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Seasonal Full Stack Developer Jobs in Toronto, ON

HR à la carte

Full Stack Developer

Toronto, ON · On-site

Position Full Stack Developer Location Toronto, ON (100% onsite) Employment Type New, Full-Time Permanent position Salary $110,000 - $125,000 (depending on experience) plus incentive compensation ...

Customerization

Full-Stack Developer

Concord, ON

CA$80K - CA$100K/mo

Full-Stack Developer ⬝ In-office, full-time position in Vaughan ⬝ Relevant education only ⬝ Probation period: 3 months ⬝ Salary range depending on experience: CAD$80-100K About the role A ...

Alquemy

Full Stack Developer

Toronto, ON

Full Stack Developer About the role: We are seeking a Full Stack Developer to design, develop, test, deploy, and support software solutions throughout the full software development lifecycle. You ...

Quantiphi, Inc.

Full Stack Developer

Toronto, ON · Remote

Full Stack Software Developer Experience Level: 5-10 yrs Work Location: US East/Canada (Remote) Role Overview: We're looking for a Full Stack Software Developer to design and build scalable, high ...

Ci

Full Stack Developer

Toronto, ON · On-site

CA$69K - CA$119K/yr

The Full Stack Developer is responsible for designing and developing web-based and middle-tier applications that support the firm's investment management and trading systems. This role works closely ...

Royal Bank of Canada

Full Stack Developer

Toronto, ON · On-site

As a Full Stack Software Developer, you have a solid technical foundation, and a strong focus on growing your development skills; You're able to deliver small to medium-sized well-defined tasks ...

Magna

Full Stack Developer

Brampton, ON

CA$100K/yr

TheFull Stack Developerwill work with the IoT architect,technical product ownerand a team of developers(Sr full stack, software, IoT, data science)toensure the efficient and effective development of ...

Konrad

Full Stack Developer

Toronto, ON · Hybrid

CA$90K - CA$120K/yr

About The Role As a Full Stack Developer you'll be tasked with working on one of our web application projects. Working within the software development team, your duties will require you to assist in ...

Royal Bank of Canada

Full Stack Developer

Toronto, ON · On-site

... developers to build and deploy scalable, secure solutions powering next-generation merchant payment capabilities. This role spans both modern full-stack development and Mainframe-based payment ...

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All JobsFull Stack Developer JobsSeasonal Full Stack Developer JobsSeasonal Full Stack Developer Jobs in Toronto, ON

Seasonal Full Stack Developer information

What is a seasonal full stack developer?

A Seasonal Full Stack Developer is a software engineer hired on a temporary or contract basis, typically during peak periods, to work on both front-end and back-end development tasks. They are proficient in a range of programming languages and frameworks, allowing them to handle the complete development process of web applications. These roles are often found in companies with cyclical workloads or special projects that require additional resources for a limited time. Seasonal Full Stack Developers collaborate with other team members to ensure that applications are built efficiently and meet the company's needs during busy seasons.

What are the key skills and qualifications needed to thrive as a seasonal full stack developer?

To thrive as a Seasonal Full Stack Developer, you need proficiency in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, and Python), along with a relevant degree or equivalent experience. Familiarity with frameworks like React or Angular, backend systems like Node.js or Django, and version control tools such as Git are typically required. Strong problem-solving, time management, and collaboration skills help you adapt quickly to short-term projects and dynamic team environments. These skills ensure that you can deliver quality software solutions efficiently during peak demand periods.

What are some common challenges faced by seasonal full stack developers, and how can they prepare for them?

Seasonal Full Stack Developers often face the challenge of quickly adapting to new codebases and workflows within a short timeframe. Since these roles typically support high-demand periods, developers must rapidly familiarize themselves with the team's tech stack and project requirements. Effective communication and proactive learning are key to overcoming these challenges. Collaborating closely with permanent team members and utilizing onboarding resources can help ensure a smooth integration and maximize contributions during the contract period.
What are the most commonly searched types of Full Stack Developer jobs in Toronto, ON? The most popular types of Full Stack Developer jobs in Toronto, ON are:
What cities near Toronto, ON are hiring for Seasonal Full Stack Developer jobs? Cities near Toronto, ON with the most Seasonal Full Stack Developer job openings:
Seasonal Full Stack Developer jobs near you
Infographic showing various Seasonal Full Stack Developer job openings in Toronto, ON as of July 2026, with employment types broken down into 71% Full Time, 19% Part Time, 1% Temporary, and 9% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution.

