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Front End Developer Startup Jobs in Ontario (NOW HIRING)

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Comfortable with Front-end technologies and Frameworks like HTML, CSS, React, and NextJS ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Software Engineer, Full Stack

Toronto, ON · On-site +1

  • Medical

  • Dental

  • Vision

  • Life

Fluent in one or more backend and frontend technologies and have an interest working with ... Have a startup mentality: team player, self-motivated, high-integrity, pragmatic, resourceful, can ...

Sr. Software Developer

Toronto, ON

CA$110K - CA$135K/yr

  • Medical

  • Dental

  • PTO

About You: As a fast-growing fintech, we stay true to our startup roots. You picture yourself ... Design and develop scalable, robust and secure web applications using front end (React JS) and ...

Experience with front-end web frameworks such as AngularJS, React * Experience developing ... Startup experience We work hard, but smart towards our mission as a team. We think from first ...

Experience with front-end web frameworks such as AngularJS, React * Experience developing ... Startup experience We work hard, but smart towards our mission as a team. We think from first ...

Description Rivalry is a startup uniquely positioned to disrupt the dated online gambling space ... This is a senior role working alongside the current backend and frontend software engineering team.

Description Rivalry is a startup uniquely positioned to disrupt the dated online gambling space ... This is a senior role working alongside the current backend and frontend software engineering team.

Description Rivalry is a startup uniquely positioned to disrupt the dated online gambling space ... This is a senior role working alongside the current backend and frontend software engineering team.

The Company Our client is a Toronto-based cybersecurity startup helping companies manage ... You'll design, build, and iterate across the stack; backend, frontend, and the infrastructure ...

Development Manager

Toronto, ON · Hybrid

CA$130K - CA$155K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

You will lead a full-stack engineering team (Java and Node.js backend, Node/React frontend ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Development Manager

Toronto, ON · Hybrid

CA$130K - CA$155K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

You will lead a full-stack engineering team (Java and Node.js backend, Node/React frontend ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Staff Backend Engineer

Toronto, ON

  • Medical

  • Dental

  • Vision

  • PTO

... frontend when the problem demands it. * Build AI into the product. Integrate LLMs into real ... You thrive in a startup where requirements evolve. You take a business goal and translate it into ...

Showing results 41-60

Front End Developer Startup information

See Ontario salary details

$30.5K

$120.2K

$173.5K

How much do front end developer startup jobs pay per year?

As of Aug 14, 2026, the average yearly pay for front end developer startup in Ontario is $120,226.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,000.00 and $136,500.00 per year, depending on experience, location, and employer.

What is a front end developer startup?

A Front End Developer Startup job involves building and optimizing the user interface of a web or mobile application in a fast-paced startup environment. Responsibilities include coding in HTML, CSS, and JavaScript, working with frameworks like React or Vue.js, and collaborating with designers and back-end developers. Startups often require developers to be flexible, take ownership of features, and work on rapid iterations based on user feedback. This role typically demands both technical expertise and creative problem-solving to enhance user experience.

What are the unique challenges a front end developer faces in a startup environment compared to larger companies?

Working as a Front End Developer in a startup often means tackling a wider variety of tasks, ranging from UI implementation and rapid prototyping to troubleshooting issues across the stack. You may have to adapt quickly to shifting priorities, work with minimal supervision, and frequently collaborate with designers, product managers, and sometimes even directly with back end developers or founders. The pace is fast, so flexibility and a willingness to learn on the fly are crucial. On the upside, this environment provides substantial opportunities to broaden your skill set, take ownership of features, and make a visible impact on the product’s direction.

What are the key skills and qualifications needed to thrive as a front end developer startup?

To thrive as a Front End Developer Startup, you need strong skills in HTML, CSS, JavaScript, and modern frameworks like React or Vue, often backed by a relevant degree or proven portfolio. Familiarity with version control systems like Git, as well as build tools and APIs, is essential, while certifications in web development can be beneficial. Adaptability, proactive problem-solving, and the ability to communicate effectively within a fast-paced, collaborative environment are key soft skills. These skills and qualities enable you to build responsive, user-focused interfaces and rapidly iterate while aligning with evolving startup needs.

What job categories do people searching Front End Developer Startup jobs in Ontario look for?

The top searched job categories for Front End Developer Startup jobs in Ontario are:

Infographic showing various Front End Developer Startup job openings in Ontario as of August 2026, with employment types broken down into 71% Full Time, 24% Part Time, 1% Temporary, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $120,226 per year, or $57.8 per hour.

Senior Full-Stack Developer

Priceline

Toronto, ON • Hybrid

CA$140K - CA$160K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 6 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.