Pylos Design - Data Science & Systems Engineering Expert

What I Do

I am a data scientist and systems engineer based in San Francisco, specializing in transforming complex data into actionable insights and building scalable, high-performance systems for startups and enterprise clients. My expertise spans the entire data science lifecycle from data collection and preprocessing to model deployment and monitoring, with particular focus on cybersecurity, robotics, and quality assurance automation.

Data Science Services

• Machine Learning Model Development and Deployment
• Statistical Analysis and Hypothesis Testing
• Predictive Analytics and Forecasting
• Data Visualization and Business Intelligence
• Big Data Processing and Analysis
• Natural Language Processing (NLP)
• Computer Vision and Image Analysis
• A/B Testing and Experimental Design

Systems Engineering Services

• Software Architecture Design and Implementation
• Microservices Architecture and API Development
• Cloud Computing Solutions (AWS, Azure, GCP)
• DevOps and CI/CD Pipeline Implementation
• Database Design and Optimization
• System Performance Monitoring and Optimization
• Scalable System Design and Load Balancing
• Containerization and Orchestration (Docker, Kubernetes)

Cybersecurity Services

• Security Architecture and Threat Modeling
• Penetration Testing and Vulnerability Assessment
• Security Code Review and Static Analysis
• Incident Response and Forensics
• Security Automation and SIEM Implementation
• Compliance and Risk Assessment
• Cryptography and Encryption Implementation
• Security Training and Awareness Programs

Robotics and Automation

• Robotic Process Automation (RPA)
• Computer Vision and Image Processing
• Sensor Integration and Data Fusion
• Autonomous Systems Development
• Machine Learning for Robotics
• ROS (Robot Operating System) Development
• Industrial Automation Solutions
• Quality Assurance Automation

Startup Consulting

• Technical Due Diligence for VCs
• MVP Development and Rapid Prototyping
• Technical Architecture for Scale
• Data Strategy and Analytics Implementation
• Security and Compliance for Startups
• Technical Team Building and Mentoring
• Product-Market Fit Analysis
• Technical Roadmap Planning

Quality Assurance and Testing

• Test Automation Framework Development
• API Testing and Performance Testing
• Security Testing and Penetration Testing
• Load Testing and Stress Testing
• Continuous Integration and Testing
• Test Data Management and Generation
• Mobile App Testing and Cross-Platform Testing
• Quality Metrics and Reporting

Technical Expertise

Programming Languages: Python, R, SQL, JavaScript, TypeScript, Java, Scala, C++, Go, Rust

Data Science Tools: Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch, Jupyter, RStudio, OpenCV

Web Technologies: React, Three.js, Node.js, Express.js, REST APIs, GraphQL, WebGL

Cloud Platforms: AWS (S3, EC2, Lambda, SageMaker, Security Hub), Azure, Google Cloud Platform

Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, InfluxDB

DevOps Tools: Docker, Kubernetes, Jenkins, GitLab CI, Terraform, Ansible

Cybersecurity Tools: Metasploit, Burp Suite, OWASP ZAP, Nessus, Wireshark, Splunk

Robotics & Automation: ROS, Gazebo, OpenCV, PCL, MoveIt, RPA tools (UiPath, Automation Anywhere)

Testing Tools: Selenium, Cypress, Jest, Pytest, JMeter, Postman, OWASP ZAP

Industry Experience

Based in San Francisco, I have extensive experience working across various industries including finance, healthcare, e-commerce, cybersecurity, robotics, and technology startups in the Bay Area. My projects have involved building recommendation systems, fraud detection models, real-time analytics dashboards, high-throughput data processing pipelines, security automation systems, and robotic process automation solutions. I've worked with both early-stage startups and enterprise clients, providing technical leadership and hands-on development expertise.

LinkedIn Keywords & Skills

Core Competencies: Data Science, Machine Learning, Systems Engineering, Software Architecture, Cybersecurity, Information Security, Robotics, Automation, Quality Assurance, Test Automation, Startup Consulting, Technical Leadership, Product Development, Cloud Computing, DevOps, API Development, Database Design, Statistical Analysis, Predictive Analytics, Data Visualization, Business Intelligence, Big Data, ETL, Data Pipelines, Microservices, Scalability, Performance Optimization

Industry Focus: Fintech, Healthtech, E-commerce, SaaS, B2B, B2C, Enterprise Software, Consumer Applications, Mobile Apps, Web Applications, IoT, AI/ML Products, Security Products, Automation Solutions, Data Products, Analytics Platforms

Leadership & Management: Technical Team Leadership, Engineering Management, Product Management, Technical Strategy, Architecture Decisions, Code Reviews, Mentoring, Technical Interviews, Hiring, Team Building, Agile Development, Scrum, Kanban, Project Management, Stakeholder Communication

Contact Information

Email: nestor@pylos.work | LinkedIn: linkedin.com/in/nestor-grace

Available for consulting projects, full-time positions, and technical advisory roles in San Francisco and remote.