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Web Developer Startup Jobs in Ontario (NOW HIRING)

Proof

Senior Full-Stack Developer (Canada)

Waterloo, ON · Remote

CA$155K - CA$175K/yr

About the Role Proof is a fast-growing startup at the forefront of legal technology, offering a ... high-performance web applications. * Familiarity with database management (SQL/NoSQL), and ...

Trellis

Senior Full Stack Developer

Kanata, ON · On-site

... startup. We are a B2B SaaS company that provides an AI-powered software platform for eCommerce ... Web: HTML, Javascript, CSS, React * Backend: Python, Django, Postgres, Redis. * Distributed ...

HireValues

Engineering Manager, Applications

Toronto, ON · On-site

... web services, applications, and API's Proven experience as a Senior Full Stack Engineer or similar ... startup-like development environment. Passion and drive to help the team improve and deliver great ...

PlayStation Global

Product Manager

Waterloo, ON

We're a startup inside Sony PlayStation: fast-moving, experimental, and highly ambitious, while ... We're building new mobile and web experiences that help gamers connect, discover, and play together ...

Priceline

Associate Software Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Comfort and experience with Spring Frameworks, Web Services and APIs. * 1+ years of experience with ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

New

Priceline

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Comfort and experience with Spring Frameworks, Web Services and APIs. * Experience in Microservices ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Priceline.com LLC

Associate Software Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Comfort and experience with Spring Frameworks, Web Services and APIs. * 1+ years of experience with ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

New

Priceline.com LLC

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Comfort and experience with Spring Frameworks, Web Services and APIs. * Experience in Microservices ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Priceline

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Comfort and experience with Spring Frameworks, Web Services and APIs. * Experience in Microservices ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Priceline.com LLC

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Comfort and experience with Spring Frameworks, Web Services and APIs. * Experience in Microservices ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Fastbreak AI

Senior Software Engineer

London, ON · On-site

As a Senior Full Stack Engineer, you'll design and ship high-performance web applications across ... Be part of a fast-growing startup with an agile and dynamic environment. * Collaborate with top ...

New

Fastbreak AI

Senior Software Engineer

London, ON · On-site

As a Senior Full Stack Engineer, you'll design and ship high-performance web applications across ... Be part of a fast-growing startup with an agile and dynamic environment. * Collaborate with top ...

New

Basetwo

Software Engineer, Full Stack

Toronto, ON · On-site +1

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

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Showing results 41-60

All JobsWeb Developer Startup JobsWeb Developer Startup Jobs in Ontario

Web Developer Startup information

See Ontario salary details

$27K

$106.2K

$175.5K

How much do web developer startup jobs pay per year?

As of Sep 12, 2026, the average yearly pay for web developer startup in Ontario is $106,182.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $128,500.00 per year, depending on experience, location, and employer.

What is a web developer startup?

A Web Developer Startup job involves designing, coding, and maintaining websites or web applications for a newly founded company. Developers in startups often work in fast-paced environments, handling both front-end and back-end development, troubleshooting issues, and optimizing performance. They may also collaborate closely with designers, product managers, and founders to shape the company's online presence. Unlike larger companies, startup developers often wear multiple hats and must quickly adapt to evolving priorities.

What are the typical responsibilities of a web developer in a startup environment?

Web Developers in startups typically handle end-to-end development, including designing, coding, testing, and deploying web applications or websites. You may collaborate closely with designers, product managers, and other team members, contributing ideas and adapting quickly to changing project requirements. The role often involves balancing rapid prototyping with writing stable, maintainable code, and may require learning new technologies on the fly. This dynamic environment provides opportunities to take on more responsibility, grow your skill set, and have a direct impact on the product’s success from an early stage.

What are the key skills and qualifications needed to thrive in the web developer startup position, and why are they important?

To thrive as a Web Developer Startup, you need strong proficiency in web technologies such as HTML, CSS, JavaScript, and back-end frameworks, often supported by a degree in computer science or relevant experience. Familiarity with tools like Git, cloud platforms, and frameworks like React or Node.js, along with knowledge of version control and agile development practices, is commonly expected. Strong problem-solving abilities, adaptability, effective communication, and a proactive, entrepreneurial mindset are highly valued. These skills are crucial due to the fast-paced, multifaceted nature of startup environments, where team members often wear multiple hats and drive innovation.

