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Added 3 months ago
Senior Software Developer - Agentic System
Coveo
Montreal, Quebec
Full-time
Contribute to architectural decisions and engineering best practices across Python, TypeScript, Java, and AWS technologies.
Added 3 months ago
Tech Lead, Software Development
Univeris
Toronto, Ontario
$100,000 to $130,000 CAD / year
Full-time
Tech Leads at Univeris are senior engineers and people managers who are equally accountable for the technical quality of their team's output and the professional growth of every developer…
Added 3 months ago
Senior Automation Engineer
Experity
Chiasson Office, NB
Full-time
We are seeking a highly skilled Senior Quality Engineer to join our engineering organization. This role is responsible for driving quality across the software development lifecycle through…
Added 1 month ago
Senior Software Engineer, Applied AI (Toronto)
Justworks
Toronto, ON
$188,000 to $242,000 CAD / year
We are seeking a Senior Software Engineer with a strong passion for building AI-native systems in a product environment. The ideal candidate will be able to take ownership of large segments…
Added 1 month ago
Software Engineer - Team Lead (Forward Deployed)
Volaris Group
Mississauga, ON · Canada - Mississauga, ON
Full-time
- 7+ years of professional experience in software engineering (Python, TypeScript, Java, .NET, or similar)
Added 1 month ago
Tech Lead Veeva Vault Developer
Appnovation Technologies
Toronto, ON
As a Tech Lead - Veeva Vault Developer, you will play a key role in supporting an integrated digital content management and MLR (Medical, Legal, Regulatory) review ecosystem. In this role,…
Added 9 days ago
Senior Java & AI Remediation Engineer - ITS5
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
Full-time
Working Title: Senior Java & AI Remediation Engineer
Added 3 months ago
Senior Automation Engineer
Tubi
Toronto, Ontario
Full-time
Strong programming skills in JavaScript/TypeScript (preferred), or Python/Java.
Added 12 days ago
Software AI Developer Senior
Intact FC
Toronto, ON
Full-time
Proficient in python language and a good understanding of programming languages such as Java and Bash
Added 1 month ago
Senior Software Developer - Real-Time Processing Platform
Arctic Wolf
Waterloo, ON
$75,000 to $246,000 CAD / year
Full-time
Our mission is simple: End Cyber Risk. We’re looking for a Senior Developer to be part of making that happen.
Added 1 month ago
Senior Technology Manager, Data Delivery
Equitable
Waterloo, ON
The Senior Technology Manager role will manage and direct a cross-functional team that identifies, recommends, develops, implements, and supports IT solutions to enable strategic and…
Added 1 month ago
Senior Solution Architect BI
Pet Valu
Markham, ON
Full-time
A hands-on Senior Architect, Business Intelligence who thrives in a dynamic work environment, this role involves working across the entire BI lifecycle, from source data analysis, Extract…
Added 1 month ago
Senior Software Developer, API Platform
Miovision
Remote, Canada
$150,000 to $170,000 CAD / year
Full-time · Remote
…connects our entire product ecosystem. We are looking for a Senior Software Developer to lead the technical execution of our unified API gateway; the high-speed express lane that powers…
Added 1 month ago
Senior Fullstack Engineer
NimbleRx
Toronto, ON
$195,000 to $228,000 CAD / year
Full-time
As a Senior Full-Stack Engineer, you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies and other…
Added 1 month ago
Senior Backend Engineer
NimbleRx
Toronto, ON
$195,000 to $228,000 CAD / year
Full-time
As a Senior Backend Engineer, you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies and other…
Added 5 months ago
Core Java Developer (contract)
Capgemini
Montreal, Quebec
Contract
We are seeking a highly experienced Senior Java Developer to join the Ops Tech department. In this pivotal role, you will contribute significantly to the successful delivery of the UPE…
Added 3 months ago
DevOps Engineer
LanceSoft, Inc.
Montreal, Quebec
Contract
The Senior DevOps & Python Platform Engineer designs, builds, and operates highly available enterprise content management platforms supporting both Application Enterprise Content Management…
Added 3 months ago
Senior Back End Engineer (Data Platform)
Forma.ai
Toronto, Ontario
$150,000 to $190,000 CAD / year
Full-time
As a Senior Engineer, Data Platform, you are expected to operate with strong ownership and sound technical judgment. This includes identifying risks in the work you own, surfacing edge…
Added 9 days ago
Senior Java Developer (with Python, AWS and Terraform) - Toronto, ON (Hybrid)
Pozent Corporation
Toronto, ON
$65 to $85 USD / hour
Contract
We are seeking a skilled and passionate Senior Software Engineer with strong expertise in Java and AWS to join our technology team. The ideal candidate will have extensive hands-on…
Added 9 days ago
Senior Java Developer - Toronto, ON (Hybrid)
Pozent Corporation
Toronto, ON
Contract
Strong Java experience in enterprise environments, plus 2 years of Python knowledge.
Added 2 months ago
Senior Backend & Infrastructure Engineer
Scispot
Canada
Full-time
We are looking for a senior backend and infrastructure engineer who treats production as a product.
Added 9 days ago
Senior Software Engineer
ecobee
Toronto, ON
Full-time
We also use Java, Python, and JavaScript, and value choosing the right tool for the job.
Added 3 months ago
ead Full Stack Developer (C# / .NET Core / Azure)
Aarorn Technologies Inc
Toronto, Ontario
Contract
At its core, this role requires excellent problem-solving skills and C#/.Net, Java, Python and full stack coding capability. This role will need to effectively communicate, collaborate, and…
Added 16 days ago
Senior Software Engineer / Software Developer (React Native)
PlayStation Global
Waterloo, ON
We are seeking a Senior Software Engineer / Software Developer specializing in React Native and high-performance frontend development for mobile platforms. In this role, you will define the…
Added 1 month ago
Senior Platform Engineer - AI Platforms & Deployment - Landmark
Halliburton
Calgary, AB

