Leonardo

Über mich

Senior Generative AI and Full-Stack Engineer with 10 years of experience building AI-powered SaaS solutions. I focus on creating complete systems, from training models to developing the applications that use them. My work includes designing scalable backends, APIs, and user interfaces to integrate AI into real-world products. I prioritize systems that are efficient, maintainable, and deliver consistent results.

Skills

Expert:in

AI Application

Backend Development

Frontend Development

Full Stack Development

FastAPI

Chatbot

AngularJS

C#

ChatGPT

C++

E-Commerce

Machine Learning

React Native

MySQL

ASP.NET

Flask

OAuth

React

Django

Docker

DevOps

Go

CI/CD

Software Engineering

Kubernetes

PostgreSQL

VueJS

jQuery

GraphQL

NodeJS

Generative AI

Fortgeschritten

n8n

Excel

Perl

nginx

Github

JIRA

Kotlin

Ruby

Flutter

gRPC

Junior:in

Figma

Portfolio

Mobile Website

Website

Gesamtes Portfolio ansehen

Berufserfahrungen

Senior AI Engineer · Vollzeit

QuantEdge Solutions · Internet und Informationstechnologie

2023 — 2025
Developed a multilingual virtual assistantfor enterprise clients by fine-tuning LLMs like Llama 2 and GPT-4, integrating LangChain for context-aware responses and Weaviate for efficient vector search, enabling seamless cross-language interactions.

Built a content generation platformusing Stable Diffusion and custom-trained LoRA adapters, optimizing inference with ONNX and TensorRT to serve high-volume requests for marketing teams.

Designed an AI-powered document summarization systemfor legal firms using Hugging Face transformers and spaCy, automating the extraction of key insights while maintaining compliance with EU data regulations.

Implemented a multi-modal search enginecombining text embeddings from BERT and image features from CLIP, deployed on AWS with autoscaling to handle fluctuating user demand.

Established MLOps workflowsusing MLflow for experiment tracking and Kubeflow for pipeline orchestration, ensuring reproducible model training and deployment across teams.

Led the migration of legacy monolithic services to cloud-native microservices on GCP, reducing infrastructure costs and improving scalability for AI workloads.
Senior Full-Stack Engineer · Vollzeit

TechFusion Iberia · Internet und Informationstechnologie

2019 — 2022
Created a predictive maintenance systemfor manufacturing clients using LSTM networks and sensor data, reducing equipment downtime by identifying failures before they occurred.

Developed a computer vision pipelinefor quality inspection using YOLOv7 and synthetic data augmentation, achieving high accuracy in detecting defects for industrial applications.

Modernized a legacy SaaS platformby migrating from .NET to a microservices architecture with FastAPI and React, improving performance and enabling faster feature deployment.

Designed a real-time analytics dashboardwith D3.js and WebSockets, providing logistics companies with live insights into shipment tracking and operational metrics.

Implemented a secure API gatewayusing OAuth2 and JWT, enabling seamless integration with third-party logistics providers while maintaining strict access controls.
Backend Engineer · Vollzeit

NexusAI Technologies · Internet und Informationstechnologie

2014 — 2018
Built high-frequency trading systemsin Go and C++, leveraging lock-free data structures to achieve ultra-low latency for algorithmic trading strategies.

Developed resilient microservicesfor financial data processing using Spring Boot and Kafka, ensuring fault tolerance during peak market volatility.

Optimized PostgreSQL performancethrough query tuning and indexing strategies, significantly speeding up complex financial reporting queries.

Prototyped a market sentiment analysis toolusing NLP techniques on news and social media data, providing traders with real-time insights.

Alle Berufserfahrungen ansehen

Building the Future, One Line at a Time

Über mich

Skills

Portfolio

Mobile Website

Website

Berufserfahrungen

Google Cloud Professional Machine Learning Engineer

AWS Certified Solutions Architect – Associate

Leonardo ist Freelancer:in bei Junico