Full Stack Developer

HR à la carte

Toronto, ON • On-site

Full-time

Re-posted 4 days ago

Job description


Position
Full Stack Developer
Location
Toronto, ON (100% onsite)
Employment Type
New, Full-Time Permanent position
Salary 
$110,000 - $125,000 (depending on experience) plus incentive compensation 
Hamilton ETFs is building a SaaS platform—a suite of applications designed to power every aspect of our business, including sales, marketing, data intelligence, compliance, reporting, and AI-assisted workflows. Purpose-built for the unique needs of a Canadian asset manager, this platform will be the foundation for how we operate and innovate.
Are you a builder who can take a business problem from concept to execution—breaking it down, designing workflows, and delivering well-tested, scalable solutions?
We’re looking for someone with a strong product engineering mindset who thinks beyond code, balancing user experience, security, scalability, and long-term maintainability while moving quickly and building clean architecture.
You’ll help develop a SaaS platform that powers the real-world needs of a Canadian asset manager across sales, marketing, analytics, and compliance. If this sounds like you, we’d love to hear from you!
Hamilton ETFs offers:
  • A competitive compensation package including comprehensive health and wellness benefits;
  • The chance to shape the product architecture from the ground up;
  • Close collaboration with technology leadership on a platform central to the business;
  • We value collaboration, open-mindedness and service focused mindsets;
  • Diverse and inspiring colleagues and approachable leaders;
  • Opportunity to evolve in a growing firm.
Here’s a bit about Hamilton ETFs:
Hamilton ETFs is one of Canada’s fastest growing exchange traded fund (“ETF”) providers. Based in Toronto’s financial district and with ~$17 billion in ETF assets under management, we are seeking a motivated individual to join our entrepreneurial team of experienced and talented professionals.
Here’s what you will do as Full Stack Developer:
The Full Stack Developer builds production-grade software across the front end, back end, APIs, and integrations for a SaaS platform supporting Hamilton ETFs' sales, marketing, analytics, and compliance teams. The platform includes workflow automation, reporting dashboards, communication tools, and emerging AI-assisted capabilities, with HubSpot as the commercial source of truth.
 
  • Build and maintain the core web application across front end and back end.
  • Develop secure, scalable APIs for CRM workflows, campaign activity, call records, email engagement, user permissions, reporting, and client portals.
  • Create modern interfaces for internal teams and external clients.
  • Build workflow tools for campaign management, contact management, task queues, compliance review, reporting, and operational dashboards.
  • Integrate with third-party systems: HubSpot, email platforms, telephony providers, authentication providers, storage, and analytics tools.
  • Develop AI-assisted features including call summarization, lead scoring, email drafting support, anomaly detection, and natural-language search powered by LLMs and structured data.
  • Work with the Data Platform Engineer to ensure clean data access patterns, performance, security, and auditability.
  • Implement role-based access control, secure authentication, logging, and error handling across the platform's apps.
  • Build reusable components and services that support future products, with clean, testable, documented code.
  • Participate in product planning and help translate business workflows into technical features.
  • Other work or special projects assigned for the overall benefit of Hamilton ETFs.
Here’s what you’ll need to be successful:
  • Strong product engineering mindset with ability to translate business workflows into scalable software systems.
  • Comfortable working in a platform environment where application and data layers are co-designed.
  • Ability to think in terms of systems, user experience, and data flow—not just features.
  • Strong collaboration with data and platform engineering counterparts as well as other Hamilton team members.

Minimum Education, Experience and Skill
  • Post secondary diploma in computer science, computer engineering or similar degree; Masters degree an asset.
  • 4+ years of full stack development experience.
  • Strong experience with modern front-end frameworks (React preferred, or Next.js/Vue).
  • Strong back-end experience in one or more modern languages (Node.js or Python preferred).
  • Experience building REST or GraphQL APIs and service-based architectures and working with relational databases (PostgreSQL preferred).
  • Working knowledge of authentication, authorization, role-based permissions, and secure application design.
  • Hands-on experience building SaaS, CRM, workflow, analytics, or dashboard-heavy applications as well as APIs and data models for multi-tenant SaaS applications.
  • Comfortable with Git, CI/CD, cloud hosting, testing, and production deployment.
  • Strong problem-solving skills and the ability to work independently in a small team.
Preferred Education, Experience and Skills
  • LLM integrations using Anthropic, OpenAI, Azure OpenAI, local models, or similar.
  • Agentic workflows, prompt orchestration, RAG, embeddings, vector search, or AI automation.
  • Telephony platforms such as Twilio, Plivo, or similar, and voice recording or transcription pipelines.
  • Email systems, Microsoft 365, Google Workspace, SMTP, webhooks, or marketing automation.
  • HubSpot or comparable CRM integration.
  • Financial services, asset management, wealth management, or regulated products.
  • Observability, logging, monitoring, background jobs, queues, and event-driven systems.
  • Docker, Kubernetes, serverless, or cloud-native deployment.
  • Security practices: SOC 2 readiness, audit logs, encryption, least-privilege access, and secure SDLC.
Interested in being a part of Hamilton ETFs? We look forward to your application!
Hamilton ETFs is committed to meeting the accessibility needs of all applicants throughout the recruiting and selection process. Please let us know about any accommodation and/or support requirements. Please note only those candidates selected for an interview will be contacted.
Hamilton ETFs is working in partnership with HR à la carte for our recruitment efforts.
Please note: we are only accepting applications from those authorized to work in Canada and we are not currently sponsoring any temporary or permanent work visas.
Use of AI in Hiring: Some stages of our recruitment process may use AI-assisted tools to support recruitment efforts; however, all applications are screened and assessed by human reviewers.  In addition, all final hiring decisions are made by humans.

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