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Sam Chance | Analytics Engineer | MSc Marine Biology | United Kingdom

contact@sjplab.com

4 years experience working in the tech industry as a Data Analyst & Engineer for a geocoding firm in London. Strong educational background with two STEM degrees. Excellent communication skills with competence at articulating complex ideas to non-technical people.

Experience

Growth Analyst / Analytics Engineer | What3Words | May 2020 to Apr 2024 (4 years)

Engineered data pipelines and managed geospatial data for geocoding company that serves 200k daily users

  • Engineered & implemented alerting system from scratch to detect anomalous behaviour in partner API usage, resulting in 30+ actionable alerts per month & facilitating service improvements to paying customers
  • Developed ETL orchestration platform using Airflow & DBT to automate 40+ DAGS & 140+ data models
  • Lead GIS project to map and classify company spatial data using OpenStreetMaps
  • Migrated data analytics from Firebase to Mixpanel, enhancing self-serviceability of analytics & reducing work-load of Data Team by 60% from ad-hoc requests
  • Architected 80% of company KPI dashboard used by external stakeholders & potential investors
  • Designed & implemented QA tool for Product Team to monitor potential issues in new app releases
  • Promoted to Analytics Engineer after starting as a Growth Analyst

Skills

  • Data Warehousing: BigQuery | Postgres
  • Data Analysis & Modelling: Python (pandas, numpy) & R (dplyr) | DBT | SQL | Data Pipeline Design & Development
  • Data Visualization: matplotlib | ggplot | Looker Studio | Apache ECharts
  • Programming Languages: proficient: SQL, Python, Bash, R | learning: JavaScript
  • Workflow Orchestration: Apache Airflow | Prefect
  • Sysadmin: Linux | Networking | SSH | Reverse Proxy (Nginx) | API Management | Containerization (Docker, LXC) | Nixos
  • Geographic Information Systems: ArcGIS | QGIS | PostGIS | GDAL | OpenStreetMaps
  • Code Collaboration & Version Control: Git, Github, Self Hosted Gitea
  • CLI wizard: Scripting (Bash, Python) | GNU Coreutils | Neovim
  • Web Development: Hugo | JavaScript/HTML/CSS | Apache ECharts
  • Personal: Full UK Driving License | Flexible Working | Remote Working | Autonomous Worker

Education

MSc Marine Biology | Bangor University | 1 year

Advanced theoretical & practical training with focus on GIS skills

  • Thesis: "Quantifying the Effectiveness of Indonesia's Protected Areas at Preventing Mangrove Deforestation"
    • A GIS project that involved statistical modelling of satellite data using ArcGIS and R

BSc Marine Biology & Zoology | Bangor University | 3 years

Personal Websites

  • https://semitamaps.com: A free high-quality map printing service using self-hosted vector tiles generated from OpenStreetMaps and visualised with Maplibre.
  • https://baseddata.io: A site where I publish analytical content based on open data. Still a work in progress.
  • https://git.bitlab21.com: Self-hosted Gitea instance where I host my code.