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Senior Web Developer Jobs in Innisfil, ON (NOW HIRING)

Autodesk

Senior AI Developer

Toronto, ON · On-site

... Senior AI Developer Position Overview The team is looking for a Principal Software Developer. You ... Excellent knowledge of REST API standards, Graph and web services * Experience taking requirements ...

Lifeworks

Senior Frontend Developer

Toronto, ON · On-site

CA$85K - CA$110K/yr

Design, code, test, and debug cutting-edge web applications using Angular, modern web technologies, and relational databases * Collaborate with designers and back-end developers to translate UI/UX ...

Rogers Communications

Sr. Developer

Toronto, ON · On-site

Senior Developers are responsible for server-side development of next generation products and ... Soap Web services, Spring framework and Spring Boot, Kafka, Git, Maven, Nexus, Bitbucket ...

Rogers Communications

Sr. Developer

Brampton, ON · On-site

Senior Developers are responsible for server-side development of next generation products and ... Soap Web services, Spring framework and Spring Boot, Kafka, Git, Maven, Nexus, Bitbucket ...

Rogers Communications

Sr. Developer

Brampton, ON · On-site

Senior Developers are responsible for server-side development of next generation products and ... Soap Web services, Spring framework and Spring Boot, Kafka, Git, Maven, Nexus, Bitbucket ...

Konrad

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 ...

Rumble - Career Page

Senior Front-End Engineer

Toronto, ON · On-site +1

CA$150K - CA$179K/yr

Rumble is seeking a Senior Front-End Engineer to help evolve and scale the core web experiences across our platform, including video pages, listings, and short-form content surfaces. This is a senior ...

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Senior Web Developer information

What is a senior web developer?

A senior web developer is a highly skilled computer coding professional with fluency in languages such as HTML, JavaScript, and CSS. In this career, your responsibilities include designing, developing, and debugging the backend of software programs for websites, applications, tools, and databases. You also work with JavaScript frameworks, develop tests using testing frameworks, help build and deploy automation scripts, troubleshoot, and resolve app performance issues. As a senior web developer, you may supervise a team of developers and collaborate with user experience designers to determine what the frontend user experience and website layout will look like during the design phase. Other duties may include enforcing coding standards, reviewing the work completed by your team, managing the budget and project schedule, and communicating directly with clients.

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

To thrive as a Senior Web Developer, you need advanced proficiency in programming languages like JavaScript, HTML, CSS, and backend frameworks, supported by a bachelor’s degree in computer science or equivalent experience. Expertise in tools such as version control (Git), CI/CD pipelines, and knowledge of modern frameworks (React, Angular, Node.js) are typically required, along with relevant certifications. Strong problem-solving ability, effective communication, and leadership skills help you collaborate across teams and mentor junior developers. These competencies ensure high-quality, scalable web solutions and support successful project delivery in dynamic development environments.

What are some common challenges faced by senior web developers when leading project teams?

Senior Web Developers often encounter challenges such as balancing hands-on coding responsibilities with mentoring junior team members and ensuring project deadlines are met. They must also navigate evolving technologies and frameworks, which requires ongoing learning and adaptability. Effective communication with designers, backend developers, and project managers is essential to align technical solutions with business goals. Successfully managing these aspects leads to smoother project delivery and professional growth.

What is the difference between Senior Web Developer vs Web Developer?

AspectSenior Web DeveloperWeb Developer
Required CredentialsBachelor's in CS or related, experience, possibly certificationsBachelor's in CS or related, entry-level or junior experience
Work EnvironmentCollaborates on complex projects, mentors juniorsDevelops websites, learns on the job, less responsibility
Employer & Industry UsageTech companies, agencies, startupsSmall businesses, startups, freelance projects
Search & Comparison IntentUnderstanding senior roles, career progressionEntry-level, learning web development

The main difference between a Senior Web Developer and a Web Developer lies in experience, responsibilities, and expertise. Senior Web Developers handle complex projects, mentor team members, and often have more advanced skills and certifications. Web Developers are typically entry-level or junior roles focused on building websites and gaining experience. Both roles are essential in the tech industry, but the senior position involves greater leadership and technical depth.

