I am a Microsoft Certified Senior Database Administrator with 13+ years of hands-on experience designing, deploying, and optimizing Microsoft SQL Server (2008–2022, all editions) in mission-critical enterprise environments. I specialize in: - End-to-end SQL Server architecture & environment setup - High availability & disaster recovery solutions (Always On Availability Groups, Failover Clustering, Replication) - Advanced database performance tuning for high-volume and high-concurrency systems - Large-scale data platforms handling millions to billions of rows - Production troubleshooting, capacity planning, and optimization I have delivered reliable, high-performance database solutions across banking, financial services, and enterprise IT, working in senior and advisory roles where uptime, data integrity, and performance are non-negotiable. My approach is practical, performance-driven, and business-focused — ensuring databases are not only stable, but optimized for growth, scalability, and long-term success.

Senior Full Stack Engineer with 6+ years of production experience building SaaS platforms, web apps, and APIs across the .NET / Angular / React / Azure stack. Top Rated on Upwork with a 100% Job Success Score across 28+ contracts. I've also been expanding into Python (FastAPI / Flask) and applied AI/ML — adding LLM features, RAG, and data pipelines to existing products. It's important to me to build long-term relationships with clients, so I'm primarily looking for long-term projects. My skills include: ✔️ Back-end: .NET 8 / C#, ASP.NET Core MVC/MVVM, Web API, SignalR, Razor, WPF, LINQ ✔️ Front-end: Angular, React, TypeScript, JavaScript, jQuery, HTML5, CSS, Bootstrap, Tailwind ✔️ Python: FastAPI, Flask, Pandas, NumPy, scikit-learn ✔️ AI / ML: OpenAI API, LangChain, LLM integration, RAG basics, prompt engineering ✔️ Cloud: Microsoft Azure — App Service, Azure Functions, Azure SQL, Cosmos DB, Azure DevOps ✔️ ORM: Entity Framework Core, Dapper ✔️ Database: SQL Server, MongoDB, PostgreSQL, MySQL, Redis ✔️ Architecture: REST API design, microservices, real-time (SignalR / WebSockets), auth (OAuth / JWT), payment integration (Stripe) ✔️ Tooling: Visual Studio, VS Code, Git, Azure DevOps, Docker ✔️ Process: Agile, Scrum, Kanban Expertise: ✔️ Web Development — REST Web API, ASP.NET Core, Angular, React ✔️ Cloud & Backend — Azure App Service, Web Servicer, Functions, SQL, AKS, Entra ID ✔️ Python + AI Add-ons — Flask / FastAPI services, OpenAI / LangChain integration, light data pipelines Send a message with your goal in two sentences, or book a consultation and we'll scope it together.

Full Stack Developer ✅ TOP RATED PLUS ✅ 6+ years of work experience. ✅ Believes in quality work. If you are looking for quality results and fast delivery or interested in a long term relationship, you are on the right page of Upwork. Here are my skills: = PHP (CodeIgniter, Laravel) = Python (Django, Flask) = ColdFusion (ColdBox, ColdSpring) = JavaScript (JQuery, Angular, React) = SQL (MySQL, MS SQL Server) = CSS (Bootstrap, Materialize) = Version Control (Git, SVN) = Management Tools (Jira, Trello, Zoho) I also expert in APIs, Payment Gateways Integration. I always keep my skills updated with the new fast coming technologies and use these updated skills for my new Projects. I have a strong grasp of security principles and how they should apply in order to get a secured product. Being a full-stack developer I can deliver a complete product from start to finish individually, or alongside a team. Always! my main focus would be my Client's satisfaction. I enjoy working with businesses and individuals to provide them with a product they could be proud of!

