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Added 12 days ago
JG
Full Stack Software Developer -
J&M Group
Toronto, ON
- Full-time
Added 12 days ago
Staff Full Stack Engineer
Workstream
Vancouver, BC
Proficiency in at least one or more of the following languages: Python, Java, PHP, or JavaScript, with experience developing full-stack, high-performance, and high-availability applications.
Added 12 days ago
Full Stack Software Engineer II (Contract Role)
PlayStation Global
Waterloo, ON
Developing JavaScript-based applications for PlayStation gaming consoles, web, mobile and future flagship Sony devices and services
Added 12 days ago
TH
Systems Analyst III - Health & Welfare Benefits Implementations
TELUS Health
Toronto, ON
- Full-time
Strong-to-have: ASP, ASP.NET, HTML, JavaScript, or similar languages
Added 12 days ago
SD
Full Stack Software Developer
Symbiotic Digital
ON · Downsview Central, Ontario
- Contract
We are seeking a senior-level Full Stack Developer with
Added 12 days ago
TC
Integrator engineer
Tata Consultancy Services
Montreal, QC
- Full-time
3. Required – working knowledge of programming and scripting languages: Java, JavaScript, C#, C/C++, Perl, Python, Ruby
Added 12 days ago
A
Angular Developer
Ampstek
Montreal, QC
- Contract
Good experience working on TypeScript, Javascript, jQuery, Backbone.js, Underscore
Added 12 days ago
E
Marketing Engineer & Director of AEO
Equiniti
Toronto, ON
- Full-time
Strong technical SEO foundation, including crawlability, indexation, rendering, JavaScript SEO, schema.org, structured data, XML sitemaps, robots.txt, canonical tags, internal linking, page…
Added 12 days ago
Lead Angular Developer (Data Security Platform)
Open Text Corporation
Richmond Hill, ON
We are seeking a highly skilled and passionate Lead UI Developer with a strong focus on Angular development to join our dynamic team. You will collaborate closely with designers, product…
Added 12 days ago
Sr. Full Stack Software Engineer (Contract Role)
PlayStation Global
Waterloo, ON
Developing JavaScript-based applications for PlayStation gaming consoles, web, mobile and future flagship Sony devices and services
Added 12 days ago
H
Senior Software Developer (Full Stack)
Hays
Mississauga, ON
- Full-time
As a Senior Software Developer (Full Stack), you will play a critical role in modernising and re-architecting core diagnostic and monitoring platforms. Working closely with product…
Added 12 days ago
O
Lead Angular Developer (Data Security Platform)
OpenText
Richmond Hill, ON
- Full-time
We are seeking a highly skilled and passionate Lead UI Developer with a strong focus on Angular development to join our dynamic team. You will collaborate closely with designers, product…
Added 12 days ago
RE
Data Operations Engineer AI - Co-op Student (Winter 2027)
Rodan Energy Solutions Inc.
Mississauga, ON
- Internship
Basic scripting or programming experience such as Python, SQL, JavaScript, or equivalent.
Added 12 days ago
PL
Development Security Specialist (Industrial Oil & Gas Applications)
Pengcorp Ltd.
Calgary, AB
- Full-time
Added 12 days ago
MP
SEO Specialist
Michael Page
Toronto, ON · Greater Toronto Area, Canada
- $65,000 to $75,000 CAD / year
- Full-time
Added 12 days ago
H
Full Stack Software Developer
Hays
Mississauga, ON
- $90,000 to $105,000 CAD / year
- Full-time
Our client is seeking a skilled Full Stack Software Developer with 5+ years of professional experience to design, develop, and maintain robust web applications from concept to deployment.…
Added 12 days ago
P
Software Developer Intern
Pason
Calgary, AB
- Full-time
Develop software for complex frontend and backend applications utilizing the IWS technology stack which includes Javascript, Vue and Python.
Added 12 days ago
Java Full Stack
Capgemini
Toronto, ON
6 to 8+ years of experience with front-end technologies including Angular, Node.js, HTML, XML, CSS, JavaScript, and JSP.
Added 12 days ago
Java Frontend Developer
Capgemini
Toronto, ON
Proficiency in HTML, CSS, JavaScript, and related front-end technologies, including Angular and Node.js.
Added 12 days ago
C
System Integrator
CIMA+
Guelph, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Java programming, JavaScript, CSS, RDBMS development (MySQL, SQL, Oracle, etc.), Crystal Reports, SQL Server Reporting Services, Actuate, or Oracle Reports is advantageous.
Added 12 days ago
C
System Integrator
CIMA+
Sudbury, ON · Guelph, Ontario
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Java programming, JavaScript, CSS, RDBMS development (MySQL, SQL, Oracle, etc.), Crystal Reports, SQL Server Reporting Services, Actuate, or Oracle Reports is advantageous.
Added 12 days ago
C
System Integrator
CIMA+
Sudbury, ON · Greater Sudbury, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Java programming, JavaScript, CSS, RDBMS development (MySQL, SQL, Oracle, etc.), Crystal Reports, SQL Server Reporting Services, Actuate, or Oracle Reports is advantageous.
Added 12 days ago
C
System Integrator
CIMA+
Guelph, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Java programming, JavaScript, CSS, RDBMS development (MySQL, SQL, Oracle, etc.), Crystal Reports, SQL Server Reporting Services, Actuate, or Oracle Reports is advantageous.
Added 12 days ago
XI
Senior Engineering Manager
Xplore Inc
Markham, ON
- Full-time
…programming expertise in Golang (Go). Experience with C# .NET, JavaScript/TypeScript, Java, or other modern development platforms is considered an…
Added 12 days ago
PS
Retail & ERP Systems Analyst
Pacific Smoke International Inc
Markham, ON
- $85,000 to $95,000 CAD / year
Hands-on experience with Programming Language (JavaScript, or Python, or SuiteScript)

