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Developer Startup Jobs in Waterloo, ON (NOW HIRING)

Bridgeport Crew

UI Developer

Kitchener, ON

CA$50K - CA$80K/yr

Information Technology More about this job > Description About Us: We're a bootstrapped healthcare SaaS startup building a web platform from the ground up. As our first UI developer, you'll have the ...

Friendlier

Lead Software Developer

Guelph, ON · On-site +1

Lead Software Developer Location: Remote (Candidate must reside in Canada) Hiring Range: $100,000 ... Proven track record of success in a startup or scale up environment * Strong technical leadership ...

Sun Life Financial

Engineering Manager

Waterloo, ON · Remote

The Role Prospris Sun Life's digital front door for Canadians - startup velocity inside a Fortune ... As Engineering Manager,you'reaccountable for a single squad's delivery, people development, and ...

Sun Life Financial

Engineering Manager

Waterloo, ON · Remote

The Role Prospris Sun Life's digital front door for Canadians - startup velocity inside a Fortune ... As Engineering Manager,you'reaccountable for a single squad's delivery, people development, and ...

Planitar

Embedded Vision Developer

Waterloo, ON · On-site

ABOUT THE ROLE As an Embedded Vision Developer, you will join a tight-knit engineering team ... Self-motivated, proactive, and comfortable working in a fast-paced, dynamic startup environment ...

Planitar

Embedded Vision Developer

Waterloo, ON · On-site

ABOUT THE ROLE As an Embedded Vision Developer, you will join a tight-knit engineering team ... Self-motivated, proactive, and comfortable working in a fast-paced, dynamic startup environment ...

Clera

Founding Engineer ($3M pre-seed)

Waterloo, ON · Remote

Startup mindset - high agency, resourceful, and obsessed with creating value Who You Are : * Take ... Be engineer #4 - your decisions will shape the entire product * True ownership, no micromanagement ...

Kash

Full Stack Engineer (Waterloo)

Waterloo, ON · On-site

... programming and memory management Previous startup experience Why you should join us ... Opportunity to be one of the first employees of a fast growing and promising startup Work on ...

Planitar Inc

Senior Embedded Developer

Waterloo, ON

ABOUTTHEROLE As a Senior Embedded Developer, you will join a tight- knit engineering team building ... Self-motivated, proactive, and comfortable working in a fast-paced, dynamic startup environment ...

Planitar

Senior Embedded Developer

Waterloo, ON · On-site

ABOUTTHEROLE As a Senior Embedded Developer, you will join a tight- knit engineering team building ... Self-motivated, proactive, and comfortable working in a fast-paced, dynamic startup environment ...

Planitar

Senior Embedded Developer

Waterloo, ON · On-site

ABOUT THE ROLE As a Senior Embedded Developer, you will join a tight- knit engineering team ... Self-motivated, proactive, and comfortable working in a fast-paced, dynamic startup environment ...

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Showing results 1-20

All JobsDeveloper Startup JobsDeveloper Startup Jobs in Waterloo, ON

Developer Startup information

See Waterloo, ON salary details

$27.5K

$118.8K

$217.2K

How much do developer startup jobs pay per year?

As of Aug 10, 2026, the average yearly pay for developer startup in Waterloo, ON is $118,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,513.00 and $142,651.00 per year, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a developer startup?

To thrive as a Developer at a startup, you need strong coding abilities, familiarity with agile development methodologies, and a solid understanding of software engineering principles, often evidenced by a degree in computer science or related field. Experience with modern programming languages, cloud platforms, version control systems like Git, and sometimes full-stack or DevOps tools is highly valued. Resourcefulness, adaptability, and effective communication are vital soft skills in the fast-paced startup environment. These skills and qualities are essential for rapidly building and iterating products, collaborating with small teams, and responding swiftly to changing business needs.

What unique challenges do developers face when working at a startup compared to larger companies?