As a Director of Technology, Leonardo combines deep technical expertise with strategic leadership. He excels at building resilient backends, driving architecture decisions, and aligning technology with business goals. Leonardo is a Senior Java Developer and AWS Certified Solutions Architect with 15+ years of experience designing cloud-native systems and leading cross-functional teams. He has delivered scalable, mission-critical platforms for high-growth startups and enterprises across Latin America. 🔹 Java, Spring Boot, REST APIs, Hibernate, Maven, Gradle 🔹 AWS (EC2, S3, Lambda, Route 53, CloudFront, IAM, CloudWatch, ECS, ECR, Load Balancers) 🔹 Microservices, RabbitMQ, asynchronous/event-driven architecture 🔹 MySQL, PostgreSQL, SQL optimization, Redis, Liquibase 🔹 CI/CD pipelines, Docker, Git, Bash scripting, Linux administration 🔹 Reporting & analytics: Tableau, Power BI, MyDBR, complex SQL views 🔹 Team leadership, agile delivery, digital transformation, mentoring tech teams

Azure Certified Architect, AI Innovator, and Cloud Infrastructure Expert with over two decades of experience designing, building, and scaling B2B / B2C / SaaS / IoT / Open-Source / Enterprise and Startup solutions. I bridge the gap between business vision and technical execution, leading teams and architectures from concept to production with proven results. Whether you need to migrate to Azure, integrate AI, or modernize your infrastructure, I bring hands-on expertise across architecture, DevOps, and AI engineering — with a strategic CTO mindset. 💬 Invite me to your next project for a FREE 15-minute consultation.

Is your data stack underperforming as you scale? As a Senior Data Engineer and Top-Rated Plus BigQuery Architect (100% Job Success), I turn fragile, tangled ETL/ELT pipelines into streamlined, cost-efficient "single sources of truth." Having built scalable cloud data platforms for YC-backed startups and mid-market enterprises, I specialize in end-to-end Data Warehousing, custom Data Modeling, and automated analytics that drive real-time business insights. 𝗪𝗵𝗼 𝗜 𝗛𝗲𝗹𝗽 I partner with venture-backed startups, SaaS, e-commerce, and enterprise teams looking to replace fragile, manual processes with robust Data Engineering on Google Cloud Platform (GCP) and AWS. If you are struggling with messy GA4 / Google Analytics data, broken REST API integrations, siloed CRMs, or skyrocketing BigQuery compute costs, I fix the foundation so you don't lose time or money. 𝗣𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝗜 𝗦𝗼𝗹𝘃𝗲 • Unstable ETL/ELT Pipelines & Data Migration: I migrate legacy databases and transform fragile data flows into production-grade pipelines using dbt, SQL, Python, and BigQuery, optimizing partitioning and clustering to eliminate pipeline failures and slash compute costs. • Data Modeling & Dashboards: I design scalable star schemas and modeled analytical layers, connecting BigQuery directly to Looker Studio, Power BI, or Metabase for automated executive reporting and real-time KPI tracking. • Automated Ingestion & API Integrations: I build custom Python extractors and configure Airbyte/Fivetran pipelines to seamlessly ingest raw data from third-party REST APIs, GA4 exports, ad platforms, and databases into your warehouse. • Internal Tools & Retool Operations: I build custom Retool and React-based internal apps linked directly to your live data, giving non-technical teams custom dashboards and operational workflows without adding extra hires. • Data Infrastructure to AI Automation: I integrate AI agents, LLMs (OpenAI, Claude, Anthropic, Gemini), and vector search (pgvector, Pinecone) into your BigQuery pipeline to automate document parsing, sentiment analysis, and decision workflows. 𝗧𝗲𝗰𝗵 & 𝗧𝗼𝗼𝗹𝘀 • Core Warehouses & Cloud: Google BigQuery, Google Cloud Platform (GCP), Snowflake, PostgreSQL, AWS • Transformation & Modeling: dbt, Advanced SQL, Analytics Engineering, Data Modeling (Star Schema / Dimensional) • Ingestion & Pipeline Orchestration: Python, Airbyte, Fivetran, Apache Airflow, REST API Integrations, GA4 Exports • Dashboards & Visualization: Looker Studio, Power BI, Metabase, Retool (Certified Partner), React, Bubble • AI & Automation: OpenAI, Claude, Anthropic APIs, Gemini, RAG Architectures, Vector Databases 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 (Vergo) Built a construction FinTech data platform with BigQuery, dbt, Airbyte, Domain-Driven Design (DDD), and ML-powered forecasting, reducing BI infrastructure costs by 40% while delivering real-time financial reporting and predictive revenue analytics. (Sully.ai) Automated a usage-based billing and data anomaly detection pipeline with Python, BigQuery, Retool AI, OpenAI, Claude, and Anthropic APIs, reducing manual operations by 80% through intelligent workflow automation. (BLI) Built Salesforce analytics dashboards using Retool, SQL/SOQL, Salesforce REST APIs, and React, delivering real-time pipeline analytics, time-in-stage metrics, and interactive executive reporting for sales performance optimization. 𝗟𝗲𝘁'𝘀 𝗧𝗮𝗹𝗸 If you need to eliminate data debt, optimize your BigQuery stack, and build reliable analytics pipelines, let's connect. I am not just a coder. I am your partner in building scalable, data-driven operations.

