Software developer jobs in Mississauga, ON and nearby

Within 25 km

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Added 22 days ago
LI
Full Stack Software Developer (Java/React)
Lotus IT Solutions
Toronto, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Full Stack Software Developer to join the Government Services Integration Cluster in Toronto. This…
Added 22 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11557 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11557 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11557 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11719 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11719 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11719 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Onsite – 5 days per week
Added 22 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Onsite – 5 days per week
Added 22 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Onsite – 5 days per week
Added 22 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
B
Senior API Software Developer
Bevertec
Toronto, ON
- Contract
Must have experience leading teams and managing development teams
Added 22 days ago
T
Senior Software Developer – .NET, Python, AWS & Azure
ThoughtStorm
Toronto, ON
- Contract
We are hiring a Senior Software Developer for Public sector client to support its Drug Formulary and Genomics platforms.
Added 22 days ago
OT
Senior Software Developer
Ontario Teachers' Pension Plan
Toronto, ON
- Full-time
We are looking for a Senior Software Developer to join the Product Engineering team in support of our Member Services division. As part of a team, you will be responsible for the…
Added 22 days ago
AG
Application Developer III
Allegis Global Solutions
Toronto, ON
- $70 to $73 CAD / hour
- Contract
We are seeking a highly skilled and motivated senior application developer to join a dynamic Data & Digital team within an Engineering, Innovation & Architecture organization. This is a…

Allegis Global Solutions

Application Developer III

Toronto, ON, Canada

$70 to $73 CAD / hour · Contract

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Pay: $70 to $73 CAD / hour
Job type: Contract
Apply by: Nov 20, 2026
Posting language: English
Posted: Oct 21, 2026

Original job description

Description

Please note that this is a contract role to provide services to Sun Life Financial (“Sun Life”) as an employee of Allegis Global Solutions (AGS). If you are selected for this role, you will be employed by AGS and will not be an employee of Sun Life.

Sun Life recognizes the unique talent which contingent workers bring to its organization. As an employee of AGS, you will have access to opportunities to provide services to Sun Life and contribute to Sun Life’s Purpose of helping Clients achieve lifetime financial security and live healthier lives. Sun Life’s values shape how we work: caring, authentic, bold, inspiring, and impactful. As a contingent worker at Sun Life, you’ll work alongside passionate colleagues and empowering leaders who will support your growth and celebrate your contributions. Bring your unique expertise to an innovative, flexible, and collaborative organization, where you’ll drive meaningful change.

Job Summary

We are seeking a highly skilled and motivated senior application developer to join a dynamic Data & Digital team within an Engineering, Innovation & Architecture organization. This is a hybrid role based in Toronto or Waterloo, offering a 12-month contract with strong potential for extension or conversion. The successful candidate will play a critical role in designing, developing, and supporting enterprise applications, cloud-native solutions, and modern data platforms. Working alongside junior and senior developers, a Scrum Master, and technical leadership, this individual will contribute to application modernization, API development, DevOps automation, and the integration of emerging AI capabilities into business workflows. This is a backfill for a senior engineering resource who supported critical data platform and application development initiatives, making it an impactful opportunity for a technically deep and collaborative professional.

Responsibilities

Design, develop, test, deploy, and support enterprise applications, APIs, and cloud-native solutions in production environments
Participate in application modernization efforts, code reviews, testing cycles, and ongoing production support activities
Troubleshoot complex application and integration issues and implement sustainable, scalable solutions
Build and maintain CI/CD pipelines, Infrastructure as Code, and deployment automation frameworks
Automate infrastructure provisioning, application deployments, monitoring, and operational processes
Improve platform reliability, scalability, security, and operational efficiency through DevOps practices and automation
Support and enhance modern data and analytics platforms including Snowflake and related technologies
Collaborate with data engineers to support data ingestion, transformation, orchestration, and consumption patterns
Assist with data platform administration, monitoring, troubleshooting, and performance optimization
Implement security, access management, monitoring, and governance controls across applications and platforms
Participate in incident management, root cause analysis, vulnerability remediation, and operational support activities
Ensure all solutions comply with enterprise architecture, security, and governance standards
Partner with architects, product owners, technical program managers, engineers, and business stakeholders to deliver high-quality solutions
Contribute to engineering best practices, reusable solution frameworks, and continuous improvement initiatives
Collaborate with enterprise technology teams to develop scalable and shared platform capabilities

Skills

Proficiency in C#, .NET / .NET Core, Python, and SQL for enterprise application development
Hands-on experience with Blazor or similar modern web application frameworks
Strong experience designing, developing, and deploying enterprise applications and APIs in production environments
Deep understanding of software engineering principles, application architecture, and cloud-native development patterns
Proven ability to build and maintain CI/CD pipelines using Azure DevOps, Azure Pipelines, GitHub Actions, or equivalent tools
Hands-on experience with AWS services including EC2, S3, RDS, EKS, IAM, and CloudWatch
Experience with Docker and Kubernetes for containerized application deployments
Familiarity with Snowflake or comparable cloud-based data and analytics platforms
Strong analytical thinking and problem-solving capabilities
Excellent verbal and written communication skills with the ability to engage diverse stakeholder groups
Ability to gather requirements, ask thoughtful discovery questions, and propose well-reasoned solutions
Proven ability to manage multiple priorities and projects simultaneously in a fast-paced environment
Proactive, curious, and self-motivated with a continuous improvement mindset
Comfortable sharing technical opinions, providing recommendations, and driving engineering discussions
Experience with AI engineering, AI application development, or intelligent automation is a strong asset
Familiarity with PostgreSQL or other relational database technologies is an asset
Knowledge of Power BI, Tableau, or modern analytics technologies is an asset
Exposure to DevSecOps tools such as Snyk or Checkmarx is an asset
Experience mentoring developers or providing technical leadership within agile teams is an asset

