Available to hire
Hi, I’m Dario Melappioni, a Senior Full Stack Developer with 10+ years of experience delivering AI-driven, cloud-native education and analytics platforms. I specialize in platform migrations, backend optimization, and AI system integration (LLMs, chatbots, self-assessment tools).
I manage end-to-end technical delivery—from infrastructure setup and code refactoring to cloud deployment and performance tuning—and I thrive in remote, deadline-driven environments, combining technical rigor with product-focused agility to deliver fast, reliable results.
Skills
Experience Level
Expert
Expert
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Intermediate
Work Experience
Senior Software Engineer at Unidev
July 1, 2025 - October 7, 2025Led migration of an AI-powered learning platform to AWS Cloud with zero downtime and data integrity; refactored backend services (Python + Node.js) and optimized AI modules for faster self-assessment feedback loops; integrated OpenAI-powered chatbots and self-marking tools; collaborated with stakeholders to plan, test, and validate full migration across APIs, data pipelines, and user interfaces; produced comprehensive technical documentation and scalability recommendations.
Senior Frontend Engineer at Invision AI
March 1, 2023 - October 7, 2025Built and maintained AI-driven content and feedback systems for educational and analytics applications; integrated chatbot and NLP pipelines with LangChain and OpenAI GPT APIs; managed cloud migrations and cross-environment deployments using Docker and GCP Cloud Run; conducted A/B testing and data-driven optimizations to enhance model accuracy and platform performance.
Frontend Engineer at Dedalus
July 1, 2020 - October 7, 2025Developed and maintained education and healthcare SaaS solutions using Django and React; led infrastructure transition to AWS, introducing automated CI/CD pipelines and containerized environments; designed secure REST APIs to support digital assessments and adaptive scoring features.
Frontend Developer at Justbit
July 1, 2017 - October 7, 2025Delivered full-stack web platforms integrating React, Node.js, and Python AI components; built and migrated multi-tenant SaaS systems for analytics, training, and e-learning; designed modular architecture with reusable front-end components and scalable REST APIs; optimized backend processes for high concurrency and reliability during user spikes.
Senior Software Engineer at Unidev
July 1, 2025 - October 7, 2025Led the migration of an AI-powered learning platform to AWS Cloud with zero downtime and data integrity. Refactored backend services (Python + Node.js) and optimized AI modules for faster self-assessment feedback loops. Integrated OpenAI-powered chatbots and self-marking tools using fine-tuned models for adaptive learning analytics. Collaborated with stakeholders to plan, test, and validate full migration across APIs, data pipelines, and user interfaces. Produced comprehensive technical documentation and scalability recommendations.
Senior Frontend Engineer at Invision AI
March 1, 2023 - October 7, 2025Built and maintained AI-driven content and feedback systems for educational and analytics applications. Integrated chatbot and NLP pipelines with LangChain and OpenAI GPT APIs, enabling conversational learning experiences. Managed cloud migrations and cross-environment deployments using Docker and GCP Cloud Run. Conducted A/B testing and data-driven optimizations to enhance model accuracy and platform performance.
Frontend Engineer at Dedalus
July 1, 2020 - October 7, 2025Developed and maintained education and healthcare SaaS solutions using Django and React. Led infrastructure transition to AWS, introducing automated CI/CD pipelines and containerized environments. Designed secure REST APIs to support digital assessments and adaptive scoring features.
Frontend Developer at Justbit
July 1, 2017 - October 7, 2025Delivered full-stack web platforms integrating React, Node.js, and Python AI components. Built and migrated multi-tenant SaaS systems for analytics, training, and e-learning. Designed modular architecture with reusable front-end components and scalable REST APIs. Optimized backend processes for high concurrency and reliability during user spikes.
Senior Software Engineer at Unidev
July 31, 2025 - October 7, 2025Led the migration of an AI-powered learning platform from a legacy environment to AWS Cloud, ensuring zero downtime and data integrity. Refactored backend services (Python + Node.js) and optimized AI modules for faster self-assessment feedback loops. Integrated OpenAI-powered chatbots and self-marking tools using fine-tuned models for adaptive learning analytics. Collaborated with stakeholders to plan, test, and validate full migration across APIs, data pipelines, and user interfaces. Produced comprehensive technical documentation and future scalability recommendations.
Senior Frontend Engineer at Invision AI
March 31, 2023 - October 7, 2025Built and maintained AI-driven content and feedback systems for educational and analytics applications. Integrated chatbot and NLP pipelines with LangChain and OpenAI GPT APIs, enabling conversational learning experiences. Managed cloud migrations and cross-environment deployments using Docker and GCP Cloud Run. Conducted A/B testing and data-driven optimizations to enhance model accuracy and platform performance.
Frontend Engineer at Dedalus
July 31, 2020 - October 7, 2025Developed and maintained education and healthcare SaaS solutions using Django and React. Led infrastructure transition to AWS, introducing automated CI/CD pipelines and containerized environments. Designed secure REST APIs to support digital assessments and adaptive scoring features.
Frontend Developer at Justbit
July 31, 2017 - October 7, 2025Delivered full-stack web platforms integrating React, Node.js, and Python AI components. Built and migrated multi-tenant SaaS systems for analytics, training, and e-learning. Designed modular architecture with reusable front-end components and scalable REST APIs. Optimized backend processes for high concurrency and reliability during user spikes.
Education
Bachelor of Computer Science at Sapienza University of Rome
January 1, 2006 - January 1, 2010Bachelor of Computer Science at University of Roma La Sapienza
January 1, 2006 - January 1, 2010Bachelor of Computer Science at University of Roma La Sapienza
January 1, 2006 - January 1, 2010Qualifications
Industry Experience
Education, Healthcare, Software & Internet, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
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Expert
Expert
Expert
Expert
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Intermediate
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