Mississauga, On Senior javascript full stack developer Jobs – 118 Openings This Week

Senior Frontend Engineer (Full Stack, Frontend-Lead)
BMO Financial —Toronto, ON
- $75,900–$141,900 a year
- JavaScript
- APIs
- Agile
- Tuition reimbursement
- Life insurance
8d
Senior Full Stack .NET / Azure Developer
Procom —Toronto, ON
- Immediate opening
- Azure
- DevOps
- Databases
Quick apply
3d
Senior Java Full Stack Developer (React)
Cognizant —Toronto, ON
- $69,750–$110,500 a year
- Full-time
- Hybrid work
- Java
- SQL
- JavaScript
Senior Full Stack Developer
CoLab Software —Toronto, ON
- Full-time
- Remote
- DevOps
- System design
- Databases
Quick apply
RQ10562 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- DevOps
- Java
- SQL
Quick apply
RQ09380 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- Full-time
- Hybrid work
- Azure
- Oracle
- DevOps
Quick apply
Senior Java Developer
Tata Consultancy Services —Toronto, ON
- Computer Science
- Salesforce
- Engineering
Software Engineer (Intermediate and Senior Levels)
Felix —Toronto, ON
- $110,000–$160,000 a year
- Full-time
- Remote
- JavaScript
- Leadership
- Dental care
- Vision care
Quick apply
Staff Software Engineer
Confluent —Toronto, ON
- $255,600–$300,300 a year
- Full-time
- Java
- AWS
- JavaScript
Senior Software Developer - Workflows
Verily —Toronto, ON
- $146,500–$164,500 a year
- Full-time
- Azure
- Computer Science
- Engineering
Senior Developer, Fullstack - Identity and Access Management (IAM)
Fullscript —Toronto, ON
- $125,000–$165,000 a year
- Full-time
- Remote
- JavaScript
- Software development
- Wellness program
- Paid time off
Quick apply
Digital Senior Developer
Definity Financial Corporation —Toronto, ON
- $92,000–$142,000 a year
- Full-time
- Hybrid work
- Computer Science
- DevOps
- Databases
- Tuition reimbursement
- Paid time off
Fullstack Java Developer
Tata Consultancy Services —Toronto, ON
- Oracle
- DevOps
- Java
Senior Software Developer
SkillsWave Corporation —Toronto, ON
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Engineering
Quick apply
Java Developer - Java/React
Scotiabank —Toronto, ON
- Computer Science
- Engineering
- Java
- Tuition reimbursement
Senior Developer
Tata Consultancy Services —Toronto, ON
- Azure
- Java
- AWS
10d
AVP - Java Developer Sr Programmer Analyst
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Oracle
- Computer Science
- Engineering
GBM - Technology Analyst (Web Developer) Internship/Co-op - Fall 2026
Scotiabank —Toronto, ON
- SQL
- Analysis skills
- JavaScript
Senior Software Developer 2, Artificial Intelligence
D2L —Toronto, ON
- $130,000–$160,000 a year
- Remote
- Computer science
- Azure
- Computer Science
- Tuition reimbursement
Quick apply
Sr Software Engineer - Core Backend & Platform Engineering
Basis —Toronto, ON
- $119,051–$160,000 a year
- Full-time
- Remote
- Java
- AWS
- JavaScript
Quick apply

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senior javascript full stack developer jobs near mississauga, on

Senior Frontend Engineer (Full Stack, Frontend-Lead)

BMO Financial -
Toronto, ON

Apply Now

Job details

$75,900–$141,900 a year
8 days ago

Qualifications

CI/CD
UI development
Node.js
CSS
React
Git
Test-driven development
Enterprise architecture
UI design
JavaScript
REST
SEO
UX
GitHub
APIs
Agile
UI
Unit testing
GraphQL
Business requirements
Jenkins
TypeScript
HTML

Full job description

Application Deadline:

06/14/2026

Address:

33 Dundas Street West

Job Family Group:

Technology

Design, develop, and maintain scalable, secure, and accessible cloud‑based applications supporting business‑critical digital experiences. The role contributes across the full software development lifecycle, from translating business requirements into technical designs through development, testing, deployment, and ongoing support, in alignment with enterprise architecture and governance standards.

The position is front‑end led, with responsibility for building modern web interfaces using Next.js-based architecture, while integrating with backend and platform services in a regulated environment.

Key Responsibilities

Build end‑to‑end solutions using React, Next.js, and Node.js aligned to enterprise architecture standards
Develop, maintain, and scale complex React applications using modern patterns and best practices
Design and implement reusable, high‑quality UI components and frontend libraries
Apply SSR/SSG patterns to optimize performance, SEO, and user experience
Contribute to frontend architecture and technical design, including component strategy and framework decisions
Translate user and business requirements into technical specifications and design artifacts
Write clean, maintainable, well‑documented TypeScript/JavaScript code
Conduct peer reviews for code, design, and unit tests to maintain engineering quality
Integrate with REST and GraphQL APIs and backend services
Support system design discussions, including security and performance considerations
Collaborate closely with product owners, designers, and engineering teams in an Agile delivery model
Optimize applications for performance across browsers and devices
Stay current with modern frontend and web platform advancements

Qualifications

5-7+ years of frontend development experience
5+ years of hands‑on React experience
3+ years of Next.js experience in production environments
Team lead experience
Strong proficiency in TypeScript, JavaScript (ES6+), HTML5, and CSS
Proven experience as a senior UI / frontend developer applying engineering best practices
Solid understanding of Node.js fundamentals and npm ecosystem
Experience with unit testing and TDD
Hands‑on experience integrating RESTful and GraphQL APIs
Proficiency with Git version control
Working knowledge of CI/CD principles and tools (e.g., Jenkins, GitHub Actions)
Comfortable working in a fast‑paced, Agile environment
Experience supporting public‑facing, high‑traffic applications
Familiarity with CDN‑based delivery and frontend performance optimization

Nice to Have

UI/UX design fundamentals
Experience supporting public‑facing, high‑traffic digital platforms
Exposure to performance optimization and content delivery strategies

Salary:

$75,900.00 - $141,900.00

Pay Type:

Salaried

The above represents BMO Financial Group’s pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group’s expected target for the first year in this position.

BMO Financial Group’s total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit: https://jobs.bmo.com/global/en/Total-Rewards

About Us

At BMO we are driven by a shared Purpose: Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one – for yourself and our customers. We’ll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we’ll help you gain valuable experience, and broaden your skillset.

To find out more visit us at https://jobs.bmo.com/ca/en.

BMO is committed to an inclusive, equitable and accessible workplace. By learning from each other’s differences, we gain strength through our people and our perspectives. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request accommodation, please contact your recruiter.

Note to Recruiters: BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.

Apply Now

Refine Your Search

senior javascript full stack developer jobs in mississauga, on

Senior Frontend Engineer (Full Stack, Frontend-Lead)

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GBM - Technology Analyst (Web Developer) Internship/Co-op - Fall 2026

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