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Senior Full Stack Software Developer Jobs in Toronto, ON

Chubb

Senior Full Stack Engineer

Toronto, ON · On-site

Senior Full-Stack Engineer, AI Platform The Opportunity Chubb's AI Platform team is building an ... software engineering experience delivering production systems at meaningful scale * React - deep ...

Invictus Direct

Senior Full Stack Engineer

Toronto, ON · Remote

$125K - $155K/yr

... software in a collaborative, fast-moving environment. Design, develop, and maintain full-stack web ... Continuously improve application performance, developer workflows, and engineering best practices ...

Flinks

Senior Full-Stack Developer

Toronto, ON · Remote

The Role We're hiring Senior Full-Stack Developers to build and own the client-facing product ... We're not building software for software's sake. Our products only matter when a client can see ...

myAbode Inc

Senior Full Stack Engineer

Toronto, ON · On-site

We are now building the next generation of real estate software: AI-native tools that help automate ... Role Overview We're looking for a Senior Full Stack Engineer who is excited to build products in a ...

Mattermost

Senior Full Stack Engineer

Toronto, ON · On-site +1

CA$132K - CA$181K/yr

If you have a track record of shipping and owning complex software end-to-end, we want to hear from ... Be part of a vibrant developer community shaping the future of secure collaboration Compensation ...

Signal 1

Senior Full Stack SoftwareEngineer

Toronto, ON · On-site

Senior Full Stack SoftwareEngineer Reporting to:Director of Application Engineering Signal 1 helps ... Drive software architecture design andestablishmodern engineering practices thatleverageAI-assisted ...

Fiera Capital Corp.

Senior Full Stack Engineer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

Solid understanding of software design patterns and development practices, including Entity ... SQL Server, Azure Data Factory * DevOps: Azure DevOps, Git, CI/CD pipelines Additional Information:

Priceline

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

Senior Full-Stack Engineer (Applied AI) Our Technology team is the backbone of our company ... Join an Agile team of software engineers that are instrumental in building the next generation of ...

Priceline.com LLC

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

Senior Full-Stack Engineer (Applied AI) Our Technology team is the backbone of our company ... Join an Agile team of software engineers that are instrumental in building the next generation of ...

Citi

Full Stack Software Engineer

Mississauga, ON

CA$94K - CA$141K/yr

We are hiring a Full Stack Engineer to design, build and maintain a critical Cash & Intraday ... Collaborate and communicate with senior business and technology executives, while keeping focus on ...

Konrad

Senior Full Stack Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

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

Magna

Full Stack Developer

Brampton, ON · On-site

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 ...

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Senior Full Stack Software Developer information

What is a senior full stack software developer?

A Senior Full Stack Software Developer is an experienced professional who designs, develops, and maintains both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to work on the entire technology stack, from databases and servers to user interfaces. In addition to coding, they often lead projects, mentor junior developers, and help architect scalable solutions that meet business needs. Their role requires strong problem-solving skills, a deep understanding of software development best practices, and the ability to collaborate with cross-functional teams.

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

A Senior Full Stack Software Developer needs advanced proficiency in both front-end and back-end programming languages, strong problem-solving skills, and several years of relevant software development experience. Familiarity with frameworks like React or Angular, back-end technologies such as Node.js or Django, and experience with cloud platforms, CI/CD tools, and version control systems like Git are typically required. Excellent communication, teamwork, and leadership abilities help developers collaborate effectively and mentor junior team members. These skills are crucial for designing robust, scalable applications and leading complex projects to successful completion.

What types of projects and technologies can a senior full stack software developer expect to work on, and how does the team typically collaborate?

As a Senior Full Stack Software Developer, you can expect to work on a diverse range of projects such as developing scalable web applications, integrating APIs, and optimizing system performance. The tech stack often includes front-end frameworks like React or Angular, back-end environments such as Node.js, Python, or Java, and databases like PostgreSQL or MongoDB. Collaboration is highly cross-functional—you’ll regularly coordinate with product managers, UX/UI designers, QA engineers, and other developers through agile methodologies, code reviews, and sprint planning sessions. This role offers opportunities to mentor junior developers, influence architectural decisions, and contribute to continuous process improvement.

What is the difference between Senior Full Stack Software Developer vs Software Engineer?

AspectSenior Full Stack Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience in full stack developmentBachelor's degree in CS or related field; may have certifications in specific technologies
Work EnvironmentCollaborates across front-end and back-end teams, often in agile settingsDesigns, develops, and maintains software applications, often in teams or individually
Industry UsageCommon in tech companies, startups, and agencies requiring versatile development skillsWidely used across industries for software development roles

While both roles involve software development, a Senior Full Stack Software Developer specializes in both front-end and back-end technologies, often taking on leadership responsibilities. A Software Engineer may focus on specific areas of software design and implementation, with less emphasis on full stack expertise. The roles overlap in skills and industry usage, but the senior developer typically has broader responsibilities and experience in full stack development.

What are the most commonly searched types of Full Stack Software Developer jobs in Toronto, ON?

The most popular types of Full Stack Software Developer jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Senior Full Stack Software Developer jobs?

Cities near Toronto, ON with the most Senior Full Stack Software Developer job openings:

Senior Full Stack Software Developer jobs near you
Infographic showing various Senior Full Stack Software Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Senior Full-Stack Developer

Odaia Intelligence Inc.

