About

About Me

Professionally, I am a Geospatial Engineer, with technical skills and experience in design, development and deployment of spatially-enabled and data/database-backed applications.

I am pro open-source software...

  • Name: Calvin O. Opiti
  • Address: Pretoria, SA
  • Email: opiticalvin@gmail.com
  • Phone: +27 81 062 2237

Resume

Resume

Here's a brief summary of my professional resume...

2021-2022

Senior Specialist - GIS

AECOM

Main responsibilities include:

  • Configuration, deployment, management and administration of AECOM's enterprise GIS Infrasructure and solutions - ArcGIS Enterprise, ArcGIS Online, ArcGIS Pro etc.
  • Providing technical support and resolving GIS-related tickets raised by AECOM staff and clients on both desktop and cloud GIS platforms and applications.
  • Python scripting and development of automated tasks for user onboarding, & offboarding, roles and license management on the ArcGIS cloud platforms.
  • Data analysis and Reporting, with Microsoft Power BI, in relation to GIS adoption and license usage or utilization on both desktop and web ArcGIS platforms.
  • Architecting deployment solutions, in collaboration with AECOM IT, for web-GIS applications to facilitate efficient hosting of client applications.
2021-2022

Utilities Engineer

Explore AI

Main responsibilities include:

  • Utilities Space software & application development, including integration with GIS.
  • Monitoring and management of an application's infrastructure - database, APIs and web servers.
  • Development of unit and integration tests, automation of build and deploy pipelines.
2019-2021

Geospatial Specialist & EO Developer

GeoterraImage

Main responsibilities, particularly in the fields of Agriculture, Environmental & Natural Sciences, Climate Monitoring and Vegetation Monitoring, include:

  • Data Processing and Analysis scripts development for automation of EO processing tasks
  • Web application and APIs development for GTI products e.g GeoFarmer, Water Monitoring etc.
  • Cloud processing of satellite imagery through platforms like Google Earth Engine, Descartes Labs API
2017-2019

Sessional Lecturer & DigiMine Researcher

University of the Witwatersrand, RSA

Tasks and responsibilities included:

  • Lectures in Introductin to GIS, spatial databases - design and SQL queries.
  • Overseeing installation of Geotechnical and Environmental Monitoring sensors at Sterkfontein Caves
2013-2016

Presales & Technical Consultant - GIS

Techno Brain Group, KE

Involved in presales tasks, including technical assistance to Sales team and development of POC GIS applications to facilitate client/business development.

Expertise

Expertise

My skills, experience and expertise as a Geospatial & Earth Observation Specialist & Data Engineer includes these and many more...

Domains

Domains

My professional interests are geered towards and/or relate to the domain areas:

Skills

Tech Skills

My love for technology and practical skills have led my to acquire and be gain competency in these technical or programmng skills. The list keeps growing and growing...

Geographic Information Systems & Science

90%

Remote Sensing & Earth Observation

90%

Statistical & Spatial Analytics

90%

Python: Flask, Django

90%

GO

50%

R

60%

JavaScript, jQuery, HTML & CSS

85%

React JS

70%

Education

Education

Here's a brief summary of my academic qualifications...

2018-2019(Incomplete)

PhD Geography

University of the Witwatersrand, RSA

My research focus and interests are in Spatio-Temporal systems design, data modelling and analysis. This is particularly of interest considering the 3D world or geography with the ever dynamic phenomena within.

Planar analysis isn't quite enough.

2016-2017

MSc - GIS & Remote Sensing

University of the Witwatersrand, RSA

Mastered my spatial and statistical skills through courses in:

  • Advanced Geographic Information Systems and Science
  • Advanced Remote Sensing & Earth Observation
  • Advanced Statistical Design and Analysis
  • Advanced Spatial Models and Statistics
  • Statistical Analysis with R and Python
  • Database Design and SQL Queries
2008-2013

BSc - Geospatial Engineering

The University of Nairobi, KE

The road to becoming a Geospatial Engineer began here, earning my degree through courses in:

  • Engineering & Applied Mathematics
  • Surveying (e.g. topographic, cadastral, hydrographic)
  • Geodesy
  • Cartography
  • Geographic Informaton Systems (GIS)
  • Photogrammetry, Remote Sensing
  • Spatial Statistics
  • Spatial Data Infrastructures (SDI)
  • Land Information Systems(LIS), Land Admininstration & Management

Projects

Portfolio

Here are some of the projects that I have personally developed or participated in, as part of a team of developers.

Check out my solutions website to interact with some of my demo solutions.

Publications

Articles & Publications

I do a lot of coding and code documentation. Lately I've been wanting to also write and publish some technical articles, not necessarily academic, but involving my various randezvous and interactions in the geospatial and coding worlds. I look forward to this list getting longer...

For freelancing and consultation

Please feel free to make contact, or send me an email.

Contact Me

Contact

Contact Me

For inquiries, consultation, collaboration, freelancing or just for a conversation...

Address

Pretoria, South Africa

Contact Number

+27 81 062 2237

Email Address

opiticalvin@gmail.com