Developers at startups often handle a wider range of responsibilities, from designing system architecture to fixing urgent bugs, due to smaller team sizes and limited resources. The work environment tends to be fast-paced and dynamic, with priorities and product goals that can rapidly change in response to user feedback or market needs. This means developers must be adaptable, self-driven, and comfortable with ambiguity, frequently multitasking and picking up new technologies as needed. However, this also creates significant opportunities for professional growth, hands-on experience with various technologies, and a direct impact on the product and company’s success.

What is a developer startup?

A Developer Startup job typically involves building and scaling software products for early-stage companies. Developers in startups often work across multiple areas, including frontend, backend, and infrastructure, due to smaller team sizes. They need to adapt quickly, solve complex problems, and collaborate closely with founders and other team members. The role may also involve rapid prototyping, optimizing code for scalability, and integrating new technologies as the business evolves. It's a dynamic position that requires flexibility, creativity, and a strong problem-solving mindset.

What job categories do people searching Developer Startup jobs in Waterloo, ON look for? The top searched job categories for Developer Startup jobs in Waterloo, ON are:
Developer Startup jobs near you
Infographic showing various Developer Startup job openings in Waterloo, ON as of August 2026, with employment types broken down into 75% Full Time, 10% Part Time, 1% Temporary, and 14% Contract. Highlights an 78% Physical, 6% Hybrid, and 16% Remote job distribution, with an average salary of $118,801 per year, or $57.1 per hour.

Senior Software Engineer / Software Developer (React Native)

PlayStation Global

Waterloo, ON

Full-time

Posted 17 days ago

Job description

Senior Software Engineer / Software Developer (React Native) 

Build what's next for players.

We're a startup inside Sony PlayStation. Fast-moving, experimental, and highly ambitious. Backed by the scale, resources, and trust of Sony Interactive Entertainment. We're building new mobile and web experiences that help gamers connect, discover, and play together in better ways. This is a rare opportunity to design at startup speed and drive huge impact inside the largest gaming company in the world.

We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the architecture, frameworks, and technical best practices.

You will collaborate closely with engineers, product, and design teams to deliver best-in-class user interfaces that are performant, accessible, and delightful at scale. As a Senior Engineer, you will provide technical leadership across teams, mentor engineers, and push the boundaries of what's possible in cross-platform frontend development.

Responsibilities

  • Define and evolve the frontend architecture for client applications on mobile using React Native and modern JavaScript/TypeScript.
  • Drive performance optimizations and best practices for rendering, startup time, and UI responsiveness.
  • Design and integrate custom native modules (Native Android or Native iOS) and optimize cross-platform interoperability.
  • Partner with product managers, designers, and researchers to translate user experience requirements into elegant, maintainable solutions.
  • Establish coding standards, testing strategies, and development patterns that raise the quality bar for frontend engineering.
  • Mentor engineers and act as a multiplier for frontend development expertise across the broader team.
  • Investigate new frontend technologies, frameworks, and performance techniques, and guide their adoption when appropriate.
  • Represent frontend/OS needs in technical and architectural discussions.

Requirements

  • 5+ years of software development experience, with significant experience building React Native apps or high-performance JavaScript/TypeScript applications.
  • BS/MS degree in Computer Science or equivalent.
  • Expertise in native Android development (Kotlin/Java/Gradle) and shipping applications to the Google Play Store.
  • Strong expertise in frontend performance profiling, optimization, and debugging.
  • Passion for delivering world-class user interfaces with exceptional performance.
  • Deep understanding of cross-platform architecture and how to bridge between JS and native modules.
  • Proven track record of delivering production-quality mobile or desktop applications with React Native.
  • Experience designing scalable frontend architectures and reusable UI frameworks.
  • Strong collaboration skills and ability to work closely with native engineers, designers, and product managers.
  • Demonstrated technical leadership: leading projects, mentoring engineers, or setting engineering strategy.

Bonus

  • A track record of building social, community, gaming, or other consumer products.
  • Familiarity with VoIP, call dialing and ringing flows in Android/React Native
  • Experience with accessibility, internationalization, and UI testing frameworks. 
  • Familiarity with CI/CD pipelines and modern build systems for frontend development.
  • Previous experience at an early-stage startup or on a zero-to-one product team.

Apply