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Freelance Full Stack Developer Jobs in Hamilton, ON

Full Stack Software Developer

Oakville, ON · Hybrid

CA$80K - CA$90K/yr

Our client is seeking a skilled Full Stack Software Developer with 5+ years of experience to join their team in Oakville. You will be responsible for designing, developing, and maintaining scalable ...

Implement CI/CD pipelines using Azure DevOps Azure & Microsoft Platform Engineering * Architect and ... full stack software development * 3+ years of hands-on experience with Microsoft Azure (AZ-204 or ...

Senior Full-Stack Engineer (Media Team) Location: Ottawa, ON or Toronto, ON | Hybrid Department: R&D | Video Type: Permanent | Full-Time Vacancy Status: This is an active, approved role and we are ...

Staff Full Stack Engineer

Ottawa, ON · Remote

CA$138K - CA$185K/yr

Staff Full Stack Engineer Location: Ottawa, ON or Toronto, ON | Hybrid Department: R&D Type: Permanent | Full-Time About Solink At Solink, our mission is to safeguard what matters most . We provide ...

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

* The Senior Engineer in Production Management will be responsible for the development and overall ... of a full range of endtoend projects * Excellent communication skills required to negotiate ...

* The Senior Engineer in Production Management will be responsible for the development and overall ... of a full range of endtoend projects * Excellent communication skills required to negotiate ...

The [Junior Full Stack Developer - coop] role is to help plan, design, develop, test, launch, and maintain software applications in support of the achievement of business requirements. This includes ...

Be Seen First

We are seeking an experienced Senior Software Developer (Full Stack) with 7+ years of commercial software engineering experience. In this key on-site role in Oakville, you will lead the modernization ...

Role Overview We are looking for a Full-Stack Software Engineer to join our growing engineering team. In this role, you will work across frontend, backend, and cloud infrastructure to build scalable ...

Showing results 41-60

Freelance Full Stack Developer information

What is a freelance full stack developer?

A Freelance Full Stack Developer is a self-employed professional who builds both the front-end and back-end of websites or applications. They work with various technologies, including databases, servers, APIs, and client-side interfaces, to create fully functional digital products. Unlike full-time employees, freelancers work on a project basis for multiple clients, offering flexibility in workload and schedule. Their responsibilities often include coding, debugging, deployment, and sometimes design.

What types of projects and clients can freelance full stack developers typically expect to work with?

Freelance Full Stack Developers often engage with a diverse range of projects, including website and web application development, e-commerce platforms, mobile app backends, and API integrations. Clients can range from startups and small businesses to established companies and entrepreneurs seeking bespoke digital solutions. The variety in clients and project scopes allows developers to constantly expand their skills and work experience, but it also means adapting quickly to new industries and client expectations. Freelancers typically manage their own workflow, communicate directly with clients, and are responsible for project timelines, making this role ideal for self-motivated technology professionals.

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

To thrive as a Freelance Full Stack Developer, you need a solid grasp of both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Node.js, Python, or similar) and a strong portfolio showcasing completed projects. Familiarity with frameworks like React or Angular, version control systems like Git, cloud services, and sometimes relevant certifications (such as AWS Certified Developer) are highly valued. Excellent communication, problem-solving abilities, time management, and client relationship skills help set freelancers apart. These competencies are crucial for effectively delivering end-to-end solutions, managing multiple projects, and building a reliable client base.

What are the most commonly searched types of Full Stack Developer jobs in Hamilton, ON? The most popular types of Full Stack Developer jobs in Hamilton, ON are:
What are popular job titles related to Freelance Full Stack Developer jobs in Hamilton, ON? For Freelance Full Stack Developer jobs in Hamilton, ON, the most frequently searched job titles are:
What cities near Hamilton, ON are hiring for Freelance Full Stack Developer jobs? Cities near Hamilton, ON with the most Freelance Full Stack Developer job openings:
Infographic showing various Freelance Full Stack Developer job openings in Hamilton, ON as of August 2026, with employment types broken down into 59% Full Time, 18% Part Time, and 23% Contract. Highlights an 69% In-person, 10% Hybrid, and 21% Remote job distribution.

