Ray Manderfeld

About Me

GIS professional with 3+ years of experience delivering client-focused, customized geospatial solutions within the Esri ecosystem. I’m passionate about delivering user-focused geomatics products that drive informed decision-making. I embrace innovation and new technologies.

At the Canadian Red Cross, I led 7+ full-cycle projects from requirements analysis to deployment, consistently translated complex technical challenges into client-centered solutions that answered key business questions.

As part of my strong consulting and collaborative mindset, I’m an exceptional communicator who can transform complex geospatial concepts into approachable information that builds stakeholder understanding and empowers decision-making across technical and business audiences.

Core Strengths

High-achieving • Initiative • Client relations • User-centered design • Analytical and innovative • Excellent communicator • Collaborative • Gap analysis and solution design

Technical Expertise

ArcGIS Platform & Configurable Applications

  • Extensive experience developing user-focused interactive web map applications with ArcGIS Online and ArcGIS Pro
  • Integrate ArcGIS web applications with feature layers, REST layers, and APIs
  • Experience with configurable apps including ArcGIS Experience Builder, FieldMaps, Survey123 and Dashboards
  • Strong application of cartographic best practices for web and print
  • Optimize low-maintenance, sustainable product solutions

Data Transformation and Management

  • Data pipeline automation with Databricks, Azure Storage, Python, PowerAutomate for a wide variety of file formats (CSV, Parquet, Excel, XML, JSON, SHP)
  • Develop ETL processes via Python that clean data, retain integrity and output user-focused web applications
  • Uses PostgreSQL, Safe’s FME, relational enterprise database development
  • Experience with cloud data warehousing and data extraction (Azure Data Lake, AWS EC2)
  • Understanding of data warehousing methodologies and best practices

Languages and Coding Tools

  • My code approach: human readable, well documented, performant, scalable
  • Knows Python, SQL, JavaScript, HTML, CSS, and JSON
  • Uses Linux, Ubuntu, Anaconda, GitHub, VS Code, Apache Spark, Git, Jupyter
  • Applies Numpy, Pandas, Geopandas, Seaborn, Matplotlib, Scikit-Learn

Planning and Project Management

  • Strong project management skills for the entire project life-cycle (5 years, web and GIS)
  • 5 years stakeholder management experience with technical projects (web and GIS)
  • Initiate findable, documented processes
  • Values user-centred design and project scalability
  • Advocate for, implements findable, documented processes

Teamwork and Communication

  • Collaborative approach to teammates: values others’ expertise and shares my own
  • Present complex insights via data visualizations that deliver actionable information for decision-makers
  • Strong liaison that builds and maintains relationships across teams and organizations
  • Agile. Delivers results within tight deadlines and works effectively under pressure
  • Cultivates an inclusive, positive environment, values teammates