What are popular job titles related to Web Developer Startup jobs in Ontario?

For Web Developer Startup jobs in Ontario, the most frequently searched job titles are:

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

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

Web Developer Startup jobs near you
Infographic showing various Web Developer Startup job openings in Ontario as of September 2026, with employment types broken down into 2% Internship, 86% Full Time, 8% Part Time, 1% Temporary, and 3% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $106,182 per year, or $51 per hour.

Senior Full-Stack Developer (Canada)

Waterloo, ON • Remote

Proof
Manufacturing • 1 - 10 employees
Learn more about Proofexternal

CA$155K - CA$175K/yr

Full-time

Medical, Dental, Life

Re-posted 7 days ago

Job description

**Candidates must currently reside in Canada to be considered for this opportunity**
About Proof

We're Proof, a high growth company in the legal tech industry founded in 2017. We've built a best-in-class legal services platform used by thousands of law firms with a sustained average growth rate of over 10%. Our marketplace platform helps law firms and pro se parties access more efficient, transparent, and accessible legal services that are not traditionally available to everyone. Our primary services are Service of Process and E-Filing. We currently support over 3,000 law firms throughout the US and countless pro se parties.

We welcome people from all backgrounds who seek the opportunity to help build a future where access to legal services is readily available, affordable, and efficient. Work with us if you have the curiosity, passion, and collaborative spirit to achieve the fundamental change in an outdated industry.

About the Role

Proof is a fast-growing startup at the forefront of legal technology, offering a best-in-class platform trusted by thousands of law firms across the U.S. Our platform is growing rapidly, with a 10% month-over-month growth, and we are seeking a skilled and motivated Senior Full-Stack Developer to join our talented engineering team as we scale and expand.

What You'll Do
  • Collaborate with our team to design, develop, and maintain both frontend and backend components of the Proof platform, ensuring a seamless and responsive user experience
  • Backend development using Go (Golang), creating and optimizing APIs, database usage, and core backend infrastructure.
  • Implement modern, user-friendly interfaces using React and TypeScript, ensuring the platform meets high standards of performance, scalability, and maintainability.
  • Identify and resolve performance bottlenecks, scalability challenges, and security risks across the entire stack.
  • Work closely with cross-functional teams, including Product, and Design to deliver high-impact features and improvements within an agile development environment.
  • Conduct thorough code reviews, uphold best practices, and contribute to a culture of technical excellence. Provide mentorship and guidance to less experienced developers when required.
  • Contribute to the ongoing evolution of the platform by identifying areas for improvement and proactively suggesting and implementing new technologies and methodologies.
What You Bring
  • 5+ years of full-stack development experience, demonstrating proficiency in both frontend and backend systems and services, with a strong emphasis on building scalable and maintainable applications.
  • Proven experience with Go (Golang) or other modern programming languages (e.g., Node.js, Python, Ruby, C#) in production environments, particularly in designing and implementing robust APIs and backend systems.
  • Solid understanding of frontend development using React and TypeScript, with experience building responsive, high-performance web applications.
  • Familiarity with database management (SQL/NoSQL), and experience integrating databases with backend systems.
  • Strong knowledge of RESTful services, with exposure to GraphQL being an advantage.
  • Experience with automated testing and CI/CD pipelines, ensuring high-quality, reliable code.
  • Excellent problem-solving skills, with the ability to debug, optimize, and refactor complex systems.
  • Strong communication and collaboration skills, with experience working in remote teams and an agile environment.
  • A proactive, self-driven mindset with a desire to continuously learn and improve.
  • Familiar with agentic coding.
Compensation and Benefits
  • Full-time, salaried position
  • Salary range $155,000 - $175,000 CAD based on experience and location
  • Remote role from Canada
  • Flexible time off and holidays to support work-life balance
  • Company-provided equipment and tools
  • Comprehensive benefits package, including healthcare, dental, life, and long-term disability