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Geospatial & GIS
Location intelligence, routing, navigation, spatial analytics, GIS data pipelines and mapping applications built for real-world operations.
Independent technology consulting · Australia & remote
Complex challenges.
Elegant solutions.
From geospatial systems and enterprise architecture to full-stack applications and cloud platforms, Zestic Solutions brings hands-on engineering expertise to ideas that need to work in the real world.
Strategy / Architecture / Engineering / Delivery
What I do
Specialist expertise. Practical delivery.
Flexible consulting and freelance support, whether you need technical direction, a specialist to solve a difficult problem, or an experienced engineer to ship the product.
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Software Engineering
Modern web and mobile applications, APIs, backend services and integrations — designed for scale, usability and maintainability.
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Solution Architecture
System design, technical discovery, platform modernisation and architecture reviews that connect business objectives to executable plans.
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Cloud & DevOps
Cloud infrastructure, containers, CI/CD, deployment automation and reliable production systems across modern cloud platforms.
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Data & Spatial Platforms
PostgreSQL/PostGIS, data processing, database optimisation and scalable geospatial workflows that make complex data useful.
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Technical Consulting
Independent advice, proof-of-concepts, hands-on troubleshooting, team enablement and short- or long-term contract delivery.
Why Zestic
Senior-level thinking.
Hands-on execution.
A technology partner who understands the big picture and isn't afraid to get into the code. Engagements are tailored to your team, timelines and technical environment.
- End-to-end support, from discovery and design through implementation
- Strong specialisation in location technology and spatial engineering
- Pragmatic architecture that balances quality, cost and delivery speed
- Flexible freelance, project-based and advisory engagements
Technology experience
Tools chosen for the problem, not the trend.
HERE TechnologiesArcGISPostGISPostgreSQLReactTypeScriptNode.jsPythonJava / Spring BootAndroid / KotlinAWSDockerKubernetesCI/CDMapbox
Selected freelance work
Real projects. Practical outcomes.
Examples of hands-on engineering work across mobile mapping, geospatial video analytics and location-data integration.
01 / MOBILE MAPS
BathyMaps Australia
iOS & Android · Marine mapping
Delivered cross-platform mobile mapping enhancements for an Australian marine mapping application, including offline map downloads, GPX recording and import, waypoint management, and more reliable map-data updates.
- Offline tile and area downloads with 300 km² safeguards
- Track recording, GPX import/export and waypoint overlays
- App Store compliance, subscription checks and Android stability
02 / GIS & VIDEO
Pavement Video Monitoring System
Web platform · Road asset intelligence
Built an interactive web system that combines georeferenced road video, maps and asset information in a unified interface for reviewing pavement conditions and route data.
- Synchronised GoPro video playback and moving GPS map markers
- Road SLK interpolation with Esri Feature Server and GeoJSON layers
- Multi-camera review, reports and automated S3 video ingestion
03 / PROPERTY INTELLIGENCE
Deal Alert — Dashcam Property Scouting
Lemonada Labs · Freelance web GIS project · 2021
Developed Deal Alert, a geospatial property-discovery tool that combines dashcam imagery with map-based property scouting. Built around an Esri ArcGIS interface, it helps reviewers explore street imagery, define search areas and shortlist real estate opportunities.
- Integrated Hivemapper APIs for forward- and side-facing street imagery along mapped routes
- Created polygon-based areas of interest and Target / Skip review workflows with undo support
- Automated imagery metadata processing with AWS S3 and CSV exports for shortlisted properties
04 / SPATIAL DATA COMMERCE
Getmap — Geospatial Data Ordering Platform
Freelance project · GIS data delivery & e-commerce
Developed geospatial ordering and delivery capabilities integrating Koordinates datasets with a map-based shopping workflow. Customers can draw a custom Area of Interest, browse spatial products, review pricing and order downloadable data in their preferred formats.
- Integrated Koordinates Layers and Sets for raster, vector and grid data, including DWG workflows
- Built format- and projection-aware export orchestration with AOI shape clipping, tile merging and ZIP packaging
- Connected dataset metadata, product pricing, shopping cart, checkout and order dashboard workflows
Client feedback
Trusted for clear, reliable delivery.
Upwork client review · Deal Alert / dashcam mapping project · 2021
★★★★★ 5.0/5“Very prompt and professional. Very knowledgeable in the space and provides thoughts and recommendations as well, which is helpful for a non-technical person.”
How we work together
Simple process. Measurable progress.
01 / DISCOVER
Understand the challenge
Clarify the business goal, constraints, existing systems and what success should look like.
02 / DESIGN
Choose the right approach
Define a pragmatic technical solution, scope and delivery plan with clear priorities.
03 / DELIVER
Build and refine
Implement, integrate, test and hand over a maintainable solution with transparent communication.
Let's collaborate
Have a project in mind?
Let's make it happen.
Need a geospatial specialist, solution architect or experienced freelance software engineer? Share what you're working on and let's explore the next step.
Start a Conversation ↗hello@zesticsolutions.com