𝗜 𝗱𝗲𝘀𝗶𝗴𝗻 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗱𝗮𝘁𝗮 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝘂𝗻𝗶𝗳𝘆 𝗳𝗿𝗮𝗴𝗺𝗲𝗻𝘁𝗲𝗱 𝘀𝗼𝘂𝗿𝗰𝗲𝘀 𝗶𝗻𝘁𝗼 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲, 𝗱𝗲𝗰𝗶𝘀𝗶𝗼𝗻-𝗴𝗿𝗮𝗱𝗲 𝗶𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲. Whether you are battling 12-hour query runtimes, migrating legacy silos, or building an AI-ready data lakehouse, I provide the architectural strategy and engineering rigor required to scale. With 20+ years of experience delivering high-stakes production systems for global brands like Apple, Overstock, and Medline, I move beyond task-based support to own your technical roadmap. As the Managing Director of ADLAB Solutions, I lead a vetted engineering bench capable of scaling delivery across Data Engineering, AI/ML, and UI/UX—ensuring your stack remains a growth driver, not a bottleneck. ──────────────────────────── 📊 THE IMPACT (By the Numbers) • 1B+ Rows modeled cleanly with 99.9% pipeline uptime. • 35% Avg. Reduction in Snowflake/Cloud compute costs through refactoring. • 150+ Dashboards delivered with 70% latency improvement. • 30+ Hours/Week saved per client through metadata-driven automation. ──────────────────────────── 🛠️ ARCHITECTURAL FOCUS AREAS • Warehouse Modernization & Migrations: Specialized in Teradata/SQL Server → Snowflake, BigQuery, or Fabric. I focus on zero-downtime cutovers and "Set-Based" design to maximize cloud-native performance. • Metadata-Driven ELT/ETL Pipelines: Building idempotent, self-healing pipelines (dbt, Airflow, Matillion, ADF). I design systems that handle schema drift automatically to protect downstream AI and BI models. • AI & Agentic Data Foundations: Architecting semantic layers for Snowflake Cortex, RAG-powered knowledge assistants, and predictive "Nowcasting" systems that combine high-frequency signals with broad benchmarks. • Analytics Engineering & BI Governance: Shipping governed Power BI, Tableau, and Sigma environments. I fix the "Broken Trust" in numbers by implementing Row-Level Security (RLS) and centralized metrics definitions. • Real-Time & Managed Services: CDC patterns for sub-minute freshness (Kafka, GoldenGate) and ongoing SLA-based infrastructure monitoring and administration. ──────────────────────────── 🎯 TRUSTED BY Apple • Teradata • Medline • Overstock • Bed Bath & Beyond • Salt Lake Bees • Poppi • Utah Jazz ──────────────────────────── ✅ THE ADLAB ADVANTAGE • Enterprise Governance: Experienced with remote workstations (VDI), M365/Google security protocols, and HIPAA/regulated environments. • Strategic Roadmap: I identify technical debt and map a cost-efficient architecture. • Managed Delivery: My team executes the build with senior-level oversight. 𝗜𝗳 𝘆𝗼𝘂𝗿 𝗱𝗮𝘁𝗮 𝘀𝘁𝗮𝗰𝗸 𝗶𝘀 𝗳𝗮𝗶𝗹𝗶𝗻𝗴 (𝘂𝗻𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗿𝗲𝗽𝗼𝗿𝘁𝘀, 𝘀𝘁𝘂𝗰𝗸 𝗺𝗶𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀, 𝗼𝗿 𝗿𝘂𝗻𝗮𝘄𝗮𝘆 𝗰𝗹𝗼𝘂𝗱 𝗰𝗼𝘀𝘁𝘀), 𝘀𝗲𝗻𝗱 𝗺𝗲 𝘁𝗵𝗲 𝗱𝗲𝘁𝗮𝗶𝗹𝘀. 𝗜’𝗹𝗹 𝗽𝗿𝗼𝘃𝗶𝗱𝗲 𝗮 𝗯𝗿𝗶𝗲𝗳 𝗿𝗲𝗳𝗲𝗿𝗲𝗻𝗰𝗲 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗮𝗻𝗱 𝘁𝗲𝗹𝗹 𝘆𝗼𝘂 𝗲𝘅𝗮𝗰𝘁𝗹𝘆 𝗵𝗼𝘄 𝘄𝗲’𝗹𝗹 𝗳𝗶𝘅 𝗶𝘁.

