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Sr Python Full Stack Developer Jobs in Toronto, ON

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 ... Any Java/Kotlin, Python, ML/Data Science experience are all a bonus. * Strong analytical and ...

Full Stack Developer

Toronto, ON · On-site

CA$105K - CA$135K/yr

... senior team members * Develop and maintain Microservices using Python, Node.js, React, and SQL ... DevOps teams * Create and execute test cases aligned to user stories, including UI performance ...

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 development. Working within the software development team, your duties will require you to assist in ...

... Senior Manager, on the design, development, integration, and implementation of Insider Threat ... computer engineering or related field and 5+ years of full stack development experience required ...

This role has openings at Intermediate and Senior level positions. The Identity team builds the ... full-stack software development. * Strong programming skills in C# and/or TypeScript , with ...

Senior Full Stack Developer

Toronto, ON · On-site

CA$150K - CA$190K/yr

ROLE SALARY BAND $150,000 - $190,000 ROLE OVERVIEW The Senior Full stack Developer is a key contributor responsible for delivering high-quality, scalable software across the frontend and backend.

Full Stack Developer

Toronto, ON · Hybrid

CA$90K - CA$125K/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 ...

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Sr Python Full Stack Developer information

What are some common challenges Sr Python Full Stack Developers face when managing both backend and frontend tasks?

Sr Python Full Stack Developers often encounter the challenge of balancing deep backend logic—such as API development and database management—with the rapidly evolving landscape of frontend technologies. Staying up to date with best practices in both areas requires continuous learning and adaptation. Additionally, coordinating with UI/UX designers, DevOps engineers, and QA teams is crucial to ensure seamless integration and smooth product delivery. Effective time management and strong communication skills are key to overcoming these challenges and delivering reliable, well-integrated solutions.

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

To excel as a Sr Python Full Stack Developer, you need advanced proficiency in Python, web frameworks like Django or Flask, front-end technologies (JavaScript, React or Angular), and a solid understanding of databases, typically backed by a bachelor's degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms (AWS, Azure), and containerization tools such as Docker is commonly expected, along with relevant certifications. Strong problem-solving abilities, effective communication, and the ability to collaborate in agile teams distinguish top performers in this role. These skills ensure delivery of robust, scalable applications and seamless integration across the technology stack, meeting both business and user needs efficiently.

What is a Sr Python Full Stack Developer?

A Sr Python Full Stack Developer is an experienced software engineer who is proficient in both front-end and back-end development using Python and related technologies. They are responsible for designing, developing, and maintaining web applications, often handling both client-side and server-side logic. This role requires expertise in frameworks like Django or Flask for the backend, and familiarity with front-end technologies such as JavaScript, HTML, and CSS. Senior developers also mentor junior team members, participate in architectural decisions, and ensure best practices in coding and deployment.
What job categories do people searching Sr Python Full Stack Developer jobs in Toronto, ON look for? The top searched job categories for Sr Python Full Stack Developer jobs in Toronto, ON are:
Infographic showing various Sr Python Full Stack Developer job openings in Toronto, ON as of June 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.
Senior Full-Stack Developer

Senior Full-Stack Developer

Priceline.com LLC

Toronto, ON • Hybrid

CA$140K - CA$160K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago


Job description

This role is eligible for our hybrid work model: Three days in-office.

Senior Full-Stack Engineer (Applied AI)

Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating to better meet the needs of our customers. If you thrive in a fast-paced, ideas-led environment, you're in the right place.

Why this job's a big deal:

Join an Agile team of software engineers that are instrumental in building the next generation of travel applications. We constantly explore new technologies and engineer better solutions for ever demanding business needs.

In this role you will get to:

  • Drive the development and optimization of applied generative AI driven features and services, ensuring a smooth and engaging user experience across different applications.

  • Collaborate with UX engineers, product managers, and potentially data scientists to implement AI features that align with user needs and enhance interaction quality.

  • Be part of a cross-functional agile team that continuously experiments, iterates and delivers on new product objectives.

  • Apply your development and analytical skills while building product features.

  • Lead the deployment and integration of algorithms, ensuring high performance and usability in the user interface.

  • Mentor and lead best practices in the development of services and features.

  • Research and stay current with AI and UX developments, contributing ideas and best practices to continuously improve the platform.

  • Lead in code reviews and actively participate in team meetings to improve platform development processes.

