Waving HandHi, I'm..

Md. Tanzim Hasan

GIS Developer

A GIS Professional specializing in Python automation and WebGIS development to transform complex spatial data into scalable, interactive, and actionable real-world solutions.

Python WebGIS Leaflet JavaScript PostGIS GeoServer ArcGIS QGIS

Experience

Dec 2024 – Present
Junior GIS Developer
SPEKTER GmbH
Herzogenaurach, Bavaria, Germany (Remote)
Bridging the gap between spatial data and web development by automating complex hydrological workflows and building interactive visualization tools. Creating high-performance Python scripts for large-scale data processing and developing WebGIS platforms that translate technical flood risk simulations into accessible 2D and 3D maps.
Python Pythonnet Paramiko Anaconda Waitress ArcPy GeoPandas Shapely Rasterio GDAL Mikeio Tkinter Pillow Plotly Psycopg2 Flask Streamlit ArcGIS Pro ArcMAP QGIS Leaflet Mapbox GeoServer JavaScript HTML CSS Bootstrap PostGIS PostgreSQL Jira
Jan 2025 – Apr 2025
GIS Expert
Geo Smart Planning
Khulna, Bangladesh (Contractual - Remote)
Transitioned into a leadership and technical optimization role, focusing on large-scale data integrity and team management. Designed robust ETL (Extract, Transform, Load) tools that automated the conversion of complex CAD and imagery formats into standardized, project-ready spatial databases while ensuring high-precision cartographic accuracy across hundreds of datasets by executing and overseeing the georeferencing, adjustment, and seamless edge-matching.
Python Arcpy Tkinter ArcGIS Pro ModelBuilder VB Excel Macros
Aug 2023 – Nov 2024
Assistant GIS Specialist
BETS Consulting Services Ltd.
Dhaka, Bangladesh
Architected and implemented an automated quality assurance and production system for a national-scale land zoning initiative. Developed custom Python frameworks to validate millions of attributes across thousands of cadastral maps in seconds, ensuring data integrity. Engineered end-to-end automation tools for dataset validation, cartographic styling, and the bulk production of standardized, publication-ready map layouts, transforming a manual process into a high-throughput digital pipeline.
Python Arcpy ArcMap VB Excel Macros
Feb 2022 – Jul 2023
GIS Analyst
Development Design Consultants Ltd.
Dhaka, Bangladesh
Built the foundational geospatial data infrastructure for a national land management project. Executed the high-precision digitization and topological validation of thousands of cadastral maps into structured file geodatabases. Applied systematic geoprocessing and ground-truthing methodologies to create clean, reliable Land Use/Land Cover (LULC) datasets, establishing the accurate spatial baselines critical for all subsequent zoning and analysis.
Python Arcpy ArcMap ModelBuilder VB Excel Macros

Projects

Route Tracker

An interactive map tool that allows users to detect shortest travel routes

Leaflet OSRM API Leaflet Routing Machine
Currency App

A data visualization application for tracking and comparing global currency exchange rates

Streamlit Plotly Pandas API
Thesis Hub

A central platform for managing and visualizing thesis projects with geospatial data

Flask Leaflet JavaScript PostGIS GeoServer Supabase
Expense App

A privacy-focused, offline-first personal finance tracker that stores data locally in the browser

HTML CSS Bootstrap JavaScript LocalStorage
Land Zoning GIS

GIS workflow from physical maps to an interactive WebGIS platform

ArcGIS Spatial Analysis
Rooftop Solar Model

An automated tool that estimates building-level rooftop solar electricity potential

ArcGIS ModelBuilder
CSV To DEM

A utility to convert bulk raw coordinate data (CSV) into Digital Elevation Models (DEM) for terrain analysis

Arcpy GeoPandas GDAL NumPy Rasterio Jupyter
Map Content Extractor

A tool for extracting specific map content and geospatial features from digital sources

Arcpy GeoPandas Fiona Shapely NumPy Rasterio
Code Line Counter

A developer tool for calculating and analyzing the total lines of code across project files

Python Tkinter

Contact

Wanna Find Out How Far We Are !


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