Aarorn Technologies Inc

ead Full Stack Developer (C# / .NET Core / Azure)

Toronto, ON, Canada

Job type: Contract
Apply by: Dec 9, 2026
Posting language: English
Posted: Jun 10, 2026

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Original job description

Job Title: Lead Full Stack Developer (C# / .NET Core / Azure)
Location: Toronto, ON (4 days/week on-site – this is not negotiable)
Employment Type: Contract
Rate: $50-52 an hour

Job Description
What is the opportunity?
A Lead Full Stack Developer is responsible for designing, developing and maintaining legacy and "Cloud First" applications written primarily in C# and focused on .Net Core and Azure cloud platform. The group is continuously working to improve our Agile, Engineering, and DevOps practices and this role will be expected to actively participate in these efforts.
At its core, this role requires excellent problem-solving skills and C#/.Net, Java, Python and full stack coding capability. This role will need to effectively communicate, collaborate, and influence engineering and business team members and senior management across many projects and departmental boundaries.
This Engineer is an expert professional with deep expertise or unique industry knowledge who uses in depth skill sets to contribute to development of company objectives and principles and to achieve goals in creative and effective ways.
The candidate solves unique and complex problems that have a broad impact on business and develops both front-end and back-end solutions. Designs, develops, updates/maintains solutions and provides technical guidance to other Team Members of technology.
At this level the main challenge is to identify causes and implement solutions to complex & critical business problems in a multifunctional project, assessing and communicating issues of technological impact on the business.
The colleague in this position would be comfortable with the following activities:

Evaluates application software packages and makes recommendations to senior management
Leads & provides guidance to other colleagues in new product reviews, tests, and pilots
Collects & in-depth analyzes business requirements for large & critical projects
Performs in-depth feasibility studies, translates complex requirements into an appropriate design

What will you do?

Perform complex engineering activities inclusive of performance tuning, monitoring, and deployment
Research, influence and implement vendor dependency to simplify the architecture. Design and build APIs to help make use of large data sets, infrastructure and user experience
Implement, maintain and update CI/CD pipelines on a cloud environment
Collaborate with business partners, architects and other groups to identify complex technical and functional needs of systems based on priority
Collaborate with multiple, enterprise-wide distributed performing teams to deliver new capabilities in business applications
Leverage Gen-AI/AI capabilities such as Claude, CoPilot, others – to generate code, test data generation and automated testing. Demonstrate keen interest in leveraging automation for efficient delivery of engineering capabilities
Provides programming expertise and business analysis skills within broad business area, usually as a senior member of a project team, in analyzing, designing, modifying, and developing business applications
Analyzes and develops logical data/database designs, data models across multiple computing environments
Complies with architectural standards and established methodologies and practices

What do you need to succeed?
Must have:

Minimum of 10+ years in C# (.NET Core), Visual Studio, Apache Web Services, XML, and Restful-API/Kafka & event-driven integration capabilities
10+ years of experience in Design and implementing cloud-based architecture using Azure services like Services Logic Apps, Azure Functions, Azure DevOps, Azure Event Hub, Azure Redis, Cosmos DB, Blob Storage, KeyVault, Azure Repos
Develop and deploy scalable, secure, and efficient cloud-based applications using Azure services. Strong background in REST API, system design and application integration, including data mapping between source and target systems
Knowledge of containerization using Docker and Kubernetes
Experience with various Design Patterns (MVC, MVVM, etc.), SOA and other Architectural concepts. Must have development experience in Azure Integration Services
This engineer will need to be very proficient in managing large sets of data, including excellent proficiency with ANSI-SQL querying structured and unstructured data sources (Snowflake, Oracle, SQL, No-SQL)
Experience with ELK, Dynatrace and other logging capabilities
Experience in React, Elastic Search, Snowflake
Experience leveraging Gen-AI capabilities for code generation, testing, test-automation, and test data generation

Nice-to-have:

Coding experience in Python; including experience with libraries such as Pandas or NumPy for data manipulation and visualization
Certification in Microsoft Azure, such as Azure Developer Associate or Azure Solutions Architect Expert
Familiarity with building and training machine learning models (e.g., regression, classification, clustering) using frameworks like Scikit-learn, TensorFlow, or PyTorch

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More about this job

Responsibilities

The Lead Full Stack Developer is responsible for designing, developing, and maintaining legacy and cloud-first applications primarily in C#. This role involves collaborating with various teams to identify complex technical needs and implementing solutions to critical business problems.

Requirements

Candidates must have a minimum of 10 years of experience in C# and Azure services, along with strong skills in REST API and cloud-based architecture. Proficiency in managing large data sets and familiarity with containerization and various design patterns is also required.

Skills

C#
Dotnet Core
Azure
REST API
Cloud Architecture
Docker
Kubernetes
SQL
No-SQL
Gen-AI
Elastic Search
React
Apache Web Services
Event-Driven Integration
Data Modeling
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

C#
Dotnet Core
Azure
REST API
Cloud Architecture
Docker
Kubernetes
SQL
No-SQL
Gen-AI
Elastic Search
React
Apache Web Services
Event-Driven Integration
Data Modeling
CI/CD
Performance Tuning
Monitoring
APIs
Business Analysis
Agile
DevOps
Software Development
Technical Guidance
Feasibility Studies
Data Mapping
Logging Capabilities
Machine Learning
Python
Pandas

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