Siamak is available for hire

Siamak Zolghadri

Verified Expert in Engineering

Solution Architect and Developer

Location

Melbourne, Victoria, Australia

Toptal Member Since

September 3, 2022

Siamak is a geospatial engineer with an academic background in geomatics and has experience in the energy, environmental, science, and technology sectors since 1990. Following decades of GIS projects as a developer, technical lead, and solution designer, he has been a solution architect on many complex projects and programs worldwide since 2016.

Portfolio

Bureau of Meteorology

Web Mapping, Smallworld, Geospatial Data, AWS Cloud Architecture...

National Disability Insurance Agency

Location Services and Maps, Microservices Architecture, Architecture, Azure...

we-do-IT

Smallworld, ArcGIS, Geospatial Data, Web Mapping, AWS Cloud Architecture...

Experience

Geospatial Analysis - 20 years GIS - 20 years Geospatial Data - 20 years Web Mapping - 20 years JavaScript - 10 years AWS Cloud Architecture - 10 years Esri - 5 years Data - 2 years

Availability

Part-time

Preferred Environment

Web Mapping, Smallworld, Amazon Web Services (AWS), GIS, Geospatial Data, QGIS, JavaScript, ArcGIS, Geospatial Analysis

The most amazing...

...project I've worked on is my community project, Smallworld GIS IDE for Visual Studio Code, which thousands of developers worldwide have adopted.

Work Experience

Solution Architect

2019 - PRESENT

Bureau of Meteorology

Architected and designed a cloud solution for the Australian National Water Data Hub, with time-series data ingestion from hundreds of sources, real-time water trading data, data catalog, website presentation layer, web mapping, and spatial queries.
Designed architecture, high-level design (HLD), and detailed designs for many work packages across radar, rainfall, and satellite scientific areas and conducted the predictive analysis.
Created situational awareness, weather visualization, and monitoring platforms.
Developed over 10 HLDs and solution architecture descriptions, conceptual design, business, data, application, technology, integration, security risk, and impact assessments.
Worked on solution architecture, tender document preparation and tender response reviews, business showcases, and go-live document releases.
Built multiple solutions for hybrid and on-premise virtualized, high-performance computing and AWS cloud platforms.

Technologies: Web Mapping, Smallworld, Geospatial Data, AWS Cloud Architecture, ArcGIS Online (AGOl), Data, Geospatial Analytics, Esri, Location Services and Maps, Software Architecture, Architecture, Azure, Amazon Web Services (AWS), Solution Architecture, GIS, OpenStreetMap, JavaScript, GIS Cloud, Satellite Images, Windows, GeoServer, Software Design, Geographic Information Systems, QGIS, Algorithms, Maps, Google Maps API, OpenStreetMap API, GeoJSON, APIs, OpenLayers, Front-end, Data Modeling, Cloud Services, Spatial Analysis, Cloud Architecture, Technical Architecture, Enterprise Architecture, KML, API Integration, Third-party APIs, Technical Leadership, Machine Learning, Vue, Mapbox, Cloud, SFTP, Digital Elevation Models, Geodatabases, Geospatial Analysis, React, Engineering Management, Delivery Management, Mapbox API, TypeScript

Solution Architect

2022 - 2023

National Disability Insurance Agency

Created cloud solution components, location services, and API microservices.
Developed a digital channel solution, mobile app, and web portals.
Designed integration solutions for business services, such as print/mail house, accessibility mail, OCR and document digitizing, and video calling screening.
Architected C-POS payment transactions from care service to a transaction database, payment reconciliation journal, recording in a central ledger, and funds repayments to the bank.
Migrated from a legacy CRM to the Salesforce cloud, leveraging the microservice API architecture.

Technologies: Location Services and Maps, Microservices Architecture, Architecture, Azure, Amazon Web Services (AWS), Solution Architecture, Microservices, GIS, GIS Cloud, Windows, Geospatial Data, Geographic Information Systems, Algorithms, Maps, GeoJSON, APIs, SFTP, Streaming, Events, Accessibility, Web Accessibility, Oracle Managed File Transfer (MFT), Document Digitization, POS, Front-end, Data Modeling, Cloud Services, Spatial Analysis, Cloud Architecture, Technical Architecture, Enterprise Architecture, KML, API Integration, Third-party APIs, Technical Leadership, Machine Learning, Cloud, Financial APIs, Financial Transactions, EPOS, eCommerce, Geospatial Analysis, Engineering Management, Delivery Management

Solution Architect | Technical Lead

2006 - 2019

we-do-IT

Product architecture, design, technical lead, and developer for the adjust.IT product for geodatabase conflation on GE Smallworld GIS and ArcGIS.
Served as the resident scientist for data conflation in we-do-IT and led the solution for several data transformation and conflation projects in North America, Europe, Australia, and New Zealand.
Acted as the solution architect for many projects and had been actively involved in solution design in response to a series of RFPs for various projects.

Technologies: Smallworld, ArcGIS, Geospatial Data, Web Mapping, AWS Cloud Architecture, Microservices Architecture, Geospatial Analytics, Esri, Digital Cadastral DataBase (DCDB), Software Architecture, Architecture, Amazon Web Services (AWS), Solution Architecture, Leadership, GIS, OpenStreetMap, Magik, GIS Cloud, Satellite Images, Windows, GeoServer, Software Design, Geographic Information Systems, QGIS, Algorithms, Maps, Google Maps API, OpenStreetMap API, GeoJSON, APIs, OpenLayers, Front-end, Data Modeling, Cloud Services, Spatial Analysis, Cloud Architecture, Technical Architecture, KML, SVG, Technical Leadership, Cloud, GRASS GIS, Digital Elevation Models, Geodatabases, Digital Asset Management, Geospatial Analysis, Management, Engineering Management, Delivery Management

Senior Product Support

2004 - 2005

GE Digital

Joined GE Network Solutions, part of GE Digital Energy to work as a support engineer in the Smallworld telecom product and support team at the Cambridge office in the UK.
Provided cross-module code and information to Smallworld core and telecom product teams.
Resolved product issues coming through the Smallworld help desks all around the world.