Toronto, ON • On-site

Full-time

Posted 12 days ago

Job description

Senior Full-Stack Developer
Full-Time / Permanent
ABOUT ODAIA
ODAIA noun
o·da·ia | \ 'oh-day-yeah \
An Ancient Greek word referring to "tools of the trade."
To learn more visit odaia.ai.
ODAIA delivers AI-powered commercial intelligence for life sciences - unifying data, accelerating results, and helping commercial teams deepen engagement to enhance care for providers and patients. ODAIA's AI platform transforms complex data into predictive, personalized insights, enabling commercial leaders to understand their customers, anticipate prescribing behaviors, and make the informed, strategic decisions that bring therapies to patients faster.
OUR MISSION
Reducing patients' time to therapy by facilitating meaningful interactions with healthcare providers, through human-centric software powered by AI.
WHAT'S ON OFFER
We're looking for a Senior Full-Stack Developer to join our engineering team! You'll work across the full stack to design, build, and ship features that directly impact how pharma commercial teams engage with healthcare providers. You'll collaborate closely with product, design, and ML engineering to solve complex problems and help bring our AI-powered platform to life.
We expect this person to be an active voice in how we plan and build contributing to epics, shaping scope, and bringing engineering perspective into roadmap conversations from the start.
WHAT YOU WILL DO
  • Own significant product capabilities end-to-end  from ambiguous problem framing through design, implementation, deployment, and iteration with minimal oversight
  • Build accessible, data-rich user experiences with React and TypeScript that make complex commercial and healthcare insights clear and actionable
  • Build and maintain real-time computation services (AWS Lambda) that serve scores and calculations on-demand to the customer-facing app, with an eye toward latency, reliability, and cost at scale
  • Design and maintain reliable, scalable APIs and backend services connecting ODAIA's data, ML, analytics, and agentic capabilities to customer-facing products
  • Work across our stack AWS, Kubernetes, Snowflake, PostgreSQL, and embedded analytical engines like DuckDB and DataFusion
  • Use Claude Code and other coding AI agents across the development lifecycle, and help define how the team uses these tools effectively
  • Lead technical design, code review, and architectural discussions, surfacing risks and trade-offs early
  • Mentor other engineers and help shape team practices around testing, observability, and code quality
  • Partner with engineering leadership on technical roadmap decisions and platform investments
  • Please include a cover letter with your application outlining your relevant experience and interest in this role. You can describe a project you've worked on that relates to one of the "What You Bring" or "What You Will Do" points, and share how you'd expand on it here at ODAIA.

What You Bring
  • 6+ years of professional software development experience, with significant ownership across frontend and backend systems and at least one experience leading a project with limited supervision
  • Deep experience with React and TypeScript, plus a strong grasp of browser fundamentals, state management, and frontend performance
  • Extensive experience designing and operating APIs or backend services (Python, TypeScript, or similar) under real production load
  • Strong engineering fundamentals  modular design, testing, and maintainable code paired with the judgment to know when simplicity is right and when more rigor is needed
  • Experience guiding coding AI agents effectively, reviewing generated output, and retaining full ownership of the final implementation
  • A track record of mentoring engineers and raising the technical bar on a team
  • A product-oriented mindset and clear communication with both technical and non-technical stakeholders

WHAT WE OFFER
Values-Based Culture
  • We Ignite Innovation, Own It, and Stand Together
AI-Native Environment
  •  At ODAIA, we don't just deliver AI — we live it. We use AI and agentic automation to 10x our efficiency and impact, encouraging constant curiosity in leveraging and integrating AI
Comprehensive Rewards
  • Meaningful stock option grants, immediate medical/dental enrollment, and flexible time off

Remote-First Flexibility
WFH flexibility with intentional, high-value in-person collaboration and socials
LOCATION & BUSINESS TRAVEL
ODAIA is a remote first organization, with employees located across Canada and the U.S. Our primary office hub is located in central downtown Toronto, walking distance from Union Station.
EMPLOYMENT VERIFICATION
Any conditional offer of employment made to a successful candidate will be subject to the full satisfaction with the results of any background and reference checks.
JOB PROCESS & INTERVIEW DISCLOSURE
ODAIA does not use artificial intelligence (AI) to review applications, filter or analyze resumes. 
Our recruitment team may use an AI-powered meeting assistant to record and transcribe interviews for note-taking purposes only. This tool helps our recruiters to be fully present during conversations with candidates who provide consent to this tool being used during an interview. This tool is used in compliance with privacy and employment laws across Canada and the U.S.
We respect the time candidates invest into participating in our recruitment process. ODAIA is committed to providing timely status updates on hiring decisions to all candidates following their final interview, in accordance with applicable employment laws. 
The anticipated base salary for this position ranges from $130,000.00 - $145,000.00 CAD + Stock and Equity 
This range represents ODAIA's good-faith estimate based on current market data and internal equity. Final compensation is determined through a comprehensive review of the successful candidate’s unique skill set, specialized experience, certifications and other relevant considerations. As such, the final offer may vary based on these specific factors. Salary expectations will be discussed collaboratively early in the process to ensure alignment. This role is also eligible for health benefits, stock options, and flexible time off policies as mentioned above. 
Position Status: This is related to an existing position vacancy or departure. 
DIVERSITY, EQUITY & INCLUSION
ODAIA is an equal opportunity employer. We are committed to building an environment where everyone feels included, valued, respected and heard. We are committed to creating a diverse workplace, free from discrimination on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, parental status, veteran status, disability status or any other characteristics protected by local laws, regulations or ordinances.
ACCOMMODATIONS AND ACCESSIBILITY
Accommodations are available upon request. If you need assistance or accommodation due to a disability or special need at any stage of the recruitment process, please contact us at hr@odaia.ai.
 

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