Mississauga, On Senior javascript full stack developer Jobs – 115 Openings This Week

Senior Full Stack Developer
Thrive Career Wellness Inc —Toronto, ON
- $100,000–$120,000 a year
- Azure
- AWS
- JavaScript
7h
Senior Front-end Software Developer (12-month Contract)
Nelson Education LTD —Toronto, ON
- From $110,000 a year
- Full-time
- Remote
- Computer Science
- Engineering
- Bachelor's
- Employee assistance program
Quick apply
RQ09244 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- Full-time
- Hybrid work
- Oracle
- Java
- SQL
Quick apply
RQ09380 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- Full-time
- Hybrid work
- Azure
- Oracle
- DevOps
Quick apply
RQ10562 - Sr. Software Developer - Full Stack
Source Code —Toronto, ON
- DevOps
- Java
- SQL
Quick apply
Engineering Team Lead
ScriptRunner —Toronto, ON
- Full-time
- Management
- Java
- AWS
- Paid time off
- Flexible schedule
Quick apply
Senior Developer
Tata Consultancy Services —Toronto, ON
- Azure
- Java
- AWS
10d
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
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
Senior Full Stack Developer
CoLab Software —Toronto, ON
- Full-time
- Remote
- DevOps
- System design
- Databases
Quick apply
Senior Software Developer
SkillsWave Corporation —Toronto, ON
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Engineering
Quick apply
GBM - Technology Analyst (Web Developer) Internship/Co-op - Fall 2026
Scotiabank —Toronto, ON
- SQL
- Analysis skills
- JavaScript
Ionic Developer | Oakville
SearchVelocity —Oakville, ON
- Computer Science
- Engineering
- Bachelor's
- Flextime
Senior Software Development Manager
Royal Bank of Canada —Toronto, ON
- Full-time
- Management
- Computer Science
- DevOps
Senior Specialist - Software Engineering
LTM —Toronto, ON
- $110,000–$130,000 a year
- On call
- Computer science
- Azure
- Computer Science
- Disability insurance
- Dental care
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
Software Development Manager, Generative AI
Autodesk —Toronto, ON
- Full-time
- Hybrid work
- JavaScript
- APIs
- AI
Senior Ruby Developer - RBCx - Dr. Bill
Royal Bank of Canada —Toronto, ON
- Full-time
- DevOps
- Engineering
- Databases
Senior Application Developer- Python (Global Security)
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- DevOps
- System design
RQ00580 - Sr. Full Stack Developer, Digital Experience Platform
Source Code —Toronto, ON
- Full-time
- Bilingual
- Azure
- DevOps
Quick apply

I want to receive the latest job alerts for senior javascript full stack developer in mississauga, on

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

senior javascript full stack developer jobs near mississauga, on

Senior Full Stack Developer

Thrive Career Wellness Inc
Toronto, ON

Apply Now

Job details

Permanent
$100,000–$120,000 a year
7 hours ago

Qualifications

CI/CD
Azure
Node.js
React
Google Cloud Platform
AWS
Ruby on Rails
JavaScript
PostgreSQL
Ember.js
Angular
Django
MySQL

Full job description

We are seeking a Senior Full-Stack Engineer to join our growing Engineering team at Thrive. This role is ideal for someone who thrives in a fast-paced startup environment, enjoys solving challenging problems, and is passionate about building high-quality, scalable software that impacts millions of career journeys.
As a key contributor, you will ship end-to-end features, collaborate closely with product and design, and play a meaningful role in shaping our technology, processes, and engineering culture. If you enjoy autonomy, mentorship, and working with modern technologies, this role is a strong fit.
Key Responsibilities:

Act as a key member of the Engineering team, responsible for shipping end-to-end features frequently and with confidence.
Work collaboratively with product managers and designers, guiding decisions based on deep knowledge of codebase structure and technical feasibility.
Participate in code reviews, providing constructive feedback and maintaining high code quality across the team.
Mentor and be mentored by engineers at various levels, fostering a culture of continuous learning and technical growth.
Actively engage in team rituals such as retrospectives, contributing to ongoing improvements in technology, processes, and team culture.
Give and receive feedback in support of a safe, collaborative, and growth-oriented engineering environment.

Business Problem the Senior Full-Stack Engineer Will Solve:This role will help drive the development of scalable, reliable features that support Thrive’s mission to advance career wellness. By building high-quality systems and collaborating across the organization, you will directly contribute to delivering impactful solutions that serve millions of users navigating their career journeys.
Ideal Candidate Demographics (Experience & Skills):

5+ years of experience as a professional software developer shipping production-level code.
Proficiency building single-page applications using JavaScript frameworks such as Ember or React. Extensive experience with Angular, Vue, or similar frameworks will also be considered.
Proficiency building scalable distributed backend services using Ruby on Rails and PostgreSQL. Experience with Sinatra, Django, Phoenix, Node, or mySQL is also accepted.
Strong experience with modern testing frameworks (RSpec, Cypress, Jest, QUnit, or equivalents).
Proven ability to build and maintain fully automated CI/CD pipelines.
Proficiency working in cloud environments, ideally AWS; experience with GCP or Azure is also valuable.

Life at Thrive:

High-trust environment with autonomy, ownership, and flexibility
Fast-paced startup culture with strong mentorship and growth opportunities
Fully remote work environment with optional access to downtown Toronto office space

Total Rewards Package:

3 weeks paid vacation
Health Insurance & Wellness Coverage
Yearly Learning & Development Allowance
Yearly Workspace Allowance
Access to licensed learning platforms

This posting is for an existing position; Thrive is recruiting to fill a vacancy created by a departure, not a new role. Thrive uses artificial intelligence tools to assist in the screening and assessment of applications. AI may be used to review resumes and support initial candidate evaluation, though all hiring decisions are made by Thrive personnel. If you require accommodation at any time during the recruitment process, please let us know.
At Thrive, we understand and value diversity in our employees and are proud to be an Equal Opportunity Employer. Only those legally entitled to work in Canada will be considered for interview and employment.

Apply Now

Refine Your Search

senior javascript full stack developer jobs in mississauga, on

Senior Full Stack Developer

Senior Front-end Software Developer (12-month Contract)

RQ09244 - Sr. Software Developer - Full Stack

RQ09380 - Sr. Software Developer - Full Stack

RQ10562 - Sr. Software Developer - Full Stack

Engineering Team Lead

Senior Developer

Senior Developer, Fullstack - Identity and Access Management (IAM)

Senior Software Developer 2, Artificial Intelligence

Senior Full Stack Developer

Senior Software Developer

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

Ionic Developer | Oakville

Senior Software Development Manager

Senior Specialist - Software Engineering

Sr Software Engineer - Core Backend & Platform Engineering

Software Development Manager, Generative AI

Senior Ruby Developer - RBCx - Dr. Bill

Senior Application Developer- Python (Global Security)

RQ00580 - Sr. Full Stack Developer, Digital Experience Platform

I want to receive the latest job alerts for senior javascript full stack developer in mississauga, on

Related Searches

Explore jobs in more locations

Job seeker tools

Employer Tools

Browse

Stay Connected