Mississauga, On Senior javascript full stack Jobs – 129 Openings This Week

Senior Software Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- DevOps
- AWS
Senior AI Engineer, (Global Security)
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Research
- Databases
7d
Senior Software Engineer, Content Cards
Braze —Toronto, ON
- $153,815–$308,400 a year
- System design
- JavaScript
- Organizational skills
- Dental care
- Paid time off
Quick apply
QA Engineer
MinuteBox —Toronto, ON
- Full-time
- Hybrid work
- JavaScript
- APIs
- Communication skills
Quick apply

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Senior AI Engineer, (Global Security)
Royal Bank of Canada —Toronto, ON
We're looking for a talented Senior AI Engineer with deep expertise in Python programming and applied AI systems who will drive the design and implementation of…
7d
AI Security Engineer, Senior
Zebra Technologies —Mississauga, ON
We offer community service days, in addition to the traditional insurances, compensation, parental leave, employee assistance program and paid time off…
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Senior Software Engineer (Full Stack)
1-800-GOT-JUNK? —Toronto, ON
Provide technical leadership day to day: design notes when decisions will outlive a sprint, thoughtful code reviews, mentoring peers, and raising the bar on…
$100,000–$125,000 a year
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.NET Full Stack Developer
Merrithew International Inc. —Scarborough, ON
Solid understanding of software engineering principles, design patterns, coding standards, and development best practices. Strong proficiency in C#, ASP.
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Senior Software Developer

Royal Bank of Canada -
Toronto, ON

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Job details

Full-time

Qualifications

CI/CD
Azure
Node.js
CSS
MCP
React
Kubernetes
Full-stack development
DevOps
Process improvement
OOP
AWS
Docker
JavaScript
PostgreSQL
Software development
GitHub
Agile
Solution architecture
AI
TypeScript
Python
Shell Scripting
HTML

Full job description

Job Description

What is the opportunity?

We're seeking a Senior Software Developer to join our engineering team. You'll design, build, and maintain scalable applications across our full technology stack, working with modern frameworks and cloud-native infrastructure. This role offers the opportunity to mentor junior engineers, influence technical direction, and take ownership of complex projects from conception through production.

What will you do?

Develop and optimize full-stack applications using React for frontend experiences, with Node.js and Python for backend services.
Collaborate with cross-functional stakeholders (product, architecture, security) to translate requirements into scalable solutions
Beyond these core technologies, you'll evaluate and integrate new tools as business needs evolve.
Responsibilities include writing clean, maintainable code; conducting code reviews; participating in architecture discussions;
Collaborating cross-functionally with product and design teams; and ensuring applications meet performance, security, and reliability standards.
Contribute to documentation, participate in on-call rotations, and help establish engineering best practices.

What you need to succeed?

Must Have:

3+ years of software development experience
Polyglot programming expertise (JavaScript, Python, HTML5/CSS, Shell scripts)
Expert-level full-stack development (React/HTML5, Node.js/Python, microservices)
Strong fundamentals: AI, agent, MCP server/client, microservices, OAuth2, PostgreSQL, OOP, design patterns, security
Demonstrated ability to mentor and lead technical teams
Experience influencing technical decisions and owning solution architecture
Ability to work in a fast paced and agile development environment

Nice to Have:

Cloud platforms (OpenShift, AWS, Azure)
DevOps expertise (GitHub, Docker, Kubernetes)
Test automation frameworks and CI/CD pipeline optimization
Experience with agile transformation or process improvement
AI-assisted development tools (GitHub Copilot, Windsurf, Claude Code)

What’s in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable
Leaders who support your development through coaching and managing opportunities
Ability to make a difference and lasting impact
Work in a dynamic, collaborative, progressive, and high-performing team
Flexible work/life balance options
Opportunities to do challenging work.

#LI-POST

Job Skills

Active Learning, Agile Environments, Agile Methodology, Application Integrations, Building Architecture, Code Maintainability, Code Reviews, Design Patterns, Detail-Oriented, DevOps, Enterprise Application Delivery, Full Stack Development, Group Problem Solving, Microservices Architecture, Node.js, Programming Languages, React.js, Software Development Life Cycle (SDLC), TypeScript

Additional Job Details

Address:

745 THURLOW ST:VANCOUVER

City:

Vancouver

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

TECHNOLOGY AND OPERATIONS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-02-24

Application Deadline:

2026-08-29

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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Expand your limits and create a new future together at RBC. Find out how we use our passion and drive to enhance the well-being of our clients and communities at jobs.rbc.com.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

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senior javascript full stack jobs in mississauga, on

Senior Software Developer

Senior AI Engineer, (Global Security)

Senior Software Engineer, Content Cards

QA Engineer

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