With 5,000+ billed hours on Upwork, I am an experienced data engineer, solutions architect, and automation expert. I design and optimize data systems to unlock valuable insights and improve operational efficiency. Let's work together to enhance your data strategies and streamline your processes for success. Leveraging my expertise in Python, SQL, data pipelines, AWS Lambda, CloudWatch, S3, and Databricks, I have spearheaded projects that convert raw data into actionable insights. My skills encompass software engineering, data integration, and solutions architecture on Azure and AWS platforms. My contract work with Merrill Lynch, ContractRx, and the City of Baltimore has effectively addressed interface and efficiency challenges, and I've also partnered with innovative companies in the healthcare sector. Core Skills: Python, Jupyter, SQL, PySpark, AWS S3, EMR Serverless, Glue, Athena, Redshift, SNS, EKS, EC2, VPC, CloudFormation, APIs (RESTful, GraphQL) for Seamless Data Integration, Apache AirFlow, Kafka, NiFi, Docker, Kubernetes, Tableau, QuickSight, Pentaho Technical Proficiency: Python, SQL, PySpark AWS services (S3, EMR, Glue, etc.), Docker, Kubernetes Tableau, Quicksight, Pentaho Databases: Oracle, SQL Server, MongoDB, etc. I specialize in executive dashboards, ETL automation, cloud migration, and enterprise app development. For complex projects, my team offers solutions at a blended rate, with discounts for repeat clients or large projects (500+ hours). Contact me for inquiries—I typically respond within a day. Thank you!

📊📈 Unlock the full potential of your data with clean pipelines, smart automation, and dynamic reporting systems. I build end-to-end analytics solutions - from setting up databases and API integrations to transforming, analyzing, and visualizing your data using the most effective tools for the job. Whether it’s organizing scattered sources or automating complex reports, I make sure your data is accessible, reliable, and ready to drive confident decisions. 🔧 Tools & Technologies 🔴 Data Visualization & Analytics: Power BI, Tableau, Looker & LookML, Looker Studio 🔴 ETL & Automation: dbt, Power Query, Supermetrics, Airbyte, AWS Lambda, AI-assisted workflows 🔴 Cloud, Databases & Warehousing: PostgreSQL, Snowflake, AWS RDS, AWS Redshift, Supabase 🔴 Platforms: Shopify (Advanced Reporting), Google Analytics 🧠 What I Deliver 🟠 End-to-End Reporting Systems 🟠 Interactive Dashboards & KPI Reporting 🟠 E-Commerce & Marketing Analytics 🟠 Automated Data Pipelines 🟠 Custom Metrics & Performance Tracking 🟠 SQL Modeling & API Integrations 🟠 Clean, Scalable, Structured, and Reliable Data Infrastructure I can turn your data into a system that works - clean, scalable, and built for insights. Have something in mind? Reach out and let’s talk about how we can move it forward.

Senior Business Intelligence Developer | MS SQL Server | ETL | Data Modeling | Reporting Over 10 years of experience helping businesses turn raw data into clear, actionable insights. I specialize in MS SQL Server, Azure Data Factory, and building end-to-end ETL solutions, dashboards, and data models tailored to your business needs.