CORS configuration for operational workflows. Implemented secure authentication flows with JWT, Google OAuth2, and role-based access, ensuring smooth integration between backend services and the React/TypeScript front-end. Designed and maintained database schemas using SQLAlchemy and SQLite, including model definitions, relationships, and optimized query logic. Developed front-end functionality in React + TypeScript, integrating API calls, protected routes, and reusable components for protocol submission and management. Created Python automation scripts to reduce manual workload in documentation, data extraction, and on-call support operations. Supported system reliability through refactoring, consistent error handling, and clean API-integration practices across the stack.
Administrative Intern at Vigo City Council
January 1, 2019 - January 1, 2020
Designed and implemented Python automation scripts to optimize document classification, file management, and internal workflows, significantly reducing manual processing. Assisted in invoice verification and financial operations using structured data handling, accuracy-focused validation, and digital workflow tools. Gained hands-on experience with government systems, digital tools, and structured organizational workflows, applying analytical thinking to daily administrative tasks.

Education

Microcomputer Systems and Networks at iFP (EQF Level 4 Equivalent)
January 1, 2025 - December 19, 2025
Web Development at Estudios Rafer (industry-focused training)
January 1, 2025 - December 19, 2025
Business Administration and Management at C.P.R Daniel Castelao (EQF Level 4 Equivalent)
January 1, 2017 - January 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Government, Professional Services