08/02/2026 updated
100 % available
Senior Full Stack Software Engineer | SaaS & Backend Architecture
Fornovo di Taro, Italy
Only remote
Software Engineering, Full Stack Development | Python, PHP, FastAPI, React, PostgreSQL,Docker, LinuxAbout me
Senior Software Engineer with extensive experience building SaaS platforms, CRM, ERP and business automation systems. Specialized in Python, FastAPI, PHP, React and Docker. I design scalable software architectures and deliver end-to-end solutions from concept to production.
Application Programming Interfaces (APIs)Software as a ServicePostgreSQLMessaging Application Programming InterfacePHP DevelopmentSoftware ArchitectureSolution ArchitectureSQLAlchemyWorkflowsBackendFastAPIBackend ProgrammingFull Stack DevelopmentFront End Software Development
Backend Development with Python, FastAPI and PHP
Expertise in building backend services and REST APIs using Python, FastAPI, PHP and SQLAlchemy, covering multi-tenant SaaS architectures, CRM/ERP workflows and data modelling with PostgreSQL, MySQL, MariaDB and Redis.
Frontend Development with React and Modern Web Technologies
Proficiency in creating modern web interfaces using React, JavaScript, HTML5, CSS3, Bootstrap and Tailwind, delivering responsive and maintainable user experiences for operational and commercial platforms.
Infrastructure, Docker and Production Deployment
Hands-on experience deploying and maintaining applications in Dockerized Linux environments with Nginx, VPS hosting, Git and CI/CD pipelines, ensuring stability, data integrity and controlled production releases.
SaaS Architecture and Multi-Tenant Systems
Design and implementation of multi-tenant SaaS platforms with tenant isolation using PostgreSQL schemas, automated customer provisioning and scalable deployment structures.
CRM and ERP Platform Development
Development of CRM and ERP platforms including product synchronization, authentication workflows, user roles, financial workflows and operational dashboards.
Database Modelling and Financial Workflows
Modelling of relational databases including multi-tenant structures, financial categorization, normalized accounts and operational data structures for complex business workflows.
API Integration and Third-Party Platform Connectivity
Integration of third-party platforms and business APIs, including ERP product synchronization, authentication token renewal and semi-automatic synchronization with external systems.
Business Process Analysis and Technical Requirements
Translation of practical operational needs into maintainable systems by working directly with stakeholders to define requirements, workflows and technical priorities.
Performance Troubleshooting and Data Migration
Handling of performance optimization, data migration, production releases and operational safeguards including encoding correctness, service restarts and deployment validation.
Expertise in building backend services and REST APIs using Python, FastAPI, PHP and SQLAlchemy, covering multi-tenant SaaS architectures, CRM/ERP workflows and data modelling with PostgreSQL, MySQL, MariaDB and Redis.
Frontend Development with React and Modern Web Technologies
Proficiency in creating modern web interfaces using React, JavaScript, HTML5, CSS3, Bootstrap and Tailwind, delivering responsive and maintainable user experiences for operational and commercial platforms.
Infrastructure, Docker and Production Deployment
Hands-on experience deploying and maintaining applications in Dockerized Linux environments with Nginx, VPS hosting, Git and CI/CD pipelines, ensuring stability, data integrity and controlled production releases.
SaaS Architecture and Multi-Tenant Systems
Design and implementation of multi-tenant SaaS platforms with tenant isolation using PostgreSQL schemas, automated customer provisioning and scalable deployment structures.
CRM and ERP Platform Development
Development of CRM and ERP platforms including product synchronization, authentication workflows, user roles, financial workflows and operational dashboards.
Database Modelling and Financial Workflows
Modelling of relational databases including multi-tenant structures, financial categorization, normalized accounts and operational data structures for complex business workflows.
API Integration and Third-Party Platform Connectivity
Integration of third-party platforms and business APIs, including ERP product synchronization, authentication token renewal and semi-automatic synchronization with external systems.
Business Process Analysis and Technical Requirements
Translation of practical operational needs into maintainable systems by working directly with stakeholders to define requirements, workflows and technical priorities.
Performance Troubleshooting and Data Migration
Handling of performance optimization, data migration, production releases and operational safeguards including encoding correctness, service restarts and deployment validation.
Experience
Professional experience10+ years
Freelancer since2015
Languages
EnglishBasic knowledgeItalianFluentPortugueseNative speaker
Project history
Designed and developed custom SaaS, CRM, ERP and operational management platforms. Built backend services and REST APIs using Python, FastAPI and PHP. Created modern web interfaces using React, JavaScript, Bootstrap and Tailwind. Modelled PostgreSQL and MySQL databases including multi-tenant structures and financial workflows. Deployed and maintained applications in Dockerized Linux environments with Nginx and VPS hosting. Integrated third-party platforms and business APIs including ERP product synchronization. Handled troubleshooting, performance optimization, data migration and production releases. Worked directly with stakeholders to define requirements, workflows and technical priorities.
Designed the evolution of a business platform connecting contracts, finance and operational login records. Preserved critical existing Oi TV operational groups while expanding functionality. Normalized receiving accounts and simplified financial categorization. Removed obsolete Bling integration paths while preserving historical imported data. Defined operational data structures for streaming accounts. Adapted the architecture to operate as a controlled mirror of external systems without APIs. Stack: PHP, Database Design, Financial Workflows, Operational Dashboards, Linux.
Developed a web catalogue with ERP product synchronization, authentication token renewal, product search, detailed views, images and responsive presentation. Stack: Flask, Bootstrap, REST API, Product Search, Image & Detail Views.