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Volunteer Python Developer Jobs in Ontario (NOW HIRING)

Systems Developer

Waterloo, ON

CA$130.10K - CA$180.10K/yr

We provide education assistance programs and support volunteer and charitable programs. In support ... Experience with test automation using scripting languages such as Python * Experience with embedded ...

You will need to have experience of DevOps or operating highly available distributed systems ... Java, C#, Python. * Experience with relational databases and SQL * Experience with Infrastructure ...

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At Xylem, you will have the opportunity to solve water by participating in our paid Volunteer ... Previous experience programming in software languages such as Python, R, C, MATLAB, etc.

Software Engineer III

Mississauga, ON · On-site

CA$108K - CA$135K/yr

Our technology stack includes Python, FastAPI, TypeScript, React, and AWS. What You'll Do * Design ... Paid time off programs including volunteer time off * Market-competitive pay and incentive programs

Our technology stack includes Python, FastAPI, TypeScript, React, and AWS. What You'll Do * Design ... Paid time off programs including volunteer time off * Market-competitive pay and incentive programs

Senior Software Engineer

Mississauga, ON · On-site

CA$132K - CA$165K/yr

Our technology stack includes Python, FastAPI, TypeScript, React, and AWS. What You'll Do * Design ... Paid time off programs including volunteer time off * Market-competitive pay and incentive programs

Senior Software Engineer

Toronto, ON · On-site

CA$132K - CA$165K/yr

Our technology stack includes Python, FastAPI, TypeScript, React, and AWS. What You'll Do * Design ... Paid time off programs including volunteer time off * Market-competitive pay and incentive programs

Strong programming skills in Python & SQL, experience writing production-quality code * Exposure to ... Make a difference with two paid volunteer days to support causes you care about * Keep learning ...

Use modern frontend and backend tech (React/Next.js, Vue/Nuxt, Angular, Node.js, Python/FastAPI ... We offer employees two paid volunteer days off annually and opportunities to get involved with pro ...

Trader-(Hybrid)

Toronto, ON · Hybrid

CA$90K - CA$110K/yr

Day off to volunteer in your community andother paid time off options * Corporate discounts ... Experience in VBA, R and Python programming languages is an asset * Demonstrated analytical and ...

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Volunteer Python Developer information

What are the key skills and qualifications needed to thrive as a Volunteer Python Developer, and why are they important?

To thrive as a Volunteer Python Developer, you need a solid understanding of Python programming, problem-solving abilities, and familiarity with software development principles, often supported by relevant coursework or personal projects. Experience with tools like Git, code editors (such as VS Code or PyCharm), and popular frameworks (like Django or Flask) is highly valuable. Strong communication, teamwork, and self-motivation are essential soft skills for collaborating effectively and contributing in a volunteer-driven environment. These skills ensure that you can deliver reliable code, support team goals, and make a meaningful impact despite limited resources or supervision.

What types of projects do Volunteer Python Developers typically work on, and how do they collaborate with team members?

Volunteer Python Developers often contribute to open-source projects, non-profit organization tools, or community-focused web applications. They frequently work remotely and collaborate with diverse teams through online platforms such as GitHub, Slack, or project management tools like Trello. Communication and clear documentation are essential, as teams may be distributed across different time zones. Developers can expect to review code, participate in group discussions, and help mentor less-experienced contributors, all while building their own skills and expanding their professional network.

What are Volunteer Python Developers?

Volunteer Python Developers are individuals who use their programming skills in Python to contribute to projects or organizations without receiving monetary compensation. They often help non-profits, open-source initiatives, or community projects by writing code, fixing bugs, developing new features, or providing technical support. This role allows developers to gain experience, expand their portfolios, network with other professionals, and make a positive impact. Volunteers typically work remotely or in-person, depending on the organization's needs and their availability.

What is the difference between Volunteer Python Developer vs Python Developer?

AspectVolunteer Python DeveloperPython Developer
CredentialsOften no formal certifications required, but basic Python knowledge preferredTypically requires a degree or certification in computer science or related field
Work EnvironmentNon-profit projects, open-source communities, or charitable organizationsCorporate, startup, or tech company environments
Employer & IndustryNon-profit organizations, open-source projects, NGOsTechnology firms, startups, enterprises
Search & Comparison IntentVolunteering opportunities, unpaid roles, community projectsPaid employment, career advancement, professional roles

In summary, Volunteer Python Developers typically work on non-profit or open-source projects without formal certifications, focusing on community service. Python Developers are usually employed in paid roles within companies, often requiring formal education or certifications. The main difference lies in the work environment, compensation, and professional expectations.

What are the most commonly searched types of Python Developer jobs in Ontario? The most popular types of Python Developer jobs in Ontario are:
Infographic showing various Volunteer Python Developer job openings in Ontario as of May 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Hybrid job distribution.

Sr Guidewire Developer -PolicyCenter

Hibernian General Insurance

Markham, ON

CA$110K - CA$130K/yr

Other

Medical, Retirement

Posted yesterday


Job description

Individually we are people, but together we are Aviva. Individually these are just words, but together they are our Values - Care, Commitment, Community, and Confidence.

