Daniel – Python, React, Typescript, experts in Lemon.io

Daniel

From Australia (UTC+7)flag

Full-stack Web Developer|Senior
Front-end Web Developer|Senior
Back-end Web Developer|Senior

Daniel – Python, React, Typescript

Daniel is a Senior Full-Stack Engineer with 16 years of experience, specializing in GIS, React, Next.js, TypeScript, Python, and database design. He has extensive experience building geospatial, telematics, and data-intensive solutions, with strong skills in system architecture, spatial data processing, and data modeling. Daniel combines hands-on engineering with technical leadership and consulting experience, and demonstrates clear communication, a practical mindset, and the ability to work independently.

16 years of commercial experience in
AI
IoT
GIS software
Main technologies
Python
8 years
React
8 years
Typescript
5 years
AWS
0.5 year
Additional skills
JavaScript
SQL
C#
Java
MongoDB
Microsoft SQL Server
PHP
Node.js
Postman
Docker
Direct hire
Possible
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Experience Highlights

Founder and Tech Lead
Jan 2022 - Ongoing4 years 6 months
Project Overview

Technology consultancy specializing in cloud engineering, software development, GIS, AI, and cybersecurity solutions.

Responsibilities:
  • Developed production-grade geospatial systems combining GIS, cloud engineering, and applied AI;
  • Integrated machine learning and AI capabilities into complex geospatial data workflows;
  • Automated geospatial analysis and transformed raw location data into actionable insights using cloud-native infrastructure.
Project Tech stack:
Python
Node.js
Next.js
Typescript
AWS
PostGIS
Senior Software Engineer
Apr 2021 - Apr 20265 years
Project Overview

IoT and connected-vehicle technology company providing cloud-based telematics, fleet management, and vehicle monitoring solutions for automotive and enterprise customers.

Responsibilities:
  • Designed and implemented geofencing functionality for a SaaS platform serving road freight clients;
  • Developed and integrated features across the full technology stack, aligned with business requirements and product timelines;
  • Maintained and optimized the telematics platform across database, backend, API, and frontend layers.
Project Tech stack:
Docker
Microsoft SQL Server
MongoDB
Node.js
PHP
Postman
React
Typescript
Senior GIS Developer
Feb 2017 - Apr 20214 years 2 months
Project Overview

Australian telecommunications provider delivering enterprise-grade fibre, network, cloud, and connectivity solutions.

Responsibilities:
  • Led the full-stack GIS team to meet business requirements for a GIS infrastructure used by 200+ daily users;
  • Architected, developed, and maintained the GIS infrastructure using open-source technologies;
  • Designed and implemented a topological database model and migrated over 5 million records from two legacy systems to a unified platform using Python scripts;
  • Developed and optimised SQL and PL/pgSQL functions, stored procedures, and views to ensure data consistency across CRUD operations;
  • Built and maintained the GIS web client using Node.js, React, Google Maps API, Leaflet, Bootstrap, and Material UI;
  • Managed and improved the mobile app developed in React for field workers;
  • Enhanced the GIS REST API written in Go;
  • Developed a real-time severe weather warning app using the Bureau of Meteorology API and automated asset impact reports;
  • Built a health check application using Apache JMeter and Python to monitor and alert on GIS infrastructure performance.
Project Tech stack:
Apache JMeter
Bootstrap
Golang
Google Maps API
Leaflet
Material UI
MongoDB
Node.js
PostgreSQL
PostGIS
Python
React
SQL
Middle GIS Engineer
Aug 2016 - Nov 20162 months
Project Overview

Geospatial technology consultancy specializing in GIS solutions, spatial data processing, Earth observation, and AI/ML-powered geospatial applications.

Responsibilities:
  • Developed geospatial software solutions for the agricultural industry;
  • Built spatial data solutions with PostGIS, covering vector and raster data, topology, routing, and geocoding;
  • Processed and analyzed Sentinel satellite data for remote sensing applications;
  • Provided technical coaching and knowledge sharing within the team;
  • Contributed to technical content creation, blogging, and public relations activities.
Project Tech stack:
PostGIS
Python

Education

2013
Management science
Master
2010
Geomatics & geometrology
Master

Languages

English
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