ZipRecruiter

Log In

1

Senior Full Stack Web Developer Jobs in Ontario (NOW HIRING)

Optimize Financial Group

Be Seen First

Full Stack Web Developer

Toronto, ON · On-site

We are seeking a talented Full Stack Web Developer to join our Toronto-based tech team. You will be responsible for writing clean, high-quality code and collaborating with Product Managers and other ...

StackandCo

\n \n \n \n \n The Full Stack Web Developer role is a key role in supporting IT Solutions and leading project development activities. You will work on the analysis, design, development and maintenance ...

Shop Innovator

Full Stack Web Developer

Toronto, ON · On-site +1

Web Developer We are looking for a talented and reliable Web Developer to join our growing team and support multiple development projects across our brands and platforms. This role will involve ...

StackandCo

\n \n \n \n \n Full Stack Software Developer I have a open role for a Senior Full Stack Web Developer in .Net, HTML\/CSS\/Javascript, SQL Server and have some UI Experience in design. This role is ...

United States Digital Space LLC

Join Element as a Senior Full Stack Developer in Toronto, ON, and revolutionize web application design. Lead projects utilizing your expertise in modern technologies to deliver scalable solutions.

1Valet

Senior Full-Stack Developer

Toronto, ON · Remote

Senior Full-Stack Developer Location: Ottawa, ON (Remote) About the Role We are looking for a ... Angular .NET / C# (Web APIs, services) MS/Azure SQL (schema design, performance tuning ...

StackandCo

\n \n \n \n \n The successful Senior Full Stack Developer will assume ownership for a diversity of ... and building web services for clients. \n \n \n \n \n \n As well as this, you will play an ...

United States Digital Space LLC

You Are: UST is searching for a Senior Full Stack Developer - Angular with strong Front End ... This is an opportunity to work at the intersection of modern web engineering, cloud platforms, and ...

New

Trellis

Senior Full Stack Developer

Kanata, ON · On-site

We're looking for a passionate Senior Full-Stack Developer who wants to make a difference in a fast ... Web: HTML, Javascript, CSS, React * Backend: Python, Django, Postgres, Redis. * Distributed ...

StackandCo

\n \n \n \n \n Our client is looking for a talented Frontend focused, Full\-Stack Web Developer who enjoys to write high quality, clean code and has experience with multiple CMS. \n \n \n \n \n \n Key ...

Carlos Goncalves

This is a Lead Developer role, with a university research group, working on a new product - design ... Design and develop modern full-stack web applications using Python and React or Next.js. * Build ...

next page

Showing results 1-20

All JobsFull Stack Web Developer JobsSenior Full Stack Web Developer JobsSenior Full Stack Web Developer Jobs in Ontario

Senior Full Stack Web Developer information

What is a senior full stack web developer?

A Senior Full Stack Web Developer is an experienced software professional who designs, develops, and maintains both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to build user interfaces, server-side logic, databases, and APIs. Senior-level developers also often lead teams, make architectural decisions, and mentor junior developers. Their expertise ensures that web applications are scalable, secure, and efficient from end to end.

What are the key skills and qualifications needed to thrive as a senior full stack web developer?

To thrive as a Senior Full Stack Web Developer, you need advanced proficiency in both front-end (e.g., JavaScript, React, HTML/CSS) and back-end (e.g., Node.js, Python, databases) technologies, typically backed by a computer science degree or equivalent experience. Expertise with version control systems like Git, cloud platforms (AWS, Azure), and familiarity with CI/CD pipelines or relevant certifications are highly valuable. Strong problem-solving, leadership, and communication skills help you effectively collaborate and mentor junior developers. These skills are crucial for delivering robust, scalable applications and leading projects across diverse technical and team environments.

How does a senior full stack web developer typically collaborate with cross-functional teams on large-scale projects?

Senior Full Stack Web Developers frequently work alongside designers, product managers, QA engineers, and other developers to deliver feature-rich web applications. They participate in sprint planning, code reviews, and architectural discussions, ensuring alignment between front-end and back-end solutions. Effective communication is crucial, as they often translate technical concepts for non-technical stakeholders and help integrate feedback from different departments. This collaborative approach not only improves product quality but also provides valuable leadership opportunities within the development team.

What is the difference between Senior Full Stack Web Developer vs Front End Developer?

AspectSenior Full Stack Web DeveloperFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, including JavaScript, HTML, CSS, server-side languages, databasesExpertise in HTML, CSS, JavaScript, and front-end frameworks like React or Angular
Work EnvironmentFull-stack development teams, both client and server-side projectsPrimarily UI/UX design, front-end frameworks, and client-side scripting
Common UsageUsed across startups, tech companies, and agencies requiring comprehensive development skillsUsed in projects focusing on user interface, visual design, and user experience

The main difference between a Senior Full Stack Web Developer and a Front End Developer lies in scope. The senior full stack role covers both front-end and back-end development, requiring broader skills and experience, while the front end developer specializes in creating and optimizing the user interface and experience.

What are the most commonly searched types of Full Stack Web Developer jobs in Ontario?

The most popular types of Full Stack Web Developer jobs in Ontario are:

What are popular job titles related to Senior Full Stack Web Developer jobs in Ontario?

For Senior Full Stack Web Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Full Stack Web Developer jobs in Ontario look for?

The top searched job categories for Senior Full Stack Web Developer jobs in Ontario are:

What cities in Ontario are hiring for Senior Full Stack Web Developer jobs?

Cities in Ontario with the most Senior Full Stack Web Developer job openings:

Senior Full Stack Web Developer jobs near you
Infographic showing various Senior Full Stack Web Developer job openings in Ontario as of August 2026, with employment types broken down into 77% Full Time, 16% Part Time, 1% Temporary, and 6% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution.

Full Stack Web Developer

Toronto, ON • On-site

Optimize Financial Group
See more jobs at Optimize Financial Groupexternal

Full-time

Posted 8 days ago

Be Seen First

After you apply to this job, you can share why you’re interested to jump to the top of the candidate list.

Job description

About Optimize Wealth Management: Optimize Wealth Management is a premier portfolio management firm that believes technology can make financial management simpler, more transparent, and more cost-effective. We are looking for a skilled Developer to help build and maintain our cutting-edge wealth management platform.


The opportunity: We are seeking a talented Full Stack Web Developer to join our Toronto-based tech team. You will be responsible for writing clean, high-quality code and collaborating with Product Managers and other developers to build and enhance our software products. This is a full-time, on-site role (Monday to Friday, 8:30 a.m. to 5:30 p.m.).


Key responsibilities:

  • Design, develop, and maintain software applications for the Optimize platform.
  • Work with Product Managers to define and refine feature requirements.
  • Write clean, efficient, and well-documented code.
  • Participate in code reviews to maintain high-quality standards.
  • Troubleshoot, debug, and resolve technical issues.
  • Stay up-to-date with emerging technologies and best practices.


Qualifications:

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field.
  • Minimum of 3 years of experience in software development.
  • Proficiency in at least one modern programming language (e.g., Python, JavaScript, Java).
  • Experience with front-end (e.g., React, Angular) and/or back-end technologies.
  • Experience with database systems (e.g., SQL, NoSQL).
  • Familiarity with Agile development methodologies.


Use of Artificial Intelligence in Recruitment

As part of our recruitment and selection process, we may use technology-enabled tools, including artificial intelligence (AI), to assist with certain aspects of candidate screening, assessment, scheduling, and application review. All hiring decisions are ultimately made by qualified individuals and are based on job-related criteria, qualifications, and business requirements.