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Added 14 mins ago
Level 2 Engineer
Avenir IT Inc.
Engineer, BC
Full-time
…dynamic team. As a Level 3 Technician, you will serve as a senior technical expert, adept at tackling the most formidable networking, infrastructure, and server dilemmas. Armed with astute…
Added 15 mins ago
Infrastructure Architect
123Dentist
Toronto, ON
$150,000 to $175,000 CAD / year
Full-time
The Infrastructure Architect is the senior technical engineer for 123Dentist’s server, identity, cloud, and network infrastructure, combining deep hands-on design and engineering with…
Added 15 mins ago
Senior Manager, Tax
Co-op
Saskatoon, SK
Full-time
…leading high-impact initiatives? Join our Finance team as the Senior Manager, Tax, where you'll lead FCL's corporate income tax function while providing strategic oversight to our Commodity…
Added 29 mins ago
Geomodeller/Structural Geologist
GEI Consultants, Inc.
Coquitlam, BC
Full-time
We are seeking an intermediate to senior-level geo-modeller/structural geologist to be part of our team of experts. The successful candidate will lead projects in Canada and worldwide in…
Added 29 mins ago
Lead Development Project Management Associate
Mattel Canada
Montreal, QC
Full-time
The Product Development team within Mattel Building Sets brings creativity and technical excellence together to design and develop innovative construction toys. Our engineers are deeply…
Added 29 mins ago
Senior Manager, Core Trade Finance Operations
TD Securities
Toronto, ON
Full-time
We are seeking an accomplished Senior Manager, Core Trade Finance Operations, with deep expertise in international trade finance and a demonstrated ability to lead high-performing teams…
Added 29 mins ago
Financial Controller
St. Margaret's School, Victoria
Victoria, BC
Full-time
Lead and manage all aspects of the School’s day-to-day financial operations.
Added 29 mins ago
Senior Pharmaceutical Automation Project Manager
Teksky LLC
Montreal, QC
Full-time
We are looking for a Senior Pharmaceutical Automation Project Manager to lead complex automation projects from concept through commissioning. This is a senior-level opportunity for an…
Added 29 mins ago
Solution Architect (Databricks)
CGI
Toronto, ON
Full-time
…Architecture, Unity Catalog, and DevOps/CI/CD practices. This is a senior, client-facing role requiring strong technical leadership as well as the ability to establish standards, guide…
Added 29 mins ago
Sr Mechanical Designer
Insight Global
Waterloo, ON
$40 to $45 CAD / hour
Contract
Insight Global is seeking a qualified Senior Mechanical Designer to join a leading automation company based in Waterloo, Ontario. In this role, you will lead the design and development of…
Added 30 mins ago
Category Procurement Lead - Kiewit Supply Network
Kiewit
Edmonton, AB · Calgary, AB
…construction and engineering business depends on. The Supply Chain Lead owns one or more spend categories end to end, building the category strategy, running competitive sourcing events,…
Added 30 mins ago
Senior Fire Engineer
Hatch
Mississauga, ON
Hatch is seeking an experienced Senior Fire Engineer to join our growing Fire Safety team. In this role, you will provide technical leadership and project delivery expertise across a…
Added 30 mins ago
Regions Marketing Manager, Canada
Hatch
Mississauga, ON
This role suits a strategic and creative B2B marketer and strong project manager who can advise senior leaders, influence investment decisions, challenge priorities constructively, and lead…
Added 30 mins ago
Senior Consultant - Microsoft Sentinel and Defender Engineer
EY
Winnipeg, MB · Toronto, ON · Quebec, QC · Saskatoon, SK · Halifax, NS · St. John's, NL · Saint John, NB · London, ON · Vancouver, BC · Victoria, BC · Edmonton, AB · Ottawa, ON · Dieppe, NB · ON · AB · Waterloo, ON · Calgary, AB
As a senior technical member of the MDR team, you will:
Added 43 mins ago
Guidewird developer/BSA
VySystems Singapore
Toronto, ON
Contract
Added 43 mins ago
Senior Finance Operations Analyst, Collections & Cash Management
Liberty Mutual Canada
Toronto, ON
Full-time
Senior Finance Operations Analyst (Collections & Cash Management)
Added 43 mins ago
Manager, Finance Services
University of Calgary
Calgary, AB
Full-time
Effectively lead a team of Senior Financial Analysts, Financial Analysts and Project Accountants, providing direction and support in the daily provision of finance services, including…
Added 43 mins ago
Operations Manager
Airswift
ON · Ontario, Canada
Full-time
…They are seeking an experienced Wind Operations Manager to lead field operations, support project delivery, and drive operational excellence across a national portfolio of wind turbine…
Added 43 mins ago
Sap Financial Accounting Senior Consultant
PwC Canada
Canada
Part-time
Lead functional stream by managing the workstream activities, collaborating cross-functionally and with PMO on activities such as but not limited to functional/technical dependencies, RAID.
Added 43 mins ago
Principal SAP ATTP Consultant
Infosys
Mississauga, ON
$102,474 to $147,835 CAD / year
Full-time
Develop detailed documentation for complex ERP customizations and lead training workshops tailored to various user groups, to ensure effective knowledge transfer
Added 43 mins ago
VP - Education and Development Center - Americas; Cary, NC
Siemens Healthineers
Montreal, QC
Full-time
This senior leadership role is accountable for shaping and executing the Education and Training strategy across the Americas, strengthening education as a strategic growth and profitability…
Added 43 mins ago
Program Chief Engineer – Spacecraft Satellite Systems (35863)
Myticas Consulting
Canada
Full-time
We are seeking an accomplished Program Chief Engineer to serve as a senior technical authority across complex spacecraft and satellite programs.
Added 43 mins ago
Senior Product Manager – Identity & Access Management (Okta/Auth0)
Raise
ON · Ontario, Canada
Contract
Lead technical conversations around Okta and Auth0
Added 43 mins ago
Product & Pricing Consultant III (35726)
Myticas Consulting
Toronto, ON
Full-time
In this senior functional consulting role, you will partner directly with customers to translate complex banking, product, and pricing requirements into scalable functional solutions. You…
Added 43 mins ago
VP - Education and Development Center - Americas; Cary, NC
Siemens Healthineers
Toronto, ON
Full-time
This senior leadership role is accountable for shaping and executing the Education and Training strategy across the Americas, strengthening education as a strategic growth and profitability…

Hays

Senior Software Developer (Full Stack)

Mississauga, ON, Canada

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

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Applications open in a new tab.

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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