Hays

Senior Software Developer (Full Stack)

Mississauga, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Oct 21, 2026
Experience: 7+ years of commercial software development experience.
Posting language: English
Posted: Sep 21, 2026

Original job description

Senior Software Developer (Full Stack)

Job Type: Permanent

Salary: Competitive

Location: Mississauga, ON (On-site 5 days/week)

Your New Company

Our client is a well-established technology organization focused on developing advanced diagnostic and monitoring solutions. They are investing heavily in modernising their software platforms and engineering capabilities to support the next generation of connected hardware and cloud-enabled solutions. This is an exciting opportunity to join a highly collaborative team where innovation, technical excellence, and continuous improvement are at the core of everything they do.

Your New Role

As a Senior Software Developer (Full Stack), you will play a critical role in modernising and re-architecting core diagnostic and monitoring platforms. Working closely with product management, hardware engineering teams, and business stakeholders, you will design and develop scalable software solutions that combine web applications, backend services, cloud technologies, and hardware integrations.

Key responsibilities include:

Leading the architecture, redesign, and modernisation of mission-critical diagnostic and monitoring platforms.
Designing, developing, and maintaining scalable web applications, APIs, and microservices using Node.js, C#, C++, and modern Single Page Application (SPA) frameworks.
Optimising applications for performance, scalability, responsiveness, and security compliance.
Collaborating with cross-functional teams to translate business and technical requirements into robust software solutions.
Driving software quality through automated testing, code reviews, and CI/CD best practices.
Enhancing engineering productivity through the effective use of AI-assisted development tools.
Developing and maintaining technical documentation, architecture diagrams, API specifications, and development standards.
Supporting solution deployment and operations across Windows and Linux environments.

What You'll Need to Succeed:

Bachelor's degree in Computer Science, Software Engineering, or equivalent industry experience.
7+ years of commercial software development experience.
Strong experience developing enterprise applications using Node.js, C#, and C++.
Proficiency with JavaScript/TypeScript, HTML5, and modern SPA frameworks.
Experience designing and consuming RESTful APIs; exposure to gRPC or MQTT is considered an asset.
Strong database experience with MySQL, DynamoDB, and NoSQL technologies.
Hands-on experience with AWS cloud services, Docker, Git, and CI/CD pipelines.
Experience supporting and developing solutions across both Windows and Linux environments.
Exposure to embedded systems and hardware-software integrations would be highly desirable.
Familiarity with AI-assisted development tools such as Claude, Cursor, and VS Code AI functionalities.
Proven expertise in software architecture, application modernisation, and platform transformation initiatives.
Strong troubleshooting, debugging, performance tuning, and secure software development skills.
Excellent communication and stakeholder management capabilities with the ability to work across technical and non-technical teams.

Nice-to-Have Skills

Experience with MFC VC++, PHP, or Go.
Knowledge of microservices architecture and distributed systems design.
Experience working with hardware diagnostics, monitoring platforms, or IoT-related applications.

What You'll Get in Return

You will have the opportunity to lead the modernisation of critical technology platforms while working alongside experienced software engineers, architects, and product teams. The organisation offers a collaborative environment, exposure to cutting-edge technologies, complex technical challenges, professional growth opportunities, and a competitive compensation package.

What You Need to Do Now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

This posting is for an existing vacancy with the organization.

AI may be used to screen, assess or select applicants for the position

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More about this job

Responsibilities

You will lead the architecture and modernization of mission-critical diagnostic and monitoring platforms while collaborating with cross-functional teams. Your role involves designing scalable web applications, APIs, and microservices while ensuring high performance and security compliance.

Requirements

Candidates must have a Bachelor's degree in Computer Science or Software Engineering and at least 7 years of commercial software development experience. Proficiency in Node.js, C#, C++, and modern web frameworks is required, along with experience in cloud services and database technologies.

Skills

Node.js
C#
C++
JavaScript
TypeScript
HTML5
SPA Frameworks
RESTful APIs
MySQL
DynamoDB
NoSQL
AWS
Docker
Git
CI/CD
Software Architecture

Visa sponsorship

Not detected in the job text

Keywords

Node.js
C#
C++
JavaScript
TypeScript
HTML5
SPA
RESTful APIs
MySQL
DynamoDB
NoSQL
AWS
Docker
Git
CI/CD
Software Architecture
Microservices
Embedded Systems
Hardware Integration
AI-assisted development
Claude
Cursor
VS Code
Windows
Linux
Diagnostic platforms
Monitoring platforms
Cloud-enabled solutions
Full Stack
Performance tuning

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