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Senior Full Stack Developer Jobs in Waterloo, ON

Manulife

Associate Full Stack Software Engineer

Waterloo, ON · Hybrid

CA$69K - CA$115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are investing heavily in developer experience, enabling advanced AI-driven development and ... Work with product owners, architects and senior engineers across the full software development ...

Pagefreezer

Senior Software Developer (Remote)

Waterloo, ON · Remote

CA$110K - CA$145K/yr

  • Medical

  • Retirement

  • PTO

What You'll Do as a Senior Software Developer * Design & Scale Robust Architecture: Develop and ... Full-Stack Programming Polyglot: Advanced proficiency in modern languages like Python and ...

Faire

Senior Applied AI/ML Scientist - Compass

Kitchener, ON · On-site

CA$180K - CA$247K/yr

You will set the data-grounded direction for how the assistant works, while also being a full-stack ... Make pragmatic engineering choices : simple enough to ship now, designed to evolve - not over ...

Proton

Senior Database Platform Engineer

Paris, ON

  • Medical

  • Retirement

Own performance tuning across the full stack - hardware, OS, storage, network, and query level ... engineering standards Who You Are * 5+ years of hands-on experience operating highly available ...

Encircle

Senior Product Designer

Kitchener, ON · Remote

CA$100K - CA$112K/yr

Senior Product Designer Remote-first (Canada) Collaboration Hub - Kitchener/Waterloo, ON Reports to ... engineering - you're involved through release. * Design across our full stack: Web, Mobile, and ...

Targeted Talent

Intermediate .Net Developer

Waterloo, ON · Remote

$80K - $120K/yr

  • Medical

  • Dental

We are looking for an experienced Senior .Net Developer for our client. This is a permanent position that is remote, or based in their office in Vancouver. Our client is an Enterprise company that ...

Targeted Talent

Intermediate .Net Developer

Kitchener, ON · Remote

$80K - $120K/yr

  • Medical

  • Dental

We are looking for an experienced Senior .Net Developer for our client. This is a permanent position that is remote, or based in their office in Vancouver. Our client is an Enterprise company that ...

Targeted Talent

Intermediate .Net Developer

Waterloo, ON · Remote

$80K - $120K/yr

  • Medical

  • Dental

We are looking for an experienced Senior .Net Developer for our client. This is a permanent position that is remote, or based in their office in Vancouver. Our client is an Enterprise company that ...

Targeted Talent

Intermediate .Net Developer

Kitchener, ON · Remote

$80K - $120K/yr

  • Medical

  • Dental

We are looking for an experienced Senior .Net Developer for our client. This is a permanent position that is remote, or based in their office in Vancouver. Our client is an Enterprise company that ...

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All JobsFull Stack Developer JobsSenior Full Stack Developer JobsSenior Full Stack Developer Jobs in Waterloo, ON

Senior Full Stack Developer information

See Waterloo, ON salary details

$48K

$117.6K

$171.1K

How much do senior full stack developer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for senior full stack developer in Waterloo, ON is $117,625.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,965.00 and $135,658.00 per year, depending on experience, location, and employer.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

How does a senior full stack developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are the key skills and qualifications needed to thrive as a senior full stack developer, and why are they important?

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

What is a senior full stack developer?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.

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

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

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

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

Senior Full Stack Developer jobs near you
Infographic showing various Senior Full Stack Developer job openings in Waterloo, ON as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 11% Part Time, 1% Temporary, 5% Contract, and 1% Nights. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $117,625 per year, or $56.6 per hour.

Full Stack Engineer (Waterloo)

Kash

Waterloo, ON

Full-time

Re-posted 21 days ago

Job description

Our Mission Credit cards are an invention of the 1950s. Every payment 'innovation' since then has been built on top of a pre-mobile architecture while taxing both consumers and businesses alike. At Kash, we are on a mission to make payments better, faster, and safer.

Come chat with us if this sounds like a worthy cause. Show us what what you're passionate about. Kash is a Y Combinator company.

The Former CEO of Visa is the chair of our board. We have a diverse team of people with complementary skills. Our team includes people from Ropes & Gray, Microsoft, OANDA, Morgan Stanley, Well.ca, Miovision, and YC alum

We have offices in San Francisco and Waterloo. What we are working on: Payment Infrastructure - Node.js, some Python in tools, PostgreSQL, Cassandra, Docker, Kubernetes, GCE/AWS Fraud Detection Algorithm Credit Risk Assessment Cryptographic Security Web Payment UX - Angular.js, React Mobile Payment - Objective-C for iOS, Android Phabricator for code reviews and Jenkins for CI We're dedicated to achieving our mission and will use whatever technology that's best to help us get there What we are looking for: We want people who believe in our mission We believe the most important skill is your ability to learn Ability to take ownership of things, learn what's necessary and get things done Ability to communicate well, ask clarifying questions, ask for help early and not get stuck Bonus points: Understands the payment pain. Want to make finance work better for everyone

Shipped quality stuff before Experience in utilizing tests to help you speed up development and its quality Experience with multithreaded 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 something that will really change the world Competitive salary and meaningful equity Flat org chart Solve difficult yet interesting problems State of the art equipment for your work station. We believe in giving our engineers the best tools to do their job.

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