Mississauga, On Senior software developer (full stack javascript) Jobs – 81 Openings This Week

Senior SFCC Full Stack Engineer
GTT, LLC —Toronto, ON
- $70–$90 an hour
- Contract
- Hybrid work
- Salesforce
- JavaScript
- Scripting
Quick apply
Senior Application Developer- Python (Global Security)
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Software troubleshooting
- System design
4d
Senior Manager, Application Development and Integration
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Research
- Databases
2d
Senior, Cloud Engineering
Scotiabank —Toronto, ON
- Azure
- Computer Science
- Engineering
- Tuition reimbursement
11d
Senior AI Engineer, (Global Security)
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Research
- SQL
11d
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
Senior Full Stack Developer
Konrad —Toronto, ON
- $120,000–$145,000 a year
- Hybrid work
- Azure
- AWS
- JavaScript
- Work from home
- Flexible schedule
Quick apply

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Senior Application Developer- Python (Global Security)
Royal Bank of Canada —Toronto, ON
7+ years of experience in software development or engineering, with a deep understanding of system design and architecture.
4d
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…
11d

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Senior Software Engineer (Full-Stack JavaScript)
Morningstar —Toronto, ON
3+ years of professional software development experience, preferably with a focus on full-stack JavaScript or TypeScript.
$90,489–$132,711 a year
7d

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Senior SFCC Full Stack Engineer

GTT, LLC -
Toronto, ON

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Job details

Contract
$70–$90 an hour

Qualifications

CI/CD
CSS
Full-stack development
Salesforce
Content management systems
E-commerce
JavaScript
Scripting
APIs
Agile
HTML

Full job description

Senior SFCC Full Stack Engineer

Location: Toronto, ON

Onsite Flexibility: Hybrid

Contract Details

Position Type: Contract
Contract Duration: 12 months
Start: May 4, 2026
Pay Rate: C$70.00 C$90.00 / Hour (CAD)

Job Summary

Our client, a rapidly growing consumer-focused organization, is seeking a Full Stack Salesforce Commerce Cloud Developer to support the evolution of their eCommerce platform. This role will focus on building, enhancing, and integrating scalable digital commerce solutions across a high-traffic, customer-facing environment.

Key Responsibilities

Design, develop, and maintain scalable solutions within Salesforce Commerce Cloud (SFCC) using SFRA architecture
Build and enhance front-end and back-end functionality across the eCommerce platform
Develop and maintain integrations with third-party systems including payments, order management (OMS), and loyalty platforms
Collaborate with cross-functional teams (product, UX, marketing, and engineering) to deliver high-quality digital experiences
Optimize site performance, scalability, and reliability across peak traffic environments
Participate in code reviews, testing, and deployment processes to ensure high-quality deliverables
Troubleshoot and resolve production issues, ensuring minimal disruption to business operations

Required Skills

3 6 years of experience in eCommerce development, with strong hands-on experience in Salesforce Commerce Cloud (SFCC)
Solid experience with SFRA (Storefront Reference Architecture)
Full stack development experience (JavaScript, HTML/CSS, server-side scripting within SFCC)
Experience integrating with external systems (payments, APIs, OMS, CRM, etc.)
Familiarity with version control and CI/CD practices
Strong understanding of web performance optimization and scalable architecture
Ability to work effectively in Agile delivery environments

Preferred Skills

Experience with headless commerce or CMS platforms (e.g., Amplience or similar)
Exposure to additional eCommerce platforms such as Shopify
Experience working in high-growth or high-traffic digital commerce environments

About the Client

Innovative beauty brand parent company behind NIOD, Hylamide, and The Ordinary.

About GTT

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. We highly value diverse and inclusive workplaces and support Fortune 500 organizations across banking, financial services, technology, life sciences, biotech, utilities, and retail sectors throughout the U.S. and Canada.

Job Number: 26-03871 Industry: Engineering

#LI-GTT #LI-Hybrid #gttca

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senior software developer (full stack javascript) jobs in mississauga, on

Senior SFCC Full Stack Engineer

Senior Application Developer- Python (Global Security)

Senior Manager, Application Development and Integration

Senior, Cloud Engineering

Senior AI Engineer, (Global Security)

Senior Software Engineer, Content Cards

Senior Full Stack Developer

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