Experience

5+ years of experience in software development, cloud engineering, DevOps, or data engineering
3+ years of hands-on development experience with C#, .NET / .NET Core, Python, SQL, and Blazor or similar frameworks
Proven track record supporting and troubleshooting applications in production environments
Experience working within financial services, insurance, asset management, or other regulated industries is an asset
Experience supporting self-service analytics, data products, or data marketplace initiatives is an asset

Qualifications

Bachelor's degree in Computer Science, Engineering, Information Technology, or a related discipline is preferred
Equivalent combinations of engineering-focused training and relevant industry experience will be considered
Tier 2 background check required prior to being granted privileged system access

This is a compelling opportunity to join a forward-thinking engineering team at the intersection of cloud, data, and artificial intelligence. You will have the chance to shape enterprise-scale platforms, influence technical direction, and contribute to meaningful modernization initiatives within a collaborative and innovative environment. With strong potential for contract extension or permanent conversion, and the opportunity to work alongside talented engineers on cutting-edge AI-enabled solutions, this role offers both immediate impact and long-term career growth for the right candidate.

Additional Details:

Location: Toronto, ON
Duration: 12 Months
Pay Range*: $70 - $73 Per Hour
Weekly Schedule: 37.5 hours
Job Status: Non-Exempt
Application Deadline: 10/23/2026

This role is eligible for the following benefits:

Medical, dental & vision
RRSP Plan – Sun Life Financial
Life Insurance (Company paid Basic Life and AD&D as well as voluntary Life & AD&D for the employee and dependents)
Company paid short and long-term disability
Health & Dependent Care Spending Accounts (HSA & DCFSA)
Employee Assistance Program
Time Off/Leave(PTO, Allegis Group Paid Family Leave, Parental Leave

Benefits are subject to change and may be subject to specific elections, plan, or program terms.

Existing Vacancy: This posting is for an available position.

AGS is an Equal Opportunity Employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you require a reasonable accommodation related to the application or interview process due to a disability, please email accommodation@allegisglobalsolutions.com. This inbox is monitored solely for accommodation requests. For questions about open roles or to apply, please submit your application through the job posting, as this inbox is not monitored by recruiters and applications sent here will not be reviewed.

Please note that we may use artificial intelligence (AI) tools to screen, assess, or select applicants for this position. These tools may analyze application materials and assist our team in identifying candidates whose qualifications best match the requirements of the role. If you have questions about our use of AI in the hiring process, or would like more information, please contact us.

*We reserve the right to pay above or below the posted wage based on factors unrelated to protected classifications.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Apply on LinkedIn About employer

More about this job

Responsibilities

Design, develop, deploy, and support enterprise applications, APIs, cloud-native solutions, and modern data platforms, including Snowflake. Build and improve CI/CD and infrastructure automation, strengthen security and reliability, troubleshoot production issues, and collaborate with engineering and business teams on modernization and AI-enabled solutions.

Requirements

Candidates should have at least five years of experience in software development, cloud engineering, DevOps, or data engineering, including at least three years of hands-on experience with C#, .NET, Python, SQL, and Blazor or a similar framework. They should have production application support experience and practical knowledge of CI/CD, AWS, Docker, and Kubernetes; a bachelor's degree is preferred, and a Tier 2 background check is required before privileged system access.

Skills

C#
.NET
Python
SQL
Blazor
API Development
Azure DevOps
CI/CD Pipelines
AWS
Docker
Kubernetes
Snowflake
DevOps Automation
Cloud-Native Development
AI Application Development

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
RRSP Plan
Life Insurance
Accidental Death And Dismemberment Insurance
Short-Term Disability Insurance
Long-Term Disability Insurance
Health Spending Account
Dependent Care Spending Account
Employee Assistance Program
Paid Time Off
Paid Family Leave
Parental Leave

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET Core
Python
SQL
Blazor
AWS
EC2
S3
RDS
EKS
IAM
CloudWatch
Azure DevOps
Azure Pipelines
GitHub Actions
Docker
Kubernetes
Snowflake
CI/CD
Infrastructure As Code
DevOps
DevSecOps
PostgreSQL
Power BI
Tableau
AI Engineering
API Development
Cloud-Native Development
Data Engineering
Agile

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Software developer jobs in Mississauga, ON and nearby

Full Stack Software Developer (Java/React)

RQ11775 – Software Developer – Senior

RQ11557 – Software Developer – Front End – Senior

RQ11557 – Software Developer – Front End – Senior

RQ11775 – Software Developer – Senior

RQ11557 – Software Developer – Front End – Senior

RQ11775 – Software Developer – Senior

RQ11556 – Software Developer – Full Stack – Senior

RQ11719 – Software Developer – Senior

RQ11719 – Software Developer – Senior

RQ11719 – Software Developer – Senior

RQ11556 – Software Developer – Full Stack – Senior

RQ11658 – Software Developer – Senior

RQ11721 – Software Developer – Intermediate

RQ11721 – Software Developer – Intermediate

RQ11657 – Software Developer – Senior

RQ11657 – Software Developer – Senior

RQ11657 – Software Developer – Senior

RQ11658 – Software Developer – Senior

RQ11721 – Software Developer – Intermediate

RQ11658 – Software Developer – Senior

Senior API Software Developer

Senior Software Developer – .NET, Python, AWS & Azure

Senior Software Developer