As part of our Software Engineering Group, you will be working with globally distributed teams, including business representatives, business analysts, architects, and engineers to plan, design, develop, test, and implement solutions. We embrace a culture challenging the status quo and constantly looking to simplify processes, technology, and workflow.

As a Senior Guidewire PolicyCenter Developer, you will be responsible for the design, configuration, and development of PolicyCenter solutions that support Aviva's core policy lifecycle. You will play a key role in our Guidewire Cloud transformation, leveraging Guidewire Cloud capabilities to deliver scalable, reliable, and customercentric insurance solutions.

What you'll do

  • Build architectural diagrams / design documents.

  • Write programs, configure / package / deploy software.

  • Perform peer code reviews.

  • Collaborate with business partners to understand requirements and translate them into effective technical solutions.

  • Design and implement integrations with external systems.

  • Ensure standard methodologies are followed in code development, testing, and deployment.

  • Provide technical guidance and mentorship to team members, fostering a culture of continuous improvement.

  • Manage the technical aspects of Guidewire upgrades and patches.

  • Resolve and address complex technical issues promptly.

  • Monitor system performance and recommend improvements to enhance functionality.

What you'll bring

  • Bachelor's (or higher) degree in Computer Science, Computer Engineering, or other related fields, or equivalent experience.

  • 5+ years proven experience in Guidewire PolicyCenter Development.

  • Expertise in GOSU Language, configuration and coding using Guidewire tools and accelerators, Guidewire Batch, and Guidewire predefined plugins.

  • Read code in other languages and reverse engineer products.

  • Agile software development, including the use of Git, Bitbucket, Jenkins, Jira, Confluence, etc.

  • Domain knowledge on Property & Casualty Insurance

  • 5+ years of Guidewire development experience.

  • 5+ years of experience coding RESTful APIs.

  • 5+ years of experience with coding in multiple programming languages such as C#, Java, Python, etc.

  • Expertise in the end-to-end design and development of business database applications.

  • Experience building modern web applications and designing Web APIs with REST/JSON.

  • In-depth understanding of design thinking and customer-centric development.


Must have:

  • Guidewire Associate Certification.

  • Hands-on Guidewire PolicyCenter experience.

  • Experience working on Guidewire Cloud.

  • Deep experience across core PolicyCenter functional areas, including Policy lifecycle (Submission, Quote, Bind, Issuance, Endorsement, Rewrite, Cancellation, Renewal), Job configuration and workflows, outofsequence processing and prerenewal directions.

  • Proven experience with PolicyCenter product model configuration: Coverages, exclusions, modifiers, rulesets, and availability rules.

  • Strong expertise in PolicyCenter business rules: Underwriting rules, Validation rules, Prequote / postquote rules.

  • Handson experience configuring PolicyCenter UI and screens, including PC configuration layers, Display keys, page layouts and widgets.

  • Familiarity with Guidewire Cloud Tools: TeamCity, Bitbucket, DataDog, Guidewire Home.

  • Understanding Guidewire Messaging Engine: Message Queues, Message Transports, Plugins.


What makes you stand out

  • Guidewire Ace Certification (preferably PolicyCenter).

  • Guidewire Integration or Billing Center Knowledge.

  • Exposure to Advanced Product Designer (APD) for product modeling or maintenance

  • Experience with Rating configuration: Rate books, Rate tables, Rating algorithms and modifiers.

  • Experience writing automated GUnit tests for configurations using Guidewire data builders.

  • Experience upgrading Guidewire Cloud versions.

  • Experience handling Guidewire Cloud Assurance Reports and leading the resolution.

  • 5+ years of experience with relational databases and SQL - MS SQL Server & Transact SQL proficiency preferred.

What you'll get

  • The salary band for this position ranges from $110,000 to $130,000. Please note that individual salary is determined by factors such as job-related knowledge, skills and experience, as well as internal equity.

  • Compelling rewards package including base compensation, eligibility for annual bonus, retirement savings, share plan, health benefits, personal wellness, and volunteer opportunities.

  • Outstanding Career Development opportunities.

  • We'll support your professional development education.

  • Competitive vacation package with the option to purchase 5 extra days off per year.

  • Employee driven programs focused on gender, LGBTQ+, origins, diversity, and inclusion.

  • Corporate wellness programs to support our employees' physical and mental health.

  • Hybrid flexible work model.

This job advertisement is for an existing vacancy which has been posted both internally & externally.

Aviva Canada may use AI (Artificial Intelligence) tools to assist us throughout the recruitment process to screen, assess or select applicants for a position.

Aviva Canada welcomes applications from all qualified individuals and has a process in place to provide accommodations for persons with disabilities at all stages of the hiring process and during employment. If you require an accommodation during the interview or hiring process, please contact your Aviva Talent Acquisition Partner so that an appropriate accommodation can be arranged.

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