## 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.