Who you are:

  • Bachelor's degree or higher in Computer Science or related field. Equivalent work experience is also welcomed.

  • 7+ years of experience in software engineering and development with a proven track record of API development, database integration, and providing services for UX-driven platforms.

  • Advanced in JavaScript/Typescript, and experience building and designing services with NodeJS and GraphQL.

  • Proficiency with various SQL and NoSQL Database technologies.

  • The ability to work effectively with UX, product, and engineering teams. Able to translate technical concepts into practical, user-centered applications

  • Comfortable with Front-end technologies and Frameworks like HTML, CSS, React, and NextJS

  • Comfortable with version control tools and patterns like Git, Git flow, and Github flow

  • Any Java/Kotlin, Python, ML/Data Science experience are all a bonus.

  • Strong analytical and debugging skills, with the ability to monitor and troubleshoot microservices and code efficiently.

  • Illustrated history of living the values necessary to Priceline: Customer, Innovation, Team, Accountability and Trust.

  • The Right Results, the Right Way is not just a motto at Priceline; it's a way of life. Unquestionable integrity and ethics is essential.

#LI-JB1 #LI-Hybrid

There are a variety of factors that go into determining a salary range, including but not limited to external market benchmark data, geographic location, and years of experience sought/required. In addition to a competitive base salary, certain roles may be eligible for an annual bonus and/or equity grant.

The salary range for this position is $140,000 - $160,000 CAD.

Who We Are

WE ARE PRICELINE.

Our success as one of the biggest players in online travel is all thanks to our incredible, dedicated team of talented employees. Priceliners are focused on being the best travel deal makers in the world, motivated by our passion to help everyone experience the moments that matter most in their lives. Whether it's a dream vacation, your cousin's graduation, or your best friend's wedding - we make travel affordable and accessible to our customers.

Our culture is unique and inspiring (that's what our employees tell us). We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and chaos that can come with a business that hasn't stabilized.

We're on the cutting edge of innovative technologies. We keep the customer at the center of all that we do. Our ability to meet their needs relies on the strength of a workforce as diverse as the customers we serve. We bring together employees from all walks of life and we are proud to provide the kind of inclusive environment that stimulates innovation, creativity and collaboration.

Priceline is part of the Booking Holdings, Inc. (Nasdaq: BKNG) family of companies, a highly profitable global online travel company with a market capitalization of over $80 billion. Our sister companies include Booking.com, BookingGo, Agoda, Kayak and OpenTable.

If you want to be part of something truly special, check us out!

Flexible work at Priceline

Priceline is following a hybrid working model, which includes two days onsite as determined by you and your manager (ideally selecting among Tuesday, Wednesday, or Thursday). On the remaining days, you can choose to be remote or in the office.

Perks & Benefits at Priceline

Our benefits are designed to support your health, wellbeing, and life inside and outside of work. Eligible Priceliners have access to:

Health & wellness coverage including medical, dental, vision, and mental health resources

Generous time off including PTO, holidays, a company-wide Priceline Pause reset week, and paid volunteer days

Work/life support including the ability to work up to 4 weeks per year from anywhere, parental leave, dependent care and family support resources, Summer Fridays, and office perks like stocked kitchens and catered meals (varies by location)

Financial security programs such as retirement plans with company contributions, life and disability coverage, and tax-advantaged accounts

Signature travel perks including employee-only discounts on hotels and flights, VIP deals, and Big Deal Bucks credits

Additional perks & discounts like travel and partner discounts, tuition support, legal support, and pet benefits

A people-first culture with Employee Resource Groups (ERGs), social events, recognition programs, and service awards that help you connect, grow, and celebrate together

Specific benefits and programs vary by location.

Inclusion is a Big Deal!

To be the best travel dealmakers in the world, we believe our team should reflect the broad range of customers and communities we serve. We are committed to cultivating a culture where all employees have the freedom to bring their individual perspectives, life experiences, and passion to work.

Priceline is a proud equal opportunity employer. We embrace and celebrate the unique lenses through which our employees see the world. We'd love for you to join us and help shape what makes our team extraordinary.

Applying for this position

We're excited that you are interested in a career with us. For all current employees, please use the internal portal to find jobs and apply.

External candidates are required to have an account before applying. When you click Apply, returning candidates can log in, or new candidates can quickly create an account to save/view applications.