Full Stack Engineer - PricingCenter

Guidewire Software

Mississauga, ON • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 6 days ago


Job description

Summary

As our engineering organization expands, we are seeking a product-focused full-stack engineer to drive the growth and evolution of our products. This position is ideal for an experienced professional who prioritizes clean, reliable systems and thrives in a collaborative, fast-paced setting with a strong sense of ownership.

Job Description

What you'll do
  • Execute full-stack engineering tasks utilizing Python (RESTful APIs using Flask and FastAPI with extensive use of SQLAlchemy and Pydantic), React and TypeScript.

  • Design and build proprietary solutions involving insurance pricing algorithms, modeling, and data visualizations.

  • Partner with product management to convert business needs into secure, high-quality production features, applying professional judgment to choose appropriate tools and architectural patterns.

  • Manage the full development lifecycle: analyze requirements, architect solutions, conduct spikes, develop PoCs, and deploy scalable, thoroughly tested production code.

  • Maintain and refine existing applications to ensure consistent alignment with established SLOs.

  • Participate in agile ceremonies, contribute to RFC/ADR documentation, and perform peer code reviews to maintain high engineering standards.

  • Enhance observability and reliability of applications/components by implementing logging, metrics, tracing, dashboards, and alerting that support incident triage, rootcause analysis, and continuous improvement.

What you'll bring
  • Full-stack development: Hands-on experience in building and deploying end-to-end web applications, utilizing modern frontend tools like React and TypeScript, combined with Python-based backend APIs and major cloud infrastructures (AWS, GCP, or Azure).

  • 4+ years of relevant professional experience in software development.

  • Experience with some of the following: FastAPI, SQLAlchemy, Pydantic, Celery.

  • Practical experience with containerization and orchestration (Docker, Kubernetes) and familiarity with CI/CD and DevOps practices and tools (Github Actions, Git-based workflows).

  • Strong foundation in Algorithms, Data Structures, and performance optimization techniques for scalable applications.

  • Experience with relational databases (like Postgres) and familiarity with NoSQL databases (like Redis) is an advantage.

  • Proactive mindset for learning new technologies, robust work ethic, commitment to resolving technical challenges, and responsibility.

  • Excellent communication skills with the ability to articulate technical concepts.

Nice to have
  • Exposure to Large Language Models (LLMs) and AI development tools (Claude, Copilot).

  • Data engineering background or interest, familiarity with NumPy, pandas, Polars is a plus.

  • Experience with Tanstack, React Hook Form, Vite is a plus.

The Canadian CAD base salary range for this full-time position is 106,000.00 - 132,000.00. Your base pay will depend on your experience, skills, education, training, and location among other factors. All full-time positions or part-time roles working 30 hours or more a week at Guidewire are eligible for benefits that support their health and well-being including health, dental, and vision insurance, paid time off, and a company sponsored retirement plan. In addition, some roles may be eligible for the annual company bonus plan, commissions, and/or long term incentive awards which are contingent on a variety of factors including, but not limited to, company and employee performance.

About Guidewire

Guidewire is the platform P&C insurers trust to engage, innovate, and grow efficiently. We combine digital, core, analytics, and AI to deliver our platform as a cloud service. More than 540+ insurers in 40 countries, from new ventures to the largest and most complex in the world, run on Guidewire.

As a partner to our customers, we continually evolve to enable their success. We are proud of our unparalleled implementation track record with 1600+ successful projects, supported by the largest R&D team and partner ecosystem in the industry. Our Marketplace provides hundreds of applications that accelerate integration, localization, and innovation.

For more information, please visit www.guidewire.com and follow us on Twitter: @Guidewire_PandC.

Guidewire Software, Inc. is proud to be an equal opportunity and affirmative action employer. We are committed to an inclusive workplace, and believe that a diversity of perspectives, abilities, and cultures is a key to our success. Qualified applicants will receive consideration without regard to race, color, ancestry, religion, sex, national origin, citizenship, marital status, age, sexual orientation, gender identity, gender expression, veteran status, or disability. All offers are contingent upon passing a criminal history and other background checks where it's applicable to the position.