Technologies: Smallworld, Geospatial Data, Geospatial Analytics, Leadership, GIS, Magik, Windows, Geographic Information Systems, Algorithms, Maps, Spatial Analysis, KML, Technical Leadership, Digital Elevation Models, Geodatabases, Digital Asset Management, Geospatial Analysis, Management, Engineering Management

GIS Developer

2000 - 2003

DXC Technology

Worked on the national digital cadastre database for Land Information New Zealand.
Improved the spatial accuracy of the digital cadastre database by the conflation of geodetic networks.
Developed integration between the conflation environment in Smallworld GIS and LINZ cadastre land information system in ESRI geodatabase.

Technologies: Smallworld, GIS, Magik, Windows, Geospatial Data, Geographic Information Systems, Algorithms, Maps, Spatial Analysis, KML, SVG, Web Development, Digital Elevation Models, Geodatabases, Digital Asset Management, Geospatial Analysis, Engineering Management

Experience

adjust.IT Conflation Product for we-do-IT

https://we-do-it.com/products/

Conducted architecture design and development of adjust.IT conflation products for Smallworld GIS and ArcGIS geospatial databases from 2006 to 2019, adjust.IT for product releases from 4.0.0 to 5.1.2.

I designed an end-to-end solution for adjust.IT that allows the coordinate transformation to incrementally improve the spatial accuracy of the GIS database without interrupting the business.

Weather Monitoring Capability at Bureau of Meteorology

The Australian Bureau of Meteorology has been one of the highlights of my career, and my most rewarding project was a situational awareness solution for monitoring weather events. The solution has an ingress of 60 data layers from a wide range of systems, delivered into the enterprise GIS platform augmented with open-source technology and then visualized on 300 web clients. This solution integrated several geo-temporal data layers with ArcGIS servers from other national and international organizations.

Jemena: Gas Networks Solution Design (Australia)

I was the data migration architect for the migration of the Jemena Gas network from a single map sheet CAD base in local coordinates to the Smallworld Gas Office GIS database with an accurate geocentric coordinate system.

LatLonGo Work Order and Mobility Solution (Copyright we-do-IT)

https://we-do-it.com/products/

I served as the solution architect working on the LatLonGo mobility application that provides a web mapping and form-based application for field operations. This application is designed for inspection, repair work, emergency response, field data capture, and navigation.

National Water Data Hub

http://www.bom.gov.au/water/index.shtml

The Water Data Hub is an AWS Cloud data platform for the national water resources and trading to be released to the public in 2026. I have designed a versatile solution that reads the data from 400 data providers nationwide, including water trading exchanges, and presents near real-time information and data to water authorities, industry regulators, water domain experts, registered users, and the public.

National Disability Insurance Scheme

https://www.ndis.gov.au/news/8070-progressing-towards-our-new-information-and-communication-technology-ict-business-system

The National Disability Insurance Scheme (NDIS) helps Australians with disability to live independently. The solution behind NDIS is based on CRM on a cloud platform, which is integrated into various business systems for eCommerce, communications, document management, budgeting, online care, auditing, reporting, and many external service provider systems.

Education

1986 - 1990

Bachelor's Degree in Geodesy and Geomatics Engineering

KNT University of Technology - Tehran, Iran

Skills

Libraries/APIs

Google Maps API, OpenStreetMap API, ArcGIS, OpenLayers, Turf.js, Mapbox API, Vue, React

Tools

Esri, GIS, Web GIS, FME, AutoCAD, GRASS GIS, EPOS

Languages

Magik, KML, JavaScript, Python, TypeScript

Paradigms

Microservices Architecture, Application Architecture, ETL, Management, Microservices

Platforms

GIS Cloud, Windows, Amazon Web Services (AWS), Mapbox, Azure, ArcGIS Online (AGOl)

Storage

GeoServer, Data Lake Design, PostgreSQL

Other

Web Mapping, AWS Cloud Architecture, Location Services and Maps, Data, Geodesy, Photogrammetry, Digital Cadastral DataBase (DCDB), Geospatial Data, Geospatial Analytics, Solution Design, Solution Architecture, Geodatabases, Operations Management Systems (OMS), Digital Terrain Model (DTM), Software Architecture, Architecture, Leadership, Smallworld, OpenStreetMap, Software Design, Geographic Information Systems, Algorithms, GeoJSON, Maps, APIs, Data Modeling, Cloud Services, Spatial Analysis, Cloud Architecture, Technical Architecture, Enterprise Architecture, Technical Leadership, Cloud, Digital Elevation Models, Geospatial Analysis, Digital Asset Management, Engineering Management, Delivery Management, Remote Sensing, Satellite Images, QGIS, SVG, API Integration, Third-party APIs, SAP ERP, SFTP, Streaming, Accessibility, Web Accessibility, Oracle Managed File Transfer (MFT), Document Digitization, POS, Events, Front-end, Machine Learning, Web Development, Financial APIs, Financial Transactions, eCommerce, Back-end, Time Series Data

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