GIS Developer

Pelmorex; Oakville; Hybrid; CAD 90,000 - 110,000; Full time

Benefits offered by this job

Course Reimbursement Program

Pelmorex Learning Academy

Maple Online Healthcare (virtual)

Open and transparent communication

Employee pulse surveys

Job summary

Pelmorex is seeking a skilled GIS Developer to design, develop, and maintain enterprise-scale GIS applications and services. You will evolve our GIS systems architecture to meet internal and external user needs while collaborating with cross-functional teams.

The role emphasizes front-end visualization, data management, and automated workflows, within a hybrid Oakville, ON workplace. The contract runs through December 2026 and requires eligibility to work in Canada.

Qualifications

• University degree in Computer Science, Information Technology, or a related field.
• Minimum 3 years of professional GIS development experience.
• Expertise with ESRI ArcGIS products, including ArcGIS Desktop, ArcGIS Server, and ArcSDE on PostgreSQL.
• Strong knowledge of relational databases, big data concepts, and data structure optimization.
• Experience with GIS-based solutions and geospatial data standards.

Responsibilities

• Design, develop, and maintain GIS applications and services for enterprise-scale use.
• Develop front-end display systems for visualizing geospatial data from back-end services.
• Create custom workflow tools to enhance user productivity and automate processes.
• Ensure software is robust, well-tested, and meets requirements including unit and system testing.

Skills

GIS development

ArcGIS

C#/.NET

Python

ArcGIS API for JavaScript

PostgreSQL

Cloud platforms (AWS/GCP)

Geodatabase design

Education

University degree in Computer Science/IT

Tools

ArcGIS Desktop

ArcGIS Server

ArcSDE

PostgreSQL

Python

ArcGIS API for JavaScript

AWS

GCP

FME Workbench

Job description

Flexible Work Environment

Summer Hours

Start your weekend earlier during the summer months!

Paid Vacation Days Off (in addition to Personal Days)

An IDEAS (Inclusion, Diversity, Equity, Awareness, Solidarity) team

Weather is inclusive, we will be too. Our IDEAS team is committed to making this happen!

HAVE WE GOT YOUR ATTENTION? WANT TO LEARN MORE?

Read about ushere! (spoiler alert… we are the home of The Weather Network)

Proud to share that we ranked #5 Most Admired Company in Canada in Leger’s 2026 Reputation Study, among 334 organizations

WHY WE NEED YOU? GLAD YOU ASKED...

You will be a key contributor in the design, development, and maintenance of enterprise-scale Geographic Information Systems (GIS) applications. This role focuses on supporting and evolving our GIS systems architecture to ensure high service levels and technical solutions that precisely meet our internal and external user requirements.

Please note this is a contract role until December 2026 and we are only considering candidates who are eligible to work in Canada and can work in a Hybrid model at our Oakville, ON, Canada location.

WHAT'S THE DAY TO DAY LIKE?

Application Development & Maintenance:

• - Design, develop, and maintain new and existing GIS applications and services.
• - Develop front-end display systems for visualizing data served by back-end infrastructure.
• - Create custom workflow tools and add-ons to enhance user productivity.
• - Ensure all developed software is robust, performs optimally, and meets functional requirements, including unit and system testing prior to production handover.

Geospatial Data Management & Architecture:

• - Design, set up, and maintain processes for supporting various Market Place datasets.
• - Assist in the development and management of enterprise geospatial data.
• - Plan and update GIS applications and servers, ensuring job and function reliability.
• - Administer GIS systems, coordinating with systems administrators for updates and maintenance.
• - Integrate and design functionality to automate processes wherever appropriate.

Collaboration & Quality Assurance:

• - Work closely with other developers to integrate GIS functionality into customized stand-alone and web-based solutions.
• - Liaise with partners and vendors for successful content and system integration.
• - Work with Operations to ensure systems function without impeding existing products or processes.
• - Actively participate in quality reviews and strive to improve working practices.
• - Assist with formal analysis of user requirements and provide accurate design documentation.
• - Support quality assurance testing, including the development and execution of test plans.
• - Proactively operate within managed projects, providing regular task updates and supporting project management processes.
• - Assist in estimating the effort and time required for delegated tasks.
• - Lead projects as required and perform development activities for proof of concepts.

WE ARE HOPPING YOU HAVE

• - University degree or College diploma in Computer Science, Information Technology, or a related field.
• - Minimum 3 years of professional GIS development experience.
• - Expertise with ESRI ArcGIS products, specifically ArcGIS Desktop, ArcGIS Server, and ArcSDE on PostgreSQL Server (10.x or more recent).
• - Strong knowledge and technical experience with relational database management systems, big data concepts, and data structure optimization.
• - Proven development experience in GIS-based solutions and familiarity with geospatial data standards.
• - Experience with data modeling and system design methodologies, including geodatabase design and administration.
• - Experience in advanced geo-processing techniques.
• - Demonstrated experience with deploying and testing customized web applications integrated with Esri products.
• - Deep understanding of best principles and practices related to web application security.
• - Experience developing and testing service-oriented architectures.
• - Experience with major cloud platforms such as Amazon Web Services (AWS) and Google Cloud Platform (GCP).
• - Core Programming Languages: Experience with:
• - .NET, C#, ASP.NET, MVC/Core.
• - Python and the ArcGIS API for Python (ArcPy, Python API for ArcGIS).
• - ArcGIS APIs for JavaScript.

NICE TO HAVE

• - Experience with FME Workbench and Server technologies.
• - Sound technical knowledge of Geographic Information Systems beyond core development.
• - Exceptional written and verbal communication skills.
• - Strong analytical, critical thinking, problem-solving, and decision-making abilities.
• - Ability to manage multiple tasks under pressure and meet deadlines.
• - A collaborative team player who pays strong attention to detail and accuracy.
• - Well-developed organizational and documentation skills.
• - Ambition and interest in contributing to new process improvements.

INTERESTED? IT GETS BETTER….

• - Course Reimbursement Program We want you to keep learning, so we can too
• - Open and transparent communication, including All Hands Meetings with our CEO
• - Pelmorex Learning Academy
• - Your mental health is important to us! We partner with our benefits provider for virtual counseling sessions
• - Frequent employee pulse surveys we value your feedback so we can continue to make Pelmorex a great place to work!
• - Free online doctor visits with Maple Online Healthcare
• - While we encourage 1:1 conversations, we recognize that not everyone is comfortable with speaking up We have an anonymous reporting platform to ensure everyone’s voice is heard

OUR PROMISE TO YOU... We’re highly focused on doing the right thing.
We’ll discuss issues and timelines professionally, so you have the time you need to do the best work you can
You will see the result of your work pushed out to real users quickly
We’re a team that enjoys learning new technologies and we’re open to trying new things
We’ll try our best not to bog you down with boring meetings

Weather inspires, protects, and transforms. For 35+ years, Pelmorex has led the way with trusted forecasts and alerts. With innovation at our core, we provide precision, speed, and unmatched reliability—safeguarding lives, powering decisions, and driving business success. Whatever the weather, we turn its potential into action. We’re Pelmorex. Imagine it and we’ll deliver it.

Fair and Authentic Interview Experience
We welcome candidates using AI tools to prepare for interviews or to learn more about Pelmorex. During the interviews themselves, we expect responses to come from your own experience and thinking.
We ask that candidates not use real-time AI assistance, live answer prompts, or automated response tools during interviews. This helps ensure a fair process for everyone and allows us to evaluate how you approach problems and communicate in your own voice.