Hire the best SQL Developers in Guarulhos, BR

Check out SQL Developers in Guarulhos, BR with the skills you need for your next job.
Clients rate SQL developers
Rating is 4.8 out of 5.
4.8/5
based on 158 client reviews
  • $35 hourly
    Senior fullstack engineer with team leadership and software architecture experience in big companies, always looking for new technologies and challenging projects that add value and change people's lives. Fullstack Engineer with more than 10 years of experience in various domains (fintech, ecommerce, marketing, finance, government, health, industry) with web platform • +5 years of experience with React • +8 years of experience with Javascript (Node.JS) • +10 years of experience with C# (.NET) • +10 years of experience with SQL • Experience with cloud AWS and Azure
    Featured Skill SQL
    Microsoft Azure
    .NET Framework
    Git
    Amazon Web Services
    ASP.NET
    C#
    JavaScript
    React
    Node.js
  • $34 hourly
    I'm a software engineer with a diverse background. I've been in the field for 5 years and work with SQL and NoSQL databases, as well as backend logic in Python, Java, and Node.js
    Featured Skill SQL
    Socket.io
    Elasticsearch
    MongoDB
    HTML
    CSS
    npm
    TypeScript
    JavaScript
    Python
    Java
  • $40 hourly
    I am a Data Scientist and AI Engineer with 10+ years developing data-driven solutions for academic research, startups, Fortune 500 companies, and freelance consultancy. I specialized in designing intelligent, production-ready solutions using Python, machine learning, and generative AI. Whether you need custom ML pipelines, LLM-powered applications, or expert guidance on your data challenge, I deliver results grounded in real business impact. I can help you with: ✅ Data Science & Analytics - Clean and transform messy data into actionable insights - Statistical analysis, reporting, and robust Python pipelines for reproducible, maintainable workflows. ✅ Machine Learning & Deep Learning - Classical ML (scikit-learn): Predictive models, anomaly detection, clustering, and more - Deep Learning (PyTorch) for computer vision (object detection), document intelligence, and more. - MLOps: End-to-end deployment with Docker, CI/CD, version control, and monitoring ✅ Generative AI & Chatbots - LLM Solutions: AI assistants, chatbots, and advanced RAG systems. - Prompt optimization and fine‑tuning for domain‑specific tasks. ✅ AI Consulting & Mentorship - For Companies: AI readiness assessment, project scoping, and implementation strategy - For Individuals: Career guidance, portfolio development, and strategic roadmap planning I also speak at conferences and contribute to Python open-source projects. Let’s connect and turn your data challenges into actionable outcomes.
    Featured Skill SQL
    PyTorch
    AI Chatbot
    AI Agent Development
    Prompt Engineering
    Large Language Model
    Generative AI
    Deep Learning
    Machine Learning
    AI Consulting
    Data Visualization
    Data Analytics
    Data Science
    Linux
    Python
  • $20 hourly
    I'm Edson Marques, a Product Manager from Brazil with over 10 years of experience in building and scaling digital products in fintech, mobility, and B2B industries. I specialize in improving approval rates in card authorizations, designing user-centric solutions, and leading high-performing cross-functional squads using Agile methodologies (Scrum, Kanban). 🔹 Key Skills & Experience: - Card Authorization Optimization: Led initiatives that improved transaction approval rates for one of Brazil’s largest card brands (ELO). - Product Discovery & Delivery: Facilitated MVP design and user research across marketplaces, digital wallets, and vehicle subscription platforms. - Fintech Product Strategy: Deep understanding of payments, onboarding flows, KPIs, and compliance in digital banking. - Agile Leadership: PSPO I certified, strong experience working with stakeholders, UX, data science, and engineering teams. 🧠 Tools & Methods: Jira • Azure DevOps • SQL • Power BI • Tableau • Confluence • OKRs • KPIs • Design Thinking 💬 Languages: Portuguese (native), English (intermediate – improving daily through global projects) 🌍 I'm open to both paid and pro bono work to expand my global experience and contribute to meaningful early-stage or nonprofit initiatives. Let’s build high-impact solutions together. I'm ready to collaborate!
    Featured Skill SQL
    User Stories
    Portuguese
    Product Management
    Payment Processing
    FinTech
    Jira
    Product Discovery
    Product Roadmap
    Agile Project Management
    Product Backlog
    IT Management
    Management Development
    Scrum
    Project Management
  • $3 hourly
    With a background in marketing and UX, I bring a unique blend of data analytics, problem-solving, and creativity to help businesses make smarter decisions. My expertise lies in transforming raw data into actionable insights, especially in business and marketing analytics. What I Can Do for You: - Data Cleaning & Processing – Organizing, structuring, and ensuring data accuracy using Excel, SQL, and Python. - Data Analysis & Reporting – Extracting meaningful patterns and trends to support strategic decision-making. - Automation & Efficiency – Streamlining repetitive tasks with Python scripts and Excel automation. - Business & Marketing Insights – Analyzing customer behavior, campaign performance, and market trends. Why Work With Me? - Eager to Learn & Adapt – I stay up to date with analytics trends and continuously expand my skill set. - Problem-Solver – I love tackling complex data challenges with logical and creative approaches. - Detail-Oriented & Insight-Driven – My marketing and UX background helps me interpret data beyond numbers. I’m excited to collaborate and help you unlock the full potential of your data. Let’s connect and discuss how I can assist with your next project!
    Featured Skill SQL
    Matplotlib
    Seaborn
    pandas
    Statistical Analysis
    Statistics
    Web Development
    Spreadsheet Software
    Problem Solving
    Python
    Microsoft Excel
    Data Visualization
    Data Cleaning
    Data Analysis
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