More about Senior Web Developer jobs

What are the most commonly searched types of Web Developer jobs in Innisfil, ON?

The most popular types of Web Developer jobs in Innisfil, ON are:

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For Senior Web Developer jobs in Innisfil, ON, the most frequently searched job titles are:

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Cities near Innisfil, ON with the most Senior Web Developer job openings:

Senior Web Developer jobs near you
Infographic showing various Senior Web Developer job openings in Innisfil, ON as of August 2026, with employment types broken down into 80% Full Time, 13% Part Time, 1% Temporary, and 6% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution.

Senior Software Developer (Remote First)

Zensurance

Toronto, ON • Remote

CA$104K - CA$145K/yr

Full-time

Re-posted 9 days ago

Job description

About Us:
Zensurance is redefining commercial insurance for Canadian businesses. 
 
As a leading InsurTech, we make getting the right coverage simple, fast, and accessible through a digital-first experience. Our platform combines advanced technology with deep industry expertise to deliver tailored insurance solutions that help businesses thrive.
 
Zensurance has been recognized for its rapid growth and industry impact:
 
Deloitte's Technology Fast 50 (2023, 2024, 2025)
Deloitte's Technology Fast 500 (2024, 2025)
Top Insurance Employers (2022)
 
At Zensurance, we value ownership, collaboration, and innovation. Our team thrives on solving complex challenges, challenging the status quo, and making a real impact in an industry ready for change. 
 
If you're looking to build something meaningful in a fast-growing, customer-focused company, we'd love to hear from you!

We are looking for a Senior Software Developer to join our Business Acquisition Tooling (BAT) team!
 
The BAT team is responsible for the Business Acquisition part of our process. This includes developing and maintaining our customer-facing app as well as maintaining the Quote domain (this is a central part of all of our processes). As a Senior Developer, you will utilize your technical expertise to hold high standards when implementing new features, mentor junior developers and align with our culture of iterative, autonomous development and deployment. Your primary focus will be on addressing security and scalability considerations, collaborating closely with the Product Manager, Engineering Manager and other developers to devise and implement systems and processes that enable the team to achieve its goals.

This is a remote-first role within Canada. #LI-Remote

Responsibilities:

  • Take ownership of the development of custom features and drive their technical implementation.

  • Act as the Subject Matter Expert for the team's domain and drive its technical direction.

  • Suggest, design, implement, test and monitor features and functionalities.

  • Facilitate cross-team collaboration in accordance with established best practices and Agile methodology.

  • Evangelize proper software architecture and development paradigms.

  • Collaborate with project stakeholders and the development team to design and build scalable, user-friendly systems for our customers, and in-house tooling.

  • Discuss strategy and outline tradeoffs of potential software solutions.

  • Develop, test, and maintain codebase within the team's domain.

  • Write clean, maintainable, and scalable code.

  • Contribute to knowledge sharing of new technologies and solutions which fall within the team's area of expertise.

  • Offer guidance and mentorship to junior and intermediate team members.

  • Develop and maintain documentation for new and existing features and integrations.

  • Develop an understanding of company goals.

  • Perform other duties as assigned.

Qualifications:

  • University degree or college diploma in a recognized technical, vocational, or academic program (preferably in Engineering or Computer Science) or equivalent work experience.

  • 5+ years building rich, complex web applications.

  • Experience architecting and augmenting large software systems.

  • Extensive fullstack experience with Nodejs/AWS/Reactjs and the TypeScript ecosystem.

  • Experience with back-end development using NestJS.

  • Experience working with TypeORM.

  • Experience working with PostgreSQL.

  • Understanding of web security best practices and data protection.

  • Knowledge of containerization using Docker and orchestration with Kubernetes.

  • A passion for clean, reusable, and well-structured code.

  • Ability to communicate efficiently.

  • Ability to mentor, coach, and work with others collaboratively.

  • A commitment to continuous improvement, continuous learning, and knowledge sharing.

Nice to have:

  • Experience with microservices and microfrontends.

  • Experience with or knowledge of gRPC.

  • Experience with cacheing and queueing using Redis or similar technologies.

  • Experience working with MongoDB is an asset.

$104,000 - $145,000 a year
The salary range for this role is $104,000 to $145,000, not including the annual discretionary bonus and any additional performance-based incentives.
 
The annual base salary range provided for this position is a nationwide market range and represents a broad range of salaries for this role across the country. The actual salary for this position will be determined by a number of factors, including the scope, complexity and location of the role; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. As part of our comprehensive compensation and benefits program, employees may also be eligible for performance-based case incentive awards.
Join Our Engineering Team - Where Growth Meets Innovation
 
At Zensurance, we believe engineering is more than just writing great code. It's about learning, growing, and building something meaningful together. Our remote-first team is a place where you'll be challenged, supported, and encouraged to thrive. Here's what makes our team special:
 
A Leadership Team That's Got Your Back
Our experienced and approachable engineering leaders aren't just here to manage - they're here to mentor, guide, and help you unlock your full potential.
 
Fuel Your Growth
We invest in your learning with training budgets, professional development programs, and mentorship opportunities. Want to explore a new tech stack or level up your skills? We can help get you there.
 
A Culture of Sharing & Support
From Power-Ups and book clubs to tech talks and hackathons, we believe in learning from each other. Have a cool idea or an interesting challenge? Let's solve it together.
 
  Hack, Build, and Innovate
Twice a year, we hit pause on our regular work for company-wide hackathons, giving you the chance to experiment, push boundaries, and build something awesome.
 
Clear Career Growth, No Guesswork
We don't do vague career paths. Our well-defined growth tracks show you exactly what's needed to take your career to the next level, in a way that aligns with your skills and ambitions.
 
And the best part? You'll work on exciting projects using cutting-edge technologies like TypeScript, NestJS microservices, and micro-frontends with React. If you're looking for a team that values learning, collaboration, and impactful work, we'd love to meet you!
 
Benefits & Perks at Zensurance:
 
At Zensurance, we know that when our people thrive, so does our business. That's why we offer a flexible, people-first work environment designed to support your well-being, growth, and success.
 
Work Your Way
 
Remote-first setup for added flexibility 
Home office allowance to create a comfortable workspace
Top-tier tech: "Office in a box" with all necessary tech equipment
Half days before public holidays: Enjoy half days before long weekends
 
Your Health, Your Way
 
Flexible health and dental plans for families, including mental health support
Health & personal spending accounts to invest in wellness your way
Parental leave top-up, because family comes first
 
Investing in Your Growth
 
Education assistance reimbursement for courses, conferences, books, and memberships
Opportunities to learn from industry experts and grow your career
 
Staying Connected
 
Weekly Friday huddles to share updates and connect across teams
Virtual & in-person team-building events to strengthen our culture
 
We're building something special. Come be a part of it!
 
Who We Are:
 
Business is hard work, but insurance doesn't have to be!
 
We empower business owners with simple, tech-driven insurance solutions through our online platform. 
 
Our success is fueled by our team-oriented culture and four core values:
 
DELIVER - We set ambitious goals and achieve them.
INCLUDE - We foster an open and safe space for all.
INTEGRITY - We do what's right.
INVENT - We create straightforward, innovative solutions.
 
AI Tools and Your Interview:
 
We know AI is a valuable tool, and you're welcome to use it to prepare for your interview. However, please don't use AI assistants during the live interview itself. We want to have an authentic conversation with you, and using AI during the interview could affect our evaluation of your suitability for the role.
 
Just so you know, we use an AI scribe to help us take notes and review interviews, ensuring a fair and clear process.
 
Diversity & Inclusion:
 
Zensurance celebrates diversity and is committed to creating an inclusive environment. We welcome applications from all backgrounds and provide accommodations throughout the hiring process. If you need support, let us know, we're here to help.
 
Thank You!
 
We review every application with care to find the best fit for our team.
 
While we may take a little time to get back to you due to the high volume of applications we receive, know that a real human (not a bot!) is reviewing yours. We appreciate your patience and can't wait to learn more about you!
 
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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