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Summer Python Developer Jobs in Ontario (NOW HIRING)

Flexible Work Environment Summer Hours Start your weekend earlier during the summer months! Paid ... Python and the ArcGIS API for Python (ArcPy, Python API for ArcGIS). * ArcGIS APIs for JavaScript.

AI Engineer Intern/Co-op

Markham, ON · Hybrid

CA$24 - CA$28/hr

Basic understanding of Python or similar scripting/programming languages. * Familiarity or exposure ... summer and semester breaks based on project demand. * Typical availability may range from ...

Senior Software Engineer

London, ON · On-site

CA$92.50K - CA$136K/yr

Our four-day week continues in Summer 2026! What makes our Tech Culture Amazing? We're passionate ... Object Oriented experience with languages such as Java, Kotlin, Golang, Python OR C#. We primarily ...

... summer months! 17 Paid Days Off (in addition to 13 Personal Days) This includes an extra day off ... You will design and build scalable backend APIs and services in Node.js and Python to deliver ...

... summer experience in engineering or construction * Curiosity and enthusiasm for learning in a fastpaced, projectdriven environment * Interest or experience in programming (Python, C#, VBA, and/or ...

... summer experience in engineering or construction * Curiosity and enthusiasm for learning in a fastpaced, projectdriven environment * Interest or experience in programming (Python, C#, VBA, and/or ...

Data Scientist

London, ON

CA$85.50K - CA$114K/yr

Our four-day week continues in Summer 2026! As a Data Scientist , you will be key member of the ... You will work collaboratively with data engineers, data mappers and other stakeholders to design ...

Data Scientist

London, ON

CA$85.50K - CA$114K/yr

Our four-day week continues in Summer 2026! As a Data Scientist , you will be key member of the ... You will work collaboratively with data engineers, data mappers and other stakeholders to design ...

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Showing results 1-20

Summer Python Developer information

What is the difference between Summer Python Developer vs Summer Data Analyst?

AspectSummer Python DeveloperSummer Data Analyst
Required SkillsPython programming, software development, codingData analysis, SQL, Excel, statistical skills
Work EnvironmentSoftware companies, tech startups, development teamsBusiness, finance, marketing departments
Common CertificationsPython certifications, coding bootcampsData analysis certifications, Excel certifications

Summer Python Developers focus on coding and building software applications using Python, often working in tech environments. Summer Data Analysts analyze data sets to generate insights, typically in business or finance sectors. While both roles may require some overlapping skills like problem-solving, their core responsibilities and work environments differ significantly.

What are the most commonly searched types of Python Developer jobs in Ontario? The most popular types of Python Developer jobs in Ontario are:
What cities in Ontario are hiring for Summer Python Developer jobs? Cities in Ontario with the most Summer Python Developer job openings:

GIS Developer, 6 Month Contract

Pelmorex

Oakville, ON • Hybrid

Other

PTO

Posted 18 days ago


Job description

ARE YOU INTERESTED IN A WORKPLACE THAT HAS...

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 us here! (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 HOPING 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.

DON'T MEET ALL THE REQUIREMENTS? DON'T WORRY...
Not all applicants will have skills that match a job description exactly. Pelmorex values and welcomes diverse experiences. While having "desired" qualifications makes for a strong candidate, we encourage applicants with alternative experiences to also apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Pelmorex. We are always looking for people who will be a culture add (yup, that's right, we don't subscribe to culture fit, we want you to add to what we think is an amazing culture and work environment
INTERESTED? IT GETS BETTER....
  • Open and transparent communication, including All Hands Meetings with our CEO
  • Frequent employee pulse surveys we value your feedback so we can continue to make Pelmorex